import { Command } from 'commander';
import chalk from 'chalk';
import { parseGitHubUrl } from '../utils/git';
import { installSkill } from '../utils/install';
import { CLIType } from '../types';

export const addCommand = new Command('add')
  .description('Add a skill from GitHub')
  .argument('<path>', 'GitHub URL or owner/repo/path')
  .option('-c, --cli <type>', 'Target CLI (antigravity, claude, codex, cursor, gemini, kiro, opencode)')
  .option('-y, --yes', 'Skip confirmation')
  .action(async (skillPathArg: string, options) => {
    try {
      // Parse GitHub URL
      let repoUrl: string;
      let gitPath: string;

      if (skillPathArg.includes('github.com')) {
        const parsed = parseGitHubUrl(skillPathArg);
        repoUrl = `https://github.com/${parsed.owner}/${parsed.repo}.git`;
        gitPath = parsed.path;
      } else {
        // Assume it's owner/repo[/path] or owner/repo/tree|blob/branch/path
        const parts = skillPathArg.split('/').filter(Boolean);
        if (parts.length < 2) {
          console.error(chalk.red('Invalid path format. Use owner/repo/path or full GitHub URL'));
          process.exit(1);
        }
        repoUrl = `https://github.com/${parts[0]}/${parts[1]}.git`;
        if (parts.length <= 2) {
          gitPath = '';
        } else if (parts[2] === 'tree' || parts[2] === 'blob') {
          if (parts.length < 5) {
            console.error(chalk.red('Invalid path format. Use owner/repo/tree/branch/path or full GitHub URL'));
            process.exit(1);
          }
          gitPath = parts.slice(4).join('/');
        } else {
          gitPath = parts.slice(2).join('/');
        }
      }

      // Parse CLI options
      const cliTargets: CLIType[] = options.cli ? [options.cli as CLIType] : [];

      // Call install skill
      await installSkill({
        repoUrl,
        gitPath,
        cliTargets,
        skipConfirmation: options.yes,
      });

    } catch (error: any) {
      console.error(chalk.red(`\nError: ${error.message}`));
      process.exit(1);
    }
  });