# Copyright (C) 2016-2024 RhodeCode GmbH
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License, version 3
# (only), as published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
# This program is dual-licensed. If you wish to learn more about the
# RhodeCode Enterprise Edition, including its added features, Support services,
# and proprietary license terms, please see https://rhodecode.com/licenses/

import logging

from rhodecode.translation import lazy_ugettext
from rhodecode.events.repo import RepoEvent, _commits_as_dict, _issues_as_dict

log = logging.getLogger(__name__)


class PullRequestEvent(RepoEvent):
    """
    Base class for pull request events.

    :param pullrequest: a :class:`PullRequest` instance
    """

    name = "pullrequest-event"
    display_name = lazy_ugettext("pullrequest generic event")
    description = lazy_ugettext("All events within a context of a pull request")

    def __init__(self, pullrequest, context=None):
        super().__init__(pullrequest.target_repo, context=context)
        self.pullrequest = pullrequest
        self.context = self._context

    def as_dict(self):
        from rhodecode.lib.utils2 import md5_safe
        from rhodecode.model.pull_request import PullRequestModel

        data = super().as_dict()

        commits = _commits_as_dict(self, commit_ids=self.pullrequest.revisions, repos=[self.pullrequest.source_repo])
        issues = _issues_as_dict(commits)
        # calculate hashes of all commits for unique identifier of commits
        # inside that pull request
        commits_hash = md5_safe(":".join(x.get("raw_id", "") for x in commits))

        data.update(
            {
                "pullrequest": {
                    "title": self.pullrequest.title,
                    "issues": issues,
                    "pull_request_id": self.pullrequest.pull_request_id,
                    "url": PullRequestModel().get_url(self.pullrequest, request=self.request),
                    "permalink_url": PullRequestModel().get_url(self.pullrequest, request=self.request, permalink=True),
                    "shadow_url": PullRequestModel().get_shadow_clone_url(self.pullrequest, request=self.request),
                    "status": self.pullrequest.calculated_review_status(),
                    "commits_uid": commits_hash,
                    "commits": commits,
                },
                "context": self.context,
            }
        )
        return data


class PullRequestCreateEvent(PullRequestEvent):
    """
    An instance of this class is emitted as an :term:`event` after a pull
    request is created.
    """

    name = "pullrequest-create"
    display_name = lazy_ugettext("pullrequest created")
    description = lazy_ugettext("Event triggered after pull request was created")


class PullRequestCloseEvent(PullRequestEvent):
    """
    An instance of this class is emitted as an :term:`event` after a pull
    request is closed.
    """

    name = "pullrequest-close"
    display_name = lazy_ugettext("pullrequest closed")
    description = lazy_ugettext("Event triggered after pull request was closed")


class PullRequestUpdateEvent(PullRequestEvent):
    """
    An instance of this class is emitted as an :term:`event` after a pull
    request's commits have been updated.
    """

    name = "pullrequest-update"
    display_name = lazy_ugettext("pullrequest commits updated")
    description = lazy_ugettext("Event triggered after pull requests was updated")


class PullRequestReviewEvent(PullRequestEvent):
    """
    An instance of this class is emitted as an :term:`event` after a pull
    request review has changed. A status defines new status of review.
    """

    name = "pullrequest-review"
    display_name = lazy_ugettext("pullrequest review changed")
    description = lazy_ugettext("Event triggered after a review status of a pull requests has changed to other.")

    def __init__(self, pullrequest, status, context=None):
        super().__init__(pullrequest, context=context)
        self.status = status


class PullRequestMergeEvent(PullRequestEvent):
    """
    An instance of this class is emitted as an :term:`event` after a pull
    request is merged.
    """

    name = "pullrequest-merge"
    display_name = lazy_ugettext("pullrequest merged")
    description = lazy_ugettext("Event triggered after a successful merge operation was executed on a pull request")


class PullRequestCommentEvent(PullRequestEvent):
    """
    An instance of this class is emitted as an :term:`event` after a pull
    request comment is created.
    """

    name = "pullrequest-comment"
    display_name = lazy_ugettext("pullrequest commented")
    description = lazy_ugettext("Event triggered after a comment was made on a code in the pull request")

    def __init__(self, pullrequest, comment, context=None):
        super().__init__(pullrequest, context=context)
        self.comment = comment

    def as_dict(self):
        from rhodecode.model.comment import CommentsModel

        data = super().as_dict()

        status = None
        if self.comment.status_change:
            status = self.comment.review_status

        data.update(
            {
                "comment": {
                    "status": status,
                    "text": self.comment.text,
                    "type": self.comment.comment_type,
                    "file": self.comment.f_path,
                    "line": self.comment.line_no,
                    "version": self.comment.last_version,
                    "url": CommentsModel().get_url(self.comment, request=self.request),
                    "permalink_url": CommentsModel().get_url(self.comment, request=self.request, permalink=True),
                },
                "context": self.context,
            }
        )
        return data


class PullRequestCommentEditEvent(PullRequestEvent):
    """
    An instance of this class is emitted as an :term:`event` after a pull
    request comment is edited.
    """

    name = "pullrequest-comment-edit"
    display_name = lazy_ugettext("pullrequest comment edited")
    description = lazy_ugettext("Event triggered after a comment was edited on a code in the pull request")

    def __init__(self, pullrequest, comment):
        super().__init__(pullrequest)
        self.comment = comment

    def as_dict(self):
        from rhodecode.model.comment import CommentsModel

        data = super().as_dict()

        status = None
        if self.comment.status_change:
            status = self.comment.review_status

        data.update(
            {
                "comment": {
                    "status": status,
                    "text": self.comment.text,
                    "type": self.comment.comment_type,
                    "file": self.comment.f_path,
                    "line": self.comment.line_no,
                    "version": self.comment.last_version,
                    "url": CommentsModel().get_url(self.comment, request=self.request),
                    "permalink_url": CommentsModel().get_url(self.comment, request=self.request, permalink=True),
                },
                "context": self.context
            }
        )
        return data