from PySide6.QtCore import Signal, QThread


class VideoDownloader(QThread):
    # Signal for the window to establish the maximum value
    # of the progress bar.
    setTotalProgress = Signal(int)
    # Signal to increase the progress.
    setCurrentProgress = Signal(int)
    # Signal to be emitted when the file has been downloaded successfully.
    succeeded = Signal()

    def __init__(self, kontor_db, log):
        super().__init__()
        self.kontor_db = kontor_db
        self.log = log

    def run(self):
        self.log.info("download videos for table MediaFile")
        download_entries = self.kontor_db.get_download_list()
        self.setTotalProgress.emit(len(download_entries))
        for index, entry in enumerate(download_entries):
            self.kontor_db.download_file(entry)
            self.setCurrentProgress.emit(index)
        self.succeeded.emit()