#!/usr/bin/env node

var exists = require('fs').existsSync,
    program = require('commander'),
    resolve = require('path').resolve,
    spawn = require('cross-spawn'),
    config = require('nconf'),
    fs      = require("fs"),
    path    = require("path"),
    logger = require('../lib/logger');

/*
 |--------------------------------------------------------------------------
 | Help
 |--------------------------------------------------------------------------
 */
 program.on('--help', function(){
   console.log('  Commands:');
   console.log();
   console.log('    bstalk --version                       Print version');
   console.log('    bstalk config                          Create config file');
   console.log('    bstalk openconfig                      Open config file for edition');
   console.log('    bstalk repos                           Display list of all repositories');
   console.log('    bstalk create <repo> [color]           Create a git <repo> with specified [color]');
   console.log('    bstalk envs <repo>                     Displays configured environments for <repo>');
   console.log('    bstalk deploy <repo> <env> [comment]   Deploy environment last revision <env> on <repo>');
   console.log();
 });

/*
 |--------------------------------------------------------------------------
 | Program
 | Forward to sub commands (git style)
 |
 |--------------------------------------------------------------------------
 */
program
  .version(require('../package').version)
  .usage('<command> [options]');

program.parse(process.argv);
if (!program.args.length) program.help();

var cmd = program.args[0];
var args = process.argv.slice(3);
var bin = resolve(__dirname, 'bstalk-' + cmd);

if (!exists(bin)) {
  logger.log('There is no `%s` command.', cmd);
  console.log();
  program.help();
}

// Spawn a new, forwarded child process for the subcommand.
var child = spawn(bin, args, { stdio: 'inherit' });
child.on('close', process.exit.bind(process));