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from optparse import make_option

from django.core.management.base import NoArgsCommand

from astakos.im.models import AuthProviderPolicyProfile

from ._common import format


class Command(NoArgsCommand):
    help = "List existing authentication provider policy profiles"

    option_list = NoArgsCommand.option_list + (
        make_option('-c',
                    action='store_true',
                    dest='csv',
                    default=False,
                    help="Use pipes to separate values"),
    )

    def handle_noargs(self, **options):
        profiles = AuthProviderPolicyProfile.objects.all()

        labels = ['id', 'name', 'provider', 'exclusive', 'groups', 'users']
        columns = [3, 20, 13, 7, 50, 50]

        if not options['csv']:
            line = ' '.join(l.rjust(w) for l, w in zip(labels, columns))
            self.stdout.write(line + '\n')
            sep = '-' * len(line)
            self.stdout.write(sep + '\n')

        for profile in profiles:
            id = str(profile.pk)
            name = profile.name
            provider = profile.provider
            exclusive = str(profile.is_exclusive)
            groups = ",".join([g.name for g in profile.groups.all()])
            users = ",".join([u.email for u in profile.users.all()])

            field_values = [id, name, provider, exclusive, groups, users]
            fields = (format(elem) for elem in field_values)

            if options['csv']:
                line = '|'.join(fields)
            else:
                line = ' '.join(f.rjust(w) for f, w in zip(fields, columns))

            self.stdout.write(line + '\n')