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import logging
import sys

from webkitpy.common.checkout.changelog import ChangeLog
from webkitpy.tool.steps.abstractstep import AbstractStep
from webkitpy.tool.steps.options import Options

_log = logging.getLogger(__name__)


# FIXME: Some of this logic should probably be unified with CommitterValidator?
class ValidateReviewer(AbstractStep):
    @classmethod
    def options(cls):
        return AbstractStep.options() + [
            Options.non_interactive,
        ]

    def run(self, state):
        # FIXME: For now we disable this check when a user is driving the script
        # this check is too draconian (and too poorly tested) to foist upon users.
        if not self._options.non_interactive:
            return
        for changelog_path in self.cached_lookup(state, "changelogs"):
            changelog_entry = ChangeLog(changelog_path).latest_entry()
            if changelog_entry.has_valid_reviewer():
                continue
            reviewer_text = changelog_entry.reviewer_text()
            if reviewer_text:
                _log.info("%s found in %s does not appear to be a valid reviewer according to contributors.json." % (reviewer_text, changelog_path))
            _log.error('%s neither lists a valid reviewer nor contains the string "Unreviewed" or "Rubber stamp" (case insensitive).' % changelog_path)
            sys.exit(1)