using System.Collections;
using System.Collections.Generic;
using System.Security.Cryptography;
using UnityEngine;

public class BossBehavior : MonoBehaviour
{

    [SerializeField] private float _moveDownSpeed;
    [SerializeField] private float _backUpSpeed = 0;


    [SerializeField] private bool _canBossMoveDown;
    [SerializeField] private bool _fiveHits;
    [SerializeField] private bool _tenHits;


    [SerializeField] private GameObject _laserSpread1, _laserSpread2, _laserSpread3, _laserSpread4, _laserSpread5;
    [SerializeField] private GameObject _laser1, _laser2, _laser3, _laser4, _laser5;

    [SerializeField] private List<int> _countHits = new List<int>();

    // Start is called before the first frame update
    void Start()
    {
        _moveDownSpeed = 1;

        transform.position = new Vector3(0, 10, 0);
        _canBossMoveDown = true;
        InvokeRepeating("BossShooting", 2.0f, 1);


    }

    // Update is called once per frame
    void Update()
    {
        StartBossAIMovement();
        BossMovesAfterFiveHits();
        BossMovesAfterTenHits();
    }

    private void StartBossAIMovement()
    {
        if (_canBossMoveDown == true)
        {
            transform.Translate(Vector3.down * _moveDownSpeed * Time.deltaTime);
        }

        if (transform.position.y <= 3.5f)
        {
            _canBossMoveDown = false;
        }
    }

    private void BossMovesAfterFiveHits()
    {
        if (_countHits.Count == 5)
        {
            _fiveHits = true;
            transform.Translate(Vector3.up * _backUpSpeed * Time.deltaTime);
        }

        if (transform.position.y >= 10 && _fiveHits == true)
        {
            _backUpSpeed = 0;
            transform.position = new Vector3(-5, 10, 0);
            transform.Translate(Vector3.down * _moveDownSpeed * Time.deltaTime);
        }
    }

    private void BossMovesAfterTenHits()
    {
        if (_countHits.Count == 10)
        {
            _fiveHits = false;
            _tenHits = true;
            _canBossMoveDown = true;
            _backUpSpeed = 5;
            transform.Translate(Vector3.up * _backUpSpeed * Time.deltaTime);
        }

        if (transform.position.y >= 10 && _tenHits == true)
        {
            _backUpSpeed = 0;
            transform.position = new Vector3(5, 10, 0);
            transform.Translate(Vector3.down * _moveDownSpeed * Time.deltaTime);
        }
    }


    private void BossLaserSpread()
    {
        GameObject newLaserSpread1 = Instantiate(_laserSpread1, transform.position, Quaternion.identity);
        newLaserSpread1.transform.eulerAngles = new Vector3(0, 0, 10.0f);

        GameObject newLaserSpread2 = Instantiate(_laserSpread2, transform.position, Quaternion.identity);
        newLaserSpread2.transform.eulerAngles = new Vector3(0, 0, -10.0f);

        GameObject newLaserSpread3 = Instantiate(_laserSpread3, transform.position, Quaternion.identity);
        newLaserSpread3.transform.eulerAngles = new Vector3(0, 0, 20.0f);

        GameObject newLaserSpread4 = Instantiate(_laserSpread4, transform.position, Quaternion.identity);
        newLaserSpread4.transform.eulerAngles = new Vector3(0, 0, -20.0f);

        Instantiate(_laserSpread5, transform.position, Quaternion.identity);

    }

    private void BossShooting()
    {
        int _randomNumber = Random.Range(0, 5);
        switch (_randomNumber)
        {
            case 0:
                Instantiate(_laser1, new Vector3(transform.position.x + -2.23f, transform.position.y + -1.5f, 0), Quaternion.identity);
                break;
            case 1:
                Instantiate(_laser2, new Vector3(transform.position.x + 2.23f, transform.position.y + -1.5f, 0), Quaternion.identity);
                break;
            case 2:
                Instantiate(_laser3, new Vector3(transform.position.x + -1.46f, transform.position.y + -3, 0), Quaternion.identity);
                break;
            case 3:
                Instantiate(_laser4, new Vector3(transform.position.x + 1.4f, transform.position.y + -3, 0), Quaternion.identity);
                break;
            case 4:
                Instantiate(_laser5, new Vector3(transform.position.x, transform.position.y + -3, 0), Quaternion.identity);
                break;
        }
    }


    private void OnTriggerEnter2D(Collider2D collision)
    {
        if (collision.CompareTag("PlayerLaser"))
        {
            BossLaserSpread();
            Destroy(collision.gameObject);
            _countHits.Add(1);
        }
    }
}