#!/usr/bin/env node
var program = require('commander');
var path = require('path');
var fs   = require('fs');
var root  = path.join(path.dirname(fs.realpathSync(__filename)), '..');

/*
#var complete = require('complete');

#complete.list = ['install','compile','build','server','test','watch'];

#complete({
#  program:"compy",
#  commands:{
#    server:function(words, prev, cur){
#      complete.output(cur, ['watch']);
#    },
#  },
#  options:{
#    '--help':{}
#  }
#})
#complete.init();
*/

var packageJson = require(root + '/package.json');
var isComponent;

if(fs.existsSync(process.cwd() + '/package.json')){
  var projectJson = require(process.cwd() + '/package.json');
  if(projectJson.compy) isComponent = projectJson.compy.publishto;
};

program
  .version(packageJson.version)
  .usage('<command> [options]')
  .option('-d, --dir <path>', 'project source path. Must contain package.json')
  .option('-o, --output <path>', 'output directory for build/compile')
//  .option('-l, --library', 'generate standalone library')
//  .option('-c, --component', 'generate component')
//  .option('-a, --application', 'generate application [default]')
  .option('-v, --verbose', 'verbosity')
  .option('-f, --force', 'force installation of packages')
  .option('-s, --staticServer <path>', 'custom server that serves static with compy middleware')
  .option('    --dev', 'install dev dependencies')

program.on('--help', function(){
  console.log('  Commands:');
  console.log();
  console.log('    install [name ...]      install dependencies or component');
  console.log('    compile                 compile app (in dist folder by default)');
  console.log('    build                   build the app (compile and minify sources)');
  console.log('    server [watch]          run static server. If "watch" option enabled - watch changes, recompile and push livereload');
  console.log('    test                    run karma tests');
  console.log('    watch                   watch and rebuild assets on change');
  console.log('    plate [appname]         generate boilerplate package.json');
  if(isComponent) console.log('    publish [version]       publish version as a package');
  console.log('    graph                   show all dependencies/versions installed')
  console.log();
  console.log();
}).parse(process.argv);

var cmd = program.args[0];
if (!cmd) {
  process.stdout.write(program.helpInformation());
  program.emit('--help');
  process.exit();
}

var options = {
  cwd : program.dir && path.resolve(program.dir) || process.cwd(),
  destination : program.output && path.resolve(program.output) || './dist',
  verbose : !!program.verbose,
  server : program.staticServer && path.resolve(program.staticServer),
  isStandaloneLib: program.library,
  isComponentjs: program.component,
  isApplication: program.application,
  force: !!program.force,
  devInstall : !!program.dev
}
var argv = process.argv.slice(0,2);
argv.push(program.args.map(function(a){return a.toString()}).join(":"));

process.argv = argv;
process.program = program;


// execute `plate` command BEFORE Grunt.js context
if (cmd == "plate") {
  var name = program.args.length > 1 ? program.args[1] : "test";
  if (fs.existsSync(options.cwd + "/package.json")) {
    console.log("File packages.json already exist");
    return;
  }
  console.log("Creating boilerplate 'package.json' with app name '" + name + "' ...");

  fs.readFile(root + "/package.json.tpl", function (err, data) {
    if (err) throw err;
    fs.open(options.cwd + "/package.json", "w", function (err, fd) {
      fs.write(fd, data.toString().replace(/\$name/g, name));
      fs.close(fd);
      console.log("You can start building your app with appstart.js file");
    })
  });
  return;
}

if(!fs.existsSync(options.cwd + '/package.json')){
  console.log("Please, create package.json in current dir");
  console.log("package.json file with compy.main defined is required");
  return;
};

var projectJson = require(options.cwd + '/package.json');

if(!projectJson.compy){
  console.log("Please define main file for compy in package.json (compy.main)");
  console.log("package.json file with compy.main defined is required");
  return;
}

// execute grunt task
require('grunt').cli({gruntfile: root + "/Gruntfile.js",
    cmd:cmd,
    targetBase: options.cwd,
    base: options.cwd,
    destination: options.destination,
    verbose : options.verbose,
    server: options.server,
    force: options.force,
    devInstall: options.devInstall});