using UnityEngine;
using UnityEngine.SceneManagement;
using Photon.Pun;
using Photon.Realtime;
using System.Collections;
using System.Collections.Generic;
using TMPro;

public class NetworkManager : MonoBehaviourPunCallbacks
{
    public List<string> maps = new List<string>();
    [SerializeField] private GameObject menuParent;
    [SerializeField] private GameObject preMatchLobbyParent;
    [SerializeField] private TMP_Text timerText;
    [SerializeField] private int minPlayers;
    string gameMode;
    float timer;
    bool timerOn;
    [HideInInspector] public bool connected;
    [HideInInspector] public bool backToMenu;

    void Awake()
    {
        PhotonNetwork.AutomaticallySyncScene = true;
    }

    void Start()
    {
        if(SceneManager.GetActiveScene().name == "MultiplayerMenu")
        {
            connected = false;
            menuParent.SetActive(true);
            preMatchLobbyParent.SetActive(false);
            timer = 6;
            timerText.gameObject.SetActive(false);
        }
    }

    void Update()
    {
        if(SceneManager.GetActiveScene().name == "MultiplayerMenu")
        {
            if(preMatchLobbyParent.activeSelf)
            {
                if (PhotonNetwork.PlayerList.Length >= minPlayers && connected)
                {
                    timerOn = true;
                }
                else
                {
                    timerOn = false;
                    timer = 6;
                }
                if (timerOn)
                {
                    timerText.gameObject.SetActive(true);
                    timer -= Time.deltaTime;
                    if (timer <= 0)
                    {
                        string sceneToLoad = maps[Random.Range(0, maps.Count)];
                        PhotonNetwork.LoadLevel(sceneToLoad);
                    }
                }
                timerText.text = timer.ToString("0");
            }
        }
    }

    public void Connect(string whichGameMode)
    {
        gameMode = whichGameMode;
        timer = 6;
        menuParent.SetActive(false);
        preMatchLobbyParent.SetActive(true);
        PhotonNetwork.ConnectUsingSettings();
    }

    public void Disconnect()
    {
        connected = false;
        StartCoroutine(WaitUntilDisconnect());
    }

    public override void OnConnectedToMaster()
    {
        PhotonNetwork.JoinLobby();
    }

    public override void OnJoinedLobby()
    {
        //ExitGames.Client.Photon.Hashtable expectedRoomProperties = new ExitGames.Client.Photon.Hashtable() { { gameMode, 1 } };
        //PhotonNetwork.JoinRandomRoom(expectedRoomProperties, 5);
        PhotonNetwork.JoinRandomRoom();
    }

    public override void OnJoinRandomFailed(short returnCode, string message)
    {
        //string[] roomProperties = { gameMode };
        //RoomOptions roomOptions = new RoomOptions();
        //roomOptions.CustomRoomPropertiesForLobby = roomProperties;
        //roomOptions.MaxPlayers = 5;
        //PhotonNetwork.CreateRoom(null, roomOptions, null);
        PhotonNetwork.CreateRoom(null);
    }

    public override void OnJoinedRoom()
    {
        connected = true;
    }

    public override void OnDisconnected(DisconnectCause cause)
    {
        if(SceneManager.GetActiveScene().name == "MultiplayerMenu")
        {
            preMatchLobbyParent.SetActive(false);
            menuParent.SetActive(true);
            backToMenu = true;
        }
    }

    IEnumerator WaitUntilDisconnect()
    {
        yield return new WaitForSeconds(0.1f);
        PhotonNetwork.Disconnect();
    }
}