package model

import (
	"time"
)

type DocumentCategory struct {
	Id        int       `json:"id" gorm:"primaryKey"`
	Name      string    `json:"name" gorm:"not null"`
	Slug      string    `json:"slug" gorm:"type:varchar(255);uniqueIndex;not null"`
	ParentId  *int      `json:"parent_id" gorm:"index"`
	SortOrder int       `json:"sort_order" gorm:"default:0"`
	CreatedAt time.Time `json:"created_at" gorm:"autoCreateTime"`
}

func GetDocumentCategories() ([]*DocumentCategory, error) {
	var categories []*DocumentCategory
	err := DB.Order("sort_order ASC, id ASC").Find(&categories).Error
	return categories, err
}

func GetDocumentCategoryTree() ([]*DocumentCategory, error) {
	var categories []*DocumentCategory
	err := DB.Order("sort_order ASC, id ASC").Find(&categories).Error
	return categories, err
}

func CreateDocumentCategory(category *DocumentCategory) error {
	return DB.Create(category).Error
}

func UpdateDocumentCategory(category *DocumentCategory) error {
	return DB.Model(category).Select("name", "slug", "parent_id", "sort_order").Updates(category).Error
}

func DeleteDocumentCategory(id int) error {
	return DB.Delete(&DocumentCategory{}, id).Error
}