Elecciones-2025/Elecciones-Web/src/Elecciones.Infrastructure/Services/ElectoralApiService.cs

using Elecciones.Core.DTOs;
using Microsoft.Extensions.Configuration;
using System.Collections.Generic;
using System.Net.Http;
using System.Net.Http.Json;
using System.Threading.Tasks;

namespace Elecciones.Infrastructure.Services;

public class ElectoralApiService : IElectoralApiService
{
    private readonly IHttpClientFactory _httpClientFactory;
    private readonly IConfiguration _configuration;

    public ElectoralApiService(IHttpClientFactory httpClientFactory, IConfiguration configuration)
    {
        _httpClientFactory = httpClientFactory;
        _configuration = configuration;
    }

    public async Task<string?> GetAuthTokenAsync()
    {
        var client = _httpClientFactory.CreateClient("ElectoralApiClient");
        var username = _configuration["ElectoralApi:Username"];
        var password = _configuration["ElectoralApi:Password"];

        if (string.IsNullOrEmpty(username) || string.IsNullOrEmpty(password)) return null;

        var request = new HttpRequestMessage(HttpMethod.Get, "/api/createtoken");
        request.Headers.Add("username", username);
        request.Headers.Add("password", password);

        var response = await client.SendAsync(request);
        if (!response.IsSuccessStatusCode) return null;

        var tokenResponse = await response.Content.ReadFromJsonAsync<TokenResponse>();
        return (tokenResponse is { Success: true, Data.AccessToken: not null })
            ? tokenResponse.Data.AccessToken
            : null;
    }

    public async Task<List<CatalogoDto>?> GetCatalogoCompletoAsync(string authToken)
    {
        var client = _httpClientFactory.CreateClient("ElectoralApiClient");
        var request = new HttpRequestMessage(HttpMethod.Get, "/api/catalogo/getCatalogo?categoriald=5");
        request.Headers.Add("Authorization", $"Bearer {authToken}");

        var response = await client.SendAsync(request);
        return response.IsSuccessStatusCode
            ? await response.Content.ReadFromJsonAsync<List<CatalogoDto>>()
            : null;
    }

    public async Task<List<AgrupacionDto>?> GetAgrupacionesAsync(string authToken, string distritoId, int categoriaId)
    {
        var client = _httpClientFactory.CreateClient("ElectoralApiClient");
        var requestUri = $"/api/catalogo/getAgrupaciones?distritold={distritoId}&categoriald={categoriaId}";
        var request = new HttpRequestMessage(HttpMethod.Get, requestUri);
        request.Headers.Add("Authorization", $"Bearer {authToken}");

        var response = await client.SendAsync(request);
        return response.IsSuccessStatusCode
            ? await response.Content.ReadFromJsonAsync<List<AgrupacionDto>>()
            : null;
    }

    public async Task<ResultadosDto?> GetResultadosAsync(string authToken, string distritoId, string seccionId, string municipioId)
    {
        var client = _httpClientFactory.CreateClient("ElectoralApiClient");

        // Construimos la URL con todos los parámetros requeridos. Usamos categoría 5 (Diputados) como ejemplo.
        var requestUri = $"/api/resultados/getResultados?distritold={distritoId}&seccionld={seccionId}&municipiold={municipioId}&categoriald=5";

        var request = new HttpRequestMessage(HttpMethod.Get, requestUri);
        request.Headers.Add("Authorization", $"Bearer {authToken}");

        var response = await client.SendAsync(request);

        if (!response.IsSuccessStatusCode)
        {
            return null;
        }

        return await response.Content.ReadFromJsonAsync<ResultadosDto>();
    }
}