@page "/Settings/Tools"
@using Hangfire
@using LANCommander.Helpers
@using LANCommander.Server.Jobs.Background
@using LANCommander.Server.Services.Exceptions
@using ZiggyCreatures.Caching.Fusion
@inject ArchiveService ArchiveService
@inject PageService PageService
@inject UpdateService UpdateService
@inject StorageLocationService StorageLocationService
@inject IMessageService MessageService
@inject IFusionCache FusionCache
@inject ILogger<Index> Logger
@attribute [Authorize(Roles = RoleService.AdministratorRoleName)]

<PageHeader Title="Tools" />

<PageContent>
    <h3>Recalculate File Sizes</h3>
    <p>
        Some file sizes are cached in the database. Click the button below to scan through all files and recalculate their size.
    </p>
    <Button Type="ButtonType.Primary" OnClick="RecalculateFileSizes" Loading="RecalculatingFileSizes">Recalculate</Button>

    <Divider />

    <h3>Clear Cache</h3>
    <p>
        A cached list of games is sent to the clients on import. Click the button below to bust this cache if you don't see your changes.
    </p>
    <Button Type="ButtonType.Primary" OnClick="ClearCache">Clear Cache</Button>

    <Divider />

    <h3>Download Clients</h3>
    <p>Check for any client releases for the current version and download them to this server.</p>
    <Button Type="ButtonType.Primary" OnClick="DownloadLaunchers" Loading="DownloadingLaunchers">Download</Button>

    <Divider />

    <h3>Missing Archives</h3>
    <p>List and fix all archives that are missing their backing files.</p>
    <a href="/Settings/Tools/MissingArchives" class="ant-btn ant-btn-primary">View Missing Archives</a>

    <Divider />

    <h3>Orphaned Files</h3>
    <p>Find and delete any files that don't exist in the database and may be taking up unnecessary disk space.</p>
    <a href="/Settings/Tools/OrphanedFiles" class="ant-btn ant-btn-primary">View Orphaned Files</a>

    <Divider />

    <h3>Active Sessions</h3>
    <p>List and delete any active user play sessions.</p>
    <a href="/Settings/Tools/ActiveSessions" class="ant-btn ant-btn-primary">View Active Sessions</a>

    <Divider />

    <h3>Regenerate Page Routes</h3>
    <p>Fix any page routes that seem to be out of date or corrupt.</p>
    <Button Type="ButtonType.Primary" OnClick="FixPageRoutes" Loading="FixingPageRoutes">Fix Routes</Button>

    <Divider />

    <h3>Regenerate Thumbnails</h3>
    <p>Clear out the existing thumbnail cache and generate replacements.</p>
    <Button Type="ButtonType.Primary" OnClick="RegenerateThumbnails" Loading="RegeneratingThumbnails">Regenerate</Button>
</PageContent>

@code {
    bool RecalculatingFileSizes = false;
    bool DownloadingLaunchers = false;
    bool FixingPageRoutes = false;
    bool RegeneratingThumbnails = false;

    async Task RecalculateFileSizes()
    {
        RecalculatingFileSizes = true;
        
        await Task.Yield();
        await InvokeAsync(StateHasChanged);
        
        var archives = await ArchiveService.AsNoTracking().GetAsync();

        var results = new List<bool>();

        foreach (var archive in archives)
        {
            var result = await ArchiveService.RecalculateFileSizeArchiveAsync(archive);
            results.Add(result);
        }

        if (results.All(x => x))
            MessageService.Success("File sizes recalculated!");
        else
            MessageService.Warning("File sizes recalculated but some failed!");

        RecalculatingFileSizes = false;
        
        await Task.Yield();
        await InvokeAsync(StateHasChanged);
    }

    async Task ClearCache()
    {
        await FusionCache.RemoveByTagAsync("Games");
        await FusionCache.RemoveByTagAsync("Depot");
        await FusionCache.RemoveByTagAsync("Library");
        await FusionCache.RemoveByTagAsync("Archives");

        MessageService.Success("Cache cleared!");
    }

    async Task DownloadLaunchers()
    {
        DownloadingLaunchers = true;
        
        await Task.Yield();
        await InvokeAsync(StateHasChanged);

        try
        {
            await UpdateService.DownloadLatestLauncherReleaseAsync();

            MessageService.Success("Launchers downloaded!");
        }
        catch (ReleaseNotFoundException ex)
        {
            MessageService.Error($"Launchers could not be downloaded, unknown release {ex.Version}");
        }
        catch (Exception ex)
        {
            Logger?.LogError(ex, "An unknown error occurred while trying to download launchers");
            MessageService.Error("An unknown error occurred");
        }

        DownloadingLaunchers = false;
        
        await Task.Yield();
        await InvokeAsync(StateHasChanged);
    }

    async Task FixPageRoutes()
    {
        FixingPageRoutes = true;

        await Task.Yield();
        await InvokeAsync(StateHasChanged);

        try
        {
            await PageService.FixRoutesAsync();

            MessageService.Success("Routes fixed!");
        }
        catch (Exception ex)
        {
            MessageService.Error("Could not fix all routes!");
        }

        FixingPageRoutes = false;
        
        await Task.Yield();
        await InvokeAsync(StateHasChanged);
    }

    async Task RegenerateThumbnails()
    {
        RegeneratingThumbnails = true;
        
        await Task.Yield();
        await InvokeAsync(StateHasChanged);
        
        var storageLocations = await StorageLocationService.GetAsync();

        foreach (var storageLocation in storageLocations.Where(l => l.Type == SDK.Enums.StorageLocationType.Media))
        {
            var thumbnailFiles = Directory.GetFiles(storageLocation.Path).Where(f => f.EndsWith(".Thumb"));

            foreach (var thumbnailFile in thumbnailFiles)
                FileHelpers.DeleteIfExists(thumbnailFile);
        }
        
        BackgroundJob.Enqueue<GenerateThumbnailsJob>(x => x.ExecuteAsync());
        
        RegeneratingThumbnails = false;
        
        await Task.Yield();
        await InvokeAsync(StateHasChanged);

        MessageService.Success("Cache has been cleared and is being regenerated in the background");
    }
}