#!/usr/bin/env python3
"""
Script de debug para ver el canonical request y string to sign
"""

from adif_auth import AdifAuthenticator
import json

ACCESS_KEY = "and20210615"
SECRET_KEY = "Jthjtr946RTt"

def debug_auth(url, payload, title):
    """
    Muestra el canonical request y string to sign para debug
    """
    print("\n" + "="*70)
    print(title)
    print("="*70)

    auth = AdifAuthenticator(access_key=ACCESS_KEY, secret_key=SECRET_KEY)

    # Usar el mismo user_id y timestamp para ambos
    from datetime import datetime
    import uuid

    user_id = "test-user-123"
    date = datetime(2025, 12, 4, 21, 0, 0)  # Fecha fija para debugging

    from urllib.parse import urlparse
    parsed = urlparse(url)
    host = parsed.netloc
    path = parsed.path
    params = parsed.query or ""

    client = "AndroidElcanoApp"
    content_type = "application/json;charset=utf-8"

    timestamp = auth.get_timestamp(date)
    date_simple = auth.get_date(date)

    # Preparar canonical request
    canonical_request, signed_headers = auth.prepare_canonical_request(
        "POST", path, params, payload, content_type, host, client, timestamp, user_id
    )

    # Preparar string to sign
    string_to_sign = auth.prepare_string_to_sign(
        timestamp, date_simple, client, user_id, canonical_request
    )

    # Calcular firma
    signature = auth.calculate_signature(string_to_sign, date_simple, client)

    print(f"\nURL: {url}")
    print(f"Payload: {json.dumps(payload, separators=(',', ':'))}\n")

    print("CANONICAL REQUEST:")
    print("-" * 70)
    print(canonical_request)
    print("-" * 70)

    print("\nSTRING TO SIGN:")
    print("-" * 70)
    print(string_to_sign)
    print("-" * 70)

    print(f"\nSIGNATURE: {signature}")


# Test 1: Departures (funciona)
url1 = "https://circulacion.api.adif.es/portroyalmanager/secure/circulationpaths/departures/traffictype/"
payload1 = {
    "commercialService": "BOTH",
    "commercialStopType": "BOTH",
    "page": {"pageNumber": 0},
    "stationCode": "10200",
    "trafficType": "ALL"
}

debug_auth(url1, payload1, "DEPARTURES (funciona ✅)")

# Test 2: BetweenStations (no funciona)
url2 = "https://circulacion.api.adif.es/portroyalmanager/secure/circulationpaths/betweenstations/traffictype/"
payload2 = {
    "commercialService": "BOTH",
    "commercialStopType": "BOTH",
    "originStationCode": "10200",
    "destinationStationCode": "71801",
    "page": {"pageNumber": 0},
    "trafficType": "ALL"
}

debug_auth(url2, payload2, "BETWEENSTATIONS (no funciona ❌)")