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;
using static Elecciones.Core.DTOs.BancaDto;

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;
    }

    // --- MÉTODOS DE LA INTERFAZ ---

    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");
        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);
        return response.IsSuccessStatusCode
            ? await response.Content.ReadFromJsonAsync<ResultadosDto>()
            : null;
    }

    public async Task<RepartoBancasDto?> GetBancasAsync(string authToken, string distritoId, string seccionId)
    {
        var client = _httpClientFactory.CreateClient("ElectoralApiClient");
        var requestUri = $"/api/resultados/getBancas?distritold={distritoId}&seccionld={seccionId}&categoriald=5";
        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<RepartoBancasDto>()
            : null;
    }

    public async Task<List<string[]>?> GetTelegramasTotalizadosAsync(string authToken, string distritoId, string seccionId)
    {
        var client = _httpClientFactory.CreateClient("ElectoralApiClient");
        var requestUri = $"/api/resultados/getTelegramasTotalizados?distritold={distritoId}&seccionld={seccionId}";
        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<string[]>>()
            : null;
    }

    public async Task<TelegramaFileDto?> GetTelegramaFileAsync(string authToken, string mesaId)
    {
        var client = _httpClientFactory.CreateClient("ElectoralApiClient");
        var requestUri = $"/api/resultados/getFile?mesald={mesaId}";
        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<TelegramaFileDto>()
            : null;
    }

    public async Task<ResumenDto?> GetResumenAsync(string authToken, string distritoId)
    {
        var client = _httpClientFactory.CreateClient("ElectoralApiClient");
        var requestUri = $"/api/resultados/getResumen?distritold={distritoId}";
        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<ResumenDto>() : null;
    }

    public async Task<EstadoRecuentoGeneralDto?> GetEstadoRecuentoGeneralAsync(string authToken, string distritoId)
    {
        var client = _httpClientFactory.CreateClient("ElectoralApiClient");
        var requestUri = $"/api/estados/estadoRecuento?distritold={distritoId}";
        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<EstadoRecuentoGeneralDto>() : null;
    }

    public async Task<List<CategoriaDto>?> GetCategoriasAsync(string authToken)
    {
        var client = _httpClientFactory.CreateClient("ElectoralApiClient");
        var request = new HttpRequestMessage(HttpMethod.Get, "/api/catalogo/getCategorias");
        request.Headers.Add("Authorization", $"Bearer {authToken}");
        var response = await client.SendAsync(request);
        return response.IsSuccessStatusCode
            ? await response.Content.ReadFromJsonAsync<List<CategoriaDto>>()
            : null;
    }
}