using System;
using System.Collections.Generic;
using System.IO;
using System.Runtime.Versioning;
using Avalonia.Platform;
using StabilityMatrix.Avalonia.Models;
using StabilityMatrix.Core.Helper;

namespace StabilityMatrix.Avalonia;

internal static class Assets
{
    public static AvaloniaResource AppIcon { get; } =
        new("avares://StabilityMatrix.Avalonia/Assets/Icon.ico");
    
    public static AvaloniaResource AppIconPng { get; } =
        new("avares://StabilityMatrix.Avalonia/Assets/Icon.png");
    
    /// <summary>
    /// Fixed image for models with no images.
    /// </summary>
    public static Uri NoImage { get; } =
        new("avares://StabilityMatrix.Avalonia/Assets/noimage.png");
    
    public static AvaloniaResource LicensesJson => new(
        "avares://StabilityMatrix.Avalonia/Assets/licenses.json");
    
    public static AvaloniaResource ImagePromptLanguageJson => new(
        "avares://StabilityMatrix.Avalonia/Assets/ImagePrompt.tmLanguage.json");
    
    public static AvaloniaResource ThemeMatrixDarkJson => 
        new("avares://StabilityMatrix.Avalonia/Assets/ThemeMatrixDark.json");

    private const UnixFileMode unix755 = UnixFileMode.UserRead | UnixFileMode.UserWrite |
        UnixFileMode.UserExecute | UnixFileMode.GroupRead |
        UnixFileMode.GroupExecute | UnixFileMode.OtherRead |
        UnixFileMode.OtherExecute;

    [SupportedOSPlatform("windows")]
    [SupportedOSPlatform("linux")]
    [SupportedOSPlatform("macos")]
    public static AvaloniaResource SevenZipExecutable => Compat.Switch(
        (PlatformKind.Windows,
            new AvaloniaResource("avares://StabilityMatrix.Avalonia/Assets/win-x64/7za.exe")),
        (PlatformKind.Linux | PlatformKind.X64,
            new AvaloniaResource("avares://StabilityMatrix.Avalonia/Assets/linux-x64/7zzs", unix755)),
        (PlatformKind.MacOS | PlatformKind.Arm,
            new AvaloniaResource("avares://StabilityMatrix.Avalonia/Assets/macos-arm64/7zz", unix755)));
    
    [SupportedOSPlatform("windows")]
    [SupportedOSPlatform("linux")]
    [SupportedOSPlatform("macos")]
    public static AvaloniaResource SevenZipLicense => Compat.Switch(
        (PlatformKind.Windows, new AvaloniaResource("avares://StabilityMatrix.Avalonia/Assets/win-x64/7za - LICENSE.txt")),
        (PlatformKind.Linux | PlatformKind.X64, new AvaloniaResource("avares://StabilityMatrix.Avalonia/Assets/linux-x64/7zzs - LICENSE.txt")),
        (PlatformKind.MacOS | PlatformKind.Arm, new AvaloniaResource("avares://StabilityMatrix.Avalonia/Assets/macos-arm64/7zz - LICENSE.txt")));

    public static AvaloniaResource PyScriptSiteCustomize => new(
        "avares://StabilityMatrix.Avalonia/Assets/sitecustomize.py");
    
    [SupportedOSPlatform("windows")]
    public static AvaloniaResource PyScriptGetPip => new(
            "avares://StabilityMatrix.Avalonia/Assets/win-x64/get-pip.pyc");
    
    [SupportedOSPlatform("windows")]
    public static IEnumerable<(AvaloniaResource resource, string relativePath)> PyModuleVenv => 
        FindAssets("win-x64/venv/");
    
    [SupportedOSPlatform("windows")]
    [SupportedOSPlatform("linux")]
    [SupportedOSPlatform("macos")]
    public static RemoteResource PythonDownloadUrl => Compat.Switch(
        (PlatformKind.Windows | PlatformKind.X64, new RemoteResource(
            new Uri("https://www.python.org/ftp/python/3.10.11/python-3.10.11-embed-amd64.zip"), 
            "608619f8619075629c9c69f361352a0da6ed7e62f83a0e19c63e0ea32eb7629d")),
        (PlatformKind.Linux | PlatformKind.X64, new RemoteResource(
            new Uri("https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.10.11+20230507-x86_64-unknown-linux-gnu-install_only.tar.gz"),
            "c5bcaac91bc80bfc29cf510669ecad12d506035ecb3ad85ef213416d54aecd79")),
        (PlatformKind.MacOS | PlatformKind.Arm, new RemoteResource(
            new Uri("https://github.com/indygreg/python-build-standalone/releases/download/20230507/cpython-3.10.11+20230507-aarch64-apple-darwin-install_only.tar.gz"),
            "8348bc3c2311f94ec63751fb71bd0108174be1c4def002773cf519ee1506f96f")));
    
    public static Uri DiscordServerUrl { get; } =
        new("https://discord.com/invite/TUrgfECxHz"); 
    
    public static Uri PatreonUrl { get; } =
        new("https://patreon.com/StabilityMatrix");
    
    /// <summary>
    /// Yield AvaloniaResources given a relative directory path within the 'Assets' folder.
    /// </summary>
    public static IEnumerable<(AvaloniaResource resource, string relativePath)> FindAssets(string relativeAssetPath)
    {
        var baseUri = new Uri("avares://StabilityMatrix.Avalonia/Assets/");
        var targetUri = new Uri(baseUri, relativeAssetPath);
        var files = AssetLoader.GetAssets(targetUri, null);
        foreach (var file in files)
        {
            yield return (new AvaloniaResource(file), targetUri.MakeRelativeUri(file).ToString());
        }
    }
}