import fetch from "../fetch";
import url from "url";

const apis = {
  reverse: "https://pr0.totally.rip/api/v2/item?file=",
  pr0gag: {
    list: "https://pr0gramm.com/api/items/get/?flags=1&id=", // 15
    item: "https://pr0gramm.com/api/items/info?flags=1&itemId="
  }
};
const flags = {
  1: "[color=green]sfw[/color]",
  2: "[color=brown]nsfw[/color]",
  4: "[color=red]nsfl[/color]",
  8: "[color=blue]nsfp[/color]"
};
const regex = /(full|img|vid)\.pr0gramm\.com\/((?:\d+){4}\/(?:\d+){2}(\/(?:\d+){2})?\/(?:\w{1,20})\.(?:gif|png|jpg|mp4)?)/gi;
const site = "https://pr0gramm.com/new/";

export default bot => {
  bot._trigger.set("pr0gag", new bot.trigger({
    call: /(vid|img)\.pr0gramm\.com.*/i,
    set: "uwe",
    f: e => {
      const link = "https://" + e.message.match(regex)[0];
      const tmp = url.parse(link).path.substr(1);
      fetch(apis.reverse + tmp)
        .then(res => res.json())
        .then(res => {
          if(res.error)
            throw res.error;
          return res.data.id;
        })
        .then(id => Promise.all([
          fetch(apis.pr0gag.list + id.toString()),
          fetch(apis.pr0gag.item + id.toString()),
          id
        ])
          .then(([list, item, id]) => Promise.all([
            list.json(),
            item.json(),
            id
          ]))
          .then(([list, item, id]) => [
            list.items.filter(item => item.id === id)[0],
            item,
            id
          ])
          .then(([list, item, id]) => ({
            created: list.created,
            up: list.up,
            down: list.down,
            score: list.up - list.down,
            ratio: (list.up / (list.up + list.down)).toFixed(2),
            flag: flags[list.flags],
            user: list.user,
            comments: item.comments.length,
            toptags: item.tags
              .sort((a, b) => a.confidence - b.confidence)
              .reverse()
              .splice(0, 3)
              .map(tag => tag.tag),
            link: site + id.toString()
          }))
          .then(meta => [
            meta.link,
            `${meta.score} ([color=green]${meta.up}[/color] / [color=red]${meta.down}[/color])`,
            `user: ${meta.user}`,
            `comments: ${meta.comments}`,
            `toptags: ${meta.toptags.join(", ")} (${meta.flag})`
          ])
          .then(out => e.reply(out.join(" - ")))
        ).catch(err => e.reply(JSON.stringify(err)));
    }
  }));
};