package dao

import (
	"gorm.io/gorm"
	"knowledge/api/model"
	"knowledge/api/requests"
	"knowledge/global"
)

type LabelDao struct {
}

// GetLabelFirstById 获取数据-id
// roleId 用户id
func (r *LabelDao) GetLabelFirstById(LabelId int64) (m *model.Label, err error) {
	err = global.Db.First(&m, LabelId).Error
	if err != nil {
		return nil, err
	}
	return m, nil
}

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

// DeleteLabelById 删除-id
func (r *LabelDao) DeleteLabelById(tx *gorm.DB, LabelId int64) error {
	if err := tx.Delete(&model.Label{}, LabelId).Error; err != nil {
		return err
	}
	return nil
}

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

// EditLabelById 修改-id
func (r *LabelDao) EditLabelById(tx *gorm.DB, LabelId int64, data interface{}) error {
	err := tx.Model(&model.Label{}).Where("label_id = ?", LabelId).Updates(data).Error
	if err != nil {
		return err
	}
	return nil
}

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

// GetLabelCount 获取数量
func (r *LabelDao) GetLabelCount(maps interface{}) (total int64, err error) {
	var totalRecords int64
	err = global.Db.Model(&model.Label{}).Where(maps).Count(&totalRecords).Error

	if err != nil {
		return 0, err
	}
	return totalRecords, nil
}

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

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

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

	// 主键id
	if req.LabelId != "" {
		query = query.Where("label_id = ?", req.LabelId)
	}

	// 标签名称
	if req.LabelName != "" {
		query = query.Where("label_name LIKE ?", "%"+req.LabelName+"%")
	}

	// 父级ID
	if req.ParentId != "" {
		query = query.Where("parent_id = ?", req.ParentId)
	}

	// 级别
	if req.LabelLevel != nil {
		query = query.Where("label_level = ?", req.LabelLevel)
	}

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

	err = query.Find(&m).Error
	if err != nil {
		return nil, err
	}
	return m, nil
}