"""

    [Module documentaion here]

    @author:[author], [year]
"""
import re

from path import Path

from PyQt5.QtGui import QIcon
from PyQt5.QtWidgets import QMainWindow, QListWidgetItem, QTableWidgetItem, QFileDialog, QDialog, QMessageBox

from core.file_utilities import is_subdir_of
from core.models import MusicFolder
from core.repositories import MusicFolderRepository
from ui.qt.main_ui import Ui_mainWindow


class MainWindow(QMainWindow):
    def __init__(self):
        super(MainWindow, self).__init__()
        self.createWidgets()

    def createWidgets(self):
        self.ui = Ui_mainWindow()
        self.ui.setupUi(self)

        # --- Stack and menus
        self.ui.stack.setCurrentIndex(0)

        menu_items = [
            (':/img/rsc/dancing.png', 'Ma séance'),
            (':/img/rsc/writing-tool.png', 'Préparer'),
            (':/img/rsc/map.png', 'Explorer'),
            (':/img/rsc/calendar.png', 'Agenda'),
            (':/img/rsc/settings.png', 'Paramètres'),
        ]

        for i, item in enumerate(menu_items):
            icon, lbl = item
            item = QListWidgetItem(QIcon(icon), lbl)
            item.index = i
            self.ui.menu.addItem(item)

        # Menu item clicked
        self.ui.menu.itemClicked.connect(self.menu_item_selected)

        # Page 5 - settings
        self.ui.musicFoldersTable.setColumnHidden(0, 1)
        self.ui.musicFoldersAddButton.clicked.connect(self.add_music_folder)
        self.ui.musicFoldersRemoveButton.clicked.connect(self.remove_music_folder)
        self.populate_music_folders_table()

    def menu_item_selected(self, e):
        self.ui.stack.setCurrentIndex(e.index)

    def populate_music_folders_table(self):
        music_folders = MusicFolderRepository().get_all()
        self.ui.musicFoldersTable.setRowCount(0)
        self.ui.musicFoldersTable.setRowCount(len(music_folders))
        music_folder_statuses = [
            ('Inconnu', 'status_unknown.png'),
            ('Valide', 'status_found.png'),
            ('Inaccessible', 'status_unavailable.png')
        ]
        for i, music_folder in enumerate(music_folders):
            self.ui.musicFoldersTable.setItem(i, 0, QTableWidgetItem(music_folder.id))

            status_lbl, status_pic = music_folder_statuses[music_folder.status]
            self.ui.musicFoldersTable.setItem(i, 1, QTableWidgetItem(QIcon(status_pic), status_lbl))

            self.ui.musicFoldersTable.setItem(i, 2, QTableWidgetItem(music_folder.path))

    def add_music_folder(self):
        path = QFileDialog.getExistingDirectory(self, "Sélectionnez le dossier à ajouter")
        if not path:
            return
        path = Path(path)

        repo = MusicFolderRepository()

        music_folders = repo.get_all()

        for folder in music_folders:
            if path == Path(folder.path):
                QMessageBox.warning(self, "Ajout invalide",  "Ce dossier a déjà été ajouté")
                return

            if is_subdir_of(path, Path(folder.path)):
                QMessageBox.warning(self, "Ajout invalide",  "Ce dossier est contenu dans un dossier existant")
                return

        folder = MusicFolder(path=path)
        repo.create(folder, True)

        self.populate_music_folders_table()

    def remove_music_folder(self):
        pass

    def run(self):
        pass