#!/usr/bin/env python3
"""
Background removal operations (placeholder for Phase 5).
"""

import json
import sys
from pathlib import Path

# Add backend to path
sys.path.insert(0, str(Path(__file__).parent))

from services.background_removal import is_available, remove_background_on_export


def main():
    if len(sys.argv) < 2:
        print("Usage: python background_removal.py <command> [args...]", file=sys.stderr)
        sys.exit(1)

    command = sys.argv[1]

    try:
        if command == "is_available":
            result = is_available()
            print(json.dumps({"available": result}))

        elif command == "remove_background_on_export":
            if len(sys.argv) != 6:
                print("Usage: python background_removal.py remove_background_on_export <input_path> <output_path> <replacement> <replacement_value>", file=sys.stderr)
                sys.exit(1)
            input_path = sys.argv[2]
            output_path = sys.argv[3]
            replacement = sys.argv[4]
            replacement_value = sys.argv[5]

            result = remove_background_on_export(input_path, output_path, replacement, replacement_value)
            print(json.dumps({"output_path": result}))

        else:
            print(f"Unknown command: {command}", file=sys.stderr)
            sys.exit(1)

    except Exception as e:
        print(json.dumps({"error": str(e)}), file=sys.stderr)
        sys.exit(1)


if __name__ == "__main__":
    main()