@using System.Collections
@inject UpdateService UpdateService
@inject NavigationManager NavigationManager

<div class="login-download-pane-container">
    <Popover Trigger="new[] { Trigger.Hover }">
        <ContentTemplate>
            <Flex Vertical Gap="FlexGap.Small">
                @foreach (var downloadLink in DownloadLinks)
                {
                    <Button
                        Type="ButtonType.Text"
                        Block
                        Icon="@downloadLink.Icon"
                        OnClick="() => NavigationManager.NavigateTo(downloadLink.Url)"
                        Style="text-align: left">
                        @downloadLink.Name
                        
                        @foreach (var tag in downloadLink.Tags)
                        {
                            <Tag Color="TagColor.Green">@tag</Tag>
                        }
                    </Button>
                }
            </Flex>
        </ContentTemplate>
        <ChildContent>
            <Button Type="ButtonType.Primary" Size="ButtonSize.Large">
                Download Launcher
            </Button>
        </ChildContent>
    </Popover>
</div>

@code {
    class DownloadLink
    {
        public string Name { get; set; }
        public string Url { get; set; }
        public string Icon { get; set; }
        public string[] Tags { get; set; }
    }

    IEnumerable<DownloadLink> DownloadLinks = new List<DownloadLink>();

    readonly Hashtable _iconMap = new()
    {
        [LauncherPlatform.Windows] = IconType.Fill.Windows,
        [LauncherPlatform.Linux] = IconType.Outline.Qq, // Not Linux, but QQ penguin
        [LauncherPlatform.macOS] = IconType.Fill.Apple,
    };

    protected override async Task OnInitializedAsync()
    {
        var artifacts = await UpdateService.GetLauncherArtifactsAsync();

        DownloadLinks = artifacts
            .OrderBy(a => a.Platform)
            .ThenBy(a => a.Architecture)
            .Select(a =>
            {
                var tags = new List<string>();

                if (artifacts.Count(art => art.Platform == a.Platform && art.Architecture == a.Architecture) > 1)
                {
                    if (a.Url.ToLower().EndsWith(".exe"))
                        tags.Add("exe");
                    else if (a.Url.ToLower().EndsWith(".zip"))
                        tags.Add("zip");
                }
                
                return new DownloadLink
                {
                    Name = $"{a.Platform} ({a.Architecture})",
                    Icon = _iconMap[a.Platform].ToString(),
                    Url = a.Url,
                    Tags = tags.ToArray()
                };
            });
    }
}