Public Class PageLaunchRight

    Private Sub Init() Handles Me.Loaded
        PanBack.ScrollToHome()
        PanScroll = PanBack '不知道为啥不能在 XAML 设置
        PanLog.Visibility = If(ModeDebug, Visibility.Visible, Visibility.Collapsed)
        ' 
        AddHandler Me.KeyDown, AddressOf PressF5
        '快照版提示
#If BETA Then
        PanHint.Visibility = Visibility.Collapsed
#Else
        PanHint.Visibility = If(ThemeCheckGold(), Visibility.Collapsed, Visibility.Visible)
        LabHint1.Text = "快照版包含尚未正式发布的测试功能，仅用于赞助者本人尝鲜。请不要发给其他人或者用来制作整合包哦！"
        LabHint2.Text = $"若已累积赞助￥23.33，在爱发电私信发送 {vbLQ}解锁码{vbRQ} 即可永久隐藏此提示。"
#End If
    End Sub

    '暂时关闭快照版提示
#If Not BETA Then
    Private Sub BtnHintClose_Click(sender As Object, e As EventArgs) Handles BtnHintClose.Click
        AniDispose(PanHint, True)
    End Sub
#End If

#Region "自定义主页"

    ''' <summary>
    ''' 刷新自定义主页。
    ''' </summary>
    Private Sub PressF5(sender As Object, e As KeyEventArgs)
        If e.Key = Key.F5 Then
            ForceRefresh()
        End If
    End Sub

    Private Sub Refresh() Handles Me.Loaded
        RunInNewThread(
        Sub()
            Try
                SyncLock RefreshLock
                    RefreshReal()
                End SyncLock
            Catch ex As Exception
                Log(ex, "加载 PCL 主页自定义信息失败", LogLevel.Msgbox)
            End Try
        End Sub, $"刷新自定义主页 #{GetUuid()}")
    End Sub
    Private Sub RefreshReal()
        Dim Content As String = ""
        Dim Url As String
        Select Case Setup.Get("UiCustomType")
            Case 1
                '加载本地文件
                Log("[Page] 主页自定义数据来源：本地文件")
                Content = ReadFile(Path & "PCL\Custom.xaml") 'ReadFile 会进行存在检测
            Case 2
                Url = Setup.Get("UiCustomNet")
Download:
                '加载联网文件
                If String.IsNullOrWhiteSpace(Url) Then Exit Select
                If Url = Setup.Get("CacheSavedPageUrl") AndAlso File.Exists(PathTemp & "Cache\Custom.xaml") Then
                    '缓存可用
                    Log("[Page] 主页自定义数据来源：联网缓存文件")
                    Content = ReadFile(PathTemp & "Cache\Custom.xaml")
                    '后台更新缓存
                    OnlineLoader.Start(Url)
                Else
                    '缓存不可用
                    Log("[Page] 主页自定义数据来源：联网全新下载")
                    Hint("正在加载主页……")
                    RunInUiWait(Sub() LoadContent("")) '在加载结束前清空页面
                    Setup.Set("CacheSavedPageVersion", "")
                    OnlineLoader.Start(Url) '下载完成后将会再次触发更新
                    Exit Sub
                End If
            Case 3
                Select Case Setup.Get("UiCustomPreset")
                    Case 0
                        Log("[Page] 主页预设：你知道吗")
                        Content = "
                            <local:MyCard Title=""你知道吗？"" Margin=""0,0,0,15"">
                                <TextBlock Margin=""25,38,23,15"" FontSize=""13.5"" IsHitTestVisible=""False"" Text=""{hint}"" TextWrapping=""Wrap"" Foreground=""{DynamicResource ColorBrush1}"" />
                                <local:MyIconButton Height=""22"" Width=""22"" Margin=""9"" VerticalAlignment=""Top"" HorizontalAlignment=""Right"" 
                                    EventType=""刷新主页"" EventData=""/""
                                    Logo=""M875.52 148.48C783.36 56.32 655.36 0 512 0 291.84 0 107.52 138.24 30.72 332.8l122.88 46.08C204.8 230.4 348.16 128 512 128c107.52 0 199.68 40.96 271.36 112.64L640 384h384V0L875.52 148.48zM512 896c-107.52 0-199.68-40.96-271.36-112.64L384 640H0v384l148.48-148.48C240.64 967.68 368.64 1024 512 1024c220.16 0 404.48-138.24 481.28-332.8L870.4 645.12C819.2 793.6 675.84 896 512 896z"" />
                            </local:MyCard>"
                    Case 1
                        Log("[Page] 主页预设：回声洞")
                        Content = "
                            <local:MyCard Title=""回声洞"" Margin=""0,0,0,15"">
                                <TextBlock Margin=""25,38,23,15"" FontSize=""13.5"" IsHitTestVisible=""False"" Text=""{cave}"" TextWrapping=""Wrap"" Foreground=""{DynamicResource ColorBrush1}"" />
                                <local:MyIconButton Height=""22"" Width=""22"" Margin=""9"" VerticalAlignment=""Top"" HorizontalAlignment=""Right"" 
                                    EventType=""刷新主页"" EventData=""/""
                                    Logo=""M875.52 148.48C783.36 56.32 655.36 0 512 0 291.84 0 107.52 138.24 30.72 332.8l122.88 46.08C204.8 230.4 348.16 128 512 128c107.52 0 199.68 40.96 271.36 112.64L640 384h384V0L875.52 148.48zM512 896c-107.52 0-199.68-40.96-271.36-112.64L384 640H0v384l148.48-148.48C240.64 967.68 368.64 1024 512 1024c220.16 0 404.48-138.24 481.28-332.8L870.4 645.12C819.2 793.6 675.84 896 512 896z"" />
                            </local:MyCard>"
                    Case 2
                        Log("[Page] 主页预设：Minecraft 新闻")
                        Url = "http://pcl.mcnews.thestack.top"
                        GoTo Download
                    Case 3
                        Log("[Page] 主页预设：简单主页")
                        Url = "https://gitee.com/mfn233/PCL-Mainpage/raw/main/Custom.xaml"
                        GoTo Download
                    Case 4
                        Log("[Page] 主页预设：每日整合包推荐")
                        Url = "https://pclsub.sodamc.com/"
                        GoTo Download
                    Case 5
                        Log("[Page] 主页预设：Minecraft 皮肤推荐")
                        Url = "https://forgepixel.com/pcl_sub_file"
                        GoTo Download
                    Case 6
                        Log("[Page] 主页预设：OpenBMCLAPI 仪表盘 Lite")
                        Url = "https://pcl-bmcl.milulu.xyz/"
                        GoTo Download
                    Case 7
                        Log("[Page] 主页预设：主页市场")
                        Url = "https://homepage-market.pages.dev/Custom.xaml"
                        GoTo Download
                    Case 8
                        Log("[Page] 主页预设：更新日志")
                        Url = "https://updatehomepage.pages.dev/UpdateHomepage.xaml"
                        GoTo Download
                    Case 9
                        Log("[Page] 主页预设：PCL 新功能说明书")
                        Url = "https://gitee.com/wforstbreeze/whats-new-pcl/raw/main/Custom.xaml"
                        GoTo Download
                    Case 10
                        Log("[Page] 主页预设：OpenMCIM Dashboard")
                        Url = "https://files.mcimirror.top/PCL"
                        GoTo Download
                End Select
        End Select
        RunInUi(Sub() LoadContent(Content))
    End Sub
    Private RefreshLock As New Object

    '联网获取自定义主页文件
    Private OnlineLoader As New LoaderTask(Of String, Integer)("自定义主页获取", AddressOf OnlineLoaderSub) With {.ReloadTimeout = 10 * 60 * 1000}
    Private Sub OnlineLoaderSub(Task As LoaderTask(Of String, Integer))
        Dim Address As String = Task.Input '#3721 中连续触发两次导致内容变化
        Try
            '获取版本校验地址
            Dim VersionAddress As String
            If Address.Contains(".xaml") Then
                VersionAddress = Address.Replace(".xaml", ".xaml.ini")
            Else
                VersionAddress = Address.Before("?")
                If Not VersionAddress.EndsWith("/") Then VersionAddress += "/"
                VersionAddress += "version"
                If Address.Contains("?") Then VersionAddress += Address.After("?")
            End If
            '校验版本
            Dim Version As String = ""
            Dim NeedDownload As Boolean = True
            Try
                Version = NetGetCodeByRequestOnce(VersionAddress, Timeout:=10000)
                If Version.Length > 1000 Then Throw New Exception($"获取的自定义主页版本过长（{Version.Length} 字符）")
                Dim CurrentVersion As String = Setup.Get("CacheSavedPageVersion")
                If Version <> "" AndAlso CurrentVersion <> "" AndAlso Version = CurrentVersion Then
                    Log($"[Page] 当前缓存的自定义主页已为最新，当前版本：{Version}，检查源：{VersionAddress}")
                    NeedDownload = False
                Else
                    Log($"[Page] 需要下载联网自定义主页，当前版本：{Version}，检查源：{VersionAddress}")
                End If
            Catch exx As Exception
                Log(exx, $"联网获取自定义主页版本失败", LogLevel.Developer)
                Log($"[Page] 无法检查联网自定义主页版本，将直接下载，检查源：{VersionAddress}")
            End Try
            '实际下载
            If NeedDownload Then
                Dim FileContent As String = NetGetCodeByRequestRetry(Address)
                Log($"[Page] 已联网下载自定义主页，内容长度：{FileContent.Length}，来源：{Address}")
                Setup.Set("CacheSavedPageUrl", Address)
                Setup.Set("CacheSavedPageVersion", Version)
                WriteFile(PathTemp & "Cache\Custom.xaml", FileContent)
            End If
            '要求刷新
            Refresh()
        Catch ex As Exception
            If Setup.Get("CacheSavedPageVersion") = "" Then
                Log(ex, $"联网下载自定义主页失败（{Address}）", LogLevel.Msgbox)
            Else
                Log(ex, $"联网下载自定义主页失败（{Address}）")
            End If
        End Try
    End Sub

    ''' <summary>
    ''' 立即强制刷新自定义主页。
    ''' 必须在 UI 线程调用。
    ''' </summary>
    Public Sub ForceRefresh()
        Log("[Page] 要求强制刷新自定义主页")
        ClearCache()
        '实际的刷新
        If FrmMain.PageCurrent.Page = FormMain.PageType.Launch Then
            PanBack.ScrollToHome()
            Refresh()
        Else
            FrmMain.PageChange(FormMain.PageType.Launch)
        End If
    End Sub

    ''' <summary>
    ''' 清空自定义主页缓存信息。
    ''' </summary>
    Private Sub ClearCache()
        LoadedContentHash = -1
        OnlineLoader.Input = ""
        Setup.Set("CacheSavedPageUrl", "")
        Setup.Set("CacheSavedPageVersion", "")
        Log("[Page] 已清空自定义主页缓存")
    End Sub

    ''' <summary>
    ''' 从文本内容中加载自定义主页。
    ''' 必须在 UI 线程调用。
    ''' </summary>
    Private Sub LoadContent(Content As String)
        SyncLock LoadContentLock
            '如果加载目标内容一致则不加载
            Dim Hash = Content.GetHashCode()
            If Hash = LoadedContentHash Then Exit Sub
            LoadedContentHash = Hash
            '实际加载内容
            PanCustom.Children.Clear()
            If String.IsNullOrWhiteSpace(Content) Then
                Log($"[Page] 实例化：清空自定义主页 UI，来源为空")
                Return
            End If
            Content = "<StackPanel xmlns=""http://schemas.microsoft.com/winfx/2006/xaml/presentation"" xmlns:x=""http://schemas.microsoft.com/winfx/2006/xaml"" xmlns:local=""clr-namespace:PCL;assembly=Plain Craft Launcher 2"">" & Content & "</StackPanel>"
            Content = HelpArgumentReplace(Content)
            Log($"[Page] 实例化：加载自定义主页 UI 开始，最终内容长度：{Content.Count}")
            Try
                PanCustom.Children.Add(GetObjectFromXML(Content))
            Catch ex As Exception
                Log("[Page] 加载失败的自定义主页内容：" & vbCrLf & Content)
                If MyMsgBox($"自定义主页内容编写有误，请根据下列错误信息进行检查：{vbCrLf}{ex.Message}", "加载自定义主页失败", "重试", "取消") = 1 Then
                    GoTo Refresh '防止 SyncLock 死锁
                End If
            End Try
            Log($"[Page] 实例化：加载自定义主页 UI 完成")
        End SyncLock
        Return
Refresh:
        ForceRefresh()
    End Sub
    Private LoadedContentHash As Integer = -1
    Private LoadContentLock As New Object

#End Region

End Class