using Com.LuisPedroFonseca.ProCamera2D;
using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.SceneManagement;

public class PortalController : MonoBehaviour {

    // If transports to same-scene, specify otherPortal.
    [SerializeField] public PortalController otherPortal;

    // If transports to another scene, specify otherScene and otherScenePortalIndex.
    [SerializeField] public MapID otherScene;
    [SerializeField] public int otherScenePortalIndex;

    private PortalRegistryController registry;

    private Transform player;

    public bool isPlayerInRange;

    private void Awake() {
        player = GameObject.FindGameObjectWithTag("Player").transform;
        registry = GameObject.FindGameObjectWithTag("PortalRegistry").GetComponent<PortalRegistryController>();
    }

    // Start is called before the first frame update
    void Start()
    {
        isPlayerInRange = false;
    }

    // Update is called once per frame
    void Update()
    {
        if (Input.GetButtonDown("Teleport") && isPlayerInRange) {
            if (otherPortal) {
                Debug.Log("Player used portal for " + otherScene.ToString());
                player.position = otherPortal.transform.position;
            } else {
                Debug.Log("Player used portal for " + otherScene.ToString());
                State.state.locationHistory.history.Push(new Location(
                    (MapID)Enum.Parse(typeof(MapID), SceneManager.GetActiveScene().name), otherScenePortalIndex));
                // The other scene's portal index will be loaded by the Player at load time.
                SceneManager.LoadScene(otherScene.ToString());
            }
        }
    }

    private void OnTriggerEnter2D(Collider2D collision) {
        if (collision.gameObject.CompareTag("Player")) {
            Debug.Log("Player entered portal range");
            isPlayerInRange = true;
        }
    }

    private void OnTriggerExit2D(Collider2D collision) {
        if (collision.gameObject.CompareTag("Player")) {
            Debug.Log("Player exited portal range");
            isPlayerInRange = false;
        }
    }
}