using System;
using System.ComponentModel.DataAnnotations;
using System.Net.Http;
using System.Threading.Tasks;
using IdentityModel.Client;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Configuration;
using Volo.Abp.Application.Services;

namespace Win_in.Sfs.Auth.Tokens;

[Route($"api/token")]
public class TokenService : ApplicationService
{
    private readonly IHttpClientFactory _httpClientFactory;
    private readonly IConfiguration _configuration;

    public TokenService(IHttpClientFactory httpClientFactory, IConfiguration configuration)
    {
        this._httpClientFactory = httpClientFactory;
        this._configuration = configuration;
    }

    [HttpPost]
    [AllowAnonymous]
    public async Task<IActionResult> CreateAsync(LoginModel model)
    {
        var address = _configuration["AuthServer:Authority"];
        var request = new DiscoveryDocumentRequest
        {
            Address = address,
            Policy = new DiscoveryPolicy { RequireHttps = false }
        };
        var discovery = await _httpClientFactory.CreateClient().GetDiscoveryDocumentAsync(request).ConfigureAwait(false);
        var clientId = _configuration["AuthServer:ClientId"];
        var clientSecret = _configuration["AuthServer:ClientSecret"];
        Console.WriteLine($"address:{address},TokenEndpoint:{discovery.TokenEndpoint},clientId:{clientId},clientSecret:{clientSecret}");
        var result = await _httpClientFactory.CreateClient().RequestPasswordTokenAsync(new PasswordTokenRequest
        {
            Address = discovery.TokenEndpoint,
            GrantType = "password",
            ClientId = clientId,
            ClientSecret = clientSecret,
            UserName = model.UserName,
            Password = model.Password
        }).ConfigureAwait(false);
        Console.WriteLine($"Result:${(result.IsError ? result.ErrorDescription : result.AccessToken)}");
        return new JsonResult(new {
            result.TokenType,
            result.AccessToken,
            result.ExpiresIn,
            result.RefreshToken,
            result.Scope });
    }
}

[Display]
public class LoginModel
{
    [Display]
    [Required]
    public string UserName { get; set; }

    [Display]
    [Required]
    public string Password { get; set; }
}