package category

import (
	"context"
	"git.echol.cn/loser/lckt/global"
	"git.echol.cn/loser/lckt/model/category"
	categoryReq "git.echol.cn/loser/lckt/model/category/request"
)

type CategoryService struct{}

// CreateCategory 创建类别记录
// Author [yourname](https://github.com/yourname)
func (catService *CategoryService) CreateCategory(ctx context.Context, cat *category.Category) (err error) {
	err = global.GVA_DB.Create(cat).Error
	return err
}

// DeleteCategory 删除类别记录
// Author [yourname](https://github.com/yourname)
func (catService *CategoryService) DeleteCategory(ctx context.Context, ID string) (err error) {
	err = global.GVA_DB.Delete(&category.Category{}, "id = ?", ID).Error
	return err
}

// DeleteCategoryByIds 批量删除类别记录
// Author [yourname](https://github.com/yourname)
func (catService *CategoryService) DeleteCategoryByIds(ctx context.Context, IDs []string) (err error) {
	err = global.GVA_DB.Delete(&[]category.Category{}, "id in ?", IDs).Error
	return err
}

// UpdateCategory 更新类别记录
// Author [yourname](https://github.com/yourname)
func (catService *CategoryService) UpdateCategory(ctx context.Context, cat category.Category) (err error) {
	err = global.GVA_DB.Model(&category.Category{}).Where("id = ?", cat.ID).Updates(&cat).Error
	return err
}

// GetCategory 根据ID获取类别记录
// Author [yourname](https://github.com/yourname)
func (catService *CategoryService) GetCategory(ctx context.Context, ID string) (cat category.Category, err error) {
	err = global.GVA_DB.Where("id = ?", ID).First(&cat).Error
	return
}

// GetCategoryInfoList 分页获取类别记录
// Author [yourname](https://github.com/yourname)
func (catService *CategoryService) GetCategoryInfoList(ctx context.Context, info categoryReq.CategorySearch) (list []category.Category, total int64, err error) {
	limit := info.PageSize
	offset := info.PageSize * (info.Page - 1)
	// 创建db
	db := global.GVA_DB.Model(&category.Category{})
	var cats []category.Category
	// 如果有条件搜索 下方会自动创建搜索语句
	if info.StartCreatedAt != nil && info.EndCreatedAt != nil {
		db = db.Where("created_at BETWEEN ? AND ?", info.StartCreatedAt, info.EndCreatedAt)
	}
	err = db.Count(&total).Error
	if err != nil {
		return
	}
	var OrderStr string
	orderMap := make(map[string]bool)
	orderMap["name"] = true
	orderMap["order"] = true
	if orderMap[info.Sort] {
		OrderStr = info.Sort
		if info.Order == "descending" {
			OrderStr = OrderStr + " desc"
		}
		db = db.Order(OrderStr)
	}

	if limit != 0 {
		db = db.Limit(limit).Offset(offset)
	}

	err = db.Find(&cats).Error
	return cats, total, err
}
func (catService *CategoryService) GetCategoryPublic(ctx context.Context) {
	// 此方法为获取数据源定义的数据
	// 请自行实现
}