using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Unity.Services.CloudSave;
using UnityEngine;

public static class Cloudsave
{
    #region Public Methods

    /// <summary>
    /// Menyimpan data bertipe class apapun ke Cloud Save dengan nama file tertentu.
    /// </summary>
    /// <param name="data">Objek data yang ingin disimpan.</param>
    /// <param name="fileName">Nama file untuk menyimpan data di cloud.</param>
    public static async Task SaveData(object data, string fileName)
    {
        try
        {
            Dictionary<string, object> dict = new()
            {
                { fileName, data }
            };
            await CloudSaveService.Instance.Data.Player.SaveAsync(dict);
        }
        catch (Exception e)
        {
            Debug.LogError($"Error saving data [{fileName}]: {e}");
        }
    }

    /// <summary>
    /// Memuat data dari Cloud Save dan mengembalikannya sebagai objek bertipe T.
    /// </summary>
    /// <typeparam name="T">Tipe data yang ingin dimuat.</typeparam>
    /// <param name="fileName">Nama file dari data di cloud.</param>
    /// <returns>Data bertipe T, atau default jika gagal.</returns>
    public static async Task<T> LoadData<T>(string fileName)
    {
        try
        {
            var data = await CloudSaveService.Instance.Data.Player.LoadAllAsync();
            if (data.ContainsKey(fileName))
            {
                T res = data[fileName].Value.GetAs<T>();
                return res;
            }
        }
        catch (Exception e)
        {
            Debug.LogError($"Error loading data [{fileName}]: {e}");
        }

        return default;
    }

    /// <summary>
    /// Memuat data dalam bentuk list dari Cloud Save berdasarkan nama file.
    /// </summary>
    /// <typeparam name="T">Tipe elemen dalam list.</typeparam>
    /// <param name="fileName">Nama file di cloud.</param>
    /// <returns>List data bertipe T, atau null jika gagal.</returns>
    public static async Task<List<T>> LoadListData<T>(string fileName)
    {
        try
        {
            var data = await CloudSaveService.Instance.Data.Player.LoadAllAsync();
            if (data.ContainsKey(fileName))
            {
                string json = data[fileName].Value.GetAsString();
                string wrappedJson = $"{{\"items\": {json}}}";
                List<T> res = JsonHelper.FromJson<T>(wrappedJson).ToList();
                return res;
            }
        }
        catch (Exception e)
        {
            Debug.LogError($"Error loading list data [{fileName}]: {e}");
        }

        return default;
    }

    /// <summary>
    /// Menghapus data dari Cloud Save berdasarkan nama file.
    /// </summary>
    /// <param name="fileName">Nama file dari data yang ingin dihapus.</param>
    public static async Task DeleteData(string fileName)
    {
        try
        {
            var cloudSaveData = await CloudSaveService.Instance.Data.Player.LoadAllAsync();
            if (cloudSaveData.ContainsKey(fileName))
            {
                await CloudSaveService.Instance.Data.Player.DeleteAsync(
                    fileName,
                    new Unity.Services.CloudSave.Models.Data.Player.DeleteOptions()
                );
            }
        }
        catch (Exception e)
        {
            Debug.LogError($"Error deleting data [{fileName}]: {e}");
        }
    }

    #endregion
}