"""
CLI argument parser for Clover - A terminal assistant for AI-powered project management
"""

import argparse
import sys

def parse_args():
    """
    Parse command line arguments for Clover CLI
    """
    parser = argparse.ArgumentParser(
        prog='clover',
        description='Clover - AI-powered terminal assistant for project management',
        formatter_class=argparse.RawDescriptionHelpFormatter,
        epilog="""
Examples:
  clover /list                    # List available models
  clover /init                    # Initialize project summary
  clover /timeout 300             # Set timeout to 300 seconds
  clover /threads 5               # Set thread limit to 5
  clover "Write a Python function to calculate factorial"
"""
    )

    # Positional argument for general prompts (no leading slash)
    parser.add_argument('prompt', nargs='?', help='Prompt for AI assistant')

    # Command arguments (starting with /)
    parser.add_argument('/list', action='store_true',
                       help='List available models on the server')
    parser.add_argument('/init', action='store_true',
                       help='Initialize project summary file')
    parser.add_argument('/timeout', type=int, metavar='SECONDS',
                       help='Set timeout duration for AI operations')
    parser.add_argument('/threads', type=int, metavar='COUNT',
                       help='Set maximum number of threads for concurrent operations')

    return parser.parse_args()

def print_help():
    """Print help message"""
    print("Clover CLI Tool")
    print("=" * 40)
    print("Available commands:")
    print("  /list         - List available models on the server")
    print("  /init         - Initialize project summary file")
    print("  /timeout SECS - Set timeout duration for AI operations")
    print("  /threads N    - Set maximum number of threads for concurrent operations")
    print("")
    print("Examples:")
    print("  clover /list")
    print("  clover /init")
    print("  clover /timeout 300")
    print("  clover /threads 5")
    print("  clover \"Write a Python function to calculate factorial\"")