using System;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.Extensions.DependencyInjection;
using Wabbajack.DTOs.JsonConverters;
using Wabbajack.Paths;
using Wabbajack.Paths.IO;
using Xunit;

namespace Wabbajack.Installer.Test;

public class StandardInstallerTest
{
    private readonly TemporaryFileManager _manager;
    private readonly AbsolutePath _modList;
    private readonly IServiceProvider _provider;
    private readonly DTOSerializer _serializer;

    public StandardInstallerTest(IServiceProvider provider, DTOSerializer serializer, TemporaryFileManager manager)
    {
        _provider = provider;
        _serializer = serializer;
        _modList = "TestData/MO2AndSKSETest.wabbajack".ToRelativePath().RelativeTo(KnownFolders.EntryPoint);
        _manager = manager;
    }

    [Fact]
    public async Task CanLoadModlistDefinition()
    {
        var modlist = await StandardInstaller.LoadFromFile(_serializer, _modList);
        Assert.Equal("MO2AndSKSETest", modlist.Name);
    }

    [Fact]
    public async Task CanInstallAList()
    {
        var modlist = await StandardInstaller.LoadFromFile(_serializer, _modList);
        using var scope = _provider.CreateScope();
        var config = _provider.GetService<InstallerConfiguration>()!;
        await using var installFolder = _manager.CreateFolder();
        config.Install = installFolder;
        config.Downloads = config.Install.Combine("downloads");
        config.ModlistArchive = _modList;
        config.ModList = modlist;
        config.Game = modlist.GameType;
        config.SystemParameters = new SystemParameters
        {
            ScreenWidth = 1920,
            ScreenHeight = 1080,
            SystemMemorySize = 8L * 1024 * 1024 * 1024,
            SystemPageSize = 8L * 1024 * 1024 * 1024,
            VideoMemorySize = 8L * 1024 * 1024 * 1024
        };

        var installer = _provider.GetService<StandardInstaller>();
        Assert.True(await installer.Begin(CancellationToken.None));

        Assert.True("ModOrganizer.exe".ToRelativePath().RelativeTo(installFolder).FileExists());
    }
}