package vehicle

import (
	"server/dao"
	"server/global"
)

type vehicleRecordService struct{}

func NewVehicleRecordService() *vehicleRecordService {
	return &vehicleRecordService{}
}

// GetVehicleRecordByID 根据ID获取车辆记录
func (s *vehicleRecordService) GetVehicleRecordByID(id uint) (dao.VehicleRecord, error) {
	var record dao.VehicleRecord
	result := global.GVA_DB.First(&record, id)
	if result.RowsAffected == 0 {
		return dao.VehicleRecord{}, result.Error
	}
	return record, nil
}

// ListVehicleRecordsByPlateNumber 根据车牌号获取车辆记录列表
func (s *vehicleRecordService) ListVehicleRecordsByPlateNumber(plateNumber string, page, pageSize int) (int64, []dao.VehicleRecord, error) {
	var records []dao.VehicleRecord
	var total int64

	query := global.GVA_DB.Model(&dao.VehicleRecord{}).Where("plate_number = ?", plateNumber)

	// 计算总数
	query.Count(&total)

	// 分页查询
	offset := (page - 1) * pageSize
	result := query.Order("entry_time DESC").Offset(offset).Limit(pageSize).Find(&records)
	if result.Error != nil {
		return 0, nil, result.Error
	}

	return total, records, nil
}

// ListVehicleRecords 获取所有车辆记录列表
func (s *vehicleRecordService) ListVehicleRecords(page, pageSize int) (int64, []dao.VehicleRecord, error) {
	var records []dao.VehicleRecord
	var total int64

	query := global.GVA_DB.Model(&dao.VehicleRecord{})

	// 计算总数
	query.Count(&total)

	// 分页查询
	offset := (page - 1) * pageSize
	result := query.Order("entry_time DESC").Offset(offset).Limit(pageSize).Find(&records)
	if result.Error != nil {
		return 0, nil, result.Error
	}

	return total, records, nil
}