from PyQt5.QtCore import pyqtSignal
from PyQt5.QtGui import QIcon, QPixmap
from PyQt5.QtWidgets import QTableWidgetItem

from core.repositories import TrackRepository, SessionTrackRepository
from ui.qt.widgets.DragDropTableWidget import DragDropTableWidget


class PlaylistTable(DragDropTableWidget):
    trackSelected = pyqtSignal(object)
    trackDoubleClicked = pyqtSignal(object)

    def __init__(self, parent):
        super().__init__(parent)
        self.playlist = None
        self.count = -1
        self.cellPressed.connect(self._cellPressed)
        self.cellDoubleClicked.connect(self._cellDoubleClicked)

    def populate(self, playlist=None):
        if playlist:
            self.playlist = playlist
        if not self.playlist:
            return

        session_track_repo = SessionTrackRepository()
        track_repo = TrackRepository()

        self.clear()
        self.hideColumn(0)
        self.hideColumn(1)

        session_tracks = session_track_repo.get_by_session_id(self.playlist.id)

        if not session_tracks:
            # self.insertRow(0)
            # self.setItem(0, 2, QTableWidgetItem("(la liste est vide, ajoutez y vos morceaux)"))
            return

        i = 0
        for session_track in session_tracks:
            track = track_repo.get_by_id(session_track.track_id)

            self.insertRow(i)

            item = QTableWidgetItem()
            item.setData(0, session_track.id)
            self.setItem(i, 0, item)

            item = QTableWidgetItem()
            item.setData(0, track.id)
            self.setItem(i, 1, item)

            self.setItem(i, 2, QTableWidgetItem(track.title))

            i += 1
        self.count = i

    def clear(self):
        while self.rowCount():
            self.removeRow(0)
        super().clear()

    def _cellPressed(self, row, _):
        track_id = int(self.item(row, 1).data(0))
        if track_id:
            track = TrackRepository().get_by_id(track_id)
            self.trackSelected.emit(track)

    def _cellDoubleClicked(self, row, _):
        track_id = int(self.item(row, 1).data(0))
        if track_id:
            track = TrackRepository().get_by_id(int(track_id))
            self.trackDoubleClicked.emit(track)

    def selected_session_track(self):
        session_track_id = self.item(self.currentRow(), 0).data(0)
        if not session_track_id:
            return None
        return SessionTrackRepository().get_by_id(int(session_track_id))

    def set_is_playing(self, track=None):
        for i in range(self.rowCount()):
            track_id = self.item(i, 1).data(0)

            if track is not None and track_id == track.id:
                icon = QIcon(":/img/rsc/play.png")
            else:
                icon = QIcon()
            self.item(i, 2).setIcon(icon)