#nullable enable

using System.IO;
using Cysharp.Threading.Tasks;
using ShrinkSDK.Runtime;

namespace ShrinkDataSaver;

public sealed class ShrinkDataSaverRuntimeConfig
{
    public string? RootPath { get; set; }
    public string SaveFileExtension { get; set; } = ".sav";
    public string SettingsFileName { get; set; } = "settings.json";
    public int CurrentSaveVersion { get; set; } = 1;
    public int MaxSlots { get; set; } = 3;
    public float SettingsWriteDebounceSeconds { get; set; } = 0.35f;
    public bool DontDestroyOnLoadDriver { get; set; }
}

public static class ShrinkDataSaverRuntime
{
    public static bool IsInitialized { get; private set; }

    public static void Initialize(ShrinkDataSaverRuntimeConfig? config = null)
    {
        if (IsInitialized) return;
        config ??= new ShrinkDataSaverRuntimeConfig();
        var root = string.IsNullOrWhiteSpace(config.RootPath)
            ? ShrinkRuntimeServices.Paths.PersistentDataPath
            : config.RootPath!;
        Directory.CreateDirectory(root);
        var storage = new LocalStorageProvider(root);
        ShrinkDataSaverPlatform.SettingsWriteDebounceSeconds = config.SettingsWriteDebounceSeconds;
        ShrinkDataSaverPlatform.MaxSlots = config.MaxSlots;
        ShrinkSettings.Initialize(storage, Path.Combine(root, config.SettingsFileName));
        ShrinkSave.Initialize(storage, Path.Combine(root, "saves"), config.SaveFileExtension,
            config.CurrentSaveVersion);
        ShrinkSettings.LoadAsync().Forget();
        IsInitialized = true;
        ShrinkRuntimeServices.Logger.Log(ShrinkLogLevel.Information,
            $"[ShrinkDataSaver] Runtime initialized. Root: {root}");
    }
}