BUTR/Bannerlord.BLSE

using Bannerlord.BUTR.Shared.Helpers;
using Bannerlord.LauncherEx.Helpers;
using Bannerlord.LauncherEx.Options;
using Bannerlord.LauncherEx.Patches;
using Bannerlord.LauncherEx.ResourceManagers;
using Bannerlord.LauncherEx.TPac;
using Bannerlord.LauncherEx.Widgets;
using Bannerlord.LauncherManager.Localization;

using HarmonyLib;

using System;
using System.IO;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Xml;

using TaleWorlds.Library;

[assembly: InternalsVisibleTo("Bannerlord.LauncherEx.Tests")]

// ReSharper disable once CheckNamespace
namespace Bannerlord.LauncherEx;

public static class Manager
{
    //internal static readonly AssemblyCompatibilityChecker _compatibilityChecker = new();
    private static readonly Harmony _launcherHarmony = new("Bannerlord.LauncherEx");

    public static event Action? OnDisable;

    public static string GetActiveLanguage() => ConfigReader.GetGameOptions(path => File.Exists(path) ? File.ReadAllBytes(path) : null).TryGetValue("Language", out var lang) ? lang : "English";

    public static void Initialize()
    {
        //AssemblyLoaderPatch.Enable(_launcherHarmony);
    }

    public static void Enable()
    {
        ProgramPatch.Enable(_launcherHarmony);
        UserDataManagerPatch.Enable(_launcherHarmony);
        LauncherVMPatch.Enable(_launcherHarmony);
        LauncherModsVMPatch.Enable(_launcherHarmony);
        LauncherConfirmStartVMPatch.Enable(_launcherHarmony);
        LauncherUIPatch.Enable(_launcherHarmony);
        ViewModelPatch.Enable(_launcherHarmony);
        WidgetPrefabPatch.Enable(_launcherHarmony);

        foreach (var language in typeof(Manager).Assembly.GetManifestResourceNames().Where(x => x.StartsWith("Bannerlord.LauncherEx.Resources.Localization") && x.EndsWith("strings.xml")))
            BUTRLocalizationManager.LoadLanguage(Load(language));
        BUTRLocalizationManager.ActiveLanguage = GetActiveLanguage();

        GraphicsContextManager.Enable(_launcherHarmony);
        GraphicsContextManager.CreateAndRegister("launcher_arrow_down", LoadStream("Bannerlord.LauncherEx.Resources.Textures.arrow_down.png"));
        GraphicsContextManager.CreateAndRegister("launcher_arrow_left", LoadStream("Bannerlord.LauncherEx.Resources.Textures.arrow_left.png"));
        GraphicsContextManager.CreateAndRegister("launcher_export", LoadStream("Bannerlord.LauncherEx.Resources.Textures.export.png"));
        GraphicsContextManager.CreateAndRegister("launcher_import", LoadStream("Bannerlord.LauncherEx.Resources.Textures.import.png"));
        GraphicsContextManager.CreateAndRegister("launcher_refresh", LoadStream("Bannerlord.LauncherEx.Resources.Textures.refresh.png"));
        GraphicsContextManager.CreateAndRegister("launcher_folder", LoadStream("Bannerlord.LauncherEx.Resources.Textures.folder.png"));
        GraphicsContextManager.CreateAndRegister("launcher_search", LoadStream("Bannerlord.LauncherEx.Resources.Textures.search.png"));
        GraphicsContextManager.CreateAndRegister("warm_overlay", LoadStream("Bannerlord.LauncherEx.Resources.Textures.warm_overlay.png"));

        SpriteDataManager.Enable(_launcherHarmony);
        SpriteDataManager.CreateAndRegister("launcher_arrow_down");
        SpriteDataManager.CreateAndRegister("launcher_arrow_left");
        SpriteDataManager.CreateAndRegister("launcher_import");
        SpriteDataManager.CreateAndRegister("launcher_export");
        SpriteDataManager.CreateAndRegister("launcher_refresh");
        SpriteDataManager.CreateAndRegister("launcher_folder");
        SpriteDataManager.CreateAndRegister("launcher_search");
        SpriteDataManager.CreateAndRegister("warm_overlay");

        var asset = new AssetPackage(Path.Combine(BasePath.Name, ModuleInfoHelper.ModulesFolder, "Native/AssetPackages/gauntlet_ui.tpac"));
        switch (BUTRLocalizationManager.ActiveLanguage)
        {
            case BUTRLocalizationManager.ChineseTraditional or BUTRLocalizationManager.ChineseSimple when asset.GetTexture("ui_fonts_1") is { } chinese:
                GraphicsContextManager.CreateAssetTextureAndRegister("simkai", chinese);
                SpriteDataManager.CreateGenericAndRegister("simkai");
                break;
            case BUTRLocalizationManager.Japanese when asset.GetTexture("ui_fonts_2") is { } japanese:
                GraphicsContextManager.CreateAssetTextureAndRegister("SourceHanSansJP", japanese);
                SpriteDataManager.CreateGenericAndRegister("SourceHanSansJP");
                break;
            case BUTRLocalizationManager.Korean when asset.GetTexture("ui_fonts_4") is { } korean:
                GraphicsContextManager.CreateAssetTextureAndRegister("NanumGothicKR", korean);
                SpriteDataManager.CreateGenericAndRegister("NanumGothicKR");
                break;
        }


        BrushFactoryManager.Enable(_launcherHarmony);
        BrushFactoryManager.CreateAndRegister(Load("Bannerlord.LauncherEx.Resources.Brushes.Launcher.xml"));

        WidgetFactoryManager.Enable(_launcherHarmony);
        WidgetFactoryManager.Register(typeof(LauncherToggleButtonWidget));
        WidgetFactoryManager.Register(typeof(LauncherSearchBoxWidget));

        WidgetFactoryManager.CreateAndRegister("Launcher.ToggleButton", Load("Bannerlord.LauncherEx.Resources.Prefabs.Widgets.Launcher.ToggleButton.xml"));
        WidgetFactoryManager.CreateAndRegister("Launcher.SearchBox", Load("Bannerlord.LauncherEx.Resources.Prefabs.Widgets.Launcher.SearchBox.xml"));
        WidgetFactoryManager.CreateAndRegister("Launcher.Scrollbar", Load("Bannerlord.LauncherEx.Resources.Prefabs.Widgets.Launcher.Scrollbar.xml"));

        WidgetFactoryManager.CreateAndRegister("Launcher.SettingsPropertyBoolView", Load("Bannerlord.LauncherEx.Resources.Prefabs.Properties.Launcher.SettingsPropertyBoolView.xml"));
        WidgetFactoryManager.CreateAndRegister("Launcher.SettingsPropertyButtonView", Load("Bannerlord.LauncherEx.Resources.Prefabs.Properties.Launcher.SettingsPropertyButtonView.xml"));
        WidgetFactoryManager.CreateAndRegister("Launcher.SettingsPropertyFloatView", Load("Bannerlord.LauncherEx.Resources.Prefabs.Properties.Launcher.SettingsPropertyFloatView.xml"));
        WidgetFactoryManager.CreateAndRegister("Launcher.SettingsPropertyIntView", Load("Bannerlord.LauncherEx.Resources.Prefabs.Properties.Launcher.SettingsPropertyIntView.xml"));
        WidgetFactoryManager.CreateAndRegister("Launcher.SettingsPropertyStringView", Load("Bannerlord.LauncherEx.Resources.Prefabs.Properties.Launcher.SettingsPropertyStringView.xml"));
        WidgetFactoryManager.CreateAndRegister("Launcher.Options", Load("Bannerlord.LauncherEx.Resources.Prefabs.Launcher.Options.xml"));
        WidgetFactoryManager.CreateAndRegister("Launcher.Options.OptionTuple", Load("Bannerlord.LauncherEx.Resources.Prefabs.Launcher.Options.OptionTuple.xml"));
        WidgetFactoryManager.CreateAndRegister("Launcher.Mods2", Load("Bannerlord.LauncherEx.Resources.Prefabs.Launcher.Mods.xml"));
        WidgetFactoryManager.CreateAndRegister("Launcher.Mods.ModuleTuple2", Load("Bannerlord.LauncherEx.Resources.Prefabs.Launcher.Mods.ModuleTuple.xml"));
        WidgetFactoryManager.CreateAndRegister("Launcher.Saves", Load("Bannerlord.LauncherEx.Resources.Prefabs.Launcher.Saves.xml"));
        WidgetFactoryManager.CreateAndRegister("Launcher.Saves.SaveTuple", Load("Bannerlord.LauncherEx.Resources.Prefabs.Launcher.Saves.SaveTuple.xml"));
        WidgetFactoryManager.CreateAndRegister("Launcher.MessageBox", Load("Bannerlord.LauncherEx.Resources.Prefabs.Launcher.MessageBox.xml"));

        FontFactoryManager.Enable(_launcherHarmony);
    }

    private static XmlDocument Load(string embedPath)
    {
        using var stream = typeof(Manager).Assembly.GetManifestResourceStream(embedPath);
        if (stream is null) throw new Exception($"Could not find embed resource '{embedPath}'!");
        using var xmlReader = XmlReader.Create(stream, new XmlReaderSettings { IgnoreComments = true });
        var doc = new XmlDocument();
        doc.Load(xmlReader);
        return doc;
    }
    private static Stream LoadStream(string embedPath)
    {
        return typeof(Manager).Assembly.GetManifestResourceStream(embedPath) ?? throw new Exception($"Could not find embed resource '{embedPath}'!");
    }

    public static void Disable()
    {
        OnDisable?.Invoke();
        //_compatibilityChecker.Dispose();
        GraphicsContextManager.Clear();
        SpriteDataManager.Clear();
        BrushFactoryManager.Clear();
        WidgetFactoryManager.Clear();
        BUTRLocalizationManager.Clear();
        _launcherHarmony.UnpatchAll(_launcherHarmony.Id);
    }

    public static LauncherExData CurrentSettingsSnapshot()
    {
        var path = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.Personal), "Mount and Blade II Bannerlord", "Configs", "LauncherData.xml");
        if (!File.Exists(path)) return new();

        return LauncherExData.FromUserDataXml(path) ?? new();
    }
}