package rtask

import (
	"go_dreamfactory/comm"
	"go_dreamfactory/lego/sys/log"
	"go_dreamfactory/pb"
	"go_dreamfactory/utils"

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

func (this *apiComp) ChooseCheck(session comm.IUserSession, req *pb.RtaskChooseReq) (code pb.ErrorCode) {
	if req.ChooseId == 0 || req.RtaskId == 0 {
		code = pb.ErrorCode_ReqParameterError
	}
	return
}

func (this *apiComp) Choose(session comm.IUserSession, req *pb.RtaskChooseReq) (code pb.ErrorCode, data proto.Message) {
	if code = this.ChooseCheck(session, req); code != pb.ErrorCode_Success {
		return
	}

	// 获取玩家的任务
	rtask := &pb.DBRtask{}
	if err := this.moduleRtask.modelRtask.Get(session.GetUserId(), rtask); err != nil {
		return
	}

	// 获取当前任务配置
	conf := this.moduleRtask.configure.getRtaskById(req.RtaskId)
	if conf == nil {
		code = pb.ErrorCode_ConfigNoFound
		log.Errorf("rdtask %v no found", req.RtaskId)
		return
	}

	// 获取支线任务配置
	sideConf := this.moduleRtask.configure.getRtaskSidById(req.RtaskSubId)
	if sideConf == nil {
		code = pb.ErrorCode_ConfigNoFound
		log.Errorf("rdtask_side %v no found", req.RtaskSubId)
		return
	}

	//获取选项配置
	chooseCnf := this.moduleRtask.configure.getRtaskChooseCfg(req.ChooseId)
	if chooseCnf == nil {
		code = pb.ErrorCode_ConfigNoFound
		log.Errorf("rdtask_choose %v no found", req.ChooseId)
		return
	}

	// 校验限定条件
	if err, ok := this.moduleRtask.modelRtask.checkCondi(session.GetUserId(), chooseCnf.PreTid); !ok {
		log.Errorf("no reach condi err: %v", err)
		code = pb.ErrorCode_RtaskCondiNoReach
		return
	}

	var (
		frtaskArr *pb.FrtaskIds //完成的任务
		ok        bool
	)

	if frtaskArr, ok = rtask.FrtaskIds[conf.Group]; !ok {
		frtaskArr = &pb.FrtaskIds{}
	}

	//验证该任务是否已完成
	if _, ok := utils.Findx(frtaskArr.RtaskIds, req.RtaskId); ok {
		code = pb.ErrorCode_RtaskFinished
		return
	}

	if chooseCnf.NextTid != 0 {
		// 校验完成条件
		for _, v := range sideConf.EndTid {
			if err, ok := this.moduleRtask.modelRtask.checkCondi(session.GetUserId(), v); !ok {
				this.moduleRtask.Error(err.Error())
				code = pb.ErrorCode_RtaskCondiNoReach
				return
			}
		}
		// 更新完成的任务
		frtaskArr.RtaskIds = append(frtaskArr.RtaskIds, req.RtaskId)
		if rtask.FrtaskIds == nil {
			rtask.FrtaskIds = make(map[int32]*pb.FrtaskIds)
		}
		rtask.FrtaskIds[conf.Group] = frtaskArr
		update := map[string]interface{}{
			"frtaskIds": rtask.FrtaskIds,
		}
		if err := this.moduleRtask.modelRtask.Change(session.GetUserId(), update); err != nil {
			code = pb.ErrorCode_SystemError
			return
		}

		// userexpand update
		if err := this.moduleRtask.modelRtask.updateUserRtaskId(session.GetUserId(), req.RtaskId); err != nil {
			this.moduleRtask.Errorf("update user rtaskId err %v", err)
		}

		// 发奖励
		for _, v := range sideConf.Reward {
			if v.ChooseId == req.ChooseId {
				code = this.moduleRtask.DispenseRes(session, v.Reward, true)
			}
		}

		rsp := &pb.RtaskFinishPush{
			RtaskId: req.RtaskId,
		}
		if err := session.SendMsg(string(this.moduleRtask.GetType()), "finish", rsp); err != nil {
			code = pb.ErrorCode_SystemError
		}
	}

	rsp := &pb.RtaskChooseResp{
		RtaskId:  req.RtaskId,
		ChooseId: req.ChooseId,
	}
	if err := session.SendMsg(string(this.moduleRtask.GetType()), RtaskSubTypeChoose, rsp); err != nil {
		code = pb.ErrorCode_SystemError
	}
	return
}