import postgres from 'postgres';

// Read-only fingerprints: lets a deployment verify saved progress without logging it.
if (!process.env.DB_URL) throw new Error('DB_URL is required');
const client = postgres(process.env.DB_URL, { max: 1 });
const tables = [
	'user_entries',
	'user_games',
	'catch_em_all_settings',
	'pokemon_journeys',
	'pokemon_catches',
	'pokemon_milestones',
	'pokemon_seen',
	'tracker_progress',
	'tracker_ranks',
	'tracker_weapon_ranks',
	'tracker_challenge_progress',
	'osu_entries'
];
try {
	const result: Record<string, unknown> = {};
	for (const table of tables) {
		const [exists] = await client`select to_regclass(${'public.' + table}) is not null as present`;
		if (!exists.present) continue;
		const [row] = await client.unsafe(`select count(*)::int as rows,
			md5(coalesce(string_agg(record, E'\\n' order by record), '')) as fingerprint
			from (select row_to_json(t)::text as record from "${table}" t) s`);
		result[table] = row;
	}
	console.log(JSON.stringify(result, null, 2));
} finally {
	await client.end();
}