using System.Collections;
using UnityEngine;

public enum eMobState { Move, Attack }

public class MobActor : MonoBehaviour
{
    MonsterTableData m_Data;
    float FenceY, m_attackTimer;
    eMobState m_State = eMobState.Move;
    Animator m_Animator;

    private void Awake()
    {
        var srs = GetComponentsInChildren<SpriteRenderer>(true);
        for (int i = 0; i < srs.Length; i++)
            srs[i].sortingOrder -= 5;
        m_Animator = GetComponentInChildren<Animator>();
    }

    private void Update()
    {
        float distToFence = transform.position.y - FenceY;

        switch (m_State)
        {
            case eMobState.Move:
                if (distToFence <= m_Data.f_AttackRange)
                    OnEnterAttack();
                else
                    Move();
                break;

            case eMobState.Attack:
                Attack();
                break;
        }
    }

    public void Set(MonsterTableData data, float fenceY)
    {
        m_Data = data;
        FenceY = fenceY;
        m_attackTimer = m_Data.f_AttackDelay;
    }

    void Move()
    {
        transform.position += Vector3.down * Time.deltaTime * m_Data.f_MoveSpeed;
    }

    void OnEnterAttack()
    {
        m_State = eMobState.Attack;

        // 이동 정지 시점 보정 (너무 파고들지 않게)
        Vector3 pos = transform.position;
        pos.y = FenceY + m_Data.f_AttackRange;
        transform.position = pos;

        // 애니메이션, 공격 쿨타임 초기화 등
    }

    void Attack()
    {
        m_attackTimer -= Time.deltaTime;
        if (m_attackTimer > 0f)
            return;

        m_attackTimer = m_Data.f_AttackDelay;

        //m_Animator.speed = 2f;
        m_Animator.SetTrigger("att");
        StartCoroutine(Co_AttackProjectile());
    }

    IEnumerator Co_AttackProjectile()
    {
        yield return new WaitForSeconds(1f);
        ProjectileMgr.Ins.Get(m_Data.n_ProjectileID, transform).Set(m_Data.n_ProjectileID);
    }
}