#!/usr/bin/env python3
# /// script
# requires-python = ">=3.12"
# dependencies = ["openapi-python-client"]
# ///
"""Regenerate the TfL Journey API client from the OpenAPI specification."""

# Run it with:
#   uv run generate_tfl_client.py

import shutil
import subprocess
from pathlib import Path

OPENAPI_SPEC = Path("Journey.yaml")
OUTPUT_PATH = Path("tfl_journey_client")


def main() -> None:
    if not OPENAPI_SPEC.exists():
        raise FileNotFoundError(f"OpenAPI spec not found: {OPENAPI_SPEC}")

    # Remove existing client if present
    if OUTPUT_PATH.exists():
        print(f"Removing existing client at {OUTPUT_PATH}")
        shutil.rmtree(OUTPUT_PATH)

    # Generate the client
    print(f"Generating client from {OPENAPI_SPEC}")
    result = subprocess.run(
        ["openapi-python-client", "generate", "--path", str(OPENAPI_SPEC), "--output-path", str(OUTPUT_PATH)],
        check=True,
    )

    if result.returncode == 0:
        print(f"Client generated successfully at {OUTPUT_PATH}")
    else:
        print("Client generation failed")
        raise SystemExit(1)


if __name__ == "__main__":
    main()