using Cal;
using Cal.DataTable;
using System;
using System.Collections.Generic;

namespace ET
{
    public class PetAwakeSystem : AwakeSystem<Pet>
    {
        public override void Awake(Pet self)
        {
            self.level = 1;
            self.name = "宠物";
            self.Load();
        }
    }
    public class PetLoadSystem : LoadSystem<Pet>
    {
        public override void Load(Pet self)
        {
            self.Load();
        }
    }
    public class PetDeserializeSystem : DeserializeSystem<Pet>
    {
        public override void Deserialize(Pet self)
        {
            self.Load();
        }
    }
    public class PetChangeSystem : ChangeSystem<Pet>
    {
        public override void Change(Pet self)
        {
            var unit = self.GetParent<Unit>();
            M2C_SyncPet proto = new()
            {
                UnitId=self.Id,
                petId=self.petId,
                exp=self.exp,
                isShow=self.isShow,
                level=self.level,
                name=self.name,
                intimacy=self.intimacy
            };
            BrocastComponent brocastComponent = unit.GetComponent<BrocastComponent>();
            brocastComponent?.Brocast(proto);
        }
    }
    public class PetDestroySystem : DestroySystem<Pet>
    {
        public override void Destroy(Pet self)
        {
            self.petId = 0;
            self.exp = 0;
            self.intimacy = 0;
            self.isShow = false;
            self.addToCharacter.Clear();
            self.getAttributeFunc = null;
        }
    }
    public static class PetSystem
    {
        public static void Load(this Pet self)
        {
            self.getAttributeFunc += self.GetAttribute;
            self.Init();
        }
        public static void Init(this Pet self)
        {
            int key = (int)AttributeType.力量;
            if (!self.addToCharacter.ContainsKey(key))
                self.addToCharacter[key] = 0;
            key = (int)AttributeType.敏捷;
            if (!self.addToCharacter.ContainsKey(key))
                self.addToCharacter[key] = 0;
            key = (int)AttributeType.精神;
            if (!self.addToCharacter.ContainsKey(key))
                self.addToCharacter[key] = 0;
            key = (int)AttributeType.智慧;
            if (!self.addToCharacter.ContainsKey(key))
                self.addToCharacter[key] = 0;
            key = (int)AttributeType.体质;
            if (!self.addToCharacter.ContainsKey(key))
                self.addToCharacter[key] = 0;
            key = (int)AttributeType.耐力;
            if (!self.addToCharacter.ContainsKey(key))
                self.addToCharacter[key] = 0;
        }
        public static float GetAttribute(this Pet self, AttributeType attributeType)
        {
            float bound = 0f;
            foreach (var kv in self.addToCharacter)
            {
                if ((int)attributeType == kv.Key)
                    bound += kv.Value;
            }
            return bound;
        }
        public static string AddLevel(this Pet self, int level)
        {
            self.level += level;
            using var listComponent = ListComponent<int>.Create();
            listComponent.List.AddRange(self.addToCharacter.Keys);
            foreach (var key in listComponent.List)
            {
                self.addToCharacter[key] += 10 * level;
            }
            Log.Info($"宠物升级啦! level:{self.level} exp:{self.exp}");
            CharacterHelper.SyncNumeric(self.GetParent<Unit>());
            return null;
        }
        public static string AddExp(this Pet self, int exp)
        {
            exp += self.exp;
            int addLevel = 0;
            int stage = GetStage(self.level);

            while (exp > GetNeedExp(stage, self.level))
            {
                stage = GetStage(self.level + addLevel);
                exp -= GetNeedExp(stage, self.level);
                addLevel++;
            }
            self.exp = Math.Clamp(exp, 0, int.MaxValue);
            self.AddLevel(addLevel);
            Game.EventSystem.Change(self);
            return null;
        }
        private static int GetNeedExp(int stage, int level)
        {
            PetLevelConfig petLevelConfig = PetLevelConfigCategory.Instance.Get(stage);
            return petLevelConfig.Exp + petLevelConfig.ExpByLevel * level;
        }
        private static int GetStage(int level)
        {
            var arr = new int[] { 0, 50, 100, 200, 500, 1000 };
            for (int i = 0; i < arr.Length; i++)
            {
                var item = arr[i];
                if (level <= item)
                {
                    return i;
                }
            }
            return arr.Length - 1;
        }
        public static string ChangeName(this Pet self, string name)
        {

            if (!FilterCharHelper.IsInvalid(name))
            {
                return "昵称不能超过7位,不能含有特殊字符";
            }
            self.name = name;
            Log.Info($"宠物改名：{self.name}");
            Game.EventSystem.Change(self);
            return null;
        }
    }
}