using Blahblah.FlowerStory.Server.Data.Model;
using Microsoft.EntityFrameworkCore;

namespace Blahblah.FlowerStory.Server.Controller;

partial class BaseController
{

    /// <summary>
    /// 根据 uid 获取用户对象
    /// </summary>
    /// <param name="uid">用户唯一 id</param>
    /// <returns></returns>
    protected UserItem? QueryUserItem(int uid)
    {
        return database.Users
            .FromSql($"SELECT \"uid\",\"id\",\"\" AS \"password\",\"level\",\"regdate\",\"activedate\",\"name\",\"email\",\"mobile\",NULL AS \"avatar\" FROM [users] WHERE \"uid\" = {uid} LIMIT 1")
            .SingleOrDefault();
    }

    /// <summary>
    /// 根据 id 获取登录使用的用户对象
    /// </summary>
    /// <param name="id">用户 id</param>
    /// <returns></returns>
    protected UserItem? QueryUserItemForAuthentication(string id)
    {
        return database.Users
            .FromSql($"SELECT \"uid\",\"id\",\"password\",0 AS \"level\",0 AS \"regdate\",\"activedate\",\"\" AS \"name\",NULL AS \"email\",NULL AS \"mobile\",NULL as \"avatar\" FROM [users] WHERE \"id\" = {id} LIMIT 1")
            .SingleOrDefault();
    }

    /// <summary>
    /// 获取用户头像数据
    /// </summary>
    /// <param name="uid">用户唯一 id</param>
    /// <returns></returns>
    protected byte[]? QueryUserAvatar(int uid)
    {
        return database.Database.SqlQuery<byte[]>($"SELECT \"avatar\" AS \"Value\" FROM \"users\" WHERE \"uid\" = {uid} LIMIT 1").SingleOrDefault();
    }

    /// <summary>
    /// 移除用户头像
    /// </summary>
    /// <param name="uid">用户唯一 id</param>
    /// <returns></returns>
    protected int RemoveUserAvatar(int uid)
    {
        return database.Database.ExecuteSql($"UPDATE \"users\" SET \"avatar\" = NULL WHERE \"uid\" = {uid}");
    }

    /// <summary>
    /// 移除用户名下的花草
    /// </summary>
    /// <param name="uid">用户唯一 id</param>
    /// <param name="fid">花草唯一 id</param>
    /// <returns></returns>
    protected int RemoveUserFlower(int uid, int fid)
    {
        return database.Database.ExecuteSql($"DELETE FROM \"flowers\" WHERE \"uid\" = {uid} AND \"fid\" = {fid}");
    }

    /// <summary>
    /// 批量移除用户名下的花草
    /// </summary>
    /// <param name="uid">用户唯一 id</param>
    /// <param name="fids">花草唯一 id 的数组</param>
    /// <returns></returns>
    protected int RemoveUserFlowers(int uid, int[] fids)
    {
        var idfilter = string.Join(", ", fids);
        return database.Database.ExecuteSql($"DELETE FROM \"flowers\" WHERE \"uid\" = {uid} AND \"fid\" IN ({idfilter})");
    }
}