package gourmet

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

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

//参数校验
func (this *apiComp) SkillLVCheck(session comm.IUserSession, req *pb.GourmetSkillLvReq) (code pb.ErrorCode) {
	if req.SkillType == 0 {
		code = pb.ErrorCode_ReqParameterError
	}
	return
}

///美食城厨师技能升级
func (this *apiComp) SkillLV(session comm.IUserSession, req *pb.GourmetSkillLvReq) (code pb.ErrorCode, dat proto.Message) {
	var (
		bSpecial bool // 是不是特殊技能
	)
	code = this.SkillLVCheck(session, req)
	if code != pb.ErrorCode_Success {
		return // 参数校验失败直接返回
	}
	_gourmet, err := this.module.modelGourmet.getGourmetList(session.GetUserId())
	if err != nil {
		code = pb.ErrorCode_DBError
		return
	}

	skilllv, ok := _gourmet.Skill[req.SkillType]
	if !ok { // 校验技能存不存在
		skilllv, ok = _gourmet.SpecialSkill[req.SkillType]
		if !ok {
			code = pb.ErrorCode_ReqParameterError
			return
		}
		bSpecial = true
	}

	if this.module.configure.GetGourmetConfigData(req.SkillType, skilllv+1) == nil { // 下一级是否存在
		code = pb.ErrorCode_GourmetSkillMaxLv
		return
	}
	_skillCfg := this.module.configure.GetGourmetConfigData(req.SkillType, skilllv) // 获取技能配置

	code = this.module.ConsumeRes(session, _skillCfg.SkillConsume, true) // 消耗检测
	if code != pb.ErrorCode_Success {
		return
	}
	// 概率升级
	n, _ := rand.Int(rand.Reader, big.NewInt(1000))

	if n.Int64() < int64(_skillCfg.Probability) { // 可以升级
		// 技能升级成功
		if bSpecial { // 通用技能升级
			_gourmet.SpecialSkill[req.SkillType] += 1
			this.module.modelGourmet.CalculationSpecialSkillLv(session.GetUserId(), _gourmet, req.SkillType, _gourmet.SpecialSkill[req.SkillType])
		} else { // 某一类型技能升级
			_gourmet.Skill[req.SkillType] += 1
			this.module.modelGourmet.CalculationGourmetbySkiiLv(session.GetUserId(), _gourmet, req.SkillType, _gourmet.Skill[req.SkillType])
		}
	}
	session.SendMsg(string(this.module.GetType()), GourmetSkillLvResp, &pb.GourmetSkillLvResp{Data: _gourmet})
	return
}