# extract_tracking_values.py
import json
import os
from odoo.auth_manager import AuthManager
from odoo.ticket_manager import TicketManager
from odoo.message_manager import MessageManager

CONFIG_FILE = "config.json"

def load_config(path=CONFIG_FILE):
    with open(path, "r") as f:
        return json.load(f)

def extract_tracking_values(ticket_code: str, config_file: str = CONFIG_FILE):
    config = load_config(config_file)
    odoo = config["odoo"]

    # Auth
    auth = AuthManager(
        url=odoo["url"],
        db=odoo["db"],
        username=odoo["username"],
        api_key=odoo["api_key"]
    )
    if not auth.login():
        print("❌ Authentification échouée.")
        return

    # Get ticket
    ticket_manager = TicketManager(auth)
    ticket = ticket_manager.get_ticket_by_code(ticket_code)
    if not ticket or "id" not in ticket:
        print(f"❌ Ticket non trouvé : {ticket_code}")
        return
    ticket_id = ticket["id"]

    # Get messages
    msg_manager = MessageManager(auth)
    messages = msg_manager.get_ticket_messages(ticket_id)

    # Collect tracking IDs
    tracking_ids = []
    for msg in messages:
        tracking_ids.extend(msg.get("tracking_value_ids", []))

    if not tracking_ids:
        print(f"ℹ️ Aucun changement détecté pour le ticket {ticket_code}")
        return

    # Fetch tracking values
    tracking_data = auth.read(
        model="mail.tracking.value",
        ids=tracking_ids,
        fields=["field", "field_desc", "old_value_char", "new_value_char"]
    )

    # Export JSON
    output_path = os.path.join("output", f"tracking_values_{ticket_code}.json")
    os.makedirs("output", exist_ok=True)
    with open(output_path, "w", encoding="utf-8") as f:
        json.dump(tracking_data, f, indent=2, ensure_ascii=False)

    print(f"✅ Modifications sauvegardées dans : {output_path}")

if __name__ == "__main__":
    import argparse
    parser = argparse.ArgumentParser(description="Extract tracking changes for an Odoo ticket.")
    parser.add_argument("ticket_code", help="Code du ticket Odoo (ex: T12345)")
    parser.add_argument("--config", "-c", help="Fichier config", default=CONFIG_FILE)
    args = parser.parse_args()
    extract_tracking_values(args.ticket_code, args.config)