#!/usr/bin/env bun
import type { Command } from '../src/index.ts';
import { run } from '../src/index.ts';

function printUsage(): void {
  console.error(`Usage:
  bun scripts/run.ts [--port=<cdp-port>] <command> [args...] [--dry-run]

Commands:
  scrape <1688-url>    Scrape logistics data (weight/size) from product page

Examples:
  bun scripts/run.ts scrape 'https://detail.1688.com/offer/852504650877.html'
  bun scripts/run.ts scrape 'https://detail.1688.com/offer/852504650877.html' --dry-run
  bun scripts/run.ts --port=18801 scrape 'https://detail.1688.com/offer/852504650877.html'
`);
}

async function main(): Promise<void> {
  const positionals: string[] = [];
  let dryRun = false;
  let port = 18800;

  for (const arg of process.argv.slice(2)) {
    if (arg === '--dry-run') {
      dryRun = true;
    } else if (arg.startsWith('--port=')) {
      port = parseInt(arg.slice('--port='.length), 10);
    } else if (arg === '-h' || arg === '--help') {
      printUsage(); process.exit(0);
    } else {
      positionals.push(arg);
    }
  }

  if (positionals.length < 1) { printUsage(); process.exit(1); }

  const result = await run(positionals[0] as Command, positionals.slice(1), dryRun, port);
  console.log(JSON.stringify(result, null, 2));
}

main().catch((err) => {
  console.error(JSON.stringify({
    status: 'failed',
    error: err instanceof Error ? err.message : String(err),
  }, null, 2));
  process.exit(1);
});