using System;
using Player;
using UnityEngine;

namespace Ai
{
	[Serializable]
	public class SequenceBullet
	{
		public Bullet[] Bullets;
	}
	
	public class SequenceGun : Gun
	{

		[SerializeField] private float _sequenceTime;
		[SerializeField] private AnimationCurve _burstShots;
		[SerializeField] private AnimationCurve _angle;
		[SerializeField] private AnimationCurve _bulletsInRow;
		[SerializeField] private SequenceBullet[] _bullets;

		private float _currentSequenceTime;
		private int _currentBulletSequence;
		
		protected override void Update()
		{
			if (!CanShoot && GlobalsVar.gBoard.DialogsCount > 0)
				return;

			_currentSequenceTime += Time.deltaTime;
			if (_currentSequenceTime >= _sequenceTime)
				_currentSequenceTime = 0;

			_shotsPerBurst = (int)_burstShots.Evaluate(_currentSequenceTime);
			
			base.Update();
		}

		protected override void Shoot()
		{
			var row = _bulletsInRow.Evaluate(_currentSequenceTime);
			var angle = _angle.Evaluate(_currentSequenceTime);
			var currentBulletSeq = _bullets != null && _bullets.Length > 0 ? _bullets[_currentBulletSequence] : null;
			_currentBulletSequence++;
			if (_bullets == null || _currentBulletSequence > _bullets.Length - 1)
				_currentBulletSequence = 0;

			var currentBullet = 0;
			
			for (var i = 0; i < row; i++)
			{
				var targetAngle = 0f;
				if (row > 0)
				{
					var currentModify = i == (int) (i / row) ? 0 : i < i / row ? -i / row : i / row;
					targetAngle = angle * currentModify;
				}

				var bullet = _bullet;
				if (currentBulletSeq != null && currentBulletSeq.Bullets != null && currentBulletSeq.Bullets.Length > 0)
				{
					bullet = currentBulletSeq.Bullets[currentBullet];
					currentBullet++;
					if (currentBullet > currentBulletSeq.Bullets.Length - 1)
						currentBullet = 0;
				}

				CustomShoot(targetAngle, bullet);
			}
		}

		private void CustomShoot(float angle, Bullet bulletPrefab)
		{
			var bullet = Instantiate(bulletPrefab);
			bullet.transform.position = transform.position;
			var direction = _toPlayer ? AiController.Instance.PlayerPosition : transform.forward;
			direction = Quaternion.Euler(new Vector3(0, angle, 0)) * direction;
			bullet.Init(direction, 0, 0, _toPlayer);

            string shootSound = GetShootSoundByBulletName(bullet.name);
            if (shootSound != "")
                SoundsManager.Instance.PlaySound(shootSound);
        }
	}
}