from folkugat_web.dal.sql import Connection, get_connection
from folkugat_web.model import playlists as model

from . import conversion


def create_playlist(
    name: str | None = None,
    con: Connection | None = None,
) -> int:
    query = """
      INSERT INTO playlists
        (name)
      VALUES
        (:name)
      RETURNING *
    """
    data = dict(name=name)
    with get_connection(con) as con:
        cur = con.cursor()
        _ = cur.execute(query, data)
        row: conversion.PlaylistRowTuple = cur.fetchone()
        return row[0]


def delete_playlist(
    playlist_id: int,
    con: Connection | None = None,
) -> None:
    query = """
      DELETE FROM playlists
      WHERE id = :id
    """
    data = dict(id=playlist_id)
    with get_connection(con) as con:
        cur = con.cursor()
        _ = cur.execute(query, data)


def insert_playlist_entry(
    pl_entry: model.PlaylistEntry,
    con: Connection | None = None,
) -> model.PlaylistEntry:
    query = """
      INSERT INTO playlist_entries
        (id, playlist_id, set_id, tema_id)
      VALUES
        (:id, :playlist_id, :set_id, :tema_id)
      RETURNING *
    """
    data = conversion.playlist_entry_to_row(pl_entry)
    with get_connection(con) as con:
        cur = con.cursor()
        _ = cur.execute(query, data)
        row: conversion.PlaylistEntryRowTuple = cur.fetchone()
        return conversion.row_to_playlist_entry(row)


def update_playlist_entry(
    entry: model.PlaylistEntry,
    con: Connection | None = None,
):
    query = """
      UPDATE playlist_entries
      SET
        id = :id, playlist_id = :playlist_id, set_id = :set_id, tema_id = :tema_id
      WHERE
        id = :id
    """
    data = conversion.playlist_entry_to_row(entry)
    with get_connection(con) as con:
        cur = con.cursor()
        _ = cur.execute(query, data)
        return


def delete_playlist_entry(
    entry_id: int,
    con: Connection | None = None,
):
    query = """
      DELETE FROM playlist_entries
      WHERE id = :id
    """
    data = dict(id=entry_id)
    with get_connection(con) as con:
        cur = con.cursor()
        _ = cur.execute(query, data)
        return


def delete_playlist_set(
    playlist_id: int,
    set_id: int,
    con: Connection | None = None,
):
    query = """
      DELETE FROM playlist_entries
      WHERE playlist_id = :playlist_id AND set_id = :set_id
    """
    data = dict(playlist_id=playlist_id, set_id=set_id)
    with get_connection(con) as con:
        cur = con.cursor()
        _ = cur.execute(query, data)
        return


def update_playlist_name(
    playlist_id: int,
    name: str | None,
    con: Connection | None = None,
):
    query = """
      UPDATE playlists SET
        name = :name
      WHERE id = :id
    """
    data = dict(id=playlist_id, name=name)
    with get_connection(con) as con:
        cur = con.cursor()
        _ = cur.execute(query, data)
        return


def update_playlist_visibility(
    playlist_id: int,
    hidden: bool,
    con: Connection | None = None,
):
    query = """
      UPDATE playlists SET
        hidden = :hidden
      WHERE id = :id
    """
    data = dict(id=playlist_id, hidden=1 if hidden else 0)
    with get_connection(con) as con:
        cur = con.cursor()
        _ = cur.execute(query, data)
        return