/**
 * ─────────────────────────────────────────────
 *  SPB Git — Personal Git Platform
 * ─────────────────────────────────────────────
 *  Author  : Simon-Pierre Boucher
 *  Contact : contact@spboucher.ai
 *  File    : cli/commands/list.mjs
 *  Purpose : `spbgit list` — table of server repositories
 *  License : MIT © Simon-Pierre Boucher
 * ─────────────────────────────────────────────
 */

import pc from 'picocolors';
import { requireCliConfig } from '../lib/config.mjs';
import { api } from '../lib/api.mjs';
import { printTable } from '../lib/ui.mjs';

/** Compact "3 h ago" style formatter (client-side). */
export function ago(iso) {
  if (!iso) return pc.dim('never');
  const s = Math.floor((Date.now() - new Date(iso).getTime()) / 1000);
  if (s < 90) return 'just now';
  if (s < 3600) return `${Math.floor(s / 60)} min ago`;
  if (s < 86400) return `${Math.floor(s / 3600)} h ago`;
  if (s < 2592000) return `${Math.floor(s / 86400)} d ago`;
  return `${Math.floor(s / 2592000)} mo ago`;
}

export function registerList(program) {
  program
    .command('list')
    .alias('ls')
    .description('list every repository on the server')
    .option('--json', 'machine-readable output')
    .action(async (opts) => {
      const config = requireCliConfig();
      const { repos } = await api(config, 'GET', '/api/v1/repos', undefined, { auth: false });
      if (opts.json) {
        console.log(JSON.stringify(repos, null, 2));
        return;
      }
      if (repos.length === 0) {
        console.log(pc.dim('No repositories yet. Create one: spbgit create <name>'));
        return;
      }
      printTable([
        [pc.bold('NAME'), pc.bold('DESCRIPTION'), pc.bold('LANGUAGE'), pc.bold('PUSHED'), pc.bold('CLONE URL')],
        ...repos.map((r) => [
          (r.pinned ? pc.yellow('★ ') : '  ') + pc.bold(r.name),
          (r.description || pc.dim('—')).slice(0, 48),
          r.topLanguage ?? pc.dim('—'),
          ago(r.lastPush),
          pc.dim(r.cloneUrl),
        ]),
      ]);
    });
}