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

public class DoorController : MonoBehaviour
{
    [SerializeField] ItemType key; //The type of item to be used as the doors 'key'
    [SerializeField] bool isLocked = false; //Whether or not the door is locked. If false, we dont search our inventory for the key
    [SerializeField] Vector3 closedRotation; //Rotation that the door should sit at when closed
    [SerializeField] Vector3 openRotation; //Rotation that the door should sit at when open
    [SerializeField] float rotateSpeed = 1.0f; //The speed that the door will swing between rotations

    [SerializeField] GameObject doorHinge; //A reference to the empty GameObject that stores our door. We rotate this so that we can control the pivot par.

    bool isOpen = false; //Whether or not the door is open

    //Upate is called once per frame
    private void Update()
    {
        //If the door should be open...
        if (isOpen)
        {
            //Test to see if our hinges rotaion is equal to our desired open rotation
            if (doorHinge.transform.rotation != Quaternion.Euler(openRotation))
            {
                //If not, then use the Quaternion.RotateTowards method to rotate the door.
                doorHinge.transform.rotation = Quaternion.RotateTowards(doorHinge.transform.rotation, Quaternion.Euler(openRotation), rotateSpeed);
            }
        }
        //If the door should not open, then rotate towards the closed rotation
        else
        {
            if (doorHinge.transform.rotation != Quaternion.Euler(closedRotation))
            {
                doorHinge.transform.rotation = Quaternion.RotateTowards(doorHinge.transform.rotation, Quaternion.Euler(closedRotation), rotateSpeed);
            }
        }
    }

    //This method is called automatically every frame when there is another collider inside our trigger
    private void OnTriggerStay(Collider other)
    {
        //If the other collider is tagged with "Player"
        if (other.tag == "Player")

        {
            //If the player presses soace
            if (Input.GetKeyDown(KeyCode.Space))
            {
                //If either the door is unlocked OR if the player has the key in their inventory
                if ((isLocked == false) || (Inventory.Instance.SearchItem(key)))
                {
                    //Set 'isOpen' to the opposite of what it was before
                    isOpen = !isOpen;
                }
            }
        }
    }
}