/**
 * ─────────────────────────────────────────────
 *  SPB Git — Personal Git Platform
 * ─────────────────────────────────────────────
 *  Author  : Simon-Pierre Boucher
 *  Contact : contact@spboucher.ai
 *  File    : cli/commands/create.mjs
 *  Purpose : `spbgit create` — create on server, optionally push cwd
 *  License : MIT © Simon-Pierre Boucher
 * ─────────────────────────────────────────────
 */

import { existsSync } from 'node:fs';
import { join } from 'node:path';
import pc from 'picocolors';
import { requireCliConfig } from '../lib/config.mjs';
import { api, EXIT } from '../lib/api.mjs';
import { git } from '../lib/git.mjs';

export function registerCreate(program) {
  program
    .command('create <name>')
    .description('create a repository on the server')
    .option('-d, --description <desc>', 'repository description', '')
    .option('--topics <topics>', 'comma-separated topics (max 10)')
    .option('--pinned', 'pin on the home page', false)
    .option('--push', 'also init the current directory, add remote, commit and push', false)
    .action(async (name, opts) => {
      const config = requireCliConfig();
      const topics = (opts.topics ?? '')
        .split(',')
        .map((t) => t.trim().toLowerCase())
        .filter(Boolean)
        .slice(0, 10);
      const repo = await api(config, 'POST', '/api/v1/repos', {
        name,
        description: opts.description,
        topics,
        pinned: Boolean(opts.pinned),
      });
      console.log(`${pc.green('✓')} Created ${pc.bold(repo.name)} → ${repo.url}`);

      if (!opts.push) return;
      const cwd = process.cwd();
      if (!existsSync(join(cwd, '.git'))) {
        const init = await git(cwd, ['init', '-b', 'main']);
        if (!init.ok) {
          console.error(pc.red(`✗ git init failed: ${init.stderr}`));
          process.exit(EXIT.USER);
        }
        console.log(`${pc.green('✓')} Initialized git repository in ${cwd}`);
      }
      const hasRemote = await git(cwd, ['remote', 'get-url', 'origin']);
      if (!hasRemote.ok) {
        await git(cwd, ['remote', 'add', 'origin', repo.cloneUrl]);
        console.log(`${pc.green('✓')} Remote origin → ${repo.cloneUrl}`);
      }
      const hasCommit = await git(cwd, ['rev-parse', '--verify', 'HEAD']);
      if (!hasCommit.ok) {
        await git(cwd, ['add', '-A']);
        const commit = await git(cwd, ['commit', '-m', 'feat: initial commit']);
        if (!commit.ok) {
          console.error(pc.red(`✗ Nothing to commit — add files first, then: git push -u origin main`));
          process.exit(EXIT.USER);
        }
        console.log(`${pc.green('✓')} Initial commit created`);
      }
      const branch = (await git(cwd, ['rev-parse', '--abbrev-ref', 'HEAD'])).stdout.trim() || 'main';
      const push = await git(cwd, ['push', '-u', 'origin', branch], { token: config.token });
      if (!push.ok) {
        console.error(pc.red(`✗ Push failed: ${push.stderr.trim()}`));
        process.exit(EXIT.NETWORK);
      }
      console.log(`${pc.green('✓')} Pushed ${branch} — live at ${repo.url}`);
    });
}