/**
 * ─────────────────────────────────────────────
 *  SPB Git — Personal Git Platform
 * ─────────────────────────────────────────────
 *  Author  : Simon-Pierre Boucher
 *  Contact : contact@spboucher.ai
 *  File    : cli/commands/pull.mjs
 *  Purpose : `spbgit pull [name]|--all` — ff-only by default
 *  License : MIT © Simon-Pierre Boucher
 * ─────────────────────────────────────────────
 */

import { basename } from 'node:path';
import pc from 'picocolors';
import { requireCliConfig } from '../lib/config.mjs';
import { git } from '../lib/git.mjs';
import { mapLimit, SYM } from '../lib/ui.mjs';
import { EXIT } from '../lib/api.mjs';
import { resolveTargets } from './commit.mjs';

export function registerPull(program) {
  program
    .command('pull [name]')
    .description('pull target repo(s) — fast-forward only by default')
    .option('--all', 'every workspace repository', false)
    .option('--rebase', 'pull with --rebase instead of --ff-only', false)
    .action(async (name, opts) => {
      const config = requireCliConfig();
      const targets = resolveTargets(config, name, opts.all);
      let failures = 0;
      await mapLimit(targets, 4, async (dir) => {
        const repo = basename(dir);
        const args = ['pull', opts.rebase ? '--rebase' : '--ff-only'];
        const result = await git(dir, args, { token: config.token });
        if (result.ok) {
          const upToDate = /Already up to date/i.test(result.stdout);
          console.log(`${upToDate ? SYM.skip : SYM.pull} ${repo} ${pc.dim(upToDate ? 'up to date' : 'updated')}`);
        } else {
          failures += 1;
          console.error(`${SYM.fail} ${repo}: ${result.stderr.trim().split('\n').pop()}`);
        }
      });
      if (failures > 0) process.exit(EXIT.PARTIAL);
    });
}