using System;
using System.IO;
using System.Net.Http;
using System.Text;
using System.Threading.Tasks;

class Program
{
    private static readonly HttpClient client = new HttpClient();

    static async Task Main(string[] args)
    {
        string token = "TU_TOKEN_API_DE_64_CARACTERES";
        string json = "{ ... }"; // Tu JSON del comprobante

        // 1. Enviar comprobante (Retorna JSON)
        string sendUrl = "https://api-facturacion.cmocsofts.com/send";
        var reqSend = new HttpRequestMessage(HttpMethod.Post, sendUrl);
        reqSend.Headers.Add("Authorization", "Bearer " + token);
        reqSend.Content = new StringContent(json, Encoding.UTF8, "application/json");
        var resSend = await client.SendAsync(reqSend);
        string resJson = await resSend.Content.ReadAsStringAsync();
        Console.WriteLine("Response JSON: " + resJson);

        // 2. Descargar XML Firmado al vuelo (Escribe archivo .xml)
        string xmlUrl = "https://api-facturacion.cmocsofts.com/get-signed-xml";
        var reqXml = new HttpRequestMessage(HttpMethod.Post, xmlUrl);
        reqXml.Headers.Add("Authorization", "Bearer " + token);
        reqXml.Content = new StringContent(json, Encoding.UTF8, "application/json");
        var resXml = await client.SendAsync(reqXml);
        if (resXml.IsSuccessStatusCode) {
            byte[] xmlBytes = await resXml.Content.ReadAsByteArrayAsync();
            File.WriteAllBytes("comprobante.xml", xmlBytes);
            Console.WriteLine("XML descargado correctamente.");
        }

        // 3. Descargar CDR ZIP de SUNAT al vuelo (Escribe archivo .zip)
        string cdrUrl = "https://api-facturacion.cmocsofts.com/get-cdr";
        var reqCdr = new HttpRequestMessage(HttpMethod.Post, cdrUrl);
        reqCdr.Headers.Add("Authorization", "Bearer " + token);
        reqCdr.Content = new StringContent(json, Encoding.UTF8, "application/json");
        var resCdr = await client.SendAsync(reqCdr);
        if (resCdr.IsSuccessStatusCode) {
            byte[] zipBytes = await resCdr.Content.ReadAsByteArrayAsync();
            File.WriteAllBytes("R-comprobante.zip", zipBytes);
            Console.WriteLine("CDR ZIP descargado correctamente.");
        }
    }
}

Imports System.IO
Imports System.Net.Http
Imports System.Text

Module Program
    Private ReadOnly client As New HttpClient()

    Sub Main()
        EjecutarAPI().Wait()
    End Sub

    Async Function EjecutarAPI() As Task
        Dim token As String = "TU_TOKEN_API_DE_64_CARACTERES"
        Dim json As String = "{ ... }"

        ' 1. Enviar comprobante
        Dim sendUrl As String = "https://api-facturacion.cmocsofts.com/send"
        Dim reqSend As New HttpRequestMessage(HttpMethod.Post, sendUrl)
        reqSend.Headers.Add("Authorization", "Bearer " & token)
        reqSend.Content = New StringContent(json, Encoding.UTF8, "application/json")
        Dim resSend As HttpResponseMessage = Await client.SendAsync(reqSend)
        Dim resJson As String = Await resSend.Content.ReadAsStringAsync()
        Console.WriteLine("Response JSON: " & resJson)

        ' 2. Descargar XML Firmado
        Dim xmlUrl As String = "https://api-facturacion.cmocsofts.com/get-signed-xml"
        Dim reqXml As New HttpRequestMessage(HttpMethod.Post, xmlUrl)
        reqXml.Headers.Add("Authorization", "Bearer " & token)
        reqXml.Content = New StringContent(json, Encoding.UTF8, "application/json")
        Dim resXml As HttpResponseMessage = Await client.SendAsync(reqXml)
        If resXml.IsSuccessStatusCode Then
            Dim xmlBytes As Byte() = Await resXml.Content.ReadAsByteArrayAsync()
            File.WriteAllBytes("comprobante.xml", xmlBytes)
            Console.WriteLine("XML descargado.")
        End If

        ' 3. Descargar CDR ZIP
        Dim cdrUrl As String = "https://api-facturacion.cmocsofts.com/get-cdr"
        Dim reqCdr As New HttpRequestMessage(HttpMethod.Post, cdrUrl)
        reqCdr.Headers.Add("Authorization", "Bearer " & token)
        reqCdr.Content = New StringContent(json, Encoding.UTF8, "application/json")
        Dim resCdr As HttpResponseMessage = Await client.SendAsync(reqCdr)
        If resCdr.IsSuccessStatusCode Then
            Dim zipBytes As Byte() = Await resCdr.Content.ReadAsByteArrayAsync()
            File.WriteAllBytes("R-comprobante.zip", zipBytes)
            Console.WriteLine("CDR ZIP descargado.")
        End If
    End Function
End Module

import java.io.FileOutputStream;
import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;

public class Main {
    private static final HttpClient client = HttpClient.newHttpClient();

    public static void main(String[] args) {
        try {
            String token = "TU_TOKEN_API_DE_64_CARACTERES";
            String json = "{ ... }";

            // 1. Enviar comprobante
            String sendUrl = "https://api-facturacion.cmocsofts.com/send";
            HttpRequest reqSend = HttpRequest.newBuilder()
                    .uri(URI.create(sendUrl))
                    .header("Content-Type", "application/json")
                    .header("Authorization", "Bearer " + token)
                    .POST(HttpRequest.BodyPublishers.ofString(json))
                    .build();
            HttpResponse<String> resSend = client.send(reqSend, HttpResponse.BodyHandlers.ofString());
            System.out.println("Response: " + resSend.body());

            // 2. Descargar XML Firmado
            String xmlUrl = "https://api-facturacion.cmocsofts.com/get-signed-xml";
            HttpRequest reqXml = HttpRequest.newBuilder()
                    .uri(URI.create(xmlUrl))
                    .header("Content-Type", "application/json")
                    .header("Authorization", "Bearer " + token)
                    .POST(HttpRequest.BodyPublishers.ofString(json))
                    .build();
            HttpResponse<byte[]> resXml = client.send(reqXml, HttpResponse.BodyHandlers.ofByteArray());
            if (resXml.statusCode() == 200) {
                try (FileOutputStream fos = new FileOutputStream("comprobante.xml")) {
                    fos.write(resXml.body());
                }
                System.out.println("XML guardado.");
            }

            // 3. Descargar CDR ZIP
            String cdrUrl = "https://api-facturacion.cmocsofts.com/get-cdr";
            HttpRequest reqCdr = HttpRequest.newBuilder()
                    .uri(URI.create(cdrUrl))
                    .header("Content-Type", "application/json")
                    .header("Authorization", "Bearer " + token)
                    .POST(HttpRequest.BodyPublishers.ofString(json))
                    .build();
            HttpResponse<byte[]> resCdr = client.send(reqCdr, HttpResponse.BodyHandlers.ofByteArray());
            if (resCdr.statusCode() == 200) {
                try (FileOutputStream fos = new FileOutputStream("R-comprobante.zip")) {
                    fos.write(resCdr.body());
                }
                System.out.println("CDR ZIP guardado.");
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}