Public Module ModComp

    Public Enum CompType
        ''' <summary>
        ''' Mod。
        ''' </summary>
        [Mod]
        ''' <summary>
        ''' 整合包。
        ''' </summary>
        ModPack
        ''' <summary>
        ''' 资源包。
        ''' </summary>
        ResourcePack
    End Enum
    Public Enum CompModLoaderType
        'https://docs.curseforge.com/?http#tocS_ModLoaderType
        Any = 0
        Forge = 1
        Fabric = 4
        Quilt = 5
    End Enum
    <Flags> Public Enum CompSourceType
        CurseForge = 1
        Modrinth = 2
        Any = CurseForge Or Modrinth
    End Enum

#Region "CompDatabase | Mod 数据库"

    Private _CompDatabase As List(Of CompDatabaseEntry) = Nothing
    Private ReadOnly Property CompDatabase As List(Of CompDatabaseEntry)
        Get
            If _CompDatabase IsNot Nothing Then Return _CompDatabase
            '初始化数据库
            _CompDatabase = New List(Of CompDatabaseEntry)
            Dim i As Integer = 0
            For Each Line In DecodeBytes(GetResources("ModData")).Replace(vbCrLf, vbLf).Replace(vbCr, "").Split(vbLf)
                i += 1
                If Line = "" Then Continue For
                For Each EntryData As String In Line.Split("¨")
                    Dim Entry = New CompDatabaseEntry
                    Dim SplitedLine = EntryData.Split("|")
                    If SplitedLine(0).StartsWith("@") Then
                        Entry.CurseForgeSlug = Nothing
                        Entry.ModrinthSlug = SplitedLine(0).Replace("@", "")
                    ElseIf SplitedLine(0).EndsWith("@") Then
                        Entry.CurseForgeSlug = SplitedLine(0).TrimEnd("@")
                        Entry.ModrinthSlug = Entry.CurseForgeSlug
                    ElseIf SplitedLine(0).Contains("@") Then
                        Entry.CurseForgeSlug = SplitedLine(0).Split("@")(0)
                        Entry.ModrinthSlug = SplitedLine(0).Split("@")(1)
                    Else
                        Entry.CurseForgeSlug = SplitedLine(0)
                        Entry.ModrinthSlug = Nothing
                    End If
                    Entry.WikiId = i
                    If SplitedLine.Count >= 2 Then
                        Entry.ChineseName = SplitedLine(1)
                        Entry.MCBBS = If(SplitedLine.Count >= 3, SplitedLine(2), Nothing)
                        If Entry.ChineseName.Contains("*") Then '处理 *
                            Entry.ChineseName = Entry.ChineseName.Replace("*", " (" &
                                String.Join(" ", If(Entry.CurseForgeSlug, Entry.ModrinthSlug).Split("-").Select(Function(w) w.Substring(0, 1).ToUpper & w.Substring(1, w.Length - 1))) & ")")
                        End If
                    End If
                    _CompDatabase.Add(Entry)
                Next
            Next
            Return _CompDatabase
        End Get
    End Property

    Private Class CompDatabaseEntry
        ''' <summary>
        ''' McMod 的对应 ID。
        ''' </summary>
        Public WikiId As Integer
        ''' <summary>
        ''' 中文译名。空字符串代表没有翻译。
        ''' </summary>
        Public ChineseName As String = ""
        ''' <summary>
        ''' MCBBS 发布帖编号（例如 195107）。若为 Nothing 则没有发布帖。
        ''' </summary>
        Public MCBBS As Integer?
        ''' <summary>
        ''' CurseForge Slug（例如 advanced-solar-panels）。
        ''' </summary>
        Public CurseForgeSlug As String = Nothing
        ''' <summary>
        ''' Modrinth Slug（例如 advanced-solar-panels）。
        ''' </summary>
        Public ModrinthSlug As String = Nothing

        Public Overrides Function ToString() As String
            Return If(CurseForgeSlug, "") & "&" & If(ModrinthSlug, "") & "|" & WikiId & "|" & ChineseName & If(MCBBS Is Nothing, "", "|" & MCBBS)
        End Function
    End Class

#End Region

#Region "CompProject | 工程信息"

    '类定义

    Public Class CompProject

        '源信息

        ''' <summary>
        ''' 该工程信息来自 CurseForge 还是 Modrinth。
        ''' </summary>
        Public ReadOnly FromCurseForge As Boolean
        ''' <summary>
        ''' 工程的种类。
        ''' </summary>
        Public ReadOnly Type As CompType
        ''' <summary>
        ''' 工程的短名。例如 technical-enchant。
        ''' </summary>
        Public ReadOnly Slug As String
        ''' <summary>
        ''' CurseForge 工程的数字 ID。Modrinth 工程的乱码 ID。
        ''' </summary>
        Public ReadOnly Id As String
        ''' <summary>
        ''' CurseForge 文件列表的数字 ID。Modrinth 工程的此项无效。
        ''' </summary>
        Public ReadOnly CurseForgeFileIds As List(Of Integer)

        '描述性信息

        ''' <summary>
        ''' 原始的英文名称。
        ''' </summary>
        Public ReadOnly RawName As String
        ''' <summary>
        ''' 英文描述。
        ''' </summary>
        Public ReadOnly Description As String
        ''' <summary>
        ''' 来源网站的工程页面网址。确保格式一定标准。
        ''' CurseForge：https://www.curseforge.com/minecraft/mc-mods/jei
        ''' Modrinth：https://modrinth.com/mod/technical-enchant
        ''' </summary>
        Public ReadOnly Website As String
        ''' <summary>
        ''' 最后一次更新的时间。可能为 Nothing。
        ''' </summary>
        Public ReadOnly LastUpdate As Date? = Nothing
        ''' <summary>
        ''' 下载量计数。注意，该计数仅为一个来源，无法反应两边加起来的下载量！
        ''' </summary>
        Public ReadOnly DownloadCount As Integer
        ''' <summary>
        ''' 支持的 Mod 加载器列表。可能为空。
        ''' </summary>
        Public ReadOnly ModLoaders As List(Of CompModLoaderType)
        ''' <summary>
        ''' 描述性标签的内容。已转换为中文。
        ''' </summary>
        Public ReadOnly Tags As List(Of String)
        ''' <summary>
        ''' Logo 图片的下载地址。若为 Nothing 则没有。
        ''' </summary>
        Public ReadOnly LogoUrl As String = Nothing
        ''' <summary>
        ''' 游戏大版本列表。例如：18, 16, 15……
        ''' </summary>
        Public ReadOnly GameVersions As List(Of Integer)

        '数据库信息

        Private LoadedDatabase As Boolean = False
        Private _DatabaseEntry As CompDatabaseEntry = Nothing
        ''' <summary>
        ''' 关联的数据库条目。若为 Nothing 则没有。
        ''' </summary>
        Private Property DatabaseEntry As CompDatabaseEntry
            Get
                If Not LoadedDatabase Then
                    LoadedDatabase = True
                    _DatabaseEntry = CompDatabase.FirstOrDefault(Function(c) If(FromCurseForge, c.CurseForgeSlug, c.ModrinthSlug) = Slug)
                End If
                Return _DatabaseEntry
            End Get
            Set(value As CompDatabaseEntry)
                LoadedDatabase = True
                _DatabaseEntry = value
            End Set
        End Property
        ''' <summary>
        ''' MC 百科的页面 ID。若为 0 则没有。
        ''' </summary>
        Public ReadOnly Property WikiId As Integer
            Get
                Return If(DatabaseEntry Is Nothing, 0, DatabaseEntry.WikiId)
            End Get
        End Property
        ''' <summary>
        ''' MCBBS 的帖子 ID。若为 0 则没有。
        ''' </summary>
        Public ReadOnly Property MCBBS As Integer
            Get
                Return If(DatabaseEntry Is Nothing, 0, If(DatabaseEntry.MCBBS, 0))
            End Get
        End Property
        ''' <summary>
        ''' 翻译后的中文名。若数据库没有则等同于 RawName。
        ''' </summary>
        Public ReadOnly Property TranslatedName As String
            Get
                Return If(DatabaseEntry Is Nothing OrElse DatabaseEntry.ChineseName = "", RawName, DatabaseEntry.ChineseName)
            End Get
        End Property

        '实例化

        ''' <summary>
        ''' 从工程 Json 中初始化实例。若出错会抛出异常。
        ''' </summary>
        Public Sub New(Data As JObject)
            FromCurseForge = Data.ContainsKey("gameId")
            If FromCurseForge Then
#Region "CurseForge"
                '简单信息
                Id = Data("id")
                Slug = Data("slug")
                RawName = Data("name")
                Description = Data("summary")
                Website = Data("links")("websiteUrl").ToString.TrimEnd("/")
                LastUpdate = Data("dateReleased") '#1194
                DownloadCount = Data("downloadCount")
                'Logo
                If Data("logo").Count > 0 Then
                    If GetPixelSize(1) > 1.25 Then
                        LogoUrl = Data("logo")("thumbnailUrl").ToString '使用 256x256 图标
                    Else
                        LogoUrl = Data("logo")("thumbnailUrl").ToString.Replace("/256/256/", "/64/64/") '使用 64x64 图标
                    End If
                End If
                'FileIndexes / GameVersions
                Dim Files = If(CType(Data("latestFilesIndexes"), JArray), New JArray).
                            Where(Function(i) i("gameVersion").ToString.Contains("1."))
                CurseForgeFileIds = Files.Select(Of Integer)(Function(v) v("fileId")).ToList
                GameVersions = Files.Select(Of Integer)(Function(v) Val(v("gameVersion").ToString.Split(".")(1).Split("-").First)).Where(Function(v) v > 0).
                               Distinct.OrderByDescending(Function(v) v).ToList
                'Type
                If Website.Contains("/mc-mods/") OrElse Website.Contains("/mod/") Then
                    Type = CompType.Mod
                ElseIf Website.Contains("/modpacks/") Then
                    Type = CompType.ModPack
                Else
                    Type = CompType.ResourcePack
                End If
                'Tags
                Tags = New List(Of String)
                For Each Category In Data("categories").Select(Of Integer)(Function(t) t("id")).Distinct.OrderByDescending(Function(c) c)
                    Select Case Category
                        'Mod
                        Case 406 : Tags.Add("世界元素")
                        Case 407 : Tags.Add("生物群系")
                        Case 410 : Tags.Add("维度")
                        Case 408 : Tags.Add("矿物/资源")
                        Case 409 : Tags.Add("天然结构")
                        Case 412 : Tags.Add("科技")
                        Case 415 : Tags.Add("管道/物流")
                        Case 4843 : Tags.Add("自动化")
                        Case 417 : Tags.Add("能源")
                        Case 4558 : Tags.Add("红石")
                        Case 436 : Tags.Add("食物/烹饪")
                        Case 416 : Tags.Add("农业")
                        Case 414 : Tags.Add("运输")
                        Case 420 : Tags.Add("仓储")
                        Case 419 : Tags.Add("魔法")
                        Case 422 : Tags.Add("冒险")
                        Case 424 : Tags.Add("装饰")
                        Case 411 : Tags.Add("生物")
                        Case 434 : Tags.Add("装备")
                        Case 423 : Tags.Add("信息显示")
                        Case 435 : Tags.Add("服务器")
                        Case 5191 : Tags.Add("改良")
                        Case 421 : Tags.Add("支持库")
                        '整合包
                        Case 4484 : Tags.Add("多人")
                        Case 4479 : Tags.Add("硬核")
                        Case 4483 : Tags.Add("战斗")
                        Case 4478 : Tags.Add("任务")
                        Case 4472 : Tags.Add("科技")
                        Case 4473 : Tags.Add("魔法")
                        Case 4475 : Tags.Add("冒险")
                        Case 4476 : Tags.Add("探索")
                        Case 4477 : Tags.Add("小游戏")
                        Case 4471 : Tags.Add("科幻")
                        Case 4736 : Tags.Add("空岛")
                        Case 5128 : Tags.Add("原版改良")
                        Case 4487 : Tags.Add("FTB")
                        Case 4480 : Tags.Add("基于地图")
                        Case 4481 : Tags.Add("轻量")
                        Case 4482 : Tags.Add("大型")
                            'FUTURE: Res
                    End Select
                Next
                If Tags.Count = 0 Then Tags.Add("杂项")
                'ModLoaders
                ModLoaders = New List(Of CompModLoaderType)
                For Each File In If(Data("latestFiles"), {})
                    Dim NewFile As New CompFile(File, Type)
                    If Not NewFile.Available Then Continue For
                    ModLoaders.AddRange(NewFile.ModLoaders)
                Next
                ModLoaders = ModLoaders.Distinct.OrderBy(Of Integer)(Function(t) t).ToList
#End Region
            Else
#Region "Modrinth"
                '简单信息
                Id = If(Data("project_id"), Data("id")) '两个 API 会返回的 key 不一样
                Slug = Data("slug")
                RawName = Data("title")
                Description = Data("description")
                LastUpdate = Data("date_modified")
                DownloadCount = Data("downloads")
                LogoUrl = Data("icon_url")
                If LogoUrl = "" Then LogoUrl = Nothing
                Website = $"https://modrinth.com/{Data("project_type")}/{Slug}"
                'GameVersions
                GameVersions = If(CType(Data("versions"), JArray), New JArray).
                                   Select(Function(v) v.ToString).Where(Function(v) v.StartsWith("1.")).
                                   Select(Of Integer)(Function(v) Val(v.Split(".")(1).Split("-").First)).Where(Function(v) v > 0).
                                   Distinct.OrderByDescending(Function(v) v).ToList
                'Type
                Select Case Data("project_type").ToString
                    Case "mod" : Type = CompType.Mod
                    Case "modpack" : Type = CompType.ModPack
                    Case "resourcepack" : Type = CompType.ResourcePack
                End Select
                'Tags & ModLoaders
                Tags = New List(Of String)
                ModLoaders = New List(Of CompModLoaderType)
                For Each Category In Data("categories").Select(Function(t) t.ToString)
                    Select Case Category
                        '加载器
                        Case "forge" : ModLoaders.Add(CompModLoaderType.Forge)
                        Case "fabric" : ModLoaders.Add(CompModLoaderType.Fabric)
                        Case "quilt" : ModLoaders.Add(CompModLoaderType.Quilt)
                        'Mod
                        Case "worldgen" : Tags.Add("世界元素")
                        Case "technology" : Tags.Add("科技")
                        Case "food" : Tags.Add("食物/烹饪")
                        Case "game-mechanics" : Tags.Add("游戏机制")
                        Case "transportation" : Tags.Add("运输")
                        Case "storage" : Tags.Add("仓储")
                        Case "magic" : Tags.Add("魔法")
                        Case "adventure" : Tags.Add("冒险")
                        Case "decoration" : Tags.Add("装饰")
                        Case "mobs" : Tags.Add("生物")
                        Case "equipment" : Tags.Add("装备")
                        Case "optimization" : Tags.Add("性能优化")
                        Case "social" : Tags.Add("服务器")
                        Case "utility" : Tags.Add("改良")
                        Case "library" : Tags.Add("支持库")
                        '整合包
                        Case "multiplayer" : Tags.Add("多人")
                        Case "optimization" : Tags.Add("性能优化")
                        Case "challenging" : Tags.Add("硬核")
                        Case "combat" : Tags.Add("战斗")
                        Case "quests" : Tags.Add("任务")
                        Case "technology" : Tags.Add("科技")
                        Case "magic" : Tags.Add("魔法")
                        Case "adventure" : Tags.Add("冒险")
                        Case "kitchen-sink" : Tags.Add("烹饪")
                        Case "lightweight" : Tags.Add("轻量")
                            'FUTURE: Res
                    End Select
                Next
                If Tags.Count = 0 Then Tags.Add("杂项")
                ModLoaders.Sort()
#End Region
            End If
            '保存缓存
            CompProjectCache(Id) = Me
        End Sub
        ''' <summary>
        ''' 将当前工程信息实例化为控件。
        ''' </summary>
        Public Function ToCompItem(ShowMcVersionDesc As Boolean, ShowLoaderDesc As Boolean, Optional OnClick As MyCompItem.ClickEventHandler = Nothing) As MyCompItem
            '获取版本描述
            Dim GameVersionDescription As String
            If GameVersions Is Nothing OrElse GameVersions.Count = 0 Then
                GameVersionDescription = "未知"
            Else
                Dim SpaVersions As New List(Of String)
                For i = 0 To GameVersions.Count - 1
                    Dim StartVersion As Integer = GameVersions(i), EndVersion As Integer = GameVersions(i)
                    For ii = i + 1 To GameVersions.Count - 1
                        If GameVersions(ii) = EndVersion - 1 Then
                            EndVersion = GameVersions(ii)
                            i = ii
                        Else
                            Exit For
                        End If
                    Next
                    If StartVersion = EndVersion Then
                        SpaVersions.Add("1." & StartVersion)
                    ElseIf McVersionHighest > -1 AndAlso StartVersion >= McVersionHighest Then
                        SpaVersions.Add("1." & EndVersion & "+")
                    ElseIf EndVersion <= 7 Then
                        SpaVersions.Add("1." & StartVersion & "-")
                        Exit For
                    ElseIf StartVersion - EndVersion = 1 Then
                        SpaVersions.Add("1." & StartVersion & ", 1." & EndVersion)
                    Else
                        SpaVersions.Add("1." & StartVersion & "~1." & EndVersion)
                    End If
                Next
                GameVersionDescription = SpaVersions.Join(", ")
            End If
            '实例化 UI
            Dim NewItem As New MyCompItem With {.Tag = Me}
            '标题
            Dim FinalName As String = TranslatedName.Split(" | ").First.Split(" - ").First.Split("(").First.Split("[").First
            Dim ExNameList As List(Of String) = TranslatedName.Split({" | ", " - ", "(", ")", "[", "]", "{", "}"}, StringSplitOptions.RemoveEmptyEntries).
                Select(Function(s) s.Trim(" /".ToCharArray)).Where(Function(w) Not String.IsNullOrEmpty(w)).ToList
            ExNameList.RemoveAt(0)
            If TranslatedName = RawName AndAlso '没有中文翻译
               Not ExNameList.Any(Function(s) s.Contains("orge") OrElse s.Contains("abric") OrElse s.Contains("uilt")) AndAlso '不是标注 XX 版
               Not (ExNameList.Count = 1 AndAlso ExNameList.First.ToUpper <> ExNameList.First) Then '不是缩写
                FinalName = RawName '使用原名
                ExNameList.Clear()
            End If
            NewItem.LabTitle.Text = FinalName
            If ExNameList.Count = 0 Then
NoExName:
                CType(NewItem.LabTitleRaw.Parent, StackPanel).Children.Remove(NewItem.LabTitleRaw)
            Else
                Dim ExName As String = ""
                For Each Ex In ExNameList
                    '去除 “Forge/Fabric” 这一无意义提示
                    If Ex.Length < 19 AndAlso Ex.ToLower.Contains("fabric") AndAlso Ex.ToLower.Contains("forge") Then Continue For
                    '将 “Forge” 等提示改为 “Forge 版”
                    If (Ex.ToLower.Contains("forge") OrElse Ex.ToLower.Contains("fabric") OrElse Ex.ToLower.Contains("quilt")) AndAlso
                       Not Ex.Contains("版") AndAlso Ex.Length < 19 Then Ex = Ex.Replace("Edition", "").Trim & " 版"
                    ExName &= "  |  " & Ex.Trim
                Next
                If ExName = "" Then GoTo NoExName
                NewItem.LabTitleRaw.Text = ExName
            End If
            'Tag
            For Each TagText In Tags
                Dim NewTag = GetObjectFromXML(
                "<Border xmlns=""http://schemas.microsoft.com/winfx/2006/xaml/presentation""
                         Background=""#11000000"" Padding=""3,1"" CornerRadius=""3"" Margin=""0,0,3,0"" 
                         SnapsToDevicePixels=""True"" UseLayoutRounding=""False"">
                   <TextBlock Text=""" & TagText & """ Foreground=""#868686"" FontSize=""11"" />
                </Border>")
                NewItem.PanTags.Children.Add(NewTag)
            Next
            '下边栏
            If Not ShowMcVersionDesc AndAlso Not ShowLoaderDesc Then
                '全部隐藏
                CType(NewItem.PathVersion.Parent, Grid).Children.Remove(NewItem.PathVersion)
                CType(NewItem.LabVersion.Parent, Grid).Children.Remove(NewItem.LabVersion)
                NewItem.ColumnVersion1.Width = New GridLength(0)
                NewItem.ColumnVersion2.MaxWidth = 0
                NewItem.ColumnVersion3.Width = New GridLength(0)
            ElseIf ShowMcVersionDesc AndAlso ShowMcVersionDesc Then
                '全部显示
                Dim ModLoaderDesc As String = If(ModLoaders.Count > 0 AndAlso ModLoaders.Count < 3 AndAlso
                        Not (Type = CompType.Mod AndAlso Setup.Get("ToolDownloadIgnoreQuilt") AndAlso ModLoaders.Contains(CompModLoaderType.Forge) AndAlso ModLoaders.Contains(CompModLoaderType.Fabric)),
                        ModLoaders.Join(" / ") & " ", "")
                Dim VersionDesc As String = If(GameVersionDescription = "1.7+", "全版本", GameVersionDescription)
                NewItem.LabVersion.Text = ModLoaderDesc & VersionDesc
            ElseIf ShowMcVersionDesc Then
                '仅显示版本
                NewItem.LabVersion.Text = If(GameVersionDescription = "1.7+", "全版本", GameVersionDescription)
            Else
                '仅显示 Mod 加载器
                Select Case ModLoaders.Count
                    Case 0
                        NewItem.LabVersion.Text = "未知"
                    Case 1
                        NewItem.LabVersion.Text = If(Type = CompType.Mod, "仅 ", "") & ModLoaders(0).ToString
                    Case 2
                        If Type = CompType.Mod Then
                            NewItem.LabVersion.Text =
                                If(Not (Setup.Get("ToolDownloadIgnoreQuilt") AndAlso
                                ModLoaders.Contains(CompModLoaderType.Forge) AndAlso ModLoaders.Contains(CompModLoaderType.Fabric)),
                                ModLoaders.Join(" / "), "任意")
                        Else
                            NewItem.LabVersion.Text = ModLoaders.Join(" / ")
                        End If
                    Case 3
                        If Type = CompType.Mod Then
                            NewItem.LabVersion.Text = "任意"
                        Else
                            NewItem.LabVersion.Text = ModLoaders.Join(" / ")
                        End If
                End Select
            End If
            NewItem.LabInfo.Text = Description.Replace(vbCr, "").Replace(vbLf, "")
            NewItem.LabSource.Text = If(FromCurseForge, "CurseForge", "Modrinth")
            If LastUpdate IsNot Nothing Then
                NewItem.LabTime.Text = GetTimeSpanString(LastUpdate - Date.Now, True)
            Else
                NewItem.LabTime.Visibility = Visibility.Collapsed
                NewItem.ColumnTime1.Width = New GridLength(0)
                NewItem.ColumnTime2.Width = New GridLength(0)
                NewItem.ColumnTime3.Width = New GridLength(0)
            End If
            NewItem.LabDownload.Text =
                If(DownloadCount > 100000000, Math.Round(DownloadCount / 100000000, 2) & " 亿",
                    If(DownloadCount > 100000, Math.Floor(DownloadCount / 10000) & " 万", DownloadCount))
            '其他
            If LogoUrl Is Nothing Then
                NewItem.Logo = "pack://application:,,,/images/Icons/NoIcon.png"
            Else
                NewItem.Logo = LogoUrl
            End If
            If OnClick IsNot Nothing Then
                AddHandler NewItem.Click, OnClick
                NewItem.HasAnimation = True
            Else
                NewItem.HasAnimation = False
            End If
            Return NewItem
        End Function

        '辅助函数

        ''' <summary>
        ''' 检查是否与某个 Project 是相同的工程，只是在不同的网站。
        ''' </summary>
        Public Function IsLike(Project As CompProject) As Boolean
            If Id = Project.Id Then Return True '相同实例
            '提取字符串中的字母和数字
            Dim GetRaw =
                Function(Data As String) As String
                    Dim Result As New StringBuilder()
                    For Each r As Char In Data.Where(Function(c) Char.IsLetterOrDigit(c))
                        Result.Append(r)
                    Next
                    Return Result.ToString.ToLower
                End Function
            '来自不同的网站
            If FromCurseForge = Project.FromCurseForge Then Return False
            'Mod 加载器一致
            If ModLoaders.Count <> Project.ModLoaders.Count OrElse ModLoaders.Except(Project.ModLoaders).Count > 0 Then Return False
            'MC 版本一致
            If GameVersions.Count <> Project.GameVersions.Count OrElse GameVersions.Except(Project.GameVersions).Count > 0 Then Return False
            'MCMOD 翻译名 / 原名 / 描述文本 / Slug 的英文部分相同
            If TranslatedName = Project.TranslatedName OrElse
               RawName = Project.RawName OrElse Description = Project.Description OrElse
               GetRaw(Slug) = GetRaw(Project.Slug) Then
                Log($"[Comp] 将 {RawName} ({Slug}) 与 {Project.RawName} ({Project.Slug}) 认定为相似工程")
                '如果只有一个有 DatabaseEntry，设置给另外一个
                If DatabaseEntry Is Nothing AndAlso Project.DatabaseEntry IsNot Nothing Then DatabaseEntry = Project.DatabaseEntry
                If DatabaseEntry IsNot Nothing AndAlso Project.DatabaseEntry Is Nothing Then Project.DatabaseEntry = DatabaseEntry
                Return True
            End If
            Return False
        End Function

        Public Overrides Function ToString() As String
            Return $"{Id} ({Slug}): {RawName}"
        End Function
        Public Overrides Function Equals(obj As Object) As Boolean
            Dim project = TryCast(obj, CompProject)
            Return project IsNot Nothing AndAlso Id = project.Id
        End Function
        Public Shared Operator =(left As CompProject, right As CompProject) As Boolean
            Return EqualityComparer(Of CompProject).Default.Equals(left, right)
        End Operator
        Public Shared Operator <>(left As CompProject, right As CompProject) As Boolean
            Return Not left = right
        End Operator

    End Class

    '输入与输出

    Public Class CompProjectRequest

        '结果要求

        ''' <summary>
        ''' 加载后应输出到的结果存储器。
        ''' </summary>
        Public Storage As CompProjectStorage
        ''' <summary>
        ''' 应当尽量达成的结果数量。
        ''' </summary>
        Public TargetResultCount As Integer
        ''' <summary>
        ''' 根据加载位置记录，是否还可以继续获取内容。
        ''' </summary>
        Public ReadOnly Property CanContinue As Boolean
            Get
                If Tag.StartsWith("/") Then Storage.CurseForgeTotal = 0
                If Tag.EndsWith("/") Then Storage.ModrinthTotal = 0
                If Storage.CurseForgeTotal = -1 OrElse Storage.ModrinthTotal = -1 Then Return True
                Return Storage.CurseForgeOffset < Storage.CurseForgeTotal OrElse Storage.ModrinthOffset < Storage.ModrinthTotal
            End Get
        End Property

        '输入内容

        ''' <summary>
        ''' 筛选资源种类。
        ''' </summary>
        Public Type As CompType
        ''' <summary>
        ''' 筛选资源标签。空字符串代表不限制。格式例如 "406/worldgen"，分别是 CurseForge 和 Modrinth 的 ID。
        ''' </summary>
        Public Tag As String = ""
        ''' <summary>
        ''' 筛选 Mod 加载器类别。
        ''' </summary>
        Public ModLoader As CompModLoaderType = CompModLoaderType.Any
        ''' <summary>
        ''' 筛选 MC 版本。
        ''' </summary>
        Public GameVersion As String = Nothing
        ''' <summary>
        ''' 搜索的文本内容。
        ''' </summary>
        Public SearchText As String = Nothing
        ''' <summary>
        ''' 允许的来源。
        ''' </summary>
        Public Source As CompSourceType = CompSourceType.Any
        ''' <summary>
        ''' 构造函数。
        ''' </summary>
        Public Sub New(Type As CompType, Storage As CompProjectStorage, TargetResultCount As Integer)
            Me.Type = Type
            Me.Storage = Storage
            Me.TargetResultCount = TargetResultCount
        End Sub

        '构造请求

        ''' <summary>
        ''' 获取对应的 CurseForge API 请求链接。若返回 Nothing 则为不进行 CurseForge 请求。
        ''' </summary>
        Public Function GetCurseForgeAddress() As String
            If Not Source.HasFlag(CompSourceType.CurseForge) Then Return Nothing
            If Tag.StartsWith("/") Then Storage.CurseForgeTotal = 0
            If Storage.CurseForgeTotal > -1 AndAlso Storage.CurseForgeTotal <= Storage.CurseForgeOffset Then Return Nothing
            '应用筛选参数
            Dim Address As String = $"https://api.curseforge.com/v1/mods/search?gameId=432&sortField=2&sortOrder=desc&pageSize={CompPageSize}"
            Select Case Type
                Case CompType.Mod
                    Address += "&classId=6"
                Case CompType.ModPack
                    Address += "&classId=4471"
                Case CompType.ResourcePack
                    'FUTURE: Res
            End Select
            Address += "&categoryId=" & If(Tag = "", "0", Tag.Split("/").First)
            If ModLoader <> CompModLoaderType.Any Then Address += "&modLoaderType=" & CType(ModLoader, Integer)
            If Not String.IsNullOrEmpty(GameVersion) Then Address += "&gameVersion=" & GameVersion
            If Not String.IsNullOrEmpty(SearchText) Then Address += "&searchFilter=" & Net.WebUtility.UrlEncode(SearchText)
            If Storage.CurseForgeOffset > 0 Then Address += "&index=" & Storage.CurseForgeOffset
            Return Address
        End Function
        ''' <summary>
        ''' 获取对应的 Modrinth API 请求链接。若返回 Nothing 则为不进行 Modrinth 请求。
        ''' </summary>
        Public Function GetModrinthAddress() As String
            If Not Source.HasFlag(CompSourceType.Modrinth) Then Return Nothing
            If Tag.EndsWith("/") Then Storage.ModrinthTotal = 0
            If Storage.ModrinthTotal > -1 AndAlso Storage.ModrinthTotal <= Storage.ModrinthOffset Then Return Nothing
            '应用筛选参数
            Dim Address As String = $"https://api.modrinth.com/v2/search?limit={CompPageSize}&index=relevance"
            If Not String.IsNullOrEmpty(SearchText) Then Address += "&query=" & Net.WebUtility.UrlEncode(SearchText)
            If Storage.ModrinthOffset > 0 Then Address += "&offset=" & Storage.ModrinthOffset
            'facets=[["categories:'game-mechanics'"],["categories:'forge'"],["versions:1.19.3"],["project_type:mod"]]
            Dim Facets As New List(Of String)
            Facets.Add($"[""project_type:{GetStringFromEnum(Type).ToLower}""]")
            If Not String.IsNullOrEmpty(Tag) Then Facets.Add($"[""categories:'{Tag.Split("/").Last}'""]")
            If ModLoader <> CompModLoaderType.Any Then Facets.Add($"[""categories:'{GetStringFromEnum(ModLoader).ToLower}'""]")
            If Not String.IsNullOrEmpty(GameVersion) Then Facets.Add($"[""versions:'{GameVersion}'""]")
            Address += "&facets=[" & String.Join(",", Facets) & "]"
            Return Address
        End Function

        '相同判断
        Public Overrides Function Equals(obj As Object) As Boolean
            Dim request = TryCast(obj, CompProjectRequest)
            Return request IsNot Nothing AndAlso
                Type = request.Type AndAlso TargetResultCount = request.TargetResultCount AndAlso
                Tag = request.Tag AndAlso ModLoader = request.ModLoader AndAlso Source = request.Source AndAlso
                GameVersion = request.GameVersion AndAlso SearchText = request.SearchText
        End Function
        Public Shared Operator =(left As CompProjectRequest, right As CompProjectRequest) As Boolean
            Return EqualityComparer(Of CompProjectRequest).Default.Equals(left, right)
        End Operator
        Public Shared Operator <>(left As CompProjectRequest, right As CompProjectRequest) As Boolean
            Return Not left = right
        End Operator

    End Class
    Public Class CompProjectStorage

        '加载位置记录

        Public CurseForgeOffset As Integer = 0
        Public CurseForgeTotal As Integer = -1

        Public ModrinthOffset As Integer = 0
        Public ModrinthTotal As Integer = -1

        '结果列表

        ''' <summary>
        ''' 可供展示的所有工程的列表。
        ''' </summary>
        Public Results As New List(Of CompProject)

    End Class

    '实际的获取

    Private Const CompPageSize = 40
    ''' <summary>
    ''' 已知工程信息的缓存。
    ''' </summary>
    Private CompProjectCache As New Dictionary(Of String, CompProject)
    ''' <summary>
    ''' 根据搜索请求获取一系列的工程列表。需要基于加载器运行。
    ''' </summary>
    Public Sub CompProjectsGet(Task As LoaderTask(Of CompProjectRequest, Integer))
        Dim Storage = Task.Input.Storage '避免多线程问题

        If Task.Input.Storage.Results.Count >= Task.Input.TargetResultCount Then
            Log($"[Comp] 已有 {Task.Input.Storage.Results.Count} 个结果，多于所需的 {Task.Input.TargetResultCount} 个结果，结束处理")
            Exit Sub
        ElseIf Not Task.Input.CanContinue Then
            If Task.Input.Storage.Results.Count = 0 Then
                Throw New Exception("没有符合条件的结果")
            Else
                Log($"[Comp] 已有 {Task.Input.Storage.Results.Count} 个结果，少于所需的 {Task.Input.TargetResultCount} 个结果，但无法继续获取，结束处理")
                Exit Sub
            End If
        End If

#Region "拒绝 1.13- Quilt（这个版本根本没有 Quilt）"

        If Task.Input.ModLoader = CompModLoaderType.Quilt AndAlso VersionSortInteger(If(Task.Input.GameVersion, "1.15"), "1.14") = -1 Then
            Throw New Exception("Quilt 不支持 Minecraft " & Task.Input.GameVersion)
        End If

#End Region

#Region "处理搜索文本，赋值回 Task.Input.SearchText"

        Dim RawFilter As String = If(Task.Input.SearchText, "").Trim
        Task.Input.SearchText = RawFilter
        RawFilter = RawFilter.ToLower
        Log("[Comp] 工程列表搜索原始文本：" & RawFilter)

        '中文请求关键字处理
        Dim IsChineseSearch As Boolean = RegexCheck(RawFilter, "[\u4e00-\u9fbb]") AndAlso Not String.IsNullOrEmpty(RawFilter)
        If IsChineseSearch AndAlso Task.Input.Type = CompType.Mod Then
            '构造搜索请求
            Dim SearchEntries As New List(Of SearchEntry(Of CompDatabaseEntry))
            For Each Entry In CompDatabase
                If Entry.ChineseName.Contains("动态的树") Then Continue For '这玩意儿附属太多了
                SearchEntries.Add(New SearchEntry(Of CompDatabaseEntry) With {
                    .Item = Entry,
                    .SearchSource = New List(Of KeyValuePair(Of String, Double)) From {
                        New KeyValuePair(Of String, Double)(Entry.ChineseName & If(Entry.CurseForgeSlug, "") & If(Entry.ModrinthSlug, ""), 1)
                    }
                })
            Next
            '获取搜索结果
            Dim SearchResults = Search(SearchEntries, Task.Input.SearchText, 3)
            If SearchResults.Count = 0 Then Throw New Exception("无搜索结果，请尝试搜索英文名称")
            Dim SearchResult As String = ""
            For i = 0 To Math.Min(4, SearchResults.Count - 1) '就算全是准确的，也最多只要 5 个
                If Not SearchResults(i).AbsoluteRight AndAlso i >= Math.Min(2, SearchResults.Count - 1) Then Exit For '把 3 个结果拼合以提高准确度
                If SearchResults(i).Item.CurseForgeSlug IsNot Nothing Then SearchResult += SearchResults(i).Item.CurseForgeSlug.Replace("-", " ") & " "
                If SearchResults(i).Item.ModrinthSlug IsNot Nothing Then SearchResult += SearchResults(i).Item.ModrinthSlug.Replace("-", " ") & " "
                SearchResult += SearchResults(i).Item.ChineseName.Split(" (").Last.TrimEnd(") ").Split(" - ").First.
                    Replace(":", "").Replace("(", "").Replace(")", "").ToLower & " "
            Next
            Log("[Comp] 中文搜索原始关键词：" & SearchResult, LogLevel.Developer)
            '去除常见连接词
            Dim RealFilter As String = ""
            For Each Word In SearchResult.Split(" ")
                If {"the", "of", "a", "mod"}.Contains(Word.ToLower) OrElse Val(Word) > 0 Then Continue For
                If SearchResult.Split(" ").Count > 3 AndAlso {"ftb"}.Contains(Word.ToLower) Then Continue For
                RealFilter += Word.TrimStart("{[(").TrimEnd("}])") & " "
            Next
            Task.Input.SearchText = RealFilter
            Log("[Comp] 中文搜索最终关键词：" & RealFilter, LogLevel.Developer)
        End If

        '驼峰英文请求关键字处理
        Dim SpacedKeywords = RegexReplace(Task.Input.SearchText, "$& ", "([A-Z]+|[a-z]+?)(?=[A-Z]+[a-z]+[a-z ]*)")
        Dim ConnectedKeywords = Task.Input.SearchText.Replace(" ", "")
        Dim AllPossibleKeywords = (SpacedKeywords & " " & If(IsChineseSearch, Task.Input.SearchText, ConnectedKeywords & " " & RawFilter)).ToLower

        '最终处理关键字：分割、去重
        Dim RightKeywords As New List(Of String)
        For Each Keyword In AllPossibleKeywords.Split(" ")
            If Keyword.Trim = "" Then Continue For
            If {"forge", "fabric", "for", "mod",
                "forge/fabric", "fabric/forge", "fabric/quilt", "quilt/fabric"}.Contains(Keyword) Then '#208
                Log("[Comp] 已跳过搜索关键词：" & Keyword)
                Continue For
            End If
            RightKeywords.Add(Keyword)
        Next
        If RawFilter.Length > 0 AndAlso RightKeywords.Count = 0 Then
            Task.Input.SearchText = RawFilter '全都被过滤掉了
        Else
            Task.Input.SearchText = Join(RightKeywords.Distinct.ToList, " ").ToLower
        End If

        '例外项：OptiForge、OptiFabric（拆词后因为包含 Forge/Fabric 导致无法搜到实际的 Mod）
        If RawFilter.Replace(" ", "").ToLower.Contains("optiforge") Then Task.Input.SearchText = "optiforge"
        If RawFilter.Replace(" ", "").ToLower.Contains("optifabric") Then Task.Input.SearchText = "optifabric"
        Log("[Comp] 工程列表搜索最终文本：" & Task.Input.SearchText, LogLevel.Developer)
        Task.Progress = 0.1

#End Region

        Dim RealResults As New List(Of CompProject)
Retry:
        Dim RawResults As New List(Of CompProject)
        Dim [Error] As Exception = Nothing

#Region "从 CurseForge 和 Modrinth 获取结果列表，存储于 RawResults"

        Dim CurseForgeThread As Thread = Nothing
        Dim ModrinthThread As Thread = Nothing
        Dim ResultsLock As New Object

        Try

            '启动 CurseForge 线程
            Dim CurseForgeUrl As String = Task.Input.GetCurseForgeAddress()
            If CurseForgeUrl IsNot Nothing Then
                CurseForgeThread = RunInNewThread(
                    Sub()
                        Try
                            '获取工程列表
                            Log("[Comp] 开始从 CurseForge 获取工程列表：" & CurseForgeUrl)
                            Dim RequestResult As JObject = NetGetCodeByRequestRetry(CurseForgeUrl, IsJson:=True, Encode:=Encoding.UTF8)
                            Task.Progress += 0.2
                            Dim ProjectList As New List(Of CompProject)
                            For Each JsonEntry As JObject In RequestResult("data")
                                ProjectList.Add(New CompProject(JsonEntry))
                            Next
                            '更新结果
                            SyncLock ResultsLock
                                RawResults.AddRange(ProjectList)
                            End SyncLock
                            Storage.CurseForgeOffset += ProjectList.Count
                            Storage.CurseForgeTotal = RequestResult("pagination")("totalCount").ToObject(Of Integer)
                            Log($"[Comp] 从 CurseForge 获取到了 {ProjectList.Count} 个工程（已获取 {Storage.CurseForgeOffset} 个，共 {Storage.CurseForgeTotal} 个）")
                        Catch ex As Exception
                            Log(ex, "从 CurseForge 获取工程列表失败")
                            Storage.CurseForgeTotal = Storage.CurseForgeOffset
                            [Error] = ex
                        End Try
                    End Sub, "CurseForge Project Request")
            End If

            '启动 Modrinth 线程
            Dim ModrinthUrl As String = Task.Input.GetModrinthAddress()
            If ModrinthUrl IsNot Nothing Then
                ModrinthThread = RunInNewThread(
                    Sub()
                        Try
                            Log("[Comp] 开始从 Modrinth 获取工程列表：" & ModrinthUrl)
                            Dim RequestResult As JObject = NetGetCodeByRequestRetry(ModrinthUrl, IsJson:=True, Encode:=Encoding.UTF8)
                            Task.Progress += 0.2
                            Dim ProjectList As New List(Of CompProject)
                            For Each JsonEntry As JObject In RequestResult("hits")
                                ProjectList.Add(New CompProject(JsonEntry))
                            Next
                            '更新结果
                            SyncLock ResultsLock
                                RawResults.AddRange(ProjectList)
                            End SyncLock
                            Storage.ModrinthOffset += ProjectList.Count
                            Storage.ModrinthTotal = RequestResult("total_hits").ToObject(Of Integer)
                            Log($"[Comp] 从 Modrinth 获取到了 {ProjectList.Count} 个工程（已获取 {Storage.ModrinthOffset} 个，共 {Storage.ModrinthTotal} 个）")
                        Catch ex As Exception
                            Log(ex, "从 Modrinth 获取工程列表失败")
                            Storage.ModrinthTotal = Storage.ModrinthOffset
                            [Error] = ex
                        End Try
                    End Sub, "Modrinth Project Request")
            End If

            '等待线程结束
            If CurseForgeThread IsNot Nothing Then CurseForgeThread.Join()
            If Task.IsAborted Then Exit Sub '会自动触发 Finally
            If ModrinthThread IsNot Nothing Then ModrinthThread.Join()
            If Task.IsAborted Then Exit Sub

            '确认存在结果
            If RawResults.Count = 0 Then
                If [Error] IsNot Nothing Then
                    Throw [Error]
                Else
                    If IsChineseSearch AndAlso Task.Input.Type <> CompType.Mod Then
                        Throw New Exception($"{If(Task.Input.Type = CompType.ModPack, "整合包", "资源包")}搜索仅支持英文")
                    ElseIf Task.Input.Source = CompSourceType.CurseForge AndAlso Task.Input.Tag.StartsWith("/") Then
                        Throw New Exception("CurseForge 不兼容所选的类型")
                    ElseIf Task.Input.Source = CompSourceType.Modrinth AndAlso Task.Input.Tag.EndsWith("/") Then
                        Throw New Exception("Modrinth 不兼容所选的类型")
                    Else
                        Throw New Exception("没有符合条件的结果")
                    End If
                End If
            End If

        Finally
            If CurseForgeThread IsNot Nothing Then CurseForgeThread.Interrupt()
            If ModrinthThread IsNot Nothing Then ModrinthThread.Interrupt()
        End Try

#End Region

#Region "提取非重复项，存储于 RealResults"

        '将 Modrinth 排在 CurseForge 的前面，避免加载结束顺序不同导致排名不同
        '这样做的话，去重后将优先保留 CurseForge 内容（考虑到 CurseForge 热度更高）
        RawResults = RawResults.Where(Function(x) Not x.FromCurseForge).Concat(RawResults.Where(Function(x) x.FromCurseForge)).ToList
        'RawResults 去重
        RawResults = Distinct(RawResults, Function(a, b) a.IsLike(b))
        '已有内容去重
        RawResults = RawResults.Where(Function(r) Not RealResults.Any(Function(b) r.IsLike(b)) AndAlso
                                                  Not Storage.Results.Any(Function(b) r.IsLike(b))).ToList
        '加入列表
        RealResults.AddRange(RawResults)
        Log($"[Comp] 去重后累计新增结果 {RealResults.Count} 个")

#End Region

#Region "检查结果数量，如果不足且可继续，会继续加载下一页"

        If RealResults.Count + Storage.Results.Count < Task.Input.TargetResultCount Then
            Log($"[Comp] 总结果数需求最少 {Task.Input.TargetResultCount} 个，仅获得了 {RealResults.Count + Storage.Results.Count} 个")
            If Task.Input.CanContinue Then
                Log("[Comp] 将继续尝试加载下一页")
                GoTo Retry
            Else
                Log("[Comp] 无法继续加载，将强制结束")
            End If
        End If

#End Region

#Region "将结果排序并添加"

        Dim Scores As New Dictionary(Of CompProject, Double) '排序分
        If String.IsNullOrEmpty(Task.Input.SearchText) Then
            '如果没有搜索文本，按下载量将结果排序
            For Each Result As CompProject In RealResults
                Scores.Add(Result, Result.DownloadCount * If(Result.FromCurseForge, 1, 30))
            Next
        Else
            '如果有搜索文本，按关联度将结果排序
            '排序分 = 搜索相对相似度 (1) + 下载量权重 (对数，10 亿时为 1) + 有中文名 (0.2)
            Dim Entry As New List(Of SearchEntry(Of CompProject))
            For Each Result As CompProject In RealResults
                Scores.Add(Result, If(Result.WikiId > 0, 0.2, 0) +
                           Math.Log10(Math.Max(Result.DownloadCount, 1) * If(Result.FromCurseForge, 1, 30)) / 9)
                Entry.Add(New SearchEntry(Of CompProject) With {.Item = Result, .SearchSource = New List(Of KeyValuePair(Of String, Double)) From {
                          New KeyValuePair(Of String, Double)(If(IsChineseSearch, Result.TranslatedName, Result.RawName), 1),
                          New KeyValuePair(Of String, Double)(Result.Description, 0.05)}})
            Next
            Dim SearchResult = Search(Entry, RawFilter, 101, -1)
            For Each OneResult In SearchResult
                Scores(OneResult.Item) += OneResult.Similarity / SearchResult(0).Similarity '最高 1 分的相似度分
            Next
        End If
        '根据排序分得出结果并添加
        Storage.Results.AddRange(
            Sort(Scores.ToList, Function(a, b) a.Value > b.Value).Select(Function(r) r.Key).ToList)

#End Region

    End Sub

#End Region

#Region "CompFile | 文件信息"

    '类定义

    Public Enum CompFileStatus
        Release = 1 '枚举值来源：https://docs.curseforge.com/#tocS_FileReleaseType
        Beta = 2
        Alpha = 3
    End Enum
    Public Class CompFile

        '源信息

        ''' <summary>
        ''' 文件的种类。
        ''' </summary>
        Public ReadOnly Type As CompType
        ''' <summary>
        ''' 该文件来自 CurseForge 还是 Modrinth。
        ''' </summary>
        Public ReadOnly FromCurseForge As Boolean
        ''' <summary>
        ''' 用于唯一性鉴别该文件的 ID。CurseForge 中为 123456 的大整数，Modrinth 中为英文乱码的 Version 字段。
        ''' </summary>
        Public ReadOnly Id As String

        '描述性信息

        ''' <summary>
        ''' 文件描述名（并非文件名，是自定义的字段）。
        ''' </summary>
        Public DisplayName As String
        ''' <summary>
        ''' 发布时间。
        ''' </summary>
        Public ReadOnly ReleaseDate As Date
        ''' <summary>
        ''' 下载量计数。注意，该计数仅为一个来源，无法反应两边加起来的下载量，且 CurseForge 可能错误地返回 0。
        ''' </summary>
        Public ReadOnly DownloadCount As Integer
        ''' <summary>
        ''' 支持的 Mod 加载器列表。可能为空。
        ''' </summary>
        Public ReadOnly ModLoaders As List(Of CompModLoaderType)
        ''' <summary>
        ''' 支持的游戏版本列表。类型包括："1.18.5"，"1.18"，"1.18 快照"，"21w15a"，"未知版本"。
        ''' </summary>
        Public ReadOnly GameVersions As List(Of String)
        ''' <summary>
        ''' 发布状态：Release/Beta/Alpha。
        ''' </summary>
        Public ReadOnly Status As CompFileStatus
        ''' <summary>
        ''' 发布状态的友好描述。例如："正式版"，"Beta 版"。
        ''' </summary>
        Public ReadOnly Property StatusDescription As String
            Get
                Select Case Status
                    Case CompFileStatus.Release
                        Return "正式版"
                    Case CompFileStatus.Beta
                        Return If(ModeDebug, "Beta 版", "测试版")
                    Case Else
                        Return If(ModeDebug, "Alpha 版", "测试版")
                End Select
            End Get
        End Property

        '下载信息
        ''' <summary>
        ''' 下载信息是否可用。
        ''' </summary>
        Public ReadOnly Property Available As Boolean
            Get
                Return FileName IsNot Nothing
            End Get
        End Property
        ''' <summary>
        ''' 下载的文件名。
        ''' </summary>
        Public ReadOnly FileName As String = Nothing
        ''' <summary>
        ''' 文件所有可能的下载源。
        ''' </summary>
        Private ReadOnly DownloadAddress As String()
        ''' <summary>
        ''' 该文件的所有依赖工程的原始 ID。
        ''' 这些 ID 可能没有加载，在加载后会添加到 Dependencies 中（主要是因为 Modrinth 返回的是字符串 ID 而非 Slug，导致 Project.Id 查询不到）。
        ''' </summary>
        Public ReadOnly RawDependencies As New List(Of String)
        ''' <summary>
        ''' 该文件的所有依赖工程的 Project.Id。
        ''' </summary>
        Public ReadOnly Dependencies As New List(Of String)
        ''' <summary>
        ''' 获取下载信息。
        ''' </summary>
        ''' <param name="LocalAddress">目标本地文件夹，或完整的文件路径。会自动判断类型。</param>
        Public Function ToNetFile(LocalAddress As String) As NetFile
            Return New NetFile(DownloadAddress, LocalAddress & If(LocalAddress.EndsWith("\"), FileName, ""))
        End Function

        '实例化

        ''' <summary>
        ''' 从文件 Json 中初始化实例。若出错会抛出异常。
        ''' </summary>
        Public Sub New(Data As JObject, Type As CompType)
            Me.Type = Type
            FromCurseForge = Data.ContainsKey("gameId")
            If FromCurseForge Then
#Region "CurseForge"
                '简单信息
                Id = Data("id")
                DisplayName = Data("displayName").ToString.Replace("	", "").Trim(" ")
                ReleaseDate = Data("fileDate")
                Status = CType(Data("releaseType").ToObject(Of Integer), CompFileStatus)
                DownloadCount = Data("downloadCount")
                FileName = Data("fileName")
                'DownloadAddress
                Dim Url = Data("downloadUrl").ToString
                If Url = "" Then Url = "https://media.forgecdn.net/files/" & Id.ToString.Substring(0, 4) & "/" & Id.ToString.Substring(4).TrimStart("0") & "/" & FileName
                Url = Url.Replace(FileName, Net.WebUtility.UrlEncode(FileName)) '对文件名进行编码
                DownloadAddress = {Url.Replace("-service.overwolf.wtf", ".forgecdn.net").Replace("://edge", "://media"),
                                   Url.Replace("-service.overwolf.wtf", ".forgecdn.net"),
                                   Url.Replace("://edge", "://media"),
                                   Url}.Distinct.ToArray
                'Dependencies
                If Type = CompType.Mod Then
                    RawDependencies = Data("dependencies").
                        Where(Function(d) d("relationType").ToObject(Of Integer) = 3 AndAlso '种类为依赖
                                          d("modId").ToObject(Of Integer) <> 306612 AndAlso d("modId").ToObject(Of Integer) <> 634179). '排除 Fabric API 和 Quilt API
                        Select(Function(d) d("modId").ToString).ToList
                End If
                'GameVersions
                Dim RawVersions As List(Of String) = Data("gameVersions").Select(Function(t) t.ToString.Trim.ToLower).ToList
                GameVersions = RawVersions.Where(Function(v) v.StartsWith("1.")).Select(Function(v) v.Replace("-snapshot", " 快照")).ToList
                If GameVersions.Count > 1 Then
                    GameVersions = Sort(GameVersions, AddressOf VersionSortBoolean).ToList
                    If Type = CompType.ModPack Then GameVersions = New List(Of String) From {GameVersions(0)}
                ElseIf GameVersions.Count = 1 Then
                    GameVersions = GameVersions.ToList
                Else
                    GameVersions = New List(Of String) From {"未知版本"}
                End If
                'ModLoaders
                ModLoaders = New List(Of CompModLoaderType)
                If RawVersions.Contains("forge") Then ModLoaders.Add(CompModLoaderType.Forge)
                If RawVersions.Contains("fabric") Then ModLoaders.Add(CompModLoaderType.Fabric)
                If RawVersions.Contains("quilt") Then ModLoaders.Add(CompModLoaderType.Quilt)
#End Region
            Else
#Region "Modrinth"
                '简单信息
                Id = Data("id")
                DisplayName = Data("name").ToString.Replace("	", "").Trim(" ")
                ReleaseDate = Data("date_published")
                Status = If(Data("version_type").ToString = "release", CompFileStatus.Release, If(Data("version_type").ToString = "beta", CompFileStatus.Beta, CompFileStatus.Alpha))
                DownloadCount = Data("downloads")
                '可能为空
                If CType(Data("files"), JArray).Count > 0 Then
                    FileName = Data("files")(0)("filename")
                    DownloadAddress = {Data("files")(0)("url").ToString.Replace(FileName, FileName)}
                End If
                'Dependencies
                If Type = CompType.Mod Then
                    RawDependencies = Data("dependencies").
                        Where(Function(d) d("dependency_type") = "required" AndAlso '种类为依赖
                                          d("project_id") <> "P7dR8mSH" AndAlso d("project_id") <> "qvIfYCYJ" AndAlso '排除 Fabric API 和 Quilt API
                                          d("project_id").ToString.Length > 0). '有时候真的会空……
                        Select(Function(d) d("project_id").ToString).ToList
                End If
                'GameVersions
                Dim RawVersions As List(Of String) = Data("game_versions").Select(Function(t) t.ToString.Trim.ToLower).ToList
                GameVersions = RawVersions.Where(Function(v) v.StartsWith("1.")).
                                           Select(Function(v) If(v.Contains("-"), v.Split("-").First & " 快照", v)).ToList
                If GameVersions.Count > 1 Then
                    GameVersions = Sort(GameVersions, AddressOf VersionSortBoolean).ToList
                    If Type = CompType.ModPack Then GameVersions = New List(Of String) From {GameVersions(0)}
                ElseIf GameVersions.Count = 1 Then
                    GameVersions = GameVersions.ToList
                ElseIf RawVersions.Any(Function(v) RegexCheck(v, "[0-9]{2}w[0-9]{2}[a-z]{1}")) Then
                    GameVersions = RawVersions.Where(Function(v) RegexCheck(v, "[0-9]{2}w[0-9]{2}[a-z]{1}")).ToList
                Else
                    GameVersions = New List(Of String) From {"未知版本"}
                End If
                'ModLoaders
                Dim RawLoaders As List(Of String) = Data("loaders").Select(Function(v) v.ToString).ToList
                ModLoaders = New List(Of CompModLoaderType)
                If RawLoaders.Contains("forge") Then ModLoaders.Add(CompModLoaderType.Forge)
                If RawLoaders.Contains("fabric") Then ModLoaders.Add(CompModLoaderType.Fabric)
                If RawLoaders.Contains("quilt") Then ModLoaders.Add(CompModLoaderType.Quilt)
#End Region
            End If
        End Sub
        ''' <summary>
        ''' 将当前文件信息实例化为控件。
        ''' </summary>
        Public Function ToListItem(OnClick As MyListItem.ClickEventHandler, Optional OnSaveClick As MyIconButton.ClickEventHandler = Nothing,
                                   Optional BadDisplayName As Boolean = False) As MyListItem

            '获取描述信息
            Dim Info As String = ""
            Select Case Type
                Case CompType.Mod
                    Info += If(ModLoaders.Count > 0,
                        "适用于 " & Join(ModLoaders.Select(Function(m) GetStringFromEnum(m)).ToList, "/") & "，", "")
                    Info += If(ModeDebug AndAlso Dependencies.Count > 0, Dependencies.Count & " 个前置 Mod，", "")
                Case CompType.ModPack
                    If GameVersions.All(Function(v) v.Contains("w")) Then
                        Info += $"游戏版本 {Join(GameVersions, "、")}，"
                    End If
            End Select
            If DownloadCount > 0 Then 'CurseForge 的下载次数经常错误地返回 0
                Info += If(DownloadCount > 100000, Math.Round(DownloadCount / 10000) & " 万次下载，", DownloadCount & " 次下载，")
            End If
            Info += GetTimeSpanString(ReleaseDate - Date.Now, False) & "更新"
            Info += If(Status = CompFileStatus.Release, "", "，" & StatusDescription)

            '建立控件
            Dim NewItem As New MyListItem With {
                .Title = If(BadDisplayName, FileName, DisplayName),
                .SnapsToDevicePixels = True, .Height = 42, .Type = MyListItem.CheckType.Clickable, .Tag = Me,
                .Info = Info
            }
            Select Case Status
                Case CompFileStatus.Release
                    NewItem.Logo = "pack://application:,,,/images/Icons/R.png"
                Case CompFileStatus.Beta
                    NewItem.Logo = "pack://application:,,,/images/Icons/B.png"
                Case Else 'Alpha
                    NewItem.Logo = "pack://application:,,,/images/Icons/A.png"
            End Select
            AddHandler NewItem.Click, OnClick

            '建立另存为按钮
            If OnSaveClick IsNot Nothing Then
                Dim BtnSave As New MyIconButton With {.Logo = Logo.IconButtonSave, .ToolTip = "另存为"}
                ToolTipService.SetPlacement(BtnSave, Primitives.PlacementMode.Center)
                ToolTipService.SetVerticalOffset(BtnSave, 30)
                ToolTipService.SetHorizontalOffset(BtnSave, 2)
                AddHandler BtnSave.Click, OnSaveClick
                NewItem.Buttons = {BtnSave}
                NewItem.PaddingRight = 35
            End If

            '结束
            Return NewItem
        End Function

        '辅助函数

        Public Overrides Function ToString() As String
            Return $"{Id}: {DisplayName}"
        End Function

    End Class

    '获取

    ''' <summary>
    ''' 已知文件信息的缓存。
    ''' </summary>
    Private CompFilesCache As New Dictionary(Of String, List(Of CompFile))
    ''' <summary>
    ''' 获取某个工程下的全部文件列表。
    ''' 必须在工作线程执行，失败会抛出异常。
    ''' </summary>
    Public Function CompFilesGet(ProjectId As String, FromCurseForge As Boolean) As List(Of CompFile)
        '使用缓存
        If CompFilesCache.ContainsKey(ProjectId) Then Return CompFilesCache(ProjectId)
        '获取工程对象
        Dim TargetProject As CompProject
        If CompProjectCache.ContainsKey(ProjectId) Then '存在缓存
            TargetProject = CompProjectCache(ProjectId)
        ElseIf FromCurseForge Then 'CurseForge
            TargetProject = New CompProject(NetGetCodeByRequestRetry("https://api.curseforge.com/v1/mods/" & ProjectId, IsJson:=True, Encode:=Encoding.UTF8)("data"))
        Else 'Modrinth
            TargetProject = New CompProject(NetGetCodeByRequestRetry("https://api.modrinth.com/v2/project/" & ProjectId, IsJson:=True, Encode:=Encoding.UTF8))
        End If
        '获取工程对象的文件列表
        Log("[Comp] 开始获取文件列表：" & ProjectId)
        Dim ResultJsonArray As JArray
        If FromCurseForge Then
            'CurseForge
            If TargetProject.Type = CompType.Mod Then 'Mod 使用每个版本最新的文件
                ResultJsonArray = GetJson(NetRequestRetry("https://api.curseforge.com/v1/mods/files", "POST", "{""fileIds"": [" & Join(TargetProject.CurseForgeFileIds, ",") & "]}", "application/json"))("data")
            Else '否则使用全部文件
                ResultJsonArray = NetGetCodeByRequestRetry($"https://api.curseforge.com/v1/mods/{ProjectId}/files?pageSize=999", Accept:="application/json", IsJson:=True)("data")
            End If
        Else
            'Modrinth
            ResultJsonArray = NetGetCodeByRequestRetry($"https://api.modrinth.com/v2/project/{ProjectId}/version", Accept:="application/json", IsJson:=True)
        End If
        CompFilesCache(ProjectId) = Distinct(ResultJsonArray.Select(Function(a) New CompFile(a, TargetProject.Type)).
            Where(Function(a) a.Available).ToList, Function(a, b) a.Id = b.Id) 'CurseForge 可能会重复返回相同项（#1330）
        '获取前置 Mod 列表
        If TargetProject.Type <> CompType.Mod Then Return CompFilesCache(ProjectId)
        Dim Deps As List(Of String) = CompFilesCache(ProjectId).
            SelectMany(Function(f) f.RawDependencies).Distinct().ToList
        Dim UndoneDeps = Deps.Where(Function(f) Not CompProjectCache.ContainsKey(f)).ToList
        '获取前置 Mod 工程信息
        If UndoneDeps.Count > 0 Then
            Log($"[Comp] {ProjectId} 文件列表中还需要获取信息的前置 Mod：{Join(UndoneDeps, "，")}")
            Dim Projects As JArray
            If TargetProject.FromCurseForge Then
                Projects = GetJson(NetRequestRetry("https://api.curseforge.com/v1/mods",
                    "POST", "{""modIds"": [" & Join(UndoneDeps, ",") & "]}", "application/json"))("data")
            Else
                Projects = NetGetCodeByRequestRetry($"https://api.modrinth.com/v2/projects?ids=[""{Join(UndoneDeps, """,""")}""]",
                    Accept:="application/json", IsJson:=True)
            End If
            For Each Project In Projects
                Dim NewProject As New CompProject(Project) '在 New 的时候就添加了缓存
            Next
        End If
        '更新前置 Mod 信息
        If Deps.Count > 0 Then
            For Each DepProject In Deps.Select(Function(id) CompProjectCache(id))
                For Each File In CompFilesCache(ProjectId)
                    If File.RawDependencies.Contains(DepProject.Id) AndAlso DepProject.Id <> ProjectId Then
                        File.Dependencies.Add(DepProject.Id)
                    End If
                Next
            Next
        End If
        Return CompFilesCache(ProjectId)
    End Function

    ''' <summary>
    ''' 预载包含大量 CompFile 的卡片，添加必要的元素和前置 Mod 列表。
    ''' </summary>
    Public Sub CompFilesCardPreload(Stack As StackPanel, Files As List(Of CompFile), OnClick As MyListItem.ClickEventHandler)
        '获取卡片对应的前置 ID
        '如果为整合包就不会有 Dependencies 信息，所以不用管
        Dim Deps As List(Of String) = Files.SelectMany(Function(f) f.Dependencies).Distinct.ToList()
        Deps.Sort()
        If Deps.Count = 0 Then Exit Sub
        Deps = Deps.Where(Function(dep)
                              If Not CompProjectCache.ContainsKey(dep) Then Log($"[Comp] 未找到 ID {dep} 的前置 Mod 信息", LogLevel.Debug)
                              Return CompProjectCache.ContainsKey(dep)
                          End Function).ToList
        '添加开头间隔
        Stack.Children.Add(New TextBlock With {.Text = "前置 Mod", .FontSize = 14, .HorizontalAlignment = HorizontalAlignment.Left, .Margin = New Thickness(6, 2, 0, 5)})
        '添加前置 Mod 列表
        For Each Dep In Deps
            Dim Item = CompProjectCache(Dep).ToCompItem(False, False, AddressOf FrmDownloadMod.ProjectClick)
            Stack.Children.Add(Item)
        Next
        '添加结尾间隔
        Stack.Children.Add(New TextBlock With {.Text = "可选版本", .FontSize = 14, .HorizontalAlignment = HorizontalAlignment.Left, .Margin = New Thickness(6, 12, 0, 5)})
    End Sub

#End Region

End Module