using System.Collections;                                                                           //Unity
using System.Collections.Generic;                                                                   //Unity
using UnityEngine;                                                                                  //UnityEngine namespace

public class Enemy : MonoBehaviour
{
    [SerializeField] Sprite[] SpriteType;                                                           //Create array field called "enemyType" to assign the enemy sprite
    [SerializeField] Vector3 destination = new Vector3(5.0f, 5.0f, 0f);                             //Create a point that the enemy will move to
    [SerializeField] float enemySpeed = 1f;                                                         //Set the enemy movement speed
    [SerializeField] AudioClip VictorySound;
    int EnemyType;
    Player Player;


    private void Start()
    {
        int EnemyType = Random.Range(0, 3);                                                         //Choose random integer in range to assign as enemy type between 0 and 2
        GetComponent<SpriteRenderer>().sprite = SpriteType[EnemyType];                              //Set the sprite as the integer value of EnemyType
    }



    void Update()                                                                                   //Run per frame
    {

        var speedPerFrame = enemySpeed * Time.deltaTime;                                            //Set the speed per frame by multiplying the enemy speed by delta time
        transform.position = Vector2.MoveTowards(transform.position, destination, speedPerFrame);   //Make the enemy move towards something
    }

    private void OnTriggerEnter2D(Collider2D Other)                                                 //When the enemy collides with the player
    {
        if (Other.gameObject.name == "Player")                                                      //If the other game object is the player
        {
            int playerValue = Other.GetComponent<Player>().ReadPlayerValue();                       //Get player value from Player method "ReadPlayerValue"
            if ((EnemyType == 0) && ((playerValue == 0) || (playerValue == 1)))                     //If Enemy is paper, and player is paper or rock
            {
                FindObjectOfType<GameSystem>().endGame();                                           //End game
            }
            if ((EnemyType == 1) && ((playerValue == 1) || (playerValue == 2)))                     //If enemy is rock, and player is rock or scissors
            {
                FindObjectOfType<GameSystem>().endGame();                                           //End game
            }
            if ((EnemyType == 2) && ((playerValue == 2) || (playerValue == 0)))                     //If enemy is scissor, and player is scissor or paper
            {
                FindObjectOfType<GameSystem>().endGame();                                           //End game
            }
            else
            {
                AudioSource.PlayClipAtPoint(VictorySound, Camera.main.transform.position);          //Play sound effect at location
                Destroy(gameObject);                                                                //Destroy enemy
            }
        }
    }




}