package authentication

import (
	"errors"
	edp "simrs-vx/internal/domain/main-entities/division-position"
	ee "simrs-vx/internal/domain/main-entities/employee"

	pa "simrs-vx/pkg/auth-helper"

	dg "github.com/karincake/apem/db-gorm-pg"
	"gorm.io/gorm"
)

// just return the error code
func getAndCheck(input, condition any) (eCode string) {
	result := dg.I.Where(condition).Find(&input)
	if result.Error != nil {
		return "fetch-fail"
	} else if result.RowsAffected == 0 {
		return "auth-login-incorrect"
	}

	return ""
}

func getDocName(id uint) string {
	return "authentication"
}

func getDivisionPosition(user_id uint) ([]pa.DivisionPosition, error) {
	var result []pa.DivisionPosition

	var employee ee.Employee
	if err := dg.I.Where("\"User_Id\" = ?", user_id).First(&employee).Error; err != nil {
		if err == gorm.ErrRecordNotFound {
			return result, nil
		}
		return result, errors.New("no employee found")
	}

	var divisionPositions []edp.DivisionPosition
	err := dg.I.
		Preload("Division").
		Where("\"Employee_Id\" = ?", employee.Id).
		Find(&divisionPositions).Error
	if err != nil {
		if err == gorm.ErrRecordNotFound {
			return result, nil
		}
		return result, err
	}

	for _, dp := range divisionPositions {
		result = append(result, pa.DivisionPosition{
			Division_Code: func() string {
				if dp.Division != nil {
					return dp.Division.Code
				}
				return ""
			}(),
			DivisionPosition_Code: dp.Code,
		})
	}

	return result, nil
}