from datetime import datetime

from zope.interface import implements

from zope.component import createObject
from zope.component import getMultiAdapter

from zope.viewlet.interfaces import IViewlet

from Acquisition import aq_inner, aq_parent

from Products.Five.browser import BrowserView
from Products.Five.browser.pagetemplatefile import ViewPageTemplateFile

from Products.CMFCore.utils import getToolByName

from plone.app.discussion.interfaces import IComment, IReplies
from plone.app.discussion.conversation import conversationAdapterFactory

from plone.app.discussion.comment import CommentFactory


class View(BrowserView):
    """Comment View
    """

    def __call__(self):
        # Redirect from /path/to/object/++conversation++default/123456789
        # to /path/to/object#comment-123456789
        comment_id = aq_parent(self).id
        self.request.response.redirect(aq_parent(aq_parent(aq_parent(self))).absolute_url() + '#comment-' + comment_id)

class CommentsViewlet(BrowserView):
    """Discussion Viewlet
    """

    implements(IViewlet)

    template = ViewPageTemplateFile('comments.pt')

    def __init__(self, context, request, view, manager):
        super(CommentsViewlet, self).__init__(context, request)
        self.__parent__ = view
        self.view = view
        self.manager = manager
        self.portal_state = getMultiAdapter((context, self.request), name=u"plone_portal_state")

    def update(self):
        pass

    def replies(self):
        # Return all direct replies
        conversation = conversationAdapterFactory(self.context)
        return conversation.getThreads()

    def format_time(self, time):
        # TODO: to localized time not working!!!
        #util = getToolByName(self.context, 'translation_service')
        #return util.ulocalized_time(time, 1, self.context, domain='plonelocales')
        return time

class AddComment(BrowserView):
    """Add a comment to a conversation
    """

    def __call__(self):

        if self.request.has_key('form.button.AddComment'):

            subject = self.request.get('subject')
            text = self.request.get('body_text')

            # The add-comment view is called on the conversation object
            conversation = self.context

            # Create the comment
            comment = CommentFactory()
            comment.title = subject
            comment.text = text

            portal_membership = getToolByName(self.context, 'portal_membership')

            if portal_membership.isAnonymousUser():
                # TODO: Not implemented yet
                pass
            else:
                member = portal_membership.getAuthenticatedMember()
                comment.creator = member.getProperty('fullname')
                comment.author_username = member.getUserName()
                comment.author_name = member.getProperty('fullname')
                comment.author_email = member.getProperty('email')
                comment.creation_date = comment.modification_date = datetime.now()

            # Add comment to the conversation
            comment_id = conversation.addComment(comment)

            # Redirect to the comment
            self.request.response.redirect(aq_parent(aq_inner(self.context)).absolute_url())

class ReplyToComment(BrowserView):
    """Reply to a comment
    """

    def __call__(self):

        if self.request.has_key('form.button.AddComment'):

            reply_to_comment_id = self.request.get('form.reply_to_comment_id')
            subject = self.request.get('subject')
            text = self.request.get('body_text')

            # The add-comment view is called on the conversation object
            conversation = self.context

            # Fetch the comment we want to reply to
            comment_to_reply_to = conversation.get(reply_to_comment_id)

            replies = IReplies(comment_to_reply_to)

            # Create the comment
            comment = CommentFactory()
            comment.title = subject
            comment.text = text

            # Add the reply to the comment
            new_re_id = replies.addComment(comment)

            # Redirect to the document object page
            self.request.response.redirect(aq_parent(aq_inner(self.context)).absolute_url())