import path from 'node:path';
import fs from 'node:fs/promises';
import { createApp } from './app';
import { buildRuntimePaths, render3proxyConfig } from './lib/config';
import { ThreeProxyManager } from './lib/runtime';
import { StateStore } from './lib/store';

const port = Number(process.env.PORT ?? '3000');
const runtimeRootDir = path.resolve(process.env.RUNTIME_DIR ?? 'runtime');
const statePath = path.join(runtimeRootDir, 'state', 'panel-state.json');
const binaryPath = path.resolve(process.env.THREEPROXY_BINARY ?? '/usr/local/bin/3proxy');
const autoStart = process.env.AUTO_START_3PROXY === 'true';

const store = new StateStore(statePath);
const runtimePaths = buildRuntimePaths(runtimeRootDir);
const runtime = new ThreeProxyManager(binaryPath, runtimePaths.configPath, runtimePaths, autoStart);

async function main() {
  const initialState = await store.read();
  await fs.mkdir(path.dirname(runtimePaths.configPath), { recursive: true });
  await fs.writeFile(runtimePaths.configPath, render3proxyConfig(initialState, runtimePaths), 'utf8');
  await runtime.initialize();
  const app = createApp({ store, runtime, runtimeRootDir });
  app.listen(port, () => {
    console.log(`Panel server listening on http://0.0.0.0:${port}`);
  });
}

main().catch((error) => {
  console.error(error);
  process.exitCode = 1;
});