from argparse import ArgumentParser, Namespace

from ...lib.log import NOTICE, log
from .Cmd import Cmd, Parent

class CmdCheck(Cmd):  # export

    def __init__(self, parent: Parent) -> None:
        super().__init__(
            parent,
            'check',
            help = 'Check for circular dependencies between given modules',
        )

    def add_arguments(self, parser: ArgumentParser) -> None:
        super().add_arguments(parser)
        parser.add_argument('module', nargs = '*', help = 'Modules')
        parser.add_argument('-f', '--flavour', nargs = '?', default = 'build')

    async def _run(self, args: Namespace) -> None:
        if self.app.find_circular_deps(args.module, args.flavour):
            log(NOTICE, f'Found circular dependency in flavour {args.flavour}')
            exit(1)
        log(
            NOTICE,
            f'No circular dependency found for flavour {args.flavour} in modules:',
            ' '.join(args.module),
        )