#!/usr/bin/env python3
"""
Scrape congressional trades from alternative sources.
Options:
1. Senate Stock Watcher (if available)
2. QuiverQuant (requires API key)
3. Capitol Trades (web scraping - be careful)
4. Manual CSV import
"""

import csv
import logging
from datetime import datetime
from pathlib import Path

from pote.db import get_session
from pote.ingestion.trade_loader import TradeLoader

logging.basicConfig(level=logging.INFO)
logger = logging.getLogger(__name__)


def import_from_csv(csv_path: str):
    """
    Import trades from CSV file.
    
    CSV format:
    name,party,chamber,state,ticker,side,value_min,value_max,transaction_date,disclosure_date
    """
    
    logger.info(f"Reading trades from {csv_path}")
    
    with open(csv_path, 'r') as f:
        reader = csv.DictReader(f)
        transactions = []
        
        for row in reader:
            # Convert CSV row to transaction format
            txn = {
                "representative": row["name"],
                "party": row["party"],
                "house": row["chamber"],  # "House" or "Senate"
                "state": row.get("state", ""),
                "district": row.get("district", ""),
                "ticker": row["ticker"],
                "transaction": row["side"].capitalize(),  # "Purchase" or "Sale"
                "amount": f"${row['value_min']} - ${row['value_max']}",
                "transaction_date": row["transaction_date"],
                "disclosure_date": row.get("disclosure_date", row["transaction_date"]),
            }
            transactions.append(txn)
    
    logger.info(f"Loaded {len(transactions)} transactions from CSV")
    
    # Ingest into database
    with next(get_session()) as session:
        loader = TradeLoader(session)
        stats = loader.ingest_transactions(transactions, source="csv_import")
        
        logger.info(f"✅ Ingested: {stats['officials_created']} officials, "
                   f"{stats['securities_created']} securities, "
                   f"{stats['trades_ingested']} trades")


def create_sample_csv(output_path: str = "trades_template.csv"):
    """Create a template CSV file for manual entry."""
    
    template_data = [
        {
            "name": "Bernie Sanders",
            "party": "Independent",
            "chamber": "Senate",
            "state": "VT",
            "district": "",
            "ticker": "COIN",
            "side": "sell",
            "value_min": "15001",
            "value_max": "50000",
            "transaction_date": "2024-12-01",
            "disclosure_date": "2024-12-15",
        },
        {
            "name": "Alexandria Ocasio-Cortez",
            "party": "Democrat",
            "chamber": "House",
            "state": "NY",
            "district": "NY-14",
            "ticker": "PLTR",
            "side": "buy",
            "value_min": "1001",
            "value_max": "15000",
            "transaction_date": "2024-11-15",
            "disclosure_date": "2024-12-01",
        },
    ]
    
    with open(output_path, 'w', newline='') as f:
        writer = csv.DictWriter(f, fieldnames=template_data[0].keys())
        writer.writeheader()
        writer.writerows(template_data)
    
    logger.info(f"✅ Created template CSV: {output_path}")
    logger.info("Edit this file and run: python scripts/scrape_alternative_sources.py import <file>")


def main():
    """Main entry point."""
    import sys
    
    if len(sys.argv) < 2:
        print("Usage:")
        print("  python scripts/scrape_alternative_sources.py template  # Create CSV template")
        print("  python scripts/scrape_alternative_sources.py import <csv_file>  # Import from CSV")
        sys.exit(1)
    
    command = sys.argv[1]
    
    if command == "template":
        create_sample_csv()
    elif command == "import":
        if len(sys.argv) < 3:
            print("Error: Please specify CSV file to import")
            sys.exit(1)
        import_from_csv(sys.argv[2])
    else:
        print(f"Unknown command: {command}")
        sys.exit(1)


if __name__ == "__main__":
    main()