# -*- coding: utf-8 -*-

from Products.Five.browser.pagetemplatefile import ViewPageTemplateFile

from Products.statusmessages.interfaces import IStatusMessage

from plone.app.registry.browser import controlpanel

from plone.registry.interfaces import IRegistry

from z3c.form import button
from z3c.form.browser.checkbox import SingleCheckBoxFieldWidget

from plone.app.discussion.interfaces import IDiscussionSettings, _


class DiscussionSettingsEditForm(controlpanel.RegistryEditForm):

    schema = IDiscussionSettings
    label = _(u"Discussion settings")
    description = _(u"help_discussion_settings_editform",
                    default=u"Some discussion related settings are not located "
                             "in the Discussion Control Panel.\n"
                             "To enable comments for a specific content type, " 
                             "go to the Types Control Panel of this type and "
                             "choose \"Allow comments\".\n"
                             "To enable the moderation workflow for comments, "
                             "go to the Types Control Panel, choose "
                             "\"Comment\" and set workflow to "
                             "\"Comment Review Workflow\".")

    def updateFields(self):
        super(DiscussionSettingsEditForm, self).updateFields()
        self.fields['globally_enabled'].widgetFactory = \
            SingleCheckBoxFieldWidget
        self.fields['anonymous_comments'].widgetFactory = \
            SingleCheckBoxFieldWidget
        self.fields['show_commenter_image'].widgetFactory = \
            SingleCheckBoxFieldWidget
        self.fields['moderator_notification_enabled'].widgetFactory = \
            SingleCheckBoxFieldWidget
        self.fields['user_notification_enabled'].widgetFactory = \
            SingleCheckBoxFieldWidget

    def updateWidgets(self):
        super(DiscussionSettingsEditForm, self).updateWidgets()
        self.widgets['globally_enabled'].label = _(u"Enable Comments")
        self.widgets['anonymous_comments'].label = _(u"Anonymous Comments")
        self.widgets['show_commenter_image'].label = _(u"Commenter Image")
        self.widgets['moderator_notification_enabled'].label = \
            _(u"Moderator Email Notification")
        self.widgets['user_notification_enabled'].label = \
            _(u"User Email Notification")

    @button.buttonAndHandler(_('Save'), name='save')
    def handleSave(self, action):
        data, errors = self.extractData()
        if errors:
            self.status = self.formErrorsMessage
            return
        changes = self.applyChanges(data)
        IStatusMessage(self.request).addStatusMessage(_(u"Changes saved"), 
                                                      "info")
        self.context.REQUEST.RESPONSE.redirect("@@discussion-settings")

    @button.buttonAndHandler(_('Cancel'), name='cancel')
    def handleCancel(self, action):
        IStatusMessage(self.request).addStatusMessage(_(u"Edit cancelled"), 
                                                      "info")
        self.request.response.redirect("%s/%s" % (self.context.absolute_url(), 
                                                  self.control_panel_view))
    def anonymous_discussion_allowed(self):
        # Check if anonymous comments are allowed in the registry
        registry = queryUtility(IRegistry)
        settings = registry.forInterface(IDiscussionSettings, check=False)
        return settings.anonymous_comments

class DiscussionSettingsControlPanel(controlpanel.ControlPanelFormWrapper):
    form = DiscussionSettingsEditForm
    index = ViewPageTemplateFile('controlpanel.pt')