"""
Script para procesar correos específicos por ID desde tools/ids_prueba.json.
No modifica el código existente del pipeline.

Uso (desde cualquier directorio):
    python tools/consulta_rapida.py --set <nombre_del_set>
"""
import sys
import os
import json
import argparse
import requests
from datetime import datetime, timedelta
from dotenv import load_dotenv

# Raíz del proyecto en sys.path para importar los módulos del pipeline
RAIZ = os.path.join(os.path.dirname(os.path.abspath(__file__)), "..")
sys.path.insert(0, RAIZ)

import database_utilities
import logger_manager
from pipeline import _procesar_un_correo, step_authenticate


# ============================================================================
# OBTENER CORREO POR ID
# ============================================================================
def get_email_by_id(user_email: str, token: str, message_id: str) -> dict | None:
    """Obtiene un correo desde Microsoft Graph por su ID de mensaje."""
    url = f"https://graph.microsoft.com/v1.0/users/{user_email}/messages/{message_id}"
    headers = {"Authorization": f"Bearer {token}"}
    resp = requests.get(url, headers=headers, verify=False)
    if resp.status_code != 200:
        print(f"   ❌ Error al obtener mensaje {message_id}: HTTP {resp.status_code}")
        return None
    msg = resp.json()
    utc_str = msg.get("receivedDateTime", "")
    dt_utc = datetime.fromisoformat(utc_str.replace("Z", "+00:00"))
    dt_local = dt_utc - timedelta(hours=5)
    from_obj = msg.get("from", {})
    sender = from_obj.get("emailAddress", {}).get("address", "Desconocido")
    return {
        "id": msg.get("id"),
        "fecha": dt_local.strftime("%Y-%m-%d %H:%M:%S"),
        "sender": sender,
        "subject": msg.get("subject", ""),
        "has_attach": msg.get("hasAttachments"),
    }


# ============================================================================
# PIPELINE PARA IDS
# ============================================================================
def run_pipeline_for_ids(ids: list[str]) -> None:
    # Ruta absoluta: no depende del directorio de trabajo desde el que se lance el proceso
    load_dotenv(dotenv_path=os.path.join(RAIZ, ".env"))
    email_addr = os.getenv("EMAIL", "")
    download_folder = os.getenv("DOWNLOAD_FOLDER", "adjuntos")
    output_folder = os.getenv("OUTPUT_FOLDER", "resultado")

    if not email_addr:
        print("❌ EMAIL no configurado en .env")
        return

    database_utilities.init_db()
    token = step_authenticate()
    if not token:
        return

    for msg_id in ids:
        email = get_email_by_id(email_addr, token, msg_id.strip())
        if not email:
            continue
        _procesar_un_correo(email, token, email_addr, download_folder, output_folder)


# ============================================================================
# MAIN
# ============================================================================
if __name__ == "__main__":
    parser = argparse.ArgumentParser(
        description="Procesar correos específicos por set de IDs desde tools/ids_prueba.json"
    )
    parser.add_argument(
        "--set", "-s", required=True,
        help="Nombre del set en tools/ids_prueba.json"
    )
    args = parser.parse_args()

    json_path = os.path.join(os.path.dirname(os.path.abspath(__file__)), "ids_prueba.json")
    if not os.path.exists(json_path):
        print(f"❌ No se encuentra {json_path}")
        sys.exit(1)

    with open(json_path) as f:
        sets = json.load(f)

    if args.set not in sets:
        print(f"❌ Set '{args.set}' no encontrado. Disponibles: {', '.join(sets.keys())}")
        sys.exit(1)

    ids = sets[args.set]["ids"]
    descripcion = sets[args.set].get("descripcion", "")
    print(f"\n📋 Set: {args.set} — {descripcion}")
    print(f"   IDs a procesar: {len(ids)}")

    logger_manager.setup_logging()

    inicio = datetime.now()
    print("\n" + "=" * 60)
    print(f"🚀 INICIO DE EJECUCIÓN: {inicio.strftime('%Y-%m-%d %H:%M:%S')}")
    print(f"📄 Log guardado en: {logger_manager.LOG_FILE}")
    print("=" * 60)

    run_pipeline_for_ids(ids)

    fin = datetime.now()
    duracion = fin - inicio
    print("\n" + "=" * 60)
    print(f"🏁 FIN DE EJECUCIÓN: {fin.strftime('%Y-%m-%d %H:%M:%S')}")
    print(f"⏱️ Duración total: {str(duracion).split('.')[0]}")
    print("=" * 60)