using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using FSEvent;
using FSBuff;
using LitJson;
using FSFile;
using FSAssist;
using UnityEngine.UI;
using FSRole;

namespace FSCard {
    /*
     * 卡片管理
     * 负责卡片的生成，销和执行
    */
    public class CardManager : Singleton<CardManager> {
        // 我方的手牌
        public ArrayList ArmCards { set; get; }
        // 地方手牌
        public ArrayList EnemyCards { set; get; }
        // 卡片json数据
        private JsonData cardValue = null;

        public CardManager() {
            ArmCards = new ArrayList();
            EnemyCards = new ArrayList();

            ReadCardData();
            InitListener();
        }

        /*
         * 从资源中读取json数据
        */
        private void ReadCardData() {
            string json = FileManager.Instance.ReadResourceText("Jsons/cards");
            if (json != null) {
                try {
                    cardValue = JsonMapper.ToObject(json);
                } catch (JsonException e) {
                    Debug.Log(e.ToString());
                }
            }
        }

        /*
         * 初始化监听
        */
        private void InitListener() {
            EventListener.Instance.RegisterEvent(EventEnum.EVENT_ATTACK_CARD_EXECUTE, AttackExecute);
            EventListener.Instance.RegisterEvent(EventEnum.EVENT_DEFENSE_CARD_EXECUTE, DefenseExecute);
            EventListener.Instance.RegisterEvent(EventEnum.EVENT_SPECIAL_CARD_EXECUTE, SpecialExecute);
        }

        /*
         * 传入数据和GameObject
         * 挂上卡片类
        */
        public void LoadCard(GameObject obj, string id, Role source) {
            // 读取数据，如果没有此项数据，则抛出错误
            JsonData oneValue = cardValue[id];
            if (oneValue != null && oneValue.IsObject){
                Card card = null;
                // 获取卡片类
                int getType = AssistMethods.ReadInt(oneValue, "type");
                switch (getType) {
                    case 1:
                        card = obj.AddComponent<AckCard>();
                        card.Type = CardType.CARD_TYPE_ATTACK;
                        break;

                    case 2:
                        card = obj.AddComponent<DefCard>();
                        card.Type = CardType.CARD_TYPE_DEFANCE;
                        break;

                    case 3:
                        card = obj.AddComponent<SepCard>();
                        card.Type = CardType.CARD_TYPE_SPEC;
                        break;
                }

                // 配置ID
                card.ID = id;
                // 获取消耗
                card.Cost = AssistMethods.ReadInt(oneValue, "cost");
                // 获得韧性
                card.Tenacity = AssistMethods.ReadInt(oneValue, "tenacity");
                // 获得值
                card.Value = AssistMethods.ReadInt(oneValue, "value");
                // 获得对应的BUFF
                card.BuffID = AssistMethods.ReadString(oneValue, "buff");
                // 获取描述
                card.Desc = AssistMethods.ReadString(oneValue, "describe");
                // 添加对应阵营
                card.Source = source;
            } else {
                throw new System.Exception("ID : " + id + "没有对应ID的卡片 ... ");
            }
        }

        /*
         * 卡片执行，根据卡片种类来分别操作
        */
        /*
         * 攻击执行
        */
        private void AttackExecute(Dictionary<string, object> info) {
            Card card = (Card)info["card"];
            Debug.Log("ID " + card.ID + " 攻击执行 ... ");
            // 消耗HP
            card.Target.CurrentAttr.Hp -= card.Value;
        }

        /*
         * 防御执行
        */
        private void DefenseExecute(Dictionary<string, object> info) {
            Card card = (Card)info["card"];
            Debug.Log("防守执行 ... ");
            // 增加防御
            card.Target.CurrentAttr.Def += card.Value;
        }

        /*
         * 特殊功能执行
        */
        private void SpecialExecute(Dictionary<string, object> info) {
            SepCard card = (SepCard)info["card"];
            if (card != null) {
                Debug.Log("给角色添加BUFF, ID为 : " + card.BuffID);
                BuffManager.Instance.LoadBuff(card.Target.gameObject, card.BuffID.ToString());
            }
        }
    }
}