module.exports = function(grunt) {

  grunt.initConfig({
    pkg: grunt.file.readJSON('package.json'),
    concat: {
      js: {
        options: {
          separator: ';'
        },
        src: [
          'libraries/jquery/dist/jquery.js',
          'libraries/bootstrap/dist/js/bootstrap.js',
          'libraries/typeahead.js/dist/typeahead.bundle.js',
          'libraries/list.js/dist/list.js',
          'libraries/leaflet-soton/resources/leaflet/dist/leaflet.js',
          'libraries/leaflet-soton/resources/leaflet-markercluster/dist/leaflet.markercluster.js',
          'libraries/leaflet-soton/resources/leaflet-locatecontrol/src/L.Control.Locate.js',
          'libraries/leaflet-soton/resources/leaflet-hash/leaflet-hash.js',
          'libraries/leaflet-soton/resources/leaflet-indoor/leaflet-indoor.js',
          'libraries/leaflet-soton/resources/leaflet-route/leaflet-route.js',
          'libraries/leaflet-soton/src/leaflet-soton.js',
          'scripts.js'
        ],
        dest: 'dist/scripts.js',
        nonull: true
      },
      css: {
        src: [
          'libraries/bootstrap/dist/css/bootstrap.css',
          'libraries/leaflet-soton/resources/leaflet/dist/leaflet.css',
          'libraries/leaflet-soton/resources/leaflet-markercluster/dist/MarkerCluster.css',
          'libraries/leaflet-soton/resources/leaflet-locatecontrol/src/L.Control.Locate.css',
          'libraries/leaflet-soton/src/leaflet-soton.css',
          'style.css'
        ],
        dest: 'dist/css/style.css',
        nonull: true
      }
    },
    uglify: {
      options: {
        banner: '/*! <%= pkg.name %> <%= grunt.template.today("dd-mm-yyyy") %> */\n'
      },
      dist: {
        files: {
          'dist/scripts.js': ['<%= concat.js.dest %>']
        }
      }
    },
    cssmin: {
      add_banner: {
        options: {
          banner: '/* My minified css file */'
        },
        files: {
          'dist/css/style.css': ['<%= concat.css.dest %>']
        }
      }
    },
    clean: {
        build: ['dist']
    },
    copy: {
      index: {
        src: 'index.html',
        dest: 'dist/index.html',
        nonull: true
      },
      data: {
        src: 'libraries/leaflet-soton/data.json',
        dest: 'dist/data.json',
        nonull: true
      },
      fonts: {
        src: 'libraries/bootstrap/dist/fonts/*',
        dest: 'dist/fonts/',
        expand: 'false',
        flatten: true,
        nonull: true
      },
      images: {
        src: 'libraries/leaflet-soton/resources/images/*',
        dest: 'dist/images/',
        flatten: true,
        expand: 'false',
        nonull: true
      },
      logos: {
        src: 'libraries/leaflet-soton/resources/images/logos/*',
        dest: 'dist/images/logos/',
        flatten: true,
        expand: 'false',
        nonull: true
      },
      locateimage: {
        src: 'libraries/leaflet-soton/resources/leaflet-locatecontrol/src/images/*',
        dest: 'dist/css/images/',
        flatten: true,
        expand: 'false',
        nonull: true
      }
    }
  });

  grunt.loadNpmTasks('grunt-contrib-uglify');
  grunt.loadNpmTasks('grunt-contrib-cssmin');
  grunt.loadNpmTasks('grunt-contrib-concat');
  grunt.loadNpmTasks('grunt-contrib-clean');
  grunt.loadNpmTasks('grunt-contrib-copy');

  grunt.registerTask('default', ['clean:build', 'concat', 'copy']);
  grunt.registerTask('release', ['clean:build', 'concat', 'uglify', 'cssmin', 'copy']);
};