using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using FAuth.Models;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Logging;
using FAuth.DataBase.Tables;
using Microsoft.AspNetCore.Mvc.ModelBinding;
using FAuth.Extensions.Decryptor;

namespace FAuth.Controllers.api
{
    /// <summary>
    /// 用户相关api控制器接口
    /// </summary>
    public class UserController:ApiControllerBase<UserController>
    {
        public IUserTicketDryptor UserTicketDryptor { get; set; }

        public UserController(ILogger<UserController> logger,IServiceProvider service,IUserTicketDryptor userTicketDryptor)
            : base(logger,service) {

            if(logger is null)
                throw new ArgumentNullException(nameof(logger));
            if(service is null)
                throw new ArgumentNullException(nameof(service));
            this.UserTicketDryptor = userTicketDryptor ?? throw new ArgumentNullException(nameof(userTicketDryptor));
        }

        /// <summary>
        /// 验证用户名密码是否匹配
        /// </summary>
        /// <param name="userName">用户名</param>
        /// <param name="password">密码</param>
        /// <returns>是否匹配</returns>
        [HttpPost]
        [ProducesResponseType(typeof(CheckUserResult),200)]
        public CheckUserResult CheckUser(string userName,string password) {
            return new CheckUserResult {
                Result = userName == password,
                Ticket = this.UserTicketDryptor.Encrypt(new UserTicketModel {
                    UserName = userName,
                }),
            };
        }

        /// <summary>
        /// 根据用户凭据获取用户信息
        /// </summary>
        /// <param name="ticket">登录票据</param>
        /// <returns>用户信息</returns>
        [HttpPost]
        [ProducesResponseType(typeof(UserInfo),200)]
        public UserInfo GetUserByTicket([BindRequired]string ticket) {
            var userTicketModel = this.UserTicketDryptor.Decrypt(ticket);
            return new UserInfo {
                UserName = userTicketModel.UserName,
            };
        }

        /// <summary>
        /// 根据提供的登陆票据修改用户密码
        /// </summary>
        /// <param name="ticket">票据</param>
        /// <param name="nPassword">新密码</param>
        /// <returns>是否成功</returns>
        [HttpPost]
        public bool ChangePassword(string ticket,string nPassword) {
            return true;
        }
    }
}