package wtask

import (
	"go_dreamfactory/comm"
	"go_dreamfactory/pb"
	cfg "go_dreamfactory/sys/configure/structs"
)

// 参数校验
func (this *apiComp) ExchangeCheck(session comm.IUserSession, req *pb.WTaskExchangeReq) (errdata *pb.ErrorData) {

	return
}

// /获取系统公告
func (this *apiComp) Exchange(session comm.IUserSession, req *pb.WTaskExchangeReq) (errdata *pb.ErrorData) {
	var (
		info *pb.DBWTask
		conf *cfg.GameWorldDealData
		err  error
	)
	if errdata = this.ExchangeCheck(session, req); errdata != nil {
		return
	}

	if conf, err = this.module.configure.getGameWorldDeal(req.Eid); err != nil {
		errdata = &pb.ErrorData{
			Code:    pb.ErrorCode_ConfigNoFound,
			Title:   pb.ErrorCode_ConfigNoFound.ToString(),
			Message: err.Error(),
		}
		return
	}

	if info, err = this.module.modelwtask.getUserWTasks(session.GetUserId()); err != nil {
		errdata = &pb.ErrorData{
			Code:    pb.ErrorCode_DBError,
			Title:   pb.ErrorCode_DBError.ToString(),
			Message: err.Error(),
		}
		return
	}

	if info.Exchange[req.Eid] >= conf.Buy {
		errdata = &pb.ErrorData{
			Code:    pb.ErrorCode_ReqParameterError,
			Title:   pb.ErrorCode_ReqParameterError.ToString(),
			Message: err.Error(),
		}
		return
	}

	if errdata = this.module.ConsumeRes(session, conf.Item, true); errdata != nil {
		return
	}

	if errdata = this.module.DispenseRes(session, conf.Money, true); errdata != nil {
		return
	}
	info.Exchange[req.Eid]++
	if err = this.module.modelwtask.Change(session.GetUserId(), map[string]interface{}{
		"exchange": info.Exchange,
	}); err != nil {
		errdata = &pb.ErrorData{
			Code:    pb.ErrorCode_DBError,
			Title:   pb.ErrorCode_DBError.ToString(),
			Message: err.Error(),
		}
		return
	}
	session.SendMsg(string(this.module.GetType()), "exchange", &pb.WTaskExchangeReq{Eid: req.Eid})
	return
}