import { join } from "node:path";
import { openBucket } from "./bucket/reader.ts";
import { startSyncLoop } from "./bucket/sync.ts";
import { createApp } from "./server/app.ts";
import { ConfigError, loadConfig } from "./server/config.ts";
import { openKeprDb } from "./server/db.ts";

try {
	const config = await loadConfig("kepr.toml");
	const kepr = openKeprDb(config.dataDir);
	startSyncLoop({
		bucket: openBucket(config.bucket),
		kepr,
		mirrorDir: join(config.dataDir, "mirror"),
		tarballDir: join(config.dataDir, "tarballs"),
	});
	// Bun.serve reads the port from $PORT (default 3000).
	const server = Bun.serve({ fetch: createApp(config, kepr).fetch });
	console.log(`kepr listening on ${server.url}`);
} catch (error) {
	if (!(error instanceof ConfigError)) throw error;
	console.error(`kepr: ${error.message}`);
	process.exit(1);
}