import process from 'process';
import args from 'yargs';

/**
 * Configuration for the build process
 *
 * Distinction of development and production builds is made by user-provided node environment variable
 * By default, the development target will be built
 *
 * development: `gulp ...`
 * production: `NODE_ENV=production gulp ...`
 *
 * Additionally, if the web app has access to an API, the distinction between 'online' and 'offline' modes is made by user-provided command line argument
 * If no argument is given, the 'online' version will be built
 *
 * development / offline: `gulp --api-mode=offline`
 */
export default {

  currentTarget: process.env.NODE_ENV || 'development',
  currentMode: args.argv.apiMode || 'online',

  targets: {
    development: {
      delimiter: '',
      infix: ''
    },
    production: {
      delimiter: '.',
      infix: 'min'
    }
  },

  modes: {
    offline: {
      delimiter: '-',
      infix: 'offline'
    },
    online: {
      delimiter: '',
      infix: ''
    }
  },

  // .eslintcr.yml is not being read?
  eslint: {
    development: {
      rules: {
        'no-console': 0,
        'no-warning-comments': 0
      },
      plugins: [ 'react' ]
    },
    production: {
      rules: {
        'no-console': 1,
        'no-warning-comments': [ 1, { terms: [ 'todo', 'fixme' ], location: 'start' } ]
      },
      plugins: [ 'react' ]
    }
  },

  // htmlhint configuration
  htmlhintrc: '.htmlhintrc',

  // gulp-sass configuration
  sass: {
    development: {
      outputStyle: 'nested'
    },
    production: {
      outputStyle: 'nested',
      sourceMap: false
    }
  },

  fileNames: {
    css: 'main',
    html: 'index',
    js: 'main',
    jsx: 'main'
  },

  paths: {
    src: 'src',
    dest: 'public',
    assets: 'assets',
    css: 'css',
    fonts: 'fonts',
    html: 'html',
    js: 'js',
    images: 'img',
    sass: 'scss',
    sprites: 'sprites'
  },

  // browsersync configuration
  server: {
    baseDir: './public/',
    index: 'index.html'
  },

  logLevel: 'silent'
};