#!/usr/bin/env python

# Compile the current translation strings files for testing

import argparse
import json
import os
from pathlib import Path
from shutil import rmtree
import subprocess
import sys


def valid_integration(integration):
    """Test if it's a valid integration."""
    if not Path(f"homeassistant/components/{integration}").exists():
        raise argparse.ArgumentTypeError(
            f"The integration {integration} does not exist."
        )

    return integration


def get_arguments() -> argparse.Namespace:
    """Get parsed passed in arguments."""
    parser = argparse.ArgumentParser(description="Develop Translations")
    parser.add_argument(
        "--integration", type=valid_integration, help="Integration to process."
    )

    arguments = parser.parse_args()

    return arguments


def main():
    """Run the script."""
    if not os.path.isfile("requirements_all.txt"):
        print("Run this from HA root dir")
        return

    args = get_arguments()
    if args.integration:
        integration = args.integration
    else:
        integration = None
        while (
            integration is None
            or not Path(f"homeassistant/components/{integration}").exists()
        ):
            if integration is not None:
                print(f"Integration {integration} doesn't exist!")
                print()
            integration = input("Integration to process: ")

    download_dir = Path("build/translations-download")

    if download_dir.is_dir():
        rmtree(str(download_dir))

    download_dir.mkdir(parents=True)

    subprocess.run("script/translations_upload_merge.py")

    raw_data = json.loads(Path("build/translations-upload.json").read_text())

    if integration not in raw_data["component"]:
        print("Integration has no strings.json")
        sys.exit(1)

    Path("build/translations-download/en.json").write_text(
        json.dumps({"component": {integration: raw_data["component"][integration]}})
    )

    subprocess.run(
        ["script/translations_download_split.py", "--integration", "{integration}"]
    )


if __name__ == "__main__":
    main()