using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Runtime.InteropServices;
using System.Runtime.Serialization.Formatters.Binary;
using UnityEngine;

public class Manager {

	[DllImport("__Internal")]
	private static extern void SyncFiles();

	[DllImport("__Internal")]
	private static extern void WindowAlert(string message);

	public static PlayerStatistics playerStatistics = Load();


	public static void Save(PlayerStatistics playerStatistics) {
		string dataPath = string.Format("{0}/PlayerStatistics.dat", Application.persistentDataPath);
		BinaryFormatter binaryFormatter = new BinaryFormatter();
		FileStream fileStream;

		try {
			if (File.Exists(dataPath)) {
				File.WriteAllText(dataPath, string.Empty);
				fileStream = File.Open(dataPath, FileMode.Open);
			} else {
				fileStream = File.Create(dataPath);
			}

			binaryFormatter.Serialize(fileStream, playerStatistics);
			fileStream.Close();

			if (Application.platform == RuntimePlatform.WebGLPlayer) {
				SyncFiles();
			}
		} catch (Exception e) {
			PlatformSafeMessage("Failed to Save: " + e.Message);
		}
	}

	public static PlayerStatistics Load() {
		PlayerStatistics playerStatistics = null;
		string dataPath = string.Format("{0}/PlayerStatistics.dat", Application.persistentDataPath);

		try {
			if (File.Exists(dataPath)) {
				BinaryFormatter binaryFormatter = new BinaryFormatter();
				FileStream fileStream = File.Open(dataPath, FileMode.Open);

				playerStatistics = (PlayerStatistics)binaryFormatter.Deserialize(fileStream);
				fileStream.Close();
			} else {
				playerStatistics = new PlayerStatistics();
			}
		} catch (Exception e) {
			PlatformSafeMessage("Failed to Load: " + e.Message);
		}

		return playerStatistics;
	}

	private static void PlatformSafeMessage(string message) {
		if (Application.platform == RuntimePlatform.WebGLPlayer) {
			WindowAlert(message);
		} else {
			Debug.Log(message);
		}
	}

}