import argparse
import json
from erminig.controllers.evezh import check
from erminig.models.db import init_db


def main():
    parser = argparse.ArgumentParser(description="Evezh – Veille logicielle artisanale")
    subparsers = parser.add_subparsers(dest="command")

    init_parser = subparsers.add_parser("init", help="Initialiser la base de données")

    check_parser = subparsers.add_parser("check")
    check_parser.add_argument("--config")
    check_parser.add_argument("--output")
    check_parser.add_argument("--stdout", action="store_true")

    sync_parser = subparsers.add_parser("sync")
    sync_parser.add_argument("--config", required=True)
    sync_parser.add_argument("--db", required=True)

    args = parser.parse_args()

    if args.command == "init":
        init_db()

    if args.command == "check":
        state = check.load_state(args.output) if args.output else {}
        results = check.check_versions(args.config, state)
        new_state = {}
        updated = []

        for r in results:
            name, version, url = r["name"], r["version"], r["url"]
            if state.get(name, {}).get("version") != version:
                updated.append(r)
            new_state[name] = {"version": version, "url": url}

        if args.output:
            check.save_state(args.output, new_state)

        if updated:
            print(f"\n{len(updated)} mise(s) à jour détectée(s) :")
            for r in updated:
                print(f" - {r['name']} → {r['version']}")
        else:
            print("Aucun changement détecté.")

        if args.stdout:
            print("\n--- Résultat complet ---")
            print(json.dumps(results, indent=2))

    elif args.command == "sync":
        check.sync_db(args.config)