#!/usr/bin/env python3
"""
Finds refactoring opportunities in codebases

Engine ID: 10.4

Usage:
    python3 scripts/refactoring_opportunity_finder.py --output proposals/refactoring_opportunity_finder.json
    python3 scripts/refactoring_opportunity_finder.py --output proposals/refactoring_opportunity_finder.json --dry-run
"""

import argparse
import json
import sys
from datetime import datetime, timezone


def generate_proposals():
    """Generate sample proposals for this engine."""
    # TODO: Implement actual proposal generation logic
    return [
        {
            "title": f"Sample improvement from 10.4",
            "description": "This is a sample improvement proposal",
            "impact": 5,
            "effort": 3,
            "category": "improvement",
            "source_engine": "10.4",
            "timestamp": datetime.now(timezone.utc).isoformat()
        }
    ]


def main():
    parser = argparse.ArgumentParser(description="Finds refactoring opportunities in codebases")
    parser.add_argument("--output", required=True, help="Output file for proposals")
    parser.add_argument("--dry-run", action="store_true", help="Don't write output file")
    
    args = parser.parse_args()
    
    proposals = generate_proposals()
    
    if not args.dry_run:
        with open(args.output, "w") as f:
            json.dump({"proposals": proposals}, f, indent=2)
        print(f"Generated {len(proposals)} proposals -> {args.output}")
    else:
        print(f"Would generate {len(proposals)} proposals")
        for p in proposals:
            print(f"  - {p['title']}")


if __name__ == "__main__":
    main()