using UnityEngine;
using PlayFab;
using PlayFab.ClientModels;
using System.Collections.Generic;
using Google.Impl;

public class PlayerPrefsSyncManager : MonoBehaviour
{
    private static PlayerPrefsSyncManager instance;
    private void OnApplicationQuit()
    {
        SyncPlayerPrefsToPlayFabOnQuit();
    }
    private void OnApplicationPause()
    {
        SyncPlayerPrefsToPlayFabOnQuit();
    }

    void Awake()
    {
        // Make this object persistent across scenes
        if (instance == null)
        {
            instance = this;
            DontDestroyOnLoad(this.gameObject);
            Application.quitting += SyncPlayerPrefsToPlayFabOnQuit;
        }
        else
        {
            Destroy(gameObject);
        }
    }

    private void SyncPlayerPrefsToPlayFabOnQuit()
    {
        var keys = PlayerPrefsKeys.GetAllKeys();
        if (keys.Count == 0)
        {
            Debug.Log("No PlayerPrefs keys registered, skipping sync.");
            return;
        }

        Dictionary<string, string> allPrefs = new Dictionary<string, string>();

        foreach (var key in keys)
        {
            string value = PlayerPrefs.GetString(key);
            allPrefs[key] = value;
        }

        var request = new UpdateUserDataRequest
        {
            Data = allPrefs
        };

        PlayFabClientAPI.UpdateUserData(request,
            result => Debug.Log("✅ Synced PlayerPrefs to PlayFab on quit."),
            error => Debug.LogError("❌ Failed to sync PlayerPrefs on quit: " + error.GenerateErrorReport()));
    }
}