const path = require('path');

const {
  clientLocale,
  curriculumLocale,
  homeLocation
} = require('../config/env.json');

const {
  buildChallenges,
  replaceChallengeNode,
  localeChallengesRootDir
} = require('./utils/buildChallenges');

const curriculumIntroRoot = path.resolve(__dirname, './src/pages');
const pathPrefix =
  clientLocale === 'english' || clientLocale === 'chinese'
    ? ''
    : '/' + clientLocale;

module.exports = {
  siteMetadata: {
    title: 'freeCodeCamp',
    siteUrl: homeLocation
  },
  pathPrefix: pathPrefix,
  plugins: [
    'gatsby-plugin-react-helmet',
    'gatsby-plugin-postcss',
    {
      resolve: 'gatsby-plugin-create-client-paths',
      options: {
        prefixes: [
          '/certification/*',
          '/unsubscribed/*',
          '/user/*',
          '/settings/*',
          '/n/*'
        ]
      }
    },
    {
      resolve: 'fcc-source-challenges',
      options: {
        name: 'challenges',
        source: buildChallenges,
        onSourceChange: replaceChallengeNode(curriculumLocale),
        curriculumPath: localeChallengesRootDir
      }
    },
    {
      resolve: 'gatsby-source-filesystem',
      options: {
        name: 'introductions',
        path: curriculumIntroRoot
      }
    },
    {
      resolve: 'gatsby-transformer-remark'
    },
    {
      resolve: 'gatsby-remark-node-identity',
      options: {
        identity: 'blockIntroMarkdown',
        predicate: ({ frontmatter }) => {
          if (!frontmatter) {
            return false;
          }
          const { title, block, superBlock } = frontmatter;
          return title && block && superBlock;
        }
      }
    },
    {
      resolve: 'gatsby-remark-node-identity',
      options: {
        identity: 'superBlockIntroMarkdown',
        predicate: ({ frontmatter }) => {
          if (!frontmatter) {
            return false;
          }
          const { title, block, superBlock } = frontmatter;
          return title && !block && superBlock;
        }
      }
    },
    {
      resolve: `gatsby-plugin-advanced-sitemap`,
      options: {
        exclude: [
          `/dev-404-page`,
          `/404`,
          `/404.html`,
          `/offline-plugin-app-shell-fallback`,
          `/learn`,
          /(\/)learn(\/)\S*/
        ],
        addUncaughtPages: true
      }
    },
    {
      resolve: 'gatsby-plugin-manifest',
      options: {
        name: 'freeCodeCamp',
        /* eslint-disable camelcase */
        short_name: 'fCC',
        start_url: '/',
        theme_color: '#0a0a23',
        background_color: '#fff',
        /* eslint-enable camelcase */
        display: 'minimal-ui',
        icon: 'src/assets/images/square_puck.png'
      }
    },
    'gatsby-plugin-remove-serviceworker'
  ]
};