package dao

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

type UserCollectionDao struct {
}

// GetUserCollectionById 获取数据-id
func (r *UserCollectionDao) GetUserCollectionById(UserCollectionId int64) (m *model.UserCollection, err error) {
	err = global.Db.First(&m, UserCollectionId).Error
	if err != nil {
		return nil, err
	}
	return m, nil
}

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

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

// DeleteUserCollectionById 删除-id
func (r *UserCollectionDao) DeleteUserCollectionById(tx *gorm.DB, UserCollectionId int64) error {
	if err := tx.Delete(&model.UserCollection{}, UserCollectionId).Error; err != nil {
		return err
	}
	return nil
}

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

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

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

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

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

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

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

// GetUserCollectionPageSearch 获取列表-分页
func (r *UserCollectionDao) GetUserCollectionPageSearch(req requests.GetUserCollectionPage, page, pageSize int) (m []*model.UserCollection, total int64, err error) {
	var totalRecords int64

	// 构建查询条件
	query := global.Db.Model(&model.UserCollection{})
	query = query.Where("user_id = ?", req.UserId)

	query = query.Preload("Question")

	subQuery := global.Db.Model(&model.Question{}).
		Where("question.question_id  = user_collection.question_id").
		Where("question.question_status  = ?", 1).
		Where("question.is_hide  = ?", 0)
	query = query.Where("EXISTS (?)", subQuery)

	// 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
}