#!/usr/bin/env python3
"""
Start Data Collection Service

Simple script to start the cryptocurrency data collection service
with clean console output and proper configuration.

Usage:
    python scripts/start_data_collection.py [options]

Examples:
    # Start with default configuration (indefinite run)
    python scripts/start_data_collection.py
    
    # Run for 8 hours with default config
    python scripts/start_data_collection.py --hours 8
    
    # Use custom configuration file
    python scripts/start_data_collection.py --config config/my_config.json
    
    # Run for 24 hours with custom config
    python scripts/start_data_collection.py --config config/production.json --hours 24
"""

import asyncio
import argparse
import sys
from pathlib import Path

# Add project root to path
project_root = Path(__file__).parent.parent
sys.path.insert(0, str(project_root))

from data.collection_service import run_data_collection_service


def display_banner(config_path: str, duration_hours: float = None):
    """Display service startup banner."""
    print("🚀 CRYPTOCURRENCY DATA COLLECTION SERVICE")
    print("=" * 55)
    print(f"📁 Configuration: {config_path}")
    
    if duration_hours:
        print(f"⏱️  Duration: {duration_hours} hours")
    else:
        print("⏱️  Duration: Indefinite (until stopped)")
    
    print("📊 Logging: Essential events only (connections, errors)")
    print("💾 Storage: PostgreSQL + Redis")
    print("🔍 Monitor: python scripts/monitor_clean.py")
    print("⏹️  Stop: Ctrl+C")
    print("=" * 55)


def main():
    """Main entry point."""
    parser = argparse.ArgumentParser(
        description="Start Cryptocurrency Data Collection Service",
        formatter_class=argparse.RawDescriptionHelpFormatter,
        epilog="""
Examples:
  # Start with default configuration (indefinite)
  python scripts/start_data_collection.py
  
  # Run for 8 hours
  python scripts/start_data_collection.py --hours 8
  
  # Use custom configuration
  python scripts/start_data_collection.py --config config/custom.json
  
  # Production run for 24 hours
  python scripts/start_data_collection.py --config config/production.json --hours 24

Configuration:
  The service will create a default configuration file if none exists.
  Default location: config/data_collection.json
  
  The configuration includes:
  - Exchange settings (OKX by default)
  - Trading pairs (BTC-USDT, ETH-USDT by default)
  - Data types and timeframes
  - Health monitoring settings
        """
    )
    
    parser.add_argument(
        '--config', 
        default="config/data_collection.json",
        help='Configuration file path (default: config/data_collection.json)'
    )
    
    parser.add_argument(
        '--hours',
        type=float,
        help='Collection duration in hours (default: indefinite until Ctrl+C)'
    )
    
    parser.add_argument(
        '--quiet',
        action='store_true',
        help='Suppress banner and start directly'
    )
    
    args = parser.parse_args()
    
    # Validate arguments
    if args.hours is not None and args.hours <= 0:
        print("❌ Duration must be positive")
        sys.exit(1)
    
    # Display banner unless quiet mode
    if not args.quiet:
        display_banner(args.config, args.hours)
    
    try:
        # Start the service
        print("🎯 Starting service..." if not args.quiet else "")
        
        success = asyncio.run(run_data_collection_service(
            config_path=args.config,
            duration_hours=args.hours
        ))
        
        if success:
            print("✅ Service completed successfully" if not args.quiet else "")
            sys.exit(0)
        else:
            print("❌ Service failed" if not args.quiet else "")
            sys.exit(1)
            
    except KeyboardInterrupt:
        print("\n👋 Service interrupted by user")
        sys.exit(0)
    except Exception as e:
        print(f"❌ Fatal error: {e}")
        sys.exit(1)


if __name__ == "__main__":
    main()