"""
open/dulcinea/lib/ui/note.qpy
"""
from dulcinea.common import format_date_time, format_user
from dulcinea.note import Note, Notable
from dulcinea.ui.attachment import AttachmentUI
from dulcinea.ui.attachment import format_attachments
from dulcinea.ui.util import popup
from dulcinea.util import format_text, SAFE_TAGS
from qp.fill.directory import Directory
from qp.fill.form import Form
from qp.fill.html import nlnl2brbr
from qp.fill.widget import TextWidget, SubmitWidget
from qp.lib.spec import require
from qp.pub.common import redirect, page


def default_decorate:xml(note, body, title='Note'):
    page(title, '<div style="margin:1em">', body, '</div>')

def format_note:xml(note, path='file/'):
    if note:
        if note.get_timestamp() and note.get_user():
            '<div style="margin-bottom: 1em">%s %s</div>' % (
                format_user(note.get_user(), name=False, email=False),
                '<span style="font-size: smaller">(%s)</span>' % (
                format_date_time(note.get_timestamp())))
        if note.get_text():
            '<div style="margin-left: 1em">%s</div>' % (
                format_text(nlnl2brbr(note.get_text())))
        format_attachments(note, path)

class NotableDirectory(Directory):

    def __init__(self, notable, label='admin note', decorate=None):
        require(notable, Notable)
        self.notable = notable
        self.set_note = notable.set_note
        self.get_note = notable.get_note
        self.note = self.get_note() or Note()
        self.label = label
        self.decorate = decorate or default_decorate

    def get_exports(self):
        yield ('', '_q_index', self.label.capitalize(), None)
        if self.get_note():
            yield ('edit', 'edit', 'Edit ' + self.label, None)
            attachment_count = len(self.note.get_attachments())
            if attachment_count:
                yield ('file', None, 'Files %d' % attachment_count,
                       '%d File(s) attached to %s' % (attachment_count,
                                                      self.label))
            else:

                yield ('file', None, 'Files',
                       'No Files attached to %s' % self.label)

            yield ('delete', 'delete', 'Delete ' + self.label,
                   'Delete this note')
        else:
            yield ('edit', 'edit', 'Add ' + self.label, 'Create new note')

    def _q_index(self):
        if not self.get_note():
            redirect('edit')
        return self.decorate(self.note, popup(format_note(self.note)),
                             title='View ' + self.label)

    def edit(self):
        form = Form()
        form.add(TextWidget, 'text', value=self.note.get_text(),
                 hint=("Enter or add the text of your note.  Although not "
                       "required, you may also wish to include the "
                       "following HTML markup tags to improve "
                       "readability: %s.  All other HTML markup will "
                       "be displayed 'as is'.  Finally, Things that "
                       "look like email addresses and URLs will be "
                       "turned into hyperlinks (e.g. things that begin "
                       "with 'http://' or 'mailto:'."
                       % ', '.join(SAFE_TAGS)),
                 rows=30, cols=100)
        form.add(SubmitWidget, 'save', 'Save')
        form.add(SubmitWidget, 'cancel', 'Cancel')
        if form.get('cancel'):
            redirect('.')
        if not form.is_submitted():
            return self.decorate(self.notable, form.render(),
                                 'Edit ' + self.label)
        self.note.set_text(form['text'])
        self.note.set_timestamp()
        self.note.set_user()
        if self.get_note() is None and not self.note.is_empty():
            self.set_note(self.note)
        elif self.get_note() is not None and self.note.is_empty():
            self.set_note(None)
        redirect('.')

    def delete:xml(self):
        form = Form()
        form.add(SubmitWidget, 'delete', 'Delete')
        form.add(SubmitWidget, 'cancel', 'Cancel')
        if form.get('cancel'):
            redirect('.')
        if not form.is_submitted():
            return page('Confirm Delete',
                        '<div class="popup">Really delete %s?</div>' % self.label,
                        form.render())
        if form.get('delete'):
            self.set_note(None)
        redirect('.')

    def _q_lookup(self, component):

        def _note_file_decorate(attachable, body, title):
            return self.decorate(attachable, body, title + ' for ' + self.label)

        if component == 'file':
            return AttachmentUI(self.note, decorate=_note_file_decorate)