using System.Text;
using Dlhis.Middle.Request;
using Dlhis.Middle.Services;
using Microsoft.AspNetCore.Mvc;
using Newtonsoft.Json.Linq;

namespace Dlhis.Middle.Controllers;

/// <summary>
/// OAuth2认证
/// </summary>
[Route("api/user/[controller]")]
[ApiController]
public class OAuth2Controller : ControllerBase
{
    private readonly IHttpClientFactory _httpClientFactory;
    private readonly IConfiguration _configuration;
    private readonly IHealthCheckService _healthCheckService;

    public OAuth2Controller(IHttpClientFactory httpClientFactory, IConfiguration configuration, IHealthCheckService healthCheckService)
    {
        _httpClientFactory = httpClientFactory;
        _configuration = configuration;
        _healthCheckService = healthCheckService;
    }

    [HttpPost("clientgrant")]
    public async Task<object> ClientGrant(ClientGrantRequest request)
    {
        var authority = _configuration.GetSection("Authority").Value;
        var httpClient = _httpClientFactory.CreateClient("face");

        if (_healthCheckService.GetIsOffline())
        {
            return new
            {
                access_token = "123",
                expires_in = 36000,
                token_type = "Bearer",
                scope = "yikatong"
            };
        }

        var content = new StringContent($"grant_type=client_credentials&client_id={request.ClientId}&client_secret={request.ClientSecret}&scope={request.Scope}", Encoding.UTF8, "application/x-www-form-urlencoded");
        var response = await httpClient.PostAsync($"{authority}/oauth2/connect/token", content);
        var result = await response.Content.ReadAsStringAsync();
        return JObject.Parse(result);
    }
}