package service

import (
	"electricity_bill_calc/config"
	"electricity_bill_calc/global"
	"electricity_bill_calc/model"

	"xorm.io/builder"
)

type _EndUserService struct{}

var EndUserService _EndUserService

func (_EndUserService) SearchEndUserRecord(reportId, keyword string, page int) ([]model.EndUserDetail, int64, error) {
	cond := builder.NewCond().And(builder.Eq{"report_id": reportId})
	if len(keyword) > 0 {
		cond = cond.And(
			builder.Like{"customer_name", keyword}.
				Or(builder.Like{"contact_name", keyword}).
				Or(builder.Like{"contact_phone", keyword}).
				Or(builder.Like{"meter_04kv_id", keyword}),
		)
	}
	total, err := global.DBConn.
		Table(&model.EndUserDetail{}).
		Where(cond).
		Count()
	if err != nil {
		return make([]model.EndUserDetail, 0), -1, err
	}
	startItem := (page - 1) * config.ServiceSettings.ItemsPageSize
	endUsers := make([]model.EndUserDetail, 0)
	err = global.DBConn.
		Where(cond).
		Limit(config.ServiceSettings.ItemsPageSize, startItem).
		Asc("seq").
		Find(&endUsers)
	return endUsers, total, err
}

func (_EndUserService) AllEndUserRecord(reportId string) ([]model.EndUserDetail, error) {
	users := make([]model.EndUserDetail, 0)
	err := global.DBConn.
		Where(builder.Eq{"report_id": reportId}).
		Asc("seq").
		Find(&users)
	return users, err
}