package dao

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

type UserDao struct {
}

// GetUserById 获取数据-id
func (r *UserDao) GetUserById(UserId int64) (m *model.User, err error) {
	err = global.Db.First(&m, UserId).Error
	if err != nil {
		return nil, err
	}
	return m, nil
}

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

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

// DeleteUserById 删除-id
func (r *UserDao) DeleteUserById(tx *gorm.DB, UserId int64) error {
	if err := tx.Delete(&model.User{}, UserId).Error; err != nil {
		return err
	}
	return nil
}

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

// EditUserById 修改-id
func (r *UserDao) EditUserById(tx *gorm.DB, UserId int64, data interface{}) error {
	err := tx.Model(&model.User{}).Where("User_id = ?", UserId).Updates(data).Error
	if err != nil {
		return err
	}
	return nil
}

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

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

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

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

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

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

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

// GetUserPageSearch 获取列表-分页
func (r *UserDao) GetUserPageSearch(req requests.GetUserPage, page, pageSize int) (m []*model.User, total int64, err error) {
	var totalRecords int64

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

	// 用户id
	if req.UserId != "" {
		query = query.Where("user_id = ?", req.UserId)
	}

	// app唯一标识
	if req.AppIden != "" {
		query = query.Where("app_iden = ?", req.AppIden)
	}

	// 状态
	if req.UserStatus != 0 {
		query = query.Where("user_status = ?", req.UserStatus)
	}

	// 用户微信标识
	if req.OpenId != "" {
		query = query.Where("open_id LIKE ?", "%"+req.OpenId+"%")
	}

	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
}

// GetUserListByTime 获取列表-今天开始时间/过期时间
func (r *UserDao) GetUserListByTime(maps interface{}, startTime, endTime, field string) (m []*model.User, 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
}