#!/usr/bin/env python3
"""
Standalone script to fetch Polymarket menu data and export as JSON.
Run this on your local machine to avoid network timeout issues.

Usage:
    python fetch_menu_data.py [--num-items N] [--output output.json]
"""

import argparse
import json
import sys
from datetime import datetime, timezone
from pathlib import Path
from dotenv import load_dotenv

# Load environment variables from .env file
load_dotenv()

# Import the generator from email3.py
from email3 import PolymarketEmailGenerator


def main():
    parser = argparse.ArgumentParser(
        description="Fetch Polymarket menu data and export as JSON"
    )
    parser.add_argument(
        "--num-items",
        type=int,
        default=10,
        help="Number of items per section (default: 10)",
    )
    parser.add_argument(
        "--output",
        type=str,
        default="menu_data.json",
        help="Output JSON file path (default: menu_data.json)",
    )

    args = parser.parse_args()

    print("Starting Polymarket menu data fetch...")
    print(f"   Items per section: {args.num_items}")
    print()

    try:
        # Create generator instance
        generator = PolymarketEmailGenerator(num_items=args.num_items)

        # Build menu (this fetches all data including breaking news)
        print("Fetching menu data...")
        menu_entries = generator.build_menu(verbose=True)

        # Format as MenuResponse structure
        menu_response = {
            "generated_at": datetime.now(timezone.utc).isoformat(),
            "items": menu_entries,
        }

        # Write to JSON file
        output_path = Path(args.output)
        with open(output_path, "w", encoding="utf-8") as f:
            json.dump(menu_response, f, indent=2, ensure_ascii=False)

        print()
        print(f"Success! Menu data exported to: {output_path}")
        print(f"   Total items: {len(menu_entries)}")

        # Show breakdown by category
        categories = {}
        for item in menu_entries:
            cat = item.get("category", "unknown")
            categories[cat] = categories.get(cat, 0) + 1

        print(f"   Categories: {categories}")

        return 0

    except KeyboardInterrupt:
        print("\nInterrupted by user")
        return 1
    except Exception as e:
        print(f"\nError: {e}", file=sys.stderr)
        import traceback
        traceback.print_exc()
        return 1


if __name__ == "__main__":
    sys.exit(main())