const functions = require('firebase-functions');
const axios = require('axios');

// firebase emulators:start --only functions
// Add json object in .runtimeconfig.json to use env variables locally

exports.search = functions.https.onRequest((req, res) => {
  res.set('Access-Control-Allow-Origin', "*")
  // TODO: whitelist domains/localhost

  const { search, platform } = req.query;
  // TODO: throw bad request if these are missing ^

  const data = `
  search "${search}";
  fields id,name,slug,rating,release_dates.*,name,cover.image_id;
  limit 50;
  where platforms = (${platform});`

  axios({
    url: 'https://api-v3.igdb.com/games',
    method: 'POST',
    headers: {
      'Accept': 'application/json',
      'user-key': functions.config().igdbv3.key,
    },
    data,
  })
    .then(({ data }) => { res.status(200).send(data) })
    .catch((error) => { res.send(error) });
});

exports.platforms = functions.https.onRequest((req, res) => {
  res.set('Access-Control-Allow-Origin', "*")

  // TODO: hand pick fields
  // TODO: extend necessary fields field.*
  const data = `
    fields category,generation,name,alternative_name,slug;
    limit 200;
  `

  axios({
    url: 'https://api-v3.igdb.com/platforms',
    method: 'POST',
    headers: {
      'Accept': 'application/json',
      'user-key': functions.config().igdbv3.key,
    },
    data,
  })
    .then(({ data }) => { res.status(200).send(data) })
    .catch((error) => { res.send(error) });
});

exports.games = functions.https.onRequest((req, res) => {
  res.set('Access-Control-Allow-Origin', "*")

  const { games } = req.query;

  if (!games) {
    res.status(400).send('missing param games');
  }

  const data = `fields
  id,
  name,
  slug,
  rating,
  release_dates.*,
  name,
  cover.image_id;

  where id = (${ games });
  limit 500;`;

  axios({
    url: 'https://api-v3.igdb.com/games',
    method: 'POST',
    headers: {
      'Accept': 'application/json',
      'user-key': functions.config().igdbv3.key,
    },
    data,
  })
    .then(({ data }) => { res.status(200).send(data) })
    .catch((error) => { res.send(error) });
});

exports.game = functions.https.onRequest((req, res) => {
  res.set('Access-Control-Allow-Origin', "*")

  const { gameId } = req.query;

  if (!gameId) {
    res.status(400).send('missing param gameId');
  }

  const data = `fields
  name,
  summary,
  cover.image_id,
  screenshots.image_id,
  player_perspectives.name,
  involved_companies.company.name,
  involved_companies.developer,
  involved_companies.publisher,
  release_dates.platform,
  release_dates.date,
  websites.category,
  websites.url,
  age_ratings.*,
  videos.video_id,
  rating,
  genres.name,
  platforms.name,
  platforms.id,
  game_modes.name,
  time_to_beat;

  where id = ${ gameId };`;

  axios({
    url: 'https://api-v3.igdb.com/games',
    method: 'POST',
    headers: {
      'Accept': 'application/json',
      'user-key': functions.config().igdbv3.key,
    },
    data,
  })
    .then(({ data }) => { res.status(200).send(data) })
    .catch((error) => { res.send(error) });
});

exports.popularGames = functions.https.onRequest((req, res) => {
  res.set('Access-Control-Allow-Origin', "*")

  const data = `fields
  name,
  screenshots.image_id,
  popularity,
  platforms.name;

  limit 50;
  where platforms = (48, 49, 130, 167, 169);
  sort popularity desc;
  `;

  axios({
    url: 'https://api-v3.igdb.com/games',
    method: 'POST',
    headers: {
      'Accept': 'application/json',
      'user-key': functions.config().igdbv3.key,
    },
    data,
  })
    .then(({ data }) => { res.status(200).send(data) })
    .catch((error) => { res.send(error) });
});

exports.email = functions.https.onRequest((req, res) => {
  res.set('Access-Control-Allow-Origin', "*")

  const { template_id, address } = req.query;

  if (!template_id || !address) {
    res.send(400);
  }

  const data = {
    recipients: [
      { address },
    ],
    content: { template_id },
  };

  axios({
    url: 'https://api.sparkpost.com/api/v1/transmissions',
    method: 'POST',
    headers: {
      'Content-Type': 'application/x-www-form-urlencoded',
      'Accept': 'application/json',
      'Authorization': functions.config().sparkpost.key,
    },
    data,
  })
    .then(({ data }) => { res.status(200).send(data) })
    .catch((error) => { res.send(error) });
});