from mods.db import db, Catalog, CatalogIndex
import re
import gi
gi.require_version('Gtk', '3.0')
from gi.repository import Gtk, GObject
from mods.utils import show_msg, ConditionalFilter
from mods.files import catalog_row_ui_str, new_catalog_win_file
from mods.root import builder
import peewee

class CatalogRow(Gtk.ListBoxRow):
    @GObject.Property
    def db_id(self):
        return self._db_id
    @db_id.setter
    def db_id_setter(self, value):
        self._db_id = value
    @GObject.Property
    def name(self):
        return self._name
    @name.setter
    def name_setter(self, value):
        self._name = value

def add_catalog(name):
    with db.atomic():
        catalog = Catalog.create(name=name)
        CatalogIndex.insert(
            {
                CatalogIndex.rowid: catalog.id,
                CatalogIndex.text: name
                }
            ).execute()
    return catalog

def search_catalogs(q):
    q = re.sub(r'\s+', ' ', q).strip()
    q = ' '.join([ f'{x}*' for x in q.split(' ')])
    with db.atomic():
        return (Catalog.select()
                .join(
                    CatalogIndex,
                    on=(Catalog.id == CatalogIndex.rowid))
                .where(CatalogIndex.match(q))
                .order_by(CatalogIndex.bm25()))

catalog_filter = ConditionalFilter(search_catalogs)

###########################################################################

def build_catalog_row(catalog):
    b = Gtk.Builder()
    b.add_from_string(catalog_row_ui_str)
    win = b.get_object('win')
    box = b.get_object('catalog_box')
    b.get_object('name').set_text(catalog.name)
    row = CatalogRow()
    row.props.db_id = catalog.id
    row.name = catalog.name
    win.remove(win.get_children()[0])
    row.add(box)
    return row

def create_new_catalog_win(catalog_list):
    b = Gtk.Builder()
    class NewCatalogHandler:
        def save_catalog(self, *a):
            catname = re.sub(r'\s+', ' ', b.get_object('catalog_name').get_text()).strip()
            if not len(catname):
                return show_msg('Не указано имя справочника', 'Данное поле должно быть заполнено', level='warn')
            try:
                catalog = add_catalog(catname)
            except peewee.IntegrityError:
                return show_msg('Данный справочник уже существует', 'Справочник с указанным названием уже есть с базе данных', level='warn')
            row = build_catalog_row(catalog)
            catalog_list.add(row)
            catalog_list.select_row(row)
            catalog_list.show_all()
            b.get_object('new_catalog_window').close()
    b.add_from_file(new_catalog_win_file)
    b.connect_signals(NewCatalogHandler())
    w = b.get_object('new_catalog_window')
    return w

def catalog_sort_func(row1, row2, *a):
    text1 = row1.props.name
    text2 = row2.props.name
    return (text1 > text2) - (text1 < text2)
def catalog_filter_func(row):
    fstr = builder.get_object('catalog_filter').get_text().strip()
    if not fstr:
        catalog_filter.reset()
        return True
    return row.props.db_id in catalog_filter.filter(fstr)