const ReactionCollector = require("./awaitreactions.js");
const MessageCollector = require("./awaitmessages.js");
const client = require("../client.js");

const paginationEmbed = async (message, pages, timeout = 120000) => {
  let page = 0;
  pages[page].embed.footer.text = `Page ${page + 1} of ${pages.length}`;
  const currentPage = await message.channel.createMessage(pages[page]);
  const emojiList = ["◀", "🔢", "▶", "🗑"];
  for (const emoji of emojiList) {
    await currentPage.addReaction(emoji);
  }
  const reactionCollector = new ReactionCollector(currentPage, (message, reaction, user) => emojiList.includes(reaction.name) && !client.users.get(user).bot, { time: timeout });
  reactionCollector.on("reaction", (msg, reaction) => {
    //reaction.users.remove(msg.author);
    //const reactionAuthor = currentPage.getReactions();
    switch (reaction.name) {
      case "◀":
        page = page > 0 ? --page : pages.length - 1;
        pages[page].embed.footer.text = `Page ${page + 1} of ${pages.length}`;
        currentPage.edit(pages[page]);
        break;
      case "🔢":
        message.channel.createMessage(`${message.author.mention}, what page do you want to jump to?`).then(askMessage => {
          const messageCollector = new MessageCollector(askMessage.channel, (response) => response.author.id === message.author.id && !isNaN(response.content) && Number(response.content) <= pages.length, { time: timeout, maxMatches: 1 });
          return messageCollector.on("message", response => {
            askMessage.delete();
            page = Number(response.content) - 1;
            pages[page].embed.footer.text = `Page ${page + 1} of ${pages.length}`;
            currentPage.edit(pages[page]);
          });
        }).catch(error => { if (error) console.error; });
        break;
      case "▶":
        page = page + 1 < pages.length ? ++page : 0;
        pages[page].embed.footer.text = `Page ${page + 1} of ${pages.length}`;
        currentPage.edit(pages[page]);
        break;
      case "🗑":
        currentPage.delete();
        return;
      default:
        break;
    }
  });
  reactionCollector.on("end", () => currentPage.removeReactions());
  return currentPage;
};
module.exports = paginationEmbed;