from PyQt5 import QtCore, QtWidgets

from todo.model.tag import Tag, ValidTagForm
import todo.db.tags
import todo.gui.tags.panel.form.widget
import todo.database

def add(parent_widget, add_tag_signal):

    def on_add(form: ValidTagForm):
        tag = todo.db.tags.insert(todo.database.cursor(), form)
        todo.database.commit()
        add_tag_signal.emit(tag)

    return widget(parent_widget, "Ajouter une étiquette", "Ajouter", None, on_add)

def update(parent_widget, update_tag_signal, row, tag):

    def on_update(form: ValidTagForm):
        updated_tag = todo.db.tags.update(todo.database.cursor(), tag, form)
        update_tag_signal.emit(row, updated_tag)
        todo.database.commit()

    return widget(parent_widget, "Modifier une étiquette", "Modifier", tag, on_update)

def confirm_delete(table, rows):
    confirm = QtWidgets.QMessageBox.question(
        table,
        "Suppression des étiquettes",
        "Voulez-vous vraiment supprimer les étiquettes sélectionnées ?",
        QtWidgets.QMessageBox.No | QtWidgets.QMessageBox.Yes,
        QtWidgets.QMessageBox.Yes)

    if confirm == QtWidgets.QMessageBox.Yes:
        todo.db.tags.delete(todo.database.cursor(), table.model().row_ids(rows))
        todo.database.commit()
        table.model().delete_tags(rows)

def widget(
        parent: QtWidgets.QWidget,
        title: str,
        action_title: str,
        tag: Tag,
        on_validated):

    dialog = QtWidgets.QDialog(parent)
    dialog.setWindowTitle(title)
    dialog.setMinimumSize(QtCore.QSize(320, 240))

    layout = QtWidgets.QVBoxLayout(dialog)
    dialog.setLayout(layout)

    def on_dialog_validated(form):
        dialog.accept()
        on_validated(form)

    layout.addWidget(todo.gui.tags.panel.form.widget.widget(
        parent = dialog,
        action_title = action_title,
        tag = tag,
        on_validated = on_dialog_validated,
        on_cancel = lambda: dialog.reject()))

    return dialog