package dao

import (
	"gorm.io/gorm"
	"gorm.io/gorm/clause"
	"vote-api/api/model"
	"vote-api/global"
)

type DataDao struct {
}

// GetDataById 获取数据-id
func (r *DataDao) GetDataById(DataId int64) (m *model.Data, err error) {
	err = global.Db.First(&m, DataId).Error
	if err != nil {
		return nil, err
	}
	return m, nil
}

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

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

// DeleteDataById 删除-id
func (r *DataDao) DeleteDataById(tx *gorm.DB, DataId int64) error {
	if err := tx.Delete(&model.Data{}, DataId).Error; err != nil {
		return err
	}
	return nil
}

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

// EditDataById 修改-id
func (r *DataDao) EditDataById(tx *gorm.DB, DataId int64, data interface{}) error {
	err := tx.Model(&model.Data{}).Where("data_id = ?", DataId).Updates(data).Error
	if err != nil {
		return err
	}
	return nil
}

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

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

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

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

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

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

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

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