import sqlite3
import os
import playTrack, playControl


DB_PATH = '/home/pi/SandTable/db.sqlite3'


def PlayQ():
    connection = sqlite3.connect(DB_PATH)
    cursor = connection.cursor()

    playControl.init_control_table()
    playControl.set_command(playControl.COMMAND_PLAY)
    playControl.set_status(playControl.STATUS_PLAYING, pid=os.getpid())

    # Reading the queue table
    rows = cursor.execute("SELECT id, file, track_length, pic FROM sandtable_queue").fetchall()

    # Let the first playTrack() call ask the device for its position; after
    # that we just keep tracking it in memory as moves complete.
    coords = None

    # While there are entries in the table
    while rows:
        file = rows[0][1]

        # Playing the track in the first index
        coords = playTrack.playTrack(file, coords=coords)

        # A stop request means playTrack() bailed out mid-file - leave this
        # track in the queue (so it picks back up / can be replayed) rather
        # than deleting it like a normally-finished or skipped ("next")
        # track.
        if playControl.get_command() == playControl.COMMAND_STOP:
            break

        # Deleting the first track that was just played
        cursor.execute("DELETE FROM sandtable_queue WHERE id = ?", (rows[0][0],))
        connection.commit()

        # Reading the new table
        rows = cursor.execute("SELECT id, file, track_length, pic FROM sandtable_queue").fetchall()

    playControl.set_status(playControl.STATUS_IDLE, pid=0)
    connection.close()


if __name__ == "__main__":
    PlayQ()