module.exports = function(grunt) {
  // Load all grunt tasks.
  require('matchdep').filterDev('grunt-*').forEach(grunt.loadNpmTasks);

  // Project configuration.
  grunt.initConfig({
    nodeunit: {
      all: ['test/*_test.js']
    },

    sass: {
      options: {
        style: 'expanded'
      },
      dist: {
        files: {
          '_jekyll/css/select2-bootstrap.css': 'lib/build.scss',
          'docs/css/select2-bootstrap.css': 'lib/build.scss',
          'select2-bootstrap.css': 'lib/build.scss'
        }
      },
      test: {
        files: {
          'tmp/select2-bootstrap.css': 'lib/build.scss'
        }
      }
    },

    cssmin: {
      target: {
        files: {
          'select2-bootstrap.min.css': 'select2-bootstrap.css'
        }
      }
    },

    jshint: {
      all: ['Gruntfile.js', '*.json']
    },

    bump: {
      options: {
        files: [
          'package.json',
          'bower.json',
          'lib/select2-bootstrap/version.rb'
        ],
        push: false,
        createTag: false
      }
    },

    copy: {
      main: {
        files: [
          {
            src: 'bower_components/bootstrap/dist/css/bootstrap.min.css',
            dest: '_jekyll/css/bootstrap.min.css',
            expand: false
          },
          {
            src: 'bower_components/bootstrap/dist/js/bootstrap.min.js',
            dest: '_jekyll/js/bootstrap.min.js',
            expand: false
          },
          {
            src: 'bower_components/respond/dest/respond.min.js',
            dest: '_jekyll/js/respond.min.js',
            expand: false
          },
          {
            cwd: 'bower_components/bootstrap/dist/fonts',
            src: ['**/*'],
            dest: '_jekyll/fonts',
            expand: true
          }
        ]
      }
    },

    shell: {
      jekyllBuild: {
        command: 'jekyll build -s _jekyll -d docs'
      },
      jekyllServe: {
        command: 'jekyll serve -w -s _jekyll -d docs'
      }
    },

    'gh-pages': {
      options: {
        base: 'docs',
        message: 'Update gh-pages.'
      },
      src: ['**/*']
    },

    watch: {
      files: 'lib/select2-bootstrap.scss',
      tasks: ['sass'],
      options: {
        livereload: true
      }
    }
  });

  // Default tasks.
  grunt.registerTask('build', ['sass', 'cssmin', 'copy', 'shell:jekyllBuild']);
  grunt.registerTask('serve', ['shell:jekyllServe']);
};