const webpackDevConfig = require('./webpack/webpack.develop');
const webpackProdConfig = require('./webpack/webpack.production');
var gruntfile_cfg = {};
var loadGruntTasks = require('load-grunt-tasks');
var os = require('os');
var arch = os.arch();
if (arch === 'x64') arch = 'amd64';

module.exports = function(grunt) {
  loadGruntTasks(grunt, {
    pattern: ['grunt-*', 'gruntify-*']
  });

  grunt.registerTask('default', ['eslint', 'build']);

  grunt.registerTask('build-webapp', ['config:prod', 'clean:all', 'copy:templates','webpack:prod']);

  grunt.registerTask('build', [
    'config:dev',
    'shell:buildBinary:linux:' + arch,
    'shell:downloadDockerBinary:linux:' + arch,
    'copy:templates',
    'webpack:dev'
  ]);

  grunt.registerTask('build-server', [
    'shell:buildBinary:linux:' + arch,
    'shell:downloadDockerBinary:linux:' + arch,
    'copy:templates',
    'shell:run:' + arch
  ]);

  grunt.task.registerTask('release', 'release:<platform>:<arch>', function(
    p = 'linux',
    a = arch
  ) {
    grunt.task.run([
      'config:prod',
      'clean:all',
      'shell:buildBinary:' + p + ':' + a,
      'shell:downloadDockerBinary:' + p + ':' + a,
      'webpack:prod'
    ]);
  });
  grunt.registerTask('lint', ['eslint']);

  grunt.registerTask('run-dev', [
    'config:dev',
    'build-server',
    'webpack:devWatch'
  ]);
  grunt.registerTask('clear', ['clean:app']);

  // Project configuration.
  grunt.initConfig({
    root: 'dist',
    distdir: 'dist/public',
    shippedDockerVersion: '18.06.1-ce',
    shippedDockerVersionWindows: '17.09.0-ce',
    pkg: grunt.file.readJSON('package.json'),
    config: gruntfile_cfg.config,
    src: gruntfile_cfg.src,
    clean: gruntfile_cfg.clean,
    eslint: gruntfile_cfg.eslint,
    shell: gruntfile_cfg.shell,
    copy: gruntfile_cfg.copy,
    webpack: gruntfile_cfg.webpack
  });
};

/***/


gruntfile_cfg.webpack = {
  dev: webpackDevConfig,
  prod: webpackProdConfig,
  devWatch: Object.assign({ watch: true }, webpackDevConfig)
};

gruntfile_cfg.config = {
  dev: { options: { variables: { environment: 'development' } } },
  prod: { options: { variables: { environment: 'production' } } }
};

gruntfile_cfg.src = {
  js: ['app/**/__module.js', 'app/**/*.js', '!app/**/*.spec.js'],
  jsTpl: ['<%= distdir %>/templates/**/*.js'],
  html: ['index.html'],
  tpl: ['app/**/*.html'],
  css: ['assets/css/app.css', 'app/**/*.css']
};

gruntfile_cfg.clean = {
  all: ['<%= root %>/*'],
  app: [
    '<%= distdir %>/*',
    '!<%= distdir %>/../portainer*',
    '!<%= distdir %>/../docker*'
  ],
  tmpl: ['<%= distdir %>/templates'],
  tmp: [
    '<%= distdir %>/js/*',
    '!<%= distdir %>/js/app.*.js',
    '<%= distdir %>/css/*',
    '!<%= distdir %>/css/app.*.css'
  ]
};

gruntfile_cfg.eslint = {
  src: ['gruntfile.js', '<%= src.js %>'],
  options: { configFile: '.eslintrc.yml' }
};


gruntfile_cfg.copy = {
  templates: {
    files: [
      {
        dest: '<%= root %>/',
        src: 'templates.json', 
        cwd: ''
      }
    ]
  }
};

function shell_buildBinary(p, a) {
  var binfile = 'dist/portainer-' + p + '-' + a;
  return [
    'if [ -f ' + (p === 'windows' ? binfile + '.exe' : binfile) + ' ]; then',
    'echo "Portainer binary exists";',
    'else',
    'build/build_in_container.sh ' + p + ' ' + a + ';',
    'fi'
  ].join(' ');
}

function shell_run(arch) {
  return [
    'docker rm -f portainer',
    'docker run -d -p 9000:9000 -v $(pwd)/dist:/app -v /tmp/portainer:/data -v /var/run/docker.sock:/var/run/docker.sock:z --name portainer portainer/base /app/portainer-linux-' +
      arch +
      ' --no-analytics --template-file /app/templates.json'
  ].join(';');
}

function shell_downloadDockerBinary(p, a) {
  var ps = { windows: 'win', darwin: 'mac' };
  var as = { amd64: 'x86_64', arm: 'armhf', arm64: 'aarch64' };
  var ip = ps[p] === undefined ? p : ps[p];
  var ia = as[a] === undefined ? a : as[a];
  var binaryVersion =
    p === 'windows' ? '<%= shippedDockerVersionWindows %>' : '<%= shippedDockerVersion %>';
  return [
    'if [ -f ' + (p === 'windows' ? 'dist/docker.exe' : 'dist/docker') + ' ]; then',
      'echo "Docker binary exists";',
    'else',
      'build/download_docker_binary.sh ' + ip + ' ' + ia + ' ' + binaryVersion + ';',
    'fi'
  ].join(' ');
}

gruntfile_cfg.shell = {
  buildBinary: { command: shell_buildBinary },
  run: { command: shell_run },
  downloadDockerBinary: { command: shell_downloadDockerBinary }
};