package dao

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

type UserCouponDao struct {
}

// GetUserCouponById 获取数据-id
func (r *UserCouponDao) GetUserCouponById(UserCouponId int64) (m *model.UserCoupon, err error) {
	err = global.Db.First(&m, UserCouponId).Error
	if err != nil {
		return nil, err
	}
	return m, nil
}

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

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

// DeleteUserCouponById 删除-id
func (r *UserCouponDao) DeleteUserCouponById(tx *gorm.DB, UserCouponId int64) error {
	if err := tx.Delete(&model.UserCoupon{}, UserCouponId).Error; err != nil {
		return err
	}
	return nil
}

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

// EditUserCouponById 修改-id
func (r *UserCouponDao) EditUserCouponById(tx *gorm.DB, UserCouponId int64, data interface{}) error {
	err := tx.Model(&model.UserCoupon{}).Where("user_coupon_id = ?", UserCouponId).Updates(data).Error
	if err != nil {
		return err
	}
	return nil
}

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

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

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

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

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