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

public class Tiger : MonoBehaviour
{
    Animator anim;
    Player player;
    Rigidbody2D rig;
    public float dis;
    public float speed;
    public Vector2 bcakJumpVel;
    public int dieCount;

    SpriteRenderer[] childrenSp ;
    
    public Color oriColor;
    public Color hurtColor;

    int count = 0;

    void Start()
    {
        childrenSp = GetComponentsInChildren<SpriteRenderer>();
       

        rig = GetComponent<Rigidbody2D>();
       anim = GetComponent<Animator>();
        player = FindObjectOfType<Player>(); ;
        
    }

    // Update is called once per frame
    void Update()
    {
        if (anim.GetBool("老虎走动"))
            if (Mathf.Abs(player.transform.position.x - transform.position.x) < dis)
        {
            anim.SetTrigger("老虎前扑");
            anim.SetTrigger("老虎冲撞");
            anim.SetBool("老虎走动", false);
            
        }
    }

    private void FixedUpdate()
    {
        if (anim.GetBool("老虎走动"))
        {
            rig.velocity = new Vector2(speed, rig.velocity.y);
        }
        //else rig.velocity = Vector2.zero;
    }

    public void Behavior(string behaviorName)
    {
        try
        {
            //触发动画
            anim.SetTrigger(behaviorName);
        }
        catch (System.Exception e)
        {
            e.ToString();
            Debug.LogError("没有找到触发器" + behaviorName);
        }

    }

    public void BackJump() {
        rig.velocity = bcakJumpVel;
;
    }
    public void JudgeForward() {
        if (Mathf.Abs(player.transform.position.x - transform.position.x) >= dis && !anim.GetBool("老虎走动"))
        {
            anim.SetBool("老虎走动", true);
        }
        else if (Mathf.Abs(player.transform.position.x - transform.position.x) < dis)

        {   anim.SetTrigger("老虎冲撞");
            anim.SetTrigger("老虎前扑");
            
           
            anim.SetBool("老虎走动", false);
            
        }

    }
    //重置所有trigger
    public void ResetAllTrigger() {
        rig.velocity = Vector2.zero;

        AnimatorControllerParameter[] aps = anim.parameters;
        for (int i = 0; i < aps.Length; i++)
        {
            AnimatorControllerParameter paramItem = aps[i];
            if (paramItem.type == AnimatorControllerParameterType.Trigger)
            {
                string triggerName = paramItem.name;
                bool isActive = anim.GetBool(triggerName);
                if (isActive)
                {
                    anim.ResetTrigger(triggerName);
                }
            }
        }
    }

    public void Freeze() {
        rig.velocity = Vector2.zero;
    }

    private void OnTriggerEnter2D(Collider2D collision)
    {
        if (collision.TryGetComponent<Item>(out Item weapon)) {
            
            Debug.Log(weapon.name + "" + weapon.GetIsAtk()+"打到老虎");
            weapon.SetIsAtk(false);
            count++;

            ChangeColor();
            Invoke("ResetColor",0.5f);
            if (count >= dieCount) {
                ResetAllTrigger();
                Freeze();
                anim.SetTrigger("老虎似了");
                GetComponent<Collider2D>().enabled = false;
                Debug.Log("老虎似了");
            }
        }
    }

    void ChangeColor() {
        foreach (SpriteRenderer sp in childrenSp)
        {
            sp.color = hurtColor;
        }
    }

    void ResetColor() {
        foreach (SpriteRenderer sp in childrenSp)
        {
            sp.color = oriColor;
        }
    }
}