using System;
using System.IO;
using System.Threading.Tasks;
using NitroxModel.Discovery.Models;
using NitroxModel.Helper;
using NitroxModel.Platforms.OS.Shared;
using NitroxModel.Platforms.Store.Interfaces;

namespace NitroxModel.Platforms.Store;

public sealed class EpicGames : IGamePlatform
{
    public string Name => "Epic Games Store";
    public Platform Platform => Platform.EPIC;

    public bool OwnsGame(string gameDirectory)
    {
        string path = Path.Combine(gameDirectory, ".egstore");
        return Directory.Exists(path) && Directory.GetFiles(path).Length > 1;
    }

    public async Task<ProcessEx> StartPlatformAsync()
    {
        await Task.CompletedTask; // Suppresses async-without-await warning - can be removed.
        throw new NotImplementedException(); // Not necessary to implement unless EGS gets a game SDK and respective game integrates it.
    }

    public string GetExeFile()
    {
        throw new NotImplementedException();
    }

    public async Task<ProcessEx> StartGameAsync(string pathToGameExe, string launchArguments)
    {
        // Normally should call StartPlatformAsync first. But Subnautica will start without EGS.
        return await Task.FromResult(
            ProcessEx.Start(
                pathToGameExe,
                [(NitroxUser.LAUNCHER_PATH_ENV_KEY, NitroxUser.LauncherPath)],
                Path.GetDirectoryName(pathToGameExe),
                $"-EpicPortal {launchArguments}")
        );
    }
}