package settle_account_bill

import (
	"dashoo.cn/micro_libary/request"
	"errors"
	"fmt"
	"github.com/gogf/gf/os/gtime"
	"github.com/gogf/gf/util/gconv"
	"lims_adapter/dao/account"
	"lims_adapter/model"
	accountModel "lims_adapter/model/account"
)

// Service 会议室服务
type Service struct {
	Dao    *account.SettleAccountBillDao
	Tenant string
}

// NewSrv 服务初始化
func NewService(tenant string) Service {
	return Service{Dao: account.NewSettleAccountBillDao(tenant), Tenant: tenant}
}

// List 会议室列表
func (s Service)  List(req model.ListReq) ([]accountModel.SettleAccountBill, int, error) {
	entityModel := s.Dao.M
	where := "1=1"

	if req.Entity != nil {
		entity := new(accountModel.SettleAccountBillReq)
		err := gconv.Struct(req.Entity, entity)
		if err != nil {
			return nil, 0, err
		}
		if entity.MainUserId != 0 {
			where += fmt.Sprintf(" AND MainUserId='%v'", entity.MainUserId)
		}
		if entity.Status != "" {
			where += fmt.Sprintf(" AND Status='%v'", entity.Status)
		}
	}
	entityModel = entityModel.Where(where)
	total, err := entityModel.Count()
	if err != nil {
		return nil, 0, err
	}
	if total == 0 {
		return nil, 0, nil
	}

	res, err := entityModel.Page(req.Current, req.Size).Order("settle_account_bill.CreateOn DESC").Fields("settle_account_bill.*").FindAll()
	if err != nil {
		return nil, 0, err
	}
	if res.IsEmpty() {
		return nil, 0, nil
	}

	list := make([]accountModel.SettleAccountBill, 0)
	err = res.Structs(&list)
	if err != nil {
		return nil, 0, err
	}

	return list, total, nil
}

// 结算
func (s Service) Settle(req accountModel.AccountBillSettleReq, user request.UserInfo) error {
	if req.BillId == 0 || req.Amount == 0 {
		return errors.New("参数缺失")
	}

	tx, err := s.Dao.DB.Begin()
	if err != nil {
		return err
	}
	
	_, err = tx.Update("settle_account_bill", fmt.Sprintf("Status='2',SettleUserId='%v',SettleUser='%v',SettleDate='%v'", user.Id, user.RealName, gtime.Now()), fmt.Sprintf("Id='%v'", req.BillId))
	if err != nil {
		tx.Rollback()
		return err
	}

	_, err = tx.Update("base_account", fmt.Sprintf("Surplus=Surplus-%v", req.Amount), fmt.Sprintf("Id='%v'", req.Amount))
	if err != nil {
		tx.Rollback()
		return err
	}

	return tx.Commit()
}

// 结算
func (s Service) GenerateBill() error {


	return nil
}