const { createEmbed, formatPaginationEmbeds } = require('../../../labscore/utils/embed')
const { editOrReply } = require('../../../labscore/utils/message')
const { STATICS } = require('../../../labscore/utils/statics')
const { getRecentImage } = require("../../../labscore/utils/attachment");

const { paginator } = require('../../../labscore/client');
const { reverseImageSearch } = require('../../../labscore/api');

const { Permissions } = require("detritus-client/lib/constants");

function createReverseImageSearchResultPage(context, result, source){
  let res = {
    "embeds": [
      createEmbed("default", context, {
        author: {
          iconUrl: `https://www.google.com/s2/favicons?domain=${encodeURIComponent(result.url)}&sz=256`,
          name: result.name,
          url: result.url
        },
        image: {
          url: result.image
        },
        thumbnail: {
          url: source
        },
        footer: {
          iconUrl: STATICS.google,
          text: `Google Cloud Vision • ${context.application.name}`
        }
      })
    ]
  }
  if(result.thumbnail) res.embeds[0].thumbnail = { url: result.thumbnail };
  return res;
}

module.exports = {
  name: 'reverse-image',
  aliases: ['reverse','reverseimage'],
  metadata: {
    description: 'Performs a reverse-image-search.',
    description_short: 'Reverse image search',
    category: 'search',
    usage: 'reverse <image>'
  },
  permissionsClient: [Permissions.EMBED_LINKS, Permissions.SEND_MESSAGES, Permissions.USE_EXTERNAL_EMOJIS, Permissions.READ_MESSAGE_HISTORY],
  run: async (context) => {
    context.triggerTyping();
    try{
      let image = await getRecentImage(context, 50)
      if(!image) return editOrReply(context, { embeds: [createEmbed("warning", context, "No images found.")] })

      let search = await reverseImageSearch(context, image)
      search = search.response
     
      if(search.body.status == 2) return editOrReply(context, {embeds:[createEmbed("error", context, search.body.message)]})

      let pages = []
      for(const res of search.body.results){
        pages.push(createReverseImageSearchResultPage(context, res, image))
      }
      
      pages = formatPaginationEmbeds(pages)
      const paging = await paginator.createPaginator({
        context,
        pages
      });
    }catch(e){
      console.log(e)
      return editOrReply(context, {embeds:[createEmbed("error", context, `Unable to perform reverse image search.`)]})
    }
  },
};