module.exports = function(grunt) {
    // 1. All configuration goes here 
    grunt.initConfig({
      pkg: grunt.file.readJSON('package.json'),
      express: {
        options: {
          // Override the command used to start the server.
          // (do not use 'coffee' here, the server will not be able to restart
          //  see below at opts for coffee-script support)
          cmd: process.argv[0],

          // Will turn into: `node OPT1 OPT2 ... OPTN path/to/server.js ARG1 ARG2 ... ARGN`
          // (e.g. opts: ['node_modules/coffee-script/bin/coffee'] will correctly parse coffee-script)
          opts: [ ],
          args: [ ],

          // Setting to `false` will effectively just run `node path/to/server.js`
          background: true,

          // Called when the spawned server throws errors
          fallback: function() {},

          // Override node env's PORT
//          port: 3000,

          // Override node env's NODE_ENV
//          node_env: undefined,

          // Consider the server to be "running" after an explicit delay (in milliseconds)
          // (e.g. when server has no initial output)
          delay: 0,

          // Regular expression that matches server output to indicate it is "running"
          output: ".+",

          // Set --debug (true | false | integer from 1024 to 65535, has precedence over breakOnFirstLine)
          debug: false,

          // Set --debug-brk (true | false | integer from 1024 to 65535)
          breakOnFirstLine: false,

          // Object with properties `out` and `err` both will take a path to a log file and  
          // append the output of the server. Make sure the folders exist.
          logs: undefined
        },
        dev: {
          options: {
            script: 'bin/app.js'
          }
        },
//        prod: {
//          options: {
//            script: 'path/to/prod/server.js',
//            node_env: 'production'
//          }
//        },
//        test: {
//          options: {
//            script: 'path/to/test/server.js'
//          }
//        }
      },
      watch: {
        options: {
          livereload: true
        },
        webserver: {
          files:  [ 'bin/app.js', 'config/*' ],
          tasks:  [ 'express:dev' ],
          options: {
            spawn: false
          }
        },
//        less: {
//          files: ["public/**/*.less"],
//          tasks: ["less"],
//          options: {
//            livereload: false
//          }
//        },
        public: {
          files: ["public/**/*.css", "public/**/*.js"]
        }
      }
    });

    // 3. Where we tell Grunt we plan to use this plug-in.
    grunt.loadNpmTasks('grunt-express-server');
    grunt.loadNpmTasks('grunt-contrib-watch');
    // 4. Where we tell Grunt what to do when we type "grunt" into the terminal.
    grunt.registerTask('default', ['express','watch']);

};