Public Class PageDownloadResourceDetail
    Private ResourceItem As MyResourceItem = Nothing

    ''' <summary>
    ''' 当前页面应展示的内容类别。
    ''' 若当前页面是在查看前置时进入，则为 Any；这也能用于指示当前是否在查看前置。
    ''' </summary>
    Private TargetResourceType As ResourceTypes
    Private Project As ResourceProject
    Private TargetVersion As String
    Private TargetLoaders As ModLoaders
    Public Sub LoadPageArguments() Handles Me.Loaded
        Project = FrmMain.PageCurrent.Additional(0)
        TargetVersion = FrmMain.PageCurrent.Additional(2)
        TargetLoaders = CType(FrmMain.PageCurrent.Additional(3), ModLoaders)
        If TargetLoaders <> ModLoaders.None AndAlso Not TargetLoaders.Flags.IsSingle Then TargetLoaders = TargetLoaders.Flags.First() '强制取第一个
        TargetResourceType = FrmMain.PageCurrent.Additional(4)
    End Sub

#Region "加载器"

    Private ResourceFileLoader As New LoaderTask(Of Integer, List(Of ResourceVersion))(
        "Resource File",
        Sub(Task)
            LoadPageArguments()
            Dim Result = ResourceVersion.FromProjectId(Project.Id, Project.Platform)
            If Task.IsInterrupted Then Return
            Task.Output = Result
        End Sub)

    '初始化加载器信息
    Private Sub PageDownloadResourceDetail_Inited(sender As Object, e As EventArgs) Handles Me.Initialized
        LoadPageArguments()
        PageLoaderInit(Load, PanLoad, PanMain, CardIntro, ResourceFileLoader, AddressOf Load_OnFinish)
    End Sub
    '自动重试
    Private Sub Load_State(sender As Object, state As MyLoading.MyLoadingState, oldState As MyLoading.MyLoadingState) Handles Load.StateChanged
        Select Case ResourceFileLoader.State
            Case LoadState.Failed
                Dim ErrorMessage As String = ""
                If ResourceFileLoader.Error IsNot Nothing Then ErrorMessage = ResourceFileLoader.Error.Message
                If ErrorMessage.Contains("不是有效的 json 文件") Then
                    Logger.Warn("下载的文件 json 列表损坏，已自动重试")
                    PageLoaderRestart()
                End If
        End Select
    End Sub
    '结果 UI 化
    Private Class CardSorter
        Implements IComparer(Of String)
        Public Topmost As String = ""
        Public Function Compare(x As String, y As String) As Integer Implements IComparer(Of String).Compare
            '相同
            If x = y Then Return 0
            '置顶
            If x = Topmost Then Return -1
            If y = Topmost Then Return 1
            '特殊版本
            Dim IsXSpecial As Boolean = Not x.Contains(".")
            Dim IsYSpecial As Boolean = Not y.Contains(".")
            If IsXSpecial AndAlso IsYSpecial Then Return x.CompareTo(y)
            If IsXSpecial Then Return 1
            If IsYSpecial Then Return -1
            '比较版本号
            Dim VersionCodeSort = -CompareVersion(x.Replace(x.BeforeFirst(" ") & " ", ""), y.Replace(y.BeforeFirst(" ") & " ", ""))
            If VersionCodeSort <> 0 Then Return VersionCodeSort
            '比较全部
            Return -CompareVersion(x, y)
        End Function
        Public Sub New(Optional Topmost As String = "")
            Me.Topmost = If(Topmost, "")
        End Sub
    End Class

    Private VersionFilter As String
    Private GroupedDrop As Boolean '是否按 Drop 筛选（1.21 / 1.20 / 1.19 / ...）而非小版本号（1.21.1 / 1.21 / 1.20.4 / ...）
    Private GroupedOld As Boolean '是否折叠远古版本为一个选项
    '筛选类型相同的结果（Modrinth 会返回 Mod、服务端插件、数据包混合的列表）
    Private Function GetResults() As List(Of ResourceVersion)
        Dim Results As List(Of ResourceVersion) = ResourceFileLoader.Output
        Select Case TargetResourceType
            Case ResourceTypes.Any
                Results = Results.Where(Function(r) r.ResourceType <> ResourceTypes.Plugin).ToList
            Case ResourceTypes.Shader, ResourceTypes.ResourcePack
                '不筛选光影和资源包，否则原版光影会因为是资源包格式而被过滤（#6473）
            Case Else
                Results = Results.Where(Function(r) r.ResourceType = TargetResourceType).ToList
        End Select
        Return Results
    End Function
    Private Sub Load_OnFinish()
        Dim Results = GetResults()

        '初始化筛选器
        Dim Filters As List(Of String) = Nothing
        Dim UpdateFilters =
        Sub()
            Filters = Results.SelectMany(Function(v) v.GameVersions).Select(Function(v) GetGroupedVersionName(v, GroupedDrop, GroupedOld)).
                Distinct.OrderByDescending(Function(s) s, New VersionComparer).ToList
        End Sub

        '确定分组方式
        GroupedDrop = False : GroupedOld = False
        UpdateFilters()
        If Filters.Count < 9 Then GoTo GroupDone
        GroupedDrop = True : GroupedOld = False
        UpdateFilters()
        If Filters.Count < 9 Then GoTo GroupDone
        GroupedDrop = False : GroupedOld = True
        UpdateFilters()
        If Filters.Count < 9 Then GoTo GroupDone
        GroupedDrop = True : GroupedOld = True
        UpdateFilters()
GroupDone:

        'UI 化筛选器
        PanFilter.Children.Clear()
        If Filters.Count < 2 Then
            CardFilter.Visibility = Visibility.Collapsed
            VersionFilter = Nothing
        Else
            CardFilter.Visibility = Visibility.Visible
            Filters.Insert(0, "全部")
            '转化为按钮
            For Each Version As String In Filters
                Dim NewButton As New MyRadioButton With {
                    .Text = Version, .Margin = New Thickness(2, 0, 2, 0), .ColorType = MyRadioButton.ColorState.Highlight}
                NewButton.LabText.Margin = New Thickness(-2, 0, 10, 0)
                AddHandler NewButton.Check,
                Sub(sender As MyRadioButton, raiseByMouse As Boolean)
                    VersionFilter = If(sender.Text = "全部", Nothing, sender.Text)
                    UpdateFilterResult()
                End Sub
                PanFilter.Children.Add(NewButton)
            Next
            '自动选择
            Dim ToCheck As MyRadioButton = Nothing
            If TargetVersion <> "" Then
                Dim TargetFile = Results.FirstOrDefault(Function(v) v.GameVersions.Contains(TargetVersion))
                If TargetFile IsNot Nothing Then
                    Dim TargetGroup = GetGroupedVersionName(TargetVersion, GroupedDrop, GroupedOld)
                    For Each Button As MyRadioButton In PanFilter.Children
                        If Button.Text <> TargetGroup Then Continue For
                        ToCheck = Button
                        Exit For
                    Next
                End If
            End If
            If ToCheck Is Nothing Then ToCheck = PanFilter.Children(0)
            ToCheck.Checked = True
        End If

        '更新筛选结果（文件列表 UI 化）
        UpdateFilterResult()
    End Sub
    Private Sub UpdateFilterResult()
        Dim Results = GetResults()

        Dim TargetCardName As String = If(TargetVersion <> "" OrElse TargetLoaders <> ModLoaders.None,
            $"{If(TargetLoaders <> ModLoaders.None, TargetLoaders.ToString & " ", "")}{TargetVersion}（所选版本）", "")
        '归类到卡片下
        Dim Dict As New SortedDictionary(Of String, List(Of ResourceVersion))(New CardSorter(TargetCardName))
        Dict.Add("其他", New List(Of ResourceVersion))
        For Each Version As ResourceVersion In Results
            For Each GameVersion In Version.GameVersions
                '检查是否符合版本筛选器
                If VersionFilter IsNot Nothing AndAlso
                    GetGroupedVersionName(GameVersion, GroupedDrop, GroupedOld) <> VersionFilter Then Continue For
                '决定添加到哪个卡片
                Dim VerName As String = GetGroupedVersionName(GameVersion, False, False)
                '遍历加入的加载器列表
                Dim Loaders As New List(Of String)
                If Project.ModLoaders.Flags.Count > 1 AndAlso '工程至少有两个加载器
                    Version.ResourceType = ResourceTypes.Mod AndAlso '是 Mod
                    McVersion.IsFormatFit(VerName) Then '不是 “快照版本” 之类的
                    For Each Loader In Version.ModLoaders.Flags
                        If Loader = ModLoaders.Quilt AndAlso Settings.Get(Of Boolean)("ToolDownloadIgnoreQuilt") Then Continue For
                        Loaders.Add(Loader.ToString & " ")
                    Next
                End If
                If Not Loaders.Any() Then Loaders.Add("") '保底加一个空的，确保它在一张卡片里
                '实际添加
                For Each Loader In Loaders
                    Dim TargetCard As String = Loader & VerName
                    If Not Dict.ContainsKey(TargetCard) Then Dict.Add(TargetCard, New List(Of ResourceVersion))
                    If Not Dict(TargetCard).Contains(Version) Then Dict(TargetCard).Add(Version)
                Next
            Next
        Next
        '添加筛选的版本的卡片
        If TargetCardName <> "" AndAlso (VersionFilter Is Nothing OrElse GetGroupedVersionName(TargetVersion, GroupedDrop, GroupedOld).StartsWithF(VersionFilter)) Then
            Dict.Add(TargetCardName, New List(Of ResourceVersion))
            For Each Version As ResourceVersion In Results
                If Version.GameVersions.Contains(TargetVersion) AndAlso
                   (TargetLoaders = ModLoaders.None OrElse TargetLoaders.Flags.Intersect(Version.ModLoaders.Flags).Any) Then
                    '检查是否符合版本筛选器
                    If VersionFilter IsNot Nothing AndAlso
                        Not Version.GameVersions.Any(Function(v) GetGroupedVersionName(v, GroupedDrop, GroupedOld) = VersionFilter) Then Continue For
                    If Not Dict(TargetCardName).Contains(Version) Then Dict(TargetCardName).Add(Version)
                End If
            Next
        End If
        '转化为 UI
        Try
            PanResults.Children.Clear()
            For Each Pair As KeyValuePair(Of String, List(Of ResourceVersion)) In Dict
                If Not Pair.Value.Any() Then Continue For
                If Pair.Key = TargetCardName.Replace("（所选版本）", "") Then Continue For
                '增加卡片
                Dim NewCard As New MyCard With {.Title = Pair.Key, .Margin = New Thickness(0, 0, 0, 15), .SwapType = If(TargetResourceType = ResourceTypes.ModPack, 9, 8)} '9 是安装，8 是另存为
                Dim NewStack As New StackPanel With {.Margin = New Thickness(20, MyCard.SwapedHeight, 18, 0), .VerticalAlignment = VerticalAlignment.Top, .RenderTransform = New TranslateTransform(0, 0), .Tag = Pair.Value}
                NewCard.Children.Add(NewStack)
                NewCard.SwapControl = NewStack
                PanResults.Children.Add(NewCard)
                '确定卡片是否默认展开
                If Pair.Key = TargetCardName OrElse
                   (FrmMain.PageCurrent.Additional IsNot Nothing AndAlso '#2761
                   CType(FrmMain.PageCurrent.Additional(1), List(Of String)).Contains(NewCard.Title)) Then
                    MyCard.StackInstall(NewStack, If(TargetResourceType = ResourceTypes.ModPack, 9, 8), Pair.Key) '9 是安装，8 是另存为
                Else
                    NewCard.IsSwapped = True
                End If
                '增加提示
                If Pair.Key = "其他" Then
                    NewStack.Children.Add(New MyHint With {.Text = "由于版本信息更新缓慢，可能无法识别刚更新的 MC 版本。几天后即可正常识别。", .Theme = MyHint.Themes.Yellow, .Margin = New Thickness(5, 0, 0, 8)})
                End If
            Next
            '如果只有一张卡片，展开第一张卡片
            If PanResults.Children.Count = 1 Then
                CType(PanResults.Children(0), MyCard).IsSwapped = False
            End If
            '替代提示
            If Project.Types = ResourceTypes.ModOrDataPack AndAlso (TargetResourceType = ResourceTypes.Mod OrElse TargetResourceType = ResourceTypes.DataPack) Then
                HintAlternative.Visibility = Visibility.Visible
                HintAlternative.Text = If(TargetResourceType = ResourceTypes.Mod,
                    "以下是该项目的 Mod 版本。点击这里查看其数据包版本。", "以下是该项目的数据包版本。点击这里查看其 Mod 版本。")
            Else
                HintAlternative.Visibility = Visibility.Collapsed
            End If
        Catch ex As Exception
            Logger.Error(ex, "可视化工程下载列表出错")
        End Try
    End Sub
    Private Function GetGroupedVersionName(Name As String, GroupedByDrop As Boolean, FoldOld As Boolean) As String
        Dim Drop = McVersion.VersionToDrop(Name)
        If Name Is Nothing Then
            Return "其他"
        ElseIf Name.Contains("w") OrElse Drop = 209 Then
            Return "快照版"
        ElseIf Not McVersion.IsFormatFit(Name) OrElse (FoldOld AndAlso Drop < 120) Then
            Return "远古版"
        ElseIf GroupedByDrop Then
            Return McVersion.DropToVersion(Drop)
        Else
            Return Name
        End If
    End Function

#End Region

    Private IsFirstInit As Boolean = True
    Public Sub Init() Handles Me.PageEnter
        AniControlEnabled += 1
        Project = FrmMain.PageCurrent.Additional(0)
        PanBack.ScrollToHome()

        '重启加载器
        If IsFirstInit Then
            '在 Me.Initialized 已经初始化了加载器，不再重复初始化
            IsFirstInit = False
        Else
            PageLoaderRestart(IsForceRestart:=True)
        End If

        '放置当前工程
        If ResourceItem IsNot Nothing Then PanIntro.Children.Remove(ResourceItem)
        ResourceItem = Project.ToResourceItem(True, True).Init()
        ResourceItem.CanInteraction = False
        ResourceItem.Margin = New Thickness(-7, -7, 0, 8)
        PanIntro.Children.Insert(0, ResourceItem)

        '决定按钮显示
        BtnIntroWeb.Text = $"转到 {Project.Platform}"
        BtnIntroWiki.Visibility = If(Project.WikiId = 0, Visibility.Collapsed, Visibility.Visible)

        AniControlEnabled -= 1
    End Sub

    '整合包安装
    Public Sub Install_Click(sender As MyListItem, e As EventArgs)
        Try

            '获取基本信息
            Dim File As ResourceVersion = sender.Tag
            Dim LoaderName As String = $"{Project.Platform} 整合包下载：{Project.TranslatedName} "

            '获取版本名
            Dim PackName As String = Project.TranslatedName.Replace(".zip", "").Replace(".rar", "").Replace(".mrpack", "").Replace("\", "＼").Replace("/", "／").Replace("|", "｜").Replace(":", "：").Replace("<", "＜").Replace(">", "＞").Replace("*", "＊").Replace("?", "？").Replace("""", "").Replace("： ", "：")
            Dim Validate As New ValidateFolderName(McFolderSelected & "versions")
            If Validate.Validate(PackName) <> "" Then PackName = ""
            Dim InstanceName As String = MyMsgBoxInput("输入版本名称", "", PackName, New ObjectModel.Collection(Of Validate) From {Validate})
            If String.IsNullOrEmpty(InstanceName) Then Return

            '构造步骤加载器
            Dim Loaders As New List(Of LoaderBase)
            Dim Target As String = $"{McFolderSelected}versions\{InstanceName}\原始整合包.{If(Project.Platform = ResourcePlatforms.CurseForge, "zip", "mrpack")}"
            Dim LogoFileAddress As String = ResourceItem.PathLogo.ActualSource
            Loaders.Add(New LoaderDownload("下载整合包文件", {
                File.ToNetFile(Target, ResourceVersion.DownloadReason.Standalone, File.GameVersions.FirstOrDefault, File.ModLoaders)
            }) With {.ProgressWeight = 10, .Block = True})
            Loaders.Add(New LoaderTask(Of Integer, Integer)("准备安装整合包",
            Sub() ModpackInstall(Target, InstanceName, If(FileUtils.Exists(LogoFileAddress), LogoFileAddress, Nothing))) With {.ProgressWeight = 0.1})

            '启动
            Dim Loader As New LoaderCombo(Of String)(LoaderName, Loaders) With {.OnStateChanged =
            Sub(MyLoader)
                Select Case MyLoader.State
                    Case LoadState.Failed
                        Hint(MyLoader.Name & "失败：" & MyLoader.Error.GetDisplay(False), HintType.Red)
                    Case LoadState.Interrupted
                        Hint(MyLoader.Name & "已取消！", HintType.Blue)
                    Case LoadState.Loading
                        Return '不重新加载版本列表
                End Select
                McInstallFailedClearFolder(MyLoader)
            End Sub}
            Loader.Start(McFolderSelected & "versions\" & InstanceName & "\")
            LoaderTaskbarAdd(Loader)
            FrmMain.BtnExtraDownload.ShowRefresh()
            FrmMain.BtnExtraDownload.Ribble()

        Catch ex As Exception
            Logger.Error(ex, "下载资源整合包失败")
        End Try
    End Sub
    '资源下载；整合包另存为
    Public Shared CachedFolder As New Dictionary(Of ResourceTypes, String) '仅在本次缓存的下载文件夹
    Public Sub Save_Click(sender As Object, e As EventArgs)
        Dim File As ResourceVersion = If(TypeOf sender Is MyListItem, sender, sender.Parent).Tag
        RunInNewThread(
        Sub()
            Try
                Dim Desc As String = Nothing
                Select Case File.ResourceType
                    Case ResourceTypes.ModPack : Desc = "整合包"
                    Case ResourceTypes.Mod : Desc = "Mod "
                    Case ResourceTypes.ResourcePack : Desc = "资源包"
                    Case ResourceTypes.Shader : Desc = "光影包"
                    Case ResourceTypes.DataPack : Desc = "数据包"
                End Select
                '确认默认保存位置
                Dim DefaultFolder As String = Nothing
                If File.ResourceType <> ResourceTypes.ModPack Then
                    Dim SubFolder As String = Nothing
                    Select Case File.ResourceType
                        Case ResourceTypes.Mod : SubFolder = "mods\"
                        Case ResourceTypes.ResourcePack : SubFolder = "resourcepacks\"
                        Case ResourceTypes.Shader : SubFolder = "shaderpacks\"
                        Case ResourceTypes.DataPack : SubFolder = "" '导航到版本根目录
                    End Select
                    Dim IsInstanceSuitable As Func(Of McInstance, Boolean) = Nothing
                    '获取资源所需的加载器
                    Dim AllowedLoaders As ModLoaders = ModLoaders.None
                    If File.ModLoaders <> ModLoaders.None Then
                        AllowedLoaders = File.ModLoaders
                    ElseIf Project.ModLoaders <> ModLoaders.None Then
                        AllowedLoaders = Project.ModLoaders
                    End If
                    Logger.Info($"{Desc}要求的加载器种类：{AllowedLoaders}")
                    '判断某个版本是否符合资源要求
                    IsInstanceSuitable =
                    Function(Instance As McInstance)
                        If Not Instance.IsLoaded Then Instance.Load()
                        '只对 Mod 和数据包进行版本检测
                        If File.ResourceType = ResourceTypes.Mod OrElse File.ResourceType = ResourceTypes.DataPack Then
                            If Not File.GameVersions.Any( '判断是否有任何一个版本匹配
                            Function(FileVersion)
                                Dim FileIsSnapshot As Boolean = FileVersion.Contains("预览版") OrElse Not FileVersion.Contains(".")
                                Dim InstanceIsSnapshot As Boolean = Instance.Version.VanillaName.Contains("snapshot") OrElse Not Instance.Version.VanillaName.Contains(".")
                                If FileIsSnapshot <> InstanceIsSnapshot Then
                                    '只有一种是预览版
                                    Return False
                                ElseIf Not FileIsSnapshot AndAlso Not InstanceIsSnapshot Then
                                    '都不是预览版
                                    Return FileVersion = Instance.Version.VanillaName
                                Else
                                    '都是预览版
                                    Dim FileIsNewFormat As Boolean = FileVersion.Contains(".") AndAlso Val(FileVersion.BeforeFirst(".")) > 1
                                    Dim InstanceIsNewFormat As Boolean = Instance.Version.Drop > 250
                                    If FileIsNewFormat <> InstanceIsNewFormat Then
                                        '只有一种是新格式快照
                                        Return False
                                    ElseIf FileIsNewFormat AndAlso InstanceIsNewFormat Then
                                        '都是新格式快照
                                        Return FileVersion.BeforeFirst(" ") = Instance.Version.VanillaName.BeforeFirst("-")
                                    Else
                                        '都是旧格式快照
                                        If FileVersion.Contains("w") AndAlso Instance.Version.VanillaName.Contains("w") Then
                                            '都是 w 快照
                                            Return FileVersion = Instance.Version.VanillaName
                                        Else
                                            '不全是 w 快照
                                            Return True '只能假定相同，无法判断
                                        End If
                                    End If
                                End If
                            End Function) Then Return False
                        End If
                        '加载器
                        Return AllowedLoaders = ModLoaders.None OrElse AllowedLoaders.Flags.Intersect(Instance.Version.ModLoaders.Flags).Any
                    End Function
                    '获取常规资源默认下载位置
                    If CachedFolder.ContainsKey(File.ResourceType) Then
                        DefaultFolder = CachedFolder(File.ResourceType)
                        Logger.Info($"使用上次下载时的文件夹作为默认下载位置：{DefaultFolder}")
                    ElseIf McInstanceSelected IsNot Nothing AndAlso IsInstanceSuitable(McInstanceSelected) Then
                        DefaultFolder = $"{McInstanceSelected.PathIndie}{SubFolder}"
                        DirectoryUtils.Create(DefaultFolder)
                        Logger.Info($"使用当前版本作为默认下载位置：{DefaultFolder}")
                    Else
                        '查找所有可能的版本
                        Dim NeedLoad As Boolean = McInstanceListLoader.State <> LoadState.Finished
                        If NeedLoad Then
                            Hint("正在查找适合的游戏版本……")
                            LoaderFolderRun(McInstanceListLoader, McFolderSelected, LoaderFolderRunType.ForceRun, MaxDepth:=1, ExtraPath:="versions\", WaitForExit:=True)
                        End If
                        Dim SuitableInstanceList = McInstanceList.Values.SelectMany(Function(l) l).Where(Function(v) IsInstanceSuitable(v)).
                            Select(Function(v) DirectoryUtils.GetInfo($"{v.PathIndie}{SubFolder}"))
                        If SuitableInstanceList.Any Then
                            Dim SelectedInstance = SuitableInstanceList.
                                OrderByDescending(Function(Dir) If(Dir.Exists, Dir.LastWriteTimeUtc, Date.MinValue)). '先按文件夹更改时间降序
                                ThenByDescending(Function(Dir) If(Dir.Exists, Dir.GetFiles().Length, -1)). '再按文件夹中的文件数量降序
                                First()
                            DefaultFolder = PathUtils.RemoveExtendedPrefix(SelectedInstance.FullName)
                            DirectoryUtils.Create(DefaultFolder)
                            Logger.Info($"使用适合的游戏版本作为默认下载位置：{DefaultFolder}")
                        Else
                            DefaultFolder = McFolderSelected
                            If NeedLoad Then
                                Hint($"当前 MC 文件夹中没有找到合适的版本！")
                            Else
                                Logger.Info("由于当前版本不兼容，使用当前的 MC 文件夹作为默认下载位置")
                            End If
                        End If
                    End If
                End If
                '获取基本信息
                Dim FileName As String
                If Project.TranslatedName = Project.RawName Then
                    FileName = File.FileName
                Else
                    Dim ChineseName As String = Project.TranslatedName.BeforeFirst(" (").BeforeFirst(" - ").
                        Replace("\", "＼").Replace("/", "／").Replace("|", "｜").Replace(":", "：").Replace("<", "＜").Replace(">", "＞").Replace("*", "＊").Replace("?", "？").Replace("""", "").Replace("： ", "：")
                    Select Case Settings.Get(Of Integer)("ToolDownloadTranslateV2")
                        Case 0
                            FileName = $"【{ChineseName}】{File.FileName}"
                        Case 1
                            FileName = $"[{ChineseName}] {File.FileName}"
                        Case 2
                            FileName = $"{ChineseName}-{File.FileName}"
                        Case 3
                            FileName = $"{File.FileName}-{ChineseName}"
                        Case Else
                            FileName = File.FileName
                    End Select
                End If
                If File.ResourceType = ResourceTypes.Mod Then FileName = FileName.Replace("~", "-") '~ 会导致 Mixin 加载失败
                RunInUi(
                Sub()
                    '弹窗要求选择保存位置
                    Dim Target As String
                    Dim Ext As String = If(File.ResourceType = ResourceTypes.Mod,
                        If(File.FileName.EndsWithF(".litemod"), "litemod", "jar"),
                        If(File.FileName.EndsWithF(".mrpack"), "mrpack", "zip"))
                    Target = Dialogs.SaveFile("选择保存位置", FileName, DefaultFolder, {(Ext, Desc & "文件")})
                    If Target Is Nothing Then Return
                    '构造步骤加载器
                    Dim LoaderName As String = Desc & "下载：" & PathUtils.GetFileNameWithoutExtension(Target) & " "
                    If Target <> DefaultFolder Then CachedFolder(File.ResourceType) = PathUtils.RemoveLastPart(Target)
                    Dim Loaders As New List(Of LoaderBase)
                    Loaders.Add(New LoaderDownload("下载文件", {
                        File.ToNetFile(Target, If(TargetResourceType = ResourceTypes.Any, ResourceVersion.DownloadReason.Dependency, ResourceVersion.DownloadReason.Standalone))
                    }) With {.ProgressWeight = 6, .Block = True})
                    '启动
                    Dim Loader As New LoaderCombo(Of Integer)(LoaderName, Loaders) With {.OnStateChanged = AddressOf LoaderStateChangedHintOnly}
                    Loader.Start(1)
                    LoaderTaskbarAdd(Loader)
                    FrmMain.BtnExtraDownload.ShowRefresh()
                    FrmMain.BtnExtraDownload.Ribble()
                End Sub)
            Catch ex As Exception
                Logger.Error(ex, "保存资源文件失败")
            End Try
        End Sub, "Download Resource Detail Save")
    End Sub

    Private Sub BtnIntroWeb_Click(sender As Object, e As EventArgs) Handles BtnIntroWeb.Click
        OpenWebsite(Project.Website)
    End Sub
    Private Sub BtnIntroWiki_Click(sender As Object, e As EventArgs) Handles BtnIntroWiki.Click
        OpenWebsite("https://www.mcmod.cn/class/" & Project.WikiId & ".html")
    End Sub
    Private Sub BtnIntroCopy_Click(sender As Object, e As EventArgs) Handles BtnIntroCopy.Click
        ClipboardSet(ResourceItem.LabTitle.Text & ResourceItem.LabTitleRaw.Text)
    End Sub

    'Mod / 数据包 互相跳转
    Private Sub HintAlternative_Click() Handles HintAlternative.Click
        TargetResourceType = If(TargetResourceType = ResourceTypes.Mod, ResourceTypes.DataPack, ResourceTypes.Mod)
        FrmMain.PageCurrent.Additional(4) = TargetResourceType '加载器会从这里重新拿数据
        PageLoaderRestart(IsForceRestart:=True)
    End Sub

    ''' <summary>
    ''' 预载包含大量 ProjectVersion 的卡片，添加必要的元素和前置列表。
    ''' </summary>
    Public Shared Sub ResourceFilesCardPreload(Stack As StackPanel, Files As List(Of ResourceVersion))
        '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 Not Deps.Any() Then Return
        Deps = Deps.Where(
        Function(dep)
            If Not ResourceProject.Cache.ContainsKey(dep) Then Logger.Warn($"未找到 ID {dep} 的前置信息")
            Return ResourceProject.Cache.ContainsKey(dep)
        End Function).ToList
        '添加开头间隔
        Stack.Children.Add(New TextBlock With {.Text = "前置资源", .FontSize = 14, .HorizontalAlignment = HorizontalAlignment.Left, .Margin = New Thickness(6, 2, 0, 5)})
        '添加前置列表
        For Each Dep In Deps
            Dim Item = ResourceProject.Cache(Dep).ToResourceItem(False, False)
            Stack.Children.Add(Item)
        Next
        '添加结尾间隔
        Stack.Children.Add(New TextBlock With {.Text = "版本列表", .FontSize = 14, .HorizontalAlignment = HorizontalAlignment.Left, .Margin = New Thickness(6, 12, 0, 5)})
    End Sub

End Class