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

public class UnitCtrl : MonoBehaviour
{
    public UnitInfo unit;
    public Animator anim;
    public GameObject defensObj;
    public Sprite unitSprite;
    bool isHomeAttack;
    public BoxCollider2D[] components;

    List<UnitCtrl> enemyUnits;

    public bool isEnemy;

    float delay;

    public void DataSet(UnitData ud)
    {
        unit.name = ud.name;
        unit.hp = ud.hp;
        unit.attack = ud.attack;
        unit.attackSpeed = ud.attack_speed;
        unit.defense = ud.defense;
        unit.moveSpeed = ud.move_speed;
        unit.buy = ud.buy.ToArray();
    }

    private void Awake()
    {
        enemyUnits = new List<UnitCtrl>();
        isHomeAttack = false;
        delay = 0;
    }
    private void Start()
    {
        if (isEnemy)
        {
            defensObj.tag = "enemy";
            transform.localScale = Vector3.one;
        }
        else
        {
            transform.localScale = new Vector3(-1, 1, 1);
            defensObj.tag = "player";
        }
    }
    private void Update()
    {
        if (PlayCtrl.Instance.isEndGame)
            return;
        delay -= Time.deltaTime;
        if (delay > 0)
            return;
        if (enemyUnits.Count != 0 || isHomeAttack)
        {
            anim.SetBool("isMove", false);
            if (enemyUnits.Count == 0)
            {
                anim.SetTrigger("attack");
                if (isEnemy)
                {
                    PlayCtrl.Instance.player.campHp -= unit.attack;
                    if(PlayCtrl.Instance.player.campHp <= 0)
                    {
                        Debug.Log("Æйè!");
                        PlayCtrl.Instance.isEndGame = true;
                    }
                }
                else
                {
                    PlayCtrl.Instance.enemy.campHp -= unit.attack;
                    if (PlayCtrl.Instance.enemy.campHp <= 0)
                    {
                        Debug.Log("½Â¸®!");
                        PlayCtrl.Instance.isEndGame = true;
                    }
                }
                delay = unit.attackSpeed;
            }
            else
            {
                if (enemyUnits[0] != null)
                {
                    anim.SetTrigger("attack");
                    enemyUnits[0].Attack(unit.attack);
                    delay = unit.attackSpeed;
                }
                else
                {
                    enemyUnits.RemoveAt(0);
                }
            }
        }
        else
        {
            anim.SetBool("isMove", true);
            transform.position += Vector3.left * unit.moveSpeed * Time.deltaTime * (isEnemy ? 1 : -1);
        }
 
    }
    private void OnTriggerEnter2D(Collider2D collision)
    {
        if (isEnemy)
        {
            if (collision.gameObject.CompareTag("player"))
            {
                enemyUnits.Add(collision.gameObject.GetComponentInParent<UnitCtrl>());
            }
            if (collision.gameObject.CompareTag("player_home"))
            {
                isHomeAttack = true;
            }
        }
        else
        {
            if (collision.gameObject.CompareTag("enemy"))
            {
                enemyUnits.Add(collision.gameObject.GetComponentInParent<UnitCtrl>());
            }
            if (collision.gameObject.CompareTag("enemy_home"))
            {
                isHomeAttack = true;
            }
        }
    }

    /// <summary>
    /// °ø°ÝÀ» ¹Þ¾ÒÀ»¶§ È£ÃâµÇ°Ô ¸¸µé±â
    /// </summary>
    /// <param name="dmg">°ø°Ý ´ë¹ÌÁö</param>
    public void Attack(int dmg)
    {
        if(unit.defense > dmg)
        {
            dmg = unit.defense + 100;
        }
        unit.hp -= (dmg - unit.defense);
        Debug.Log($"{dmg - unit.defense}µ¥¹ÌÁö! {unit.hp}³²À½.");
        if(unit.hp <= 0)
        {
            //Àӽ÷Π»èÁ¦ÇÏ°Ô Ã³¸® ÃßÈÄ ÀçÈ°¿ë ÇÒ¼ö ÀÖ°Ô Ã³¸®ÇÒ°Í
            anim.SetBool("isDie", true);
            components[0].enabled = false;
            components[1].enabled = false; 
            Destroy(gameObject, 1.0f);
        }
    }

}
// ¸®Áöµå, ÄݶóÀÌ´õ À§Ä¡ º¯°æ Unit > oder
// oder ÄݶóÀÌ´õ Æ®¸®°Å üũ
// µðÆ潺 ¿ÀºêÁ§Æ® Á»´õ »óÀ§·Î À§Ä¡º¯°æ