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

public class ProjectileInfo : MonoBehaviour
{
    public static ProjectileInfo Ins;

    public Material[] arr_materials; // 0 얼음, 1 히트

    Dictionary<string, List<ProjectileBase>> dic_projectile = new Dictionary<string, List<ProjectileBase>>();

    private void Awake() { Ins = this; }
    private void Start()
    {
        var lst = table_effectlist.Ins.Get_DataList(2);
        for (int i = 0; i < lst.Count; i++)
        {
            dic_projectile.Add(lst[i].s_EffectPrefab, new List<ProjectileBase>());

            for (int j = 0; j < lst[i].n_PreLoadCount; j++)
                Load_Projectile(true, lst[i].s_EffectPrefab, null);
        }
    }

    void Load_Projectile(bool loadFirst, string projectile, Action<ProjectileBase> act)
    {
        AddrResourceMgr.Ins.LoadObject<GameObject>($"Assets/Res_Addr/Projectile/{projectile}.prefab", handle =>
        {
            var temp = DSUtil.Get_Clone<ProjectileBase>(handle.Result, transform);
            if (!loadFirst) temp.Off_FisrLoad();
            dic_projectile[projectile].Add(temp);
            act?.Invoke(temp);
        });
    }

    void Get_Projectile(string projectile, Action<ProjectileBase> act)
    {
        if (!dic_projectile.ContainsKey(projectile))
            dic_projectile.Add(projectile, new List<ProjectileBase>());

        for (int i = 0; i < dic_projectile[projectile].Count; i++)
        {
            if (!dic_projectile[projectile][i].gameObject.activeInHierarchy)
            {
                act?.Invoke(dic_projectile[projectile][i]);
                return;
            }
        }

        Load_Projectile(true, projectile, act);
    }

    public void Shoot_Projectile(string projectile, Actor shooter, Actor target, float adddmgrate = 1f, Vector3? startpos = null, float liftTime = 4f, float skilldmg = 1f)
    {
        Get_Projectile(projectile, proj =>
        {
            if (!DSUtil.CheckNull(startpos))
                proj.Set(new ProjectileData { shooter = shooter, target = target, HitDamage = adddmgrate, eStartPos = eProjectileStartPos.Custom, v3_StartPos = startpos.Value, LifeTime = liftTime, LookTarget = true });
            else
                proj.Set(new ProjectileData { shooter = shooter, target = target, HitDamage = adddmgrate, eStartPos = eProjectileStartPos.ShooterCenter, LifeTime = liftTime });
        });
    }
    public void Shoot_Projectile(string projectile, ProjectileData pd, Action<ProjectileBase> act = null)
    {
        Get_Projectile(projectile, proj =>
        {
            if (!DSUtil.CheckNull(proj))
            {
                proj.Set(pd);
                act?.Invoke(proj);
            }
        });
    }
}