# Copyright (c) 2010 Google Inc. All rights reserved.
#
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# modification, are permitted provided that the following conditions are
# met:
#
#     * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#     * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
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# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# WebKit's python module for holding information on a commit

from webkitpy.common.checkout.changelog import view_source_url
from webkitpy.common.config.committers import CommitterList


class CommitInfo(object):
    def __init__(self, revision, committer_email, changelog_data, committer_list=CommitterList()):
        self._revision = revision
        self._committer_email = committer_email
        self._bug_id = changelog_data["bug_id"]
        self._author_name = changelog_data["author_name"]
        self._author_email = changelog_data["author_email"]
        self._author = changelog_data["author"]
        self._reviewer_text = changelog_data["reviewer_text"]
        self._reviewer = changelog_data["reviewer"]

        # Derived values:
        self._committer = committer_list.committer_by_email(committer_email)

    def revision(self):
        return self._revision

    def committer(self):
        return self._committer  # None if committer isn't in committers.py

    def committer_email(self):
        return self._committer_email

    def bug_id(self):
        return self._bug_id  # May be None

    def author(self):
        return self._author  # May be None

    def author_name(self):
        return self._author_name

    def author_email(self):
        return self._author_email

    def reviewer(self):
        return self._reviewer # May be None

    def reviewer_text(self):
        return self._reviewer_text # May be None

    def responsible_parties(self):
        responsible_parties = [
            self.committer(),
            self.author(),
            self.reviewer(),
        ]
        return set([party for party in responsible_parties if party]) # Filter out None

    # FIXME: It is slightly lame that this "view" method is on this "model" class (in MVC terms)
    def blame_string(self, bugs):
        string = "r%s:\n" % self.revision()
        string += "  %s\n" % view_source_url(self.revision())
        string += "  Bug: %s (%s)\n" % (self.bug_id(), bugs.bug_url_for_bug_id(self.bug_id()))
        author_line = "\"%s\" <%s>" % (self.author_name(), self.author_email())
        string += "  Author: %s\n" % (self.author() or author_line)
        string += "  Reviewer: %s\n" % (self.reviewer() or self.reviewer_text())
        string += "  Committer: %s" % self.committer()
        return string