/**
 * status command — show current state.
 */
import { readState, PHASES } from '../state.js';

export async function statusCommand(config) {
  const { deltas } = config;

  if (!deltas) {
    console.error('Error: --deltas required for status command');
    process.exit(1);
  }

  const state = await readState(deltas);

  console.log('\ndelta-backup status');
  console.log('='.repeat(40));
  console.log(`  Last complete seq:  ${state.last_complete}`);
  console.log(`  Next seq:          ${state.next_seq}`);
  console.log(`  Current phase:     ${state.phase}`);

  if (state.phase !== PHASES.IDLE) {
    console.log('\n  ⚠ Previous run did not complete cleanly.');
    console.log('  Run with same options to recover.');
  }

  console.log('');
}