# Copyright 2021 (c) Anna Schumaker.
#
# Table: discs
# +--------+---------+--------+----------+
# | discid | albumid | number | subtitle |
# +--------+---------+--------+----------+
from gi.repository import GObject
from . import playlist
from . import sql

class Disc(playlist.Playlist):
    def __init__(self, row):
        playlist.Playlist.__init__(self, row, "media-optical")
        self._number = row["number"]
        self._subtitle = row["subtitle"]

    def delete(self): Table.delete(self)

    @GObject.Property
    def name(self):
        if self._subtitle:
            return f"{self._number}: {self._subtitle}"
        return f"Disc {self._number}"

    @GObject.Property
    def number(self): return self._number

    @GObject.Property
    def subtitle(self):
        return self._subtitle if self._subtitle else ""


class DiscTable(playlist.ChildModel):
    def __init__(self):
        playlist.ChildModel.__init__(self, "discs", "albumid", "number")

    def do_create(self):
        sql.execute("CREATE TABLE IF NOT EXISTS discs "
                        "(discid INTEGER PRIMARY KEY, "
                        " albumid INTEGER, "
                        " plstateid INTEGER NOT NULL, "
                        " number INTEGER, "
                        " subtitle TEXT, "
                        " FOREIGN KEY(albumid) REFERENCES albums(albumid), "
                        " FOREIGN KEY(plstateid) REFERENCES playlist_states(plstateid), "
                        " UNIQUE(albumid, number))")

    def do_factory(self, row):
        return Disc(row)

    def do_insert(self, plstate, album, number, subtitle):
        return sql.execute("INSERT INTO discs (albumid, plstateid, number, subtitle) "
                           "VALUES (?, ?, ?, ?)",
                          [ album.rowid, plstate.rowid, number, subtitle ])

    def do_lookup(self, album, number):
        return sql.execute("SELECT * FROM discs WHERE (albumid=? AND number=?)",
                          [ album.rowid, number ])


Table = DiscTable()