using FlexJobApi.Core;
using Furion.DatabaseAccessor;
using Furion.DataEncryption;
using Furion.FriendlyException;
using Mapster;
using MediatR;
using Microsoft.EntityFrameworkCore;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace FlexJobApi.User.Application
{
    /// <summary>
    /// 密码登录
    /// </summary>
    public class PasswordLoginCommandHandler(
        IRepository<UserAuth> userAuthRep,
        IRepository<UserInfo> userInfoRep) 
        : IRequestHandler<PasswordLoginCommand, PasswordLoginCommandCallback>
    {
        private readonly IRepository<UserAuth> userAuthRep = userAuthRep;
        private readonly IRepository<UserInfo> userInfoRep = userInfoRep;

        /// <inheritdoc/>
        public async Task<PasswordLoginCommandCallback> Handle(PasswordLoginCommand request, CancellationToken cancellationToken)
        {
            var userInfo = await userInfoRep.AsQueryable().AsNoTracking()
                .Include(it => it.UserAuth)
                .Where(it => it.UserAuth.UserName == request.UserName && it.Type == request.Type)
                .Select(it => new
                {
                    it.Id,
                    it.Avatar,
                    it.Level,
                    it.UserAuth.Name,
                    it.UserAuth.UserName,
                    it.UserAuth.PhoneNumber,
                    it.UserAuth.Password
                })
                .FirstOrDefaultAsync(cancellationToken);
            if (userInfo == null 
                || !PBKDF2Encryption.Compare(request.Password, userInfo.Password))
                throw Oops.Oh(EnumUserErrorCodeType.u1000);

            var logier = new CurrentLogier
            {
                UserInfoId = userInfo.Id,
                Avatar = userInfo.Avatar,
                Name = userInfo.Name,
                UserName = userInfo.UserName,
                PhoneNumber = userInfo.PhoneNumber,
                Level = userInfo.Level,
            };
            JwtUtils.GenerateToken(logier);

            return new PasswordLoginCommandCallback
            { 
                AccessToken = logier.AccessToken,
                RefreshToken = logier.RefreshToken,
            };
        }
    }
}