using Apimanager_backend.Config;
using Apimanager_backend.Data;
using Apimanager_backend.Dtos;
using Apimanager_backend.Exceptions;
using Apimanager_backend.Models;
using AutoMapper;
using Microsoft.AspNetCore.Connections.Features;
using Microsoft.EntityFrameworkCore;
using System.ComponentModel;

namespace Apimanager_backend.Services
{
    public class UserService : IUserService
    {
        private readonly ApiContext apiContext;
        private readonly IMapper mapper;
        public UserService(ApiContext apiContext,IMapper automapper)
        {
            this.apiContext = apiContext;
            this.mapper = automapper;
        }
        public Task BanUserAsync(string username)
        {
            throw new NotImplementedException();
        }

        public Task<UserInfoDto> CreateUserAsync(CreateUserDto user)
        {
            throw new NotImplementedException();
        }

        public Task DeleteUserAsync(string username)
        {
            throw new NotImplementedException();
        }

        public Task<UserInfoDto> GetUserAsync(string username)
        {
            throw new NotImplementedException();
        }

        public Task<List<UserInfoDto>> GetUsersAsync(int page, int pageSize, bool desc)
        {
            throw new NotImplementedException();
        }

        public async Task<UserInfoDto> LoginAsync(string username, string password)
        {
            //查找用户
            User? user = await apiContext.Users.SingleOrDefaultAsync(x => 
                x.Username == username && x.PassHash == password
            );

            //用户不存在或密码错误都为登录失败
            if(user == null)
            {
                throw new BaseException(2001, "Invalid username or password");
            }

            //用户被禁用
            if (user.IsBan)
            {
                throw new BaseException(2002, "User account is disabled");
            }

            return mapper.Map<UserInfoDto>(user);
        }

        public Task ResetPasswordAsync(string email, string token, string newPassword)
        {
            throw new NotImplementedException();
        }

        public Task SendResetPasswordEmailAsync(string email)
        {
            throw new NotImplementedException();
        }

        public Task UnbanUserAsync(string username)
        {
            throw new NotImplementedException();
        }

        public Task<UserInfoDto> UpdateUserAsync(UpdateUserDto user)
        {
            throw new NotImplementedException();
        }
    }
}