package hero

import (
	"crypto/rand"
	"go_dreamfactory/comm"
	"go_dreamfactory/pb"
	"math/big"

	"google.golang.org/protobuf/proto"
)

//参数校验
func (this *apiComp) StrengthenUpSkillCheck(session comm.IUserSession, req *pb.HeroStrengthenUpSkillReq) (code pb.ErrorCode) {
	if req.HeroObjID == "" || len(req.CostCardObj) == 0 {
		code = pb.ErrorCode_ReqParameterError
		return
	}

	return
}

/// 英雄技能升级
func (this *apiComp) StrengthenUpSkill(session comm.IUserSession, req *pb.HeroStrengthenUpSkillReq) (code pb.ErrorCode, data proto.Message) {
	var (
		tmpUpSkillID     map[int32]*pb.SkillData // 即将要升级的技能id
		probability      map[int32]int32         // 即将升级技能的权重
		upSkillPos       int32                   // 升级的技能位置
		totalprobability int32                   // 所有技能总权重
		tmpValue         int32                   // 临时对象 存放累加权重
		tagColor         int32                   // 目标卡品质

		_hero       *pb.DBHero            // 操作的英雄
		ChangeList  []*pb.DBHero          // 推送 改变的英雄
		mapCostHero map[string]int32      // 消耗的技能卡
		mapCostObj  map[string]*pb.DBHero // 消耗的技能卡对象
	)
	mapCostHero = make(map[string]int32, 0)
	mapCostObj = make(map[string]*pb.DBHero, 0)
	ChangeList = make([]*pb.DBHero, 0)
	tmpUpSkillID = make(map[int32]*pb.SkillData, 0)

	code = this.StrengthenUpSkillCheck(session, req) // check
	if code != pb.ErrorCode_Success {
		return
	}
	_hero, code = this.module.GetHeroByObjID(session.GetUserId(), req.HeroObjID) // 查询目标卡是否存在
	if code != pb.ErrorCode_Success {
		return
	}
	// 查询配置表 找出原始品质
	heroCfg := this.module.configure.GetHero(_hero.HeroID)
	if heroCfg == nil {
		code = pb.ErrorCode_HeroNoExist
		return
	}
	tagColor = heroCfg.Color
	for _, v := range req.CostCardObj { // 数组转 map
		mapCostHero[v]++
	}
	for k, v := range mapCostHero {
		costHero, c := this.module.GetHeroByObjID(session.GetUserId(), k) // 查询消耗卡是否存在
		if c != pb.ErrorCode_Success {
			code = c
			return
		}
		if costHero.Block { // 锁定的卡不允许被消耗
			code = pb.ErrorCode_HeroIsLock
			return
		}
		if costHero.SameCount < v { // 数量校验
			code = pb.ErrorCode_HeroNoEnough
			return
		}
		tmp := this.module.configure.GetHero(costHero.HeroID) // 星级校验
		if tmp.Color != tagColor {
			code = pb.ErrorCode_HeroColorErr
			return
		}
		if tmp.Type != comm.CardTypeSkill { // 查看是不是升级卡
			code = pb.ErrorCode_HeroTypeErr
			return
		}
		mapCostObj[k] = costHero
	}

	for range req.CostCardObj { // 升级技能
		config, err1 := this.module.configure.GetHeroSkillUpConfig()
		if err1 != nil {
			code = pb.ErrorCode_ConfigNoFound
			return
		}

		for index, skill := range _hero.NormalSkill {
			skillMaxLv := this.module.configure.GetHeroSkillMaxLvConfig(uint32(skill.SkillID))
			if skill.SkillLv < skillMaxLv { // 找到没有满级的技能id
				tmpUpSkillID[int32(index)] = skill
			}
		}
		if len(tmpUpSkillID) == 0 {
			code = pb.ErrorCode_HeroMaxSkillLv
			return
		}
		probability = make(map[int32]int32, 0)
		// 获取权重
		for k, v := range tmpUpSkillID {
			for _, v2 := range config.GetDataList() {
				if v2.Hid == _hero.HeroID && (k+1) == v2.Skillpos && v.SkillLv == v2.Skilllevel {
					probability[k] = v2.Probability // 设置权重
				}
			}
		}
		totalprobability = 0
		// 根据权重升级对应的技能
		for _, v := range probability {
			totalprobability += v
		}
		if totalprobability == 0 {
			code = pb.ErrorCode_HeroSkillUpErr //技能升级失败
			return
		}
		n, _ := rand.Int(rand.Reader, big.NewInt(int64(totalprobability)))

		for k, v := range probability {
			tmpValue += v
			if int32(n.Int64()) < tmpValue { // 找到了
				upSkillPos = k
				break
			}
		}
		for index, skill := range _hero.NormalSkill {
			if int32(index) == upSkillPos { // 找到指定位置技能并升级
				skill.SkillLv += 1
				break
			}
		}

	}
	for k, v := range mapCostObj {
		code = this.module.DelCard(session.GetUserId(), v, mapCostHero[k])
		if code != pb.ErrorCode_Success {
			return
		}
		ChangeList = append(ChangeList, v)
	}
	// 堆叠情况
	if _hero.SameCount > 1 {
		_hero.SameCount -= 1
		newHero := this.module.modelHero.CloneNewHero(_hero)
		ChangeList = append(ChangeList, newHero)
	}
	_heroMap := map[string]interface{}{
		"normalSkill": _hero.NormalSkill,
		"isOverlying": false,
		"sameCount":   1,
	}
	_hero.SameCount = 1
	err1 := this.module.modelHero.ChangeList(session.GetUserId(), req.HeroObjID, _heroMap) // 修改英雄信息
	if err1 != nil {
		this.module.Errorf("update hero skill failed:%v", err1)
		code = pb.ErrorCode_DBError
		return
	}
	this.module.modelHero.ChangeHeroProperty(session, _hero) // 推送属性变化
	ChangeList = append(ChangeList, _hero)
	session.SendMsg(string(this.module.GetType()), "change", &pb.HeroChangePush{List: ChangeList})
	session.SendMsg(string(this.module.GetType()), StrengthenUpSkill, &pb.HeroStrengthenUpSkillResp{Hero: _hero})
	return
}