package dao

import (
	"gorm.io/gorm"
	"gorm.io/gorm/clause"
	"hospital-admin-api/api/model"
	"hospital-admin-api/api/requests"
	"hospital-admin-api/global"
)

type BasicArticleClassDao struct {
}

// GetBasicArticleClassById 获取数据-id
func (r *BasicArticleClassDao) GetBasicArticleClassById(BasicClassId int64) (m *model.BasicArticleClass, err error) {
	err = global.Db.First(&m, BasicClassId).Error
	if err != nil {
		return nil, err
	}
	return m, nil
}

// GetBasicArticleClassPreloadById 获取数据-加载全部关联-id
func (r *BasicArticleClassDao) GetBasicArticleClassPreloadById(BasicClassId int64) (m *model.BasicArticleClass, err error) {
	err = global.Db.Preload(clause.Associations).First(&m, BasicClassId).Error
	if err != nil {
		return nil, err
	}
	return m, nil
}

// DeleteBasicArticleClass 删除
func (r *BasicArticleClassDao) DeleteBasicArticleClass(tx *gorm.DB, maps interface{}) error {
	err := tx.Where(maps).Delete(&model.BasicArticleClass{}).Error
	if err != nil {
		return err
	}
	return nil
}

// DeleteBasicArticleClassById 删除-id
func (r *BasicArticleClassDao) DeleteBasicArticleClassById(tx *gorm.DB, BasicArticleClassId int64) error {
	if err := tx.Delete(&model.BasicArticleClass{}, BasicArticleClassId).Error; err != nil {
		return err
	}
	return nil
}

// EditBasicArticleClass 修改
func (r *BasicArticleClassDao) EditBasicArticleClass(tx *gorm.DB, maps interface{}, data interface{}) error {
	err := tx.Model(&model.BasicArticleClass{}).Where(maps).Updates(data).Error
	if err != nil {
		return err
	}
	return nil
}

// EditBasicArticleClassById 修改-id
func (r *BasicArticleClassDao) EditBasicArticleClassById(tx *gorm.DB, BasicClassId int64, data interface{}) error {
	err := tx.Model(&model.BasicArticleClass{}).Where("basic_class_id = ?", BasicClassId).Updates(data).Error
	if err != nil {
		return err
	}
	return nil
}

// GetBasicArticleClassList 获取列表
func (r *BasicArticleClassDao) GetBasicArticleClassList(maps interface{}) (m []*model.BasicArticleClass, err error) {
	err = global.Db.Where(maps).Find(&m).Error
	if err != nil {
		return nil, err
	}
	return m, nil
}

// GetBasicArticleClassCount 获取数量
func (r *BasicArticleClassDao) GetBasicArticleClassCount(maps interface{}) (total int64, err error) {
	err = global.Db.Model(&model.BasicArticleClass{}).Where(maps).Count(&total).Error
	if err != nil {
		return 0, err
	}
	return total, nil
}

// GetBasicArticleClassListRand 获取列表-随机
func (r *BasicArticleClassDao) GetBasicArticleClassListRand(maps interface{}, limit int) (m []*model.BasicArticleClass, err error) {
	err = global.Db.Where(maps).Order("rand()").Limit(limit).Find(&m).Error
	if err != nil {
		return nil, err
	}
	return m, nil
}

// AddBasicArticleClass 新增
func (r *BasicArticleClassDao) AddBasicArticleClass(tx *gorm.DB, model *model.BasicArticleClass) (*model.BasicArticleClass, error) {
	if err := tx.Create(model).Error; err != nil {
		return nil, err
	}
	return model, nil
}

// GetBasicArticleClass 获取
func (r *BasicArticleClassDao) GetBasicArticleClass(maps interface{}) (m *model.BasicArticleClass, err error) {
	err = global.Db.Where(maps).First(&m).Error
	if err != nil {
		return nil, err
	}
	return m, nil
}

// GetBasicArticleClassOrderLimitList 获取列表-排序、限制数量
func (r *BasicArticleClassDao) GetBasicArticleClassOrderLimitList(maps interface{}, orderField string, limit int) (m []*model.BasicArticleClass, err error) {
	err = global.Db.Where(maps).Order(orderField).Limit(limit).Find(&m).Error
	if err != nil {
		return nil, err
	}
	return m, nil
}

// Inc 自增
func (r *BasicArticleClassDao) Inc(tx *gorm.DB, BasicArticleClassId int64, field string, numeral int) error {
	err := tx.Model(&model.BasicArticleClass{}).Where("basic_class_id = ?", BasicArticleClassId).UpdateColumn(field, gorm.Expr(field+" + ?", numeral)).Error
	if err != nil {
		return err
	}
	return nil
}

// Dec 自减
func (r *BasicArticleClassDao) Dec(tx *gorm.DB, BasicArticleClassId int64, field string, numeral int) error {
	err := tx.Model(&model.BasicArticleClass{}).Where("basic_class_id = ?", BasicArticleClassId).UpdateColumn(field, gorm.Expr(field+" - ?", numeral)).Error
	if err != nil {
		return err
	}
	return nil
}

// GetBasicArticleClassSum 获取数量
func (r *BasicArticleClassDao) GetBasicArticleClassSum(maps interface{}, field string) (total float64, err error) {
	var result struct {
		Sum float64
	}

	err = global.Db.Model(&model.BasicArticleClass{}).Where(maps).Select("SUM(" + field + ") as sum").Scan(&result).Error
	if err != nil {
		return 0, err
	}

	return result.Sum, nil
}

// GetBasicArticleClassListByTime 获取列表-开始时间/过期时间
func (r *BasicArticleClassDao) GetBasicArticleClassListByTime(maps interface{}, startTime, endTime, field string) (m []*model.BasicArticleClass, err error) {
	err = global.Db.Where(maps).Where(field+" BETWEEN ? AND ?", startTime, endTime).Find(&m).Error
	if err != nil {
		return nil, err
	}
	return m, nil
}

// GetBasicArticleClassPageSearch 获取列表-分页
func (r *BasicArticleClassDao) GetBasicArticleClassPageSearch(req requests.GetBasicArticleClassPage, page, pageSize int) (m []*model.BasicArticleClass, total int64, err error) {
	var totalRecords int64

	// 构建查询条件
	query := global.Db.Model(&model.BasicArticleClass{})

	// 分类名称
	if req.BasicClassName != "" {
		query = query.Where("basic_class_name LIKE ?", "%"+req.BasicClassName+"%")
	}

	// 排序
	if req.Order != nil {
		if req.Order.BasicClassSort != "" {
			query = query.Order("basic_class_sort " + req.Order.BasicClassSort)
		}
	}

	// 排序
	query = query.Order("created_at desc")

	// 查询总数量
	if err := query.Count(&totalRecords).Error; err != nil {
		return nil, 0, err
	}

	err = query.Scopes(model.Paginate(page, pageSize)).Find(&m).Error
	if err != nil {
		return nil, 0, err
	}
	return m, totalRecords, nil
}

// GetBasicArticleClassListSearch 获取列表
func (r *BasicArticleClassDao) GetBasicArticleClassListSearch(req requests.GetBasicArticleClassList) (m []*model.BasicArticleClass, err error) {
	// 构建查询条件
	query := global.Db.Model(&model.BasicArticleClass{})

	/// 分类名称
	if req.BasicClassName != "" {
		query = query.Where("basic_class_name LIKE ?", "%"+req.BasicClassName+"%")
	}

	// 排序
	query = query.Order("created_at desc")

	err = query.Scopes(model.Paginate(1, 10)).Find(&m).Error
	if err != nil {
		return nil, err
	}
	return m, nil
}