package dao

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

type UserDao struct {
}

// GetUserById 获取用户数据-用户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 获取用户数据-加载全部关联-用户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 删除用户
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 删除用户-用户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 修改用户
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 修改用户-用户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 获取用户列表
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
}

// GetUserDaoPageSearch 获取用户列表-分页
func (r *UserDao) GetUserDaoPageSearch(getUserPage 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{})

	// 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
}

// AddUser 新增用户
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
}