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


public class Bird : MonoBehaviour
{
    Vector2 _startPosition;
    [SerializeField] float force;
    [SerializeField] float maxdragDistance = 2;
    Rigidbody2D Rb2D;
    [SerializeField] Sprite angrySprite;
    [SerializeField] Sprite normalSprite;
    [SerializeField] Sprite closedEyeSprite;
    [SerializeField] ParticleSystem PS;
    [SerializeField] CinemachineVirtualCamera CM;
    [SerializeField] ParticleController PC;
    bool reset = false;
    bool hasPlayed = false;
    bool mouseDown = false;

    // Start is called before the first frame update
    void Start()
    {
        _startPosition = Rb2D.position;
        Rb2D.isKinematic = true;



    }
    private void Awake()
    {
        Rb2D = GetComponent<Rigidbody2D>();
        PS = GetComponent<ParticleSystem>();
        //CM = GetComponent<CinemachineVirtualCamera>();
        //PC = GetComponent<ParticleController>();
    }
    private void OnMouseUp()
    {
        mouseDown = true;
        //CM.m_Lens.OrthographicSize = 2f;
        var currentPosition = Rb2D.position;
        float distance = Vector2.Distance(currentPosition, _startPosition);
        Vector2 direction = _startPosition - currentPosition;
        direction.Normalize();
        Rb2D.isKinematic = false;
        Rb2D.AddForce(direction * force * distance);
        GetComponent<SpriteRenderer>().sprite = angrySprite;

        if (hasPlayed == false)
        {
            InvokeRepeating("_PlayFeather", 0.2f, 0.3f);
            PS.Play();

            hasPlayed = true;
        }


    }
    

    void _PlayFeather()
    {
        PC.PlayFeather();
    }   
    
    private void OnMouseDrag()
    {
        
        if(mouseDown == false)
        {
            Vector3 mousePosition = Camera.main.ScreenToWorldPoint(Input.mousePosition);

            Vector2 desiredPosition = mousePosition;


            float distance = Vector2.Distance(desiredPosition, _startPosition);
            if (distance > maxdragDistance)
            {
                Vector2 direction = desiredPosition - _startPosition;
                direction.Normalize();
                desiredPosition = _startPosition + (direction * maxdragDistance);
            }


            Rb2D.position = desiredPosition;

        }

    }




    // Update is called once per frame
    void Update()
    {
        if (Input.GetKey(KeyCode.A))
        {
            _PlayFeather();
        }

    }
    private void OnCollisionEnter2D(Collision2D collision)
    {
        CancelInvoke("startParicleSystem");
        if (reset == false)
        {
            mouseDown = false;
            StartCoroutine(ResetAfterDelay());
        }
        CancelInvoke("_PlayFeather");

    }
    IEnumerator ResetAfterDelay()
    {
        hasPlayed = false;
        reset = true;
        if (GetComponent<SpriteRenderer>().sprite != closedEyeSprite)
        {
            GetComponent<SpriteRenderer>().sprite = normalSprite;
        }
        yield return new WaitForSeconds(1);
        GetComponent<SpriteRenderer>().sprite = closedEyeSprite;

        yield return new WaitForSeconds(1.5f);
        var deadbird = GameObject.Find("dead bird");
        Vector3 deadPosition = transform.position;
        Quaternion deadRotation = transform.rotation;
        Rb2D.isKinematic = true;
        Rb2D.position = _startPosition; 
        Rb2D.velocity = new Vector2(0, 0);
        Rb2D.angularVelocity = 0f;
        transform.eulerAngles = new Vector3(0, 0, 0);
        Instantiate(deadbird, deadPosition, deadRotation);
        yield return new WaitForSeconds(0.5f);
        GetComponent<SpriteRenderer>().sprite = normalSprite;
        reset = false;
    }

}