using Azure.Core;
using ApiTools.Core;
using Furion;
using Furion.DatabaseAccessor;
using Furion.DataEncryption;
using Furion.FriendlyException;
using Mapster;
using MediatR;
using Microsoft.AspNetCore.Identity;
using Microsoft.EntityFrameworkCore;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Security.Claims;
using System.Security.Cryptography;
using System.Text;
using System.Threading.Tasks;

namespace ApiTools.UserServer.Application
{
    /// <summary>
    /// 登录命令处理器
    /// </summary>
    public class LoginCommandHandler(
        IRepository<User> rep,
        SmsUtils smsUtils) :
        IRequestHandler<PasswordLoginCommand, LoginCommandCallback>,
        IRequestHandler<SmsLoginCommand, LoginCommandCallback>,
        IRequestHandler<ChangePhoneNumberCommand, bool>
    {
        private readonly IRepository<User> rep = rep;
        private readonly SmsUtils smsUtils = smsUtils;

        /// <summary>
        /// 密码登录
        /// </summary>
        /// <param name="request"></param>
        /// <param name="cancellationToken"></param>
        /// <returns></returns>
        public async Task<LoginCommandCallback> Handle(PasswordLoginCommand request, CancellationToken cancellationToken)
        {
            var user = await rep.AsQueryable().AsNoTracking()
                .Where(it => it.UserName == request.UserName && it.Type == request.Type)
                .FirstOrDefaultAsync(cancellationToken);
            var supplierPassword = App.GetConfig<string>("SupplierPassword");
            if (user == null || !request.Password.CheckPassword(user.Password))
                throw Oops.Oh(EnumUserErrorCodeType.u1000);
            if (user.Status == EnumUserStatus.Disabled)
                throw Oops.Oh(EnumUserErrorCodeType.u1001);
            return user.GetCurrentLogier(request.ClientType);
        }

        /// <summary>
        /// 短信登录
        /// </summary>
        /// <param name="request"></param>
        /// <param name="cancellationToken"></param>
        /// <returns></returns>
        public async Task<LoginCommandCallback> Handle(SmsLoginCommand request, CancellationToken cancellationToken)
        {
            await smsUtils.CheckVerifyCode(new CheckVerifyCodeModel
            {
                PhoneNumber = request.PhoneNumber,
                VerifyCode = request.VerifyCode,
                TemplateCode = EnumSmsTemplateCode.LoginOrRegister
            });
            var user = await rep.AsQueryable().AsNoTracking()
                .Where(it => it.UserName == request.PhoneNumber && it.Type == request.Type)
                .FirstOrDefaultAsync(cancellationToken);
            if (user == null)
                throw Oops.Oh(EnumUserErrorCodeType.u1000);
            if (user.Status == EnumUserStatus.Disabled)
                throw Oops.Oh(EnumUserErrorCodeType.u1001);
            return user.GetCurrentLogier(request.ClientType);
        }

        /// <summary>
        /// 更换手机号
        /// </summary>
        /// <param name="request"></param>
        /// <param name="cancellationToken"></param>
        /// <returns></returns>
        public async Task<bool> Handle(ChangePhoneNumberCommand request, CancellationToken cancellationToken)
        {
            await smsUtils.CheckVerifyCode(new CheckVerifyCodeModel
            {
                PhoneNumber = request.PhoneNumber,
                VerifyCode = request.VerifyCode,
                TemplateCode = EnumSmsTemplateCode.UpdateUserPhoneNumber
            });
            var logier = JwtUtils.GetCurrentLogier();
            var user = await rep.AsQueryable()
                .FirstOrDefaultAsync(it => it.Id == logier.Id);
            if (user == null)
                throw Oops.Oh(EnumErrorCodeType.s404, "当前账号不存在");

            var exist = await rep.AsQueryable()
                .Where(it => it.Type == logier.Type && it.PhoneNumber == request.PhoneNumber && it.Id != user.Id)
                .AnyAsync(cancellationToken);
            if (exist) throw Oops.Oh(EnumUserErrorCodeType.u1010);

            user.UserName = request.PhoneNumber;
            user.PhoneNumber = request.PhoneNumber;
            user.IsCheckPhoneNumber = true;
            return true;
        }
    }
}