/**
 * ─────────────────────────────────────────────
 *  SPB Git — Personal Git Platform
 * ─────────────────────────────────────────────
 *  Author  : Simon-Pierre Boucher
 *  Contact : contact@spboucher.ai
 *  File    : cli/commands/info.mjs
 *  Purpose : `spbgit info <name>` — server-side repository details
 *  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';
import { ago } from './list.mjs';

function humanBytes(bytes) {
  const units = ['B', 'KB', 'MB', 'GB'];
  let value = Number(bytes) || 0;
  let i = 0;
  while (value >= 1024 && i < units.length - 1) {
    value /= 1024;
    i += 1;
  }
  return `${i === 0 ? value : value.toFixed(1)} ${units[i]}`;
}

export function registerInfo(program) {
  program
    .command('info <name>')
    .description('show server-side details of a repository')
    .option('--json', 'machine-readable output')
    .action(async (name, opts) => {
      const config = requireCliConfig();
      const repo = await api(config, 'GET', `/api/v1/repos/${encodeURIComponent(name)}`, undefined, { auth: false });
      if (opts.json) {
        console.log(JSON.stringify(repo, null, 2));
        return;
      }
      console.log(`\n${pc.bold(repo.name)} ${repo.pinned ? pc.yellow('★') : ''}`);
      if (repo.description) console.log(pc.dim(repo.description));
      console.log('');
      printTable([
        [pc.bold('URL'), repo.url],
        [pc.bold('Clone'), repo.cloneUrl],
        [pc.bold('Default branch'), repo.defaultBranch],
        [pc.bold('Commits'), String(repo.commitCount)],
        [pc.bold('Branches'), String(repo.branchCount)],
        [pc.bold('Tags'), String(repo.tagCount)],
        [pc.bold('Size'), humanBytes(repo.sizeBytes)],
        [pc.bold('Language'), repo.topLanguage ?? '—'],
        [pc.bold('License'), repo.license ?? '—'],
        [pc.bold('Topics'), repo.topics.join(', ') || '—'],
        [pc.bold('Last push'), ago(repo.lastPush)],
        [pc.bold('Clones'), String(repo.cloneCount ?? 0)],
      ]);
    });
}