using System;
using Obvious.Soap;
using UnityEngine;

public class FishAI : MonoBehaviour
{
	public Transform anchor;

	public Action<Rigidbody> OnLureTargetReached;

	[SerializeField]
	private LayerMask lureCheckLayerMask;

	[SerializeField]
	private LayerMask obstacleLayerMask;

	public ScriptableEventNoParam onLureIsTooLargeForFish;

	[SerializeField]
	private FishZoneObject fishZone;

	public float WaitTime = 1f;

	public FishData fishData;

	public float length;

	private bool isLure;

	private Rigidbody _rbody;

	private WaterBody _waterBody;

	private int _terrainLayerMaskId;

	private int _fishLayerMaskId;

	private int _lureLayerMaskId;

	private LayerMask _layerCollisionMask;

	private Vector3 _moveDirection;

	private Vector3 _moveTargetPosition;

	private Vector3 _velocity;

	public Lure lure;

	private float distanceToTarget;

	private RaycastHit[] rayHits = new RaycastHit[1];

	private float _CheckLureCooldown = 2.5f;

	private float _CheckLureTime;

	public FishZoneObject FishZone
	{
		set
		{
			fishZone = value;
		}
	}

	public bool isTargetReached { get; private set; }

	private float _getAreaDistance => UnityEngine.Random.Range(fishData.areaDistance * 0.2f, fishData.areaDistance);

	public event Action OnDestinationReached = delegate
	{
	};

	private void Awake()
	{
		_rbody = GetComponent<Rigidbody>();
		_waterBody = GetComponent<WaterBody>();
		_terrainLayerMaskId = LayerMask.NameToLayer("Terrain");
		_fishLayerMaskId = LayerMask.NameToLayer("Fish");
		_lureLayerMaskId = LayerMask.NameToLayer("Lure");
		_layerCollisionMask = LayerMask.GetMask("Terrain", "Fish", "Lure");
	}

	public void SetMovePosition(Vector3 position)
	{
		_moveTargetPosition = position;
	}

	public void SetMoveToTargetPosition(Vector3 position)
	{
		isTargetReached = false;
		_moveTargetPosition = position;
	}

	public void SetLure(Lure lure)
	{
		this.lure = lure;
	}

	public void SetRandomizedMoveToTargetPosition(Vector3 originPosition)
	{
		isTargetReached = false;
		_moveTargetPosition = originPosition + UnityEngine.Random.onUnitSphere * _getAreaDistance;
		float value = Mathf.Clamp(_moveTargetPosition.y, base.transform.position.y - 2f, base.transform.position.y + 2f);
		_moveTargetPosition.y = Mathf.Clamp(value, float.NegativeInfinity, -0.5f);
	}

	public void SeekUpdateHandler(float multiply = 1f)
	{
		_rbody.AddForce(_velocity, ForceMode.Acceleration);
		TargetReachUpdate(lure ? 0.15f : 0.1f);
		CalculateFishMovement(multiply);
		CheckRaycastForAction();
		LureDetectHandler();
	}

	public void LureEatUpdateHandler(float multiply = 1f)
	{
		_rbody.AddForce(_velocity, ForceMode.Acceleration);
		TargetReachUpdate();
		CalculateFishMovement(multiply);
		CheckRaycastForAction();
	}

	public void FightUpdateHandler(float multiply = 1f)
	{
		_rbody.AddForce(_velocity, ForceMode.Acceleration);
		TargetReachUpdate();
		CalculateFishMovement(multiply);
	}

	private void TargetReachUpdate(float treshold = 0.1f)
	{
		distanceToTarget = Vector3.Distance(anchor.position, _moveTargetPosition);
		isTargetReached = distanceToTarget < treshold;
		if (isTargetReached)
		{
			_velocity = Vector3.zero;
		}
	}

	private void CalculateFishMovement(float speedMultiplier = 1f)
	{
		_moveDirection = _moveTargetPosition - anchor.position;
		if (_rbody.linearVelocity != Vector3.zero)
		{
			Quaternion b = Quaternion.LookRotation(_rbody.linearVelocity, Vector3.up);
			base.transform.rotation = Quaternion.Slerp(base.transform.rotation, b, Time.deltaTime * Mathf.Clamp(5f * speedMultiplier, 5f, 10f));
		}
		Vector3 vector = _moveDirection.normalized * Mathf.Clamp(fishData.Speed, 0f, float.PositiveInfinity);
		vector *= speedMultiplier;
		_velocity = ((_velocity.sqrMagnitude > vector.sqrMagnitude) ? Vector3.Slerp(_velocity, vector, Time.deltaTime * 1f) : vector);
	}

	private void CheckRaycastForAction()
	{
		if (Physics.Raycast(anchor.position, _moveDirection, out var hitInfo, fishData.Speed, _layerCollisionMask))
		{
			int layer = hitInfo.collider.gameObject.layer;
			if (layer == _terrainLayerMaskId)
			{
				_velocity = Vector3.zero;
				isTargetReached = true;
				lure = null;
				SetCheckLureCooldown();
			}
			else if (layer == _fishLayerMaskId && hitInfo.transform.localScale.x > base.transform.localScale.x)
			{
				_velocity = _moveDirection.normalized * (fishData.Speed * 10f);
				_moveTargetPosition = hitInfo.point + hitInfo.normal * _getAreaDistance;
				_moveTargetPosition.y = base.transform.position.y;
				lure = null;
				SetCheckLureCooldown();
			}
		}
	}

	public void ResetBehaviour()
	{
		lure = null;
		isTargetReached = false;
	}

	private void OnCollisionStay(Collision collision)
	{
		if (collision.gameObject.layer == _terrainLayerMaskId)
		{
			_moveTargetPosition += collision.contacts[0].normal.normalized;
		}
		if (!_waterBody.InWater && collision.gameObject.layer == _terrainLayerMaskId)
		{
			_rbody.AddForce(Vector3.up * 1f, ForceMode.Impulse);
		}
	}

	private void LureDetectHandler()
	{
		if (!(Time.time < _CheckLureTime) && !lure && Physics.RaycastNonAlloc(base.transform.position, base.transform.forward, rayHits, fishData.EyeDetectionDistance, lureCheckLayerMask) > 0 && rayHits[0].transform.TryGetComponent<Lure>(out var component) && !component.IsFishConnected)
		{
			bool flag = false;
			float num = length * 0.4f;
			float num2 = length * 0.01f;
			if (component.IsLure)
			{
				flag = fishData.CheckLure(component.LureData.ID);
			}
			if (component.IsBait)
			{
				flag = fishData.CheckBait(component.BaitData.ID);
			}
			if (component.lureSize < num && component.lureSize > num2 && flag)
			{
				lure = component;
				isTargetReached = false;
				_moveTargetPosition = component.transform.position;
				Debug.Log($"Lure {component.name} size: {component.lureSize} detected by fish and accepted {base.gameObject.name} l: {length}");
			}
			else
			{
				onLureIsTooLargeForFish.Raise();
				string text = ((component.lureSize >= num) ? "large" : "small");
				Debug.Log($"Lure {component.name} is too {text} size: {component.lureSize} for fish: {base.gameObject.name} l: {length}");
			}
		}
	}

	private void SetCheckLureCooldown()
	{
		_CheckLureTime = Time.time + _CheckLureCooldown;
	}
}