using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using Variables;

public class GameManager : MonoBehaviour
{

    [SerializeField]
    private PlayerList m_PlayerList;

    [SerializeField]
    private GameObject m_playerPrefab;

    [SerializeField]
    private Reference<float> m_TimeLeft;

    [SerializeField]
    private Reference<float> m_TotalTime;

    [SerializeField,NaughtyAttributes.Scene]
    private string m_creditScene;

    private bool m_gameEndCalled;
    private Camera m_camera;

    private void OnEnable()
    {
        m_PlayerList.OnPlayerJoin += OnPlayerJoin;
    }

    private void OnDisable()
    {
        m_PlayerList.OnPlayerJoin -= OnPlayerJoin;
    }

    // Start is called before the first frame update
    void Start()
    {
        SetUpPlayers();
        m_camera = Camera.main;
        m_TimeLeft.Value = m_TotalTime;
    }

    private void Update()
    {
        m_TimeLeft.Value -= Time.deltaTime;

        if (m_TimeLeft < 0 && !m_gameEndCalled)
            OnGameEnd();

    }

    private void SetUpPlayers()
    {
        foreach (PlayerData data in m_PlayerList.AllPlayers)
        {
            SpawnPlayer(data);
        }
    }

    private void OnGameEnd()
    {
        m_gameEndCalled = true;
        UnityEngine.SceneManagement.SceneManager.LoadScene(m_creditScene);
    }

    private void SpawnPlayer(PlayerData data)
    {
        GameObject newPlayer = Instantiate(m_playerPrefab);

        data.Input.SwitchCurrentActionMap("Gameplay");

        foreach (InputBehaviour input in newPlayer.GetComponentsInChildren<InputBehaviour>())
            input.Initialise(data);

        newPlayer.GetComponentInChildren<PlayerVisuals>().Initalise(data);

        newPlayer.transform.position += Vector3.ProjectOnPlane(Random.insideUnitSphere, Vector3.up);
    }

    private void OnPlayerJoin(object sender, PlayerData data)
    {
        SpawnPlayer(data);
    }

}