using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using FSRole;
using FSBattle;
using LitJson;
using FSFile;
using FSAssist;
using UnityEngine.UI;
using FSCard;

/*
 * 角色管理
 * 未来角色的创建和销毁都在这里
*/
namespace FSRole {

    public class RoleManager : MonoBehaviour {
        // 角色预制体
        public GameObject rolePrefab;
        // 我方位置
        public Transform armyLoc;
        // 地方位置
        public Transform enemyLoc;
        // 角色
        public ArrayList roles;
        // 保存的角色数据
        public JsonData roleValue;
        // 跟随面板
        public Transform followPanel;
        // 血量的预制体
        public GameObject bloodPre;
        // 卡片预制体
        public GameObject cardPrefab;
        // 缓存地
        public Transform cachePlace;

        // Use this for initialization
        void Start() {
            roles = new ArrayList();

            ReadRoleData();
            CreateRole("00000");
            CreateRole("10002");
        }

        /*
         * 读取角色json数据
        */
        private void ReadRoleData() {
            string json = FileManager.Instance.ReadResourceText("Jsons/roles");
            if (json != null)
            {
                Debug.Log("读取到 json 字符串 : " + json);
                try {
                    roleValue = JsonMapper.ToObject(json);
                } catch (JsonException e){
                    Debug.Log(e.ToString());
                }
            }
        }

        /*
         * 传入ID，从数组中来获取到角色数值
        */
        private void CreateRole(string id) {
            JsonData oneValue = roleValue[id];
            if (oneValue != null && oneValue.IsObject) {
                RoleAttr attr = new RoleAttr();
                // 配置属性
                attr.Hp = AssistMethods.ReadInt(oneValue, "hp");
                attr.MaxHp = attr.Hp;
                attr.Mp = AssistMethods.ReadInt(oneValue, "mp");
                attr.Camp = (AssistMethods.ReadInt(oneValue, "camp") == 1) ? RoleCamp.ARMY : RoleCamp.ENEMY;
                attr.ID = id;
                Role role = CreateRole(attr);

                JsonData cards = oneValue["cards"];
                if (cards != null) {
                    if (cards.IsArray) {
                        for (int i = 0; i < cards.Count; i++) {
                            string cardId = AssistMethods.ReadString(cards, i);

                            GameObject cardObj = Instantiate(cardPrefab, cachePlace);
                            // 挂载卡片组件
                            CardManager.Instance.LoadCard(cardObj, cardId, role);
                            // 添加进卡池中
                            if (role.OriginAttr.Camp == RoleCamp.ARMY) {
                                BattleFieldManager.Instance.ArmyTakePool.Add(cardObj.transform);
                            } else {
                                BattleFieldManager.Instance.EnemyTakePool.Add(cardObj.transform);
                            }
                        }
                    }
                }
            } else {
                throw new System.Exception("id : " + id + "无对应的角色 ... ");
            }
        }

        /*
         * 根据角色数值来创建角色
        */
        private Role CreateRole(RoleAttr value) {
            GameObject role = null;

            int index;
            // 判断是哪个阵营的，则放在指定位置并加入指定数组中
            if (value.Camp == RoleCamp.ARMY) {
                role = Instantiate(rolePrefab, armyLoc);
                BattleFieldManager.Instance.ArmyArray.Add(role.transform);
                index = BattleFieldManager.Instance.ArmyArray.Count - 1;
            } else {
                role = Instantiate(rolePrefab, enemyLoc);
                BattleFieldManager.Instance.EnemyArray.Add(role.transform);
                index = BattleFieldManager.Instance.EnemyArray.Count - 1;
            }

            // 第奇数个和偶数个处理
            if (index % 2 == 0) {
                // 偶数个
                role.transform.localPosition = new Vector3(index / 2 * AssistConfig.RoleSpace, 0, 0);
            } else {
                // 奇数个
                float loc = (float)index / 2 + 0.5f;
                role.transform.localPosition = new Vector3(loc * AssistConfig.RoleSpace * -1, 0, 0);
            }

            role.transform.localScale = new Vector3(0.6f, 0.6f, 1);
            //role.transform.localPosition = new Vector3(0, 0, 0);
            // 添加属性
            role.GetComponent<Role>().OriginAttr = value;
            role.GetComponent<Role>().CurrentAttr = value.copy();

            // 创建血条，放在角色下面
            // 转换为屏幕坐标在调整
            GameObject followObj = Instantiate(bloodPre, followPanel);
            // 转化角色的坐标
            Vector3 roleScreen = Camera.main.WorldToScreenPoint(role.transform.position);
            followObj.transform.position = roleScreen;
            role.GetComponent<Role>().SetBloodTrs(followObj.transform);

            // 加载图片资源
            string path = "Textures/Roles/" + value.ID;
            Texture2D tex = Resources.Load<Texture2D>(path);
            Sprite sp = Sprite.Create(tex, new Rect(0, 0, tex.width, tex.height), new Vector3(0.5f, 0));
            if (sp != null) {
                role.GetComponent<SpriteRenderer>().sprite = sp;
            }

            // 最后将其加入数组中
            BattleFieldManager.Instance.RoleArray.Add(role.transform);
            return role.GetComponent<Role>();
        }
    }
}