"""CLI for deterministic single scenarios or the local regression suite."""
import argparse
import json
from pathlib import Path
from .simulator import compare, list_scenarios, load_manifest_text, load_scenario, run_suite


def main():
    parser = argparse.ArgumentParser(description=__doc__)
    parser.add_argument('--scenario', choices=list_scenarios(), default='stale_flight')
    parser.add_argument('--suite', action='store_true')
    parser.add_argument('--manifest', type=Path)
    parser.add_argument('--no-recovery', action='store_true')
    parser.add_argument('--output', type=Path)
    args = parser.parse_args()
    text = args.manifest.read_text() if args.manifest else load_manifest_text()
    result = (run_suite(text, not args.no_recovery) if args.suite else
              compare(load_scenario(args.scenario), text, not args.no_recovery))
    output = json.dumps(result, indent=2, ensure_ascii=False, allow_nan=False) + '\n'
    if args.output:
        args.output.parent.mkdir(parents=True, exist_ok=True)
        args.output.write_text(output)
        print(f'Saved {args.output}')
    else:
        print(output)


if __name__ == '__main__':
    main()