import { connect } from '@tursodatabase/database';
import { mkdir, readFile, writeFile } from 'node:fs/promises';
import { basename, dirname, join, resolve } from 'node:path';

const databasePath = resolve(process.env.TDR_DATABASE_PATH || './data/shd-build-development.db');
const storageDirectory = resolve(process.env.TDR_GAME_ICON_STORAGE_PATH || './data/game-icons');
const timestamp = new Date().toISOString().replaceAll(':', '-').replace(/\.\d{3}Z$/, 'Z');
const outputPath = resolve(process.argv[2] || `./data/backups/managed-images-${timestamp}.json`);
const database = await connect(databasePath);
const rows = await (await database.prepare('SELECT * FROM managed_images ORDER BY created_at')).all();
const images = [];
for (const row of rows) {
	if (typeof row.storage_key !== 'string'
		|| !/^(?:library|talent|brand_set|os_protocol|skill_chip|specialization|specialization_ability|specialization_node)-[0-9a-f-]{36}\.webp$/i.test(row.storage_key)) {
		throw new Error(`Invalid managed-image storage key "${String(row.storage_key)}".`);
	}
	images.push({ row, contentBase64: (await readFile(join(storageDirectory, row.storage_key))).toString('base64') });
}
const bundle = {
	format: 'shd-build-managed-images',
	version: 1,
	createdAt: new Date().toISOString(),
	sourceDatabase: basename(databasePath),
	images
};
await mkdir(dirname(outputPath), { recursive: true });
await writeFile(outputPath, `${JSON.stringify(bundle, null, 2)}\n`, { encoding: 'utf8', flag: 'wx' });
console.log(`Exported ${images.length} managed image assets.`);
console.log(`Image bundle: ${outputPath}`);