package migrations

import (
	"context"
	"database/sql"

	"github.com/pressly/goose/v3"
)

func init() {
	goose.AddMigrationContext(upAddUseridToPlaylist, downAddUseridToPlaylist)
}

func upAddUseridToPlaylist(_ context.Context, tx *sql.Tx) error {
	_, err := tx.Exec(`
create table playlist_dg_tmp
(
	id varchar(255) not null
		primary key,
	name varchar(255) default '' not null,
	comment varchar(255) default '' not null,
	duration real default 0 not null,
	song_count integer default 0 not null,
	public bool default FALSE not null,
	created_at datetime,
	updated_at datetime,
	path string default '' not null,
	sync bool default false not null,
	size integer default 0 not null,
	rules varchar,
	evaluated_at datetime,
	owner_id varchar(255) not null
		constraint playlist_user_user_id_fk
			references user
				on update cascade on delete cascade
);

insert into playlist_dg_tmp(id, name, comment, duration, song_count, public, created_at, updated_at, path, sync, size, rules, evaluated_at, owner_id) 
select id, name, comment, duration, song_count, public, created_at, updated_at, path, sync, size, rules, evaluated_at, 
       (select id from user where user_name = owner) as user_id from playlist;

drop table playlist;
alter table playlist_dg_tmp rename to playlist;
create index playlist_created_at
	on playlist (created_at);
create index playlist_evaluated_at
	on playlist (evaluated_at);
create index playlist_name
	on playlist (name);
create index playlist_size
	on playlist (size);
create index playlist_updated_at
	on playlist (updated_at);

`)
	return err
}

func downAddUseridToPlaylist(_ context.Context, tx *sql.Tx) error {
	return nil
}