// code from goatstore
// api: https://store.agi.bd
const { commands } = global.GoatBot;

function stylish(text) {
  const map = {
    'A': '𝗔', 'B': '𝗕', 'C': '𝗖', 'D': '𝗗', 'E': '𝗘', 'F': '𝗙', 'G': '𝗚', 'H': '𝗛', 'I': '𝗜',
    'J': '𝗝', 'K': '𝗞', 'L': '𝗟', 'M': '𝗠', 'N': '𝗡', 'O': '𝗢', 'P': '𝗣', 'Q': '𝗤', 'R': '𝗥',
    'S': '𝗦', 'T': '𝗧', 'U': '𝗨', 'V': '𝗩', 'W': '𝗪', 'X': '𝗫', 'Y': '𝗬', 'Z': '𝗭',
    'a': '𝗮', 'b': '𝗯', 'c': '𝗰', 'd': '𝗱', 'e': '𝗲', 'f': '𝗳', 'g': '𝗴', 'h': '𝗵', 'i': '𝗶',
    'j': '𝗷', 'k': '𝗸', 'l': '𝗹', 'm': '𝗺', 'n': '𝗻', 'o': '𝗼', 'p': '𝗽', 'q': '𝗾', 'r': '𝗿',
    's': '𝘀', 't': '𝘁', 'u': '𝘂', 'v': '𝘃', 'w': '𝘄', 'x': '𝘅', 'y': '𝘆', 'z': '𝘇',
    '0': '𝟬', '1': '𝟭', '2': '𝟮', '3': '𝟯', '4': '𝟰', '5': '𝟱', '6': '𝟲', '7': '𝟳', '8': '𝟴', '9': '𝟵'
  };
  return text.split('').map(c => map[c] || c).join('');
}

module.exports = {
  config: {
    name: "help",
    version: "4.5",
    author: "Ｎ𝗜𝗥𝗢𝗕",
    role: 0,
    shortDescription: { en: "Cyber-Tech minimalist help menu" },
    longDescription: { en: "Sleek cyber-core help menu with custom fonts, author details, FB link, and functional reaction pagination" },
    category: "info",
    guide: { en: "{pn} [page] or {pn} <command>" },
  },

  onStart: async function ({ message, args, event, role }) {
    const threadID = event.threadID;
    const prefix = (global.utils && typeof global.utils.getPrefix === "function" ? global.utils.getPrefix(threadID) : null) || global.GoatBot.config.prefix || "!";

    if (args[0] && isNaN(args[0])) {
      const q = args[0].toLowerCase().trim();
      const cmd = commands.get(q);
      if (!cmd) return message.reply(stylish(`[!] Command "${q}" not found.`));

      const i = cmd.config || {};
      return message.reply(stylish(
        `⟨«« COMMAND INFO »»⟩\n` +
        `⌊ Name ➭ ${i.name || q} ⌋\n\n` +
        `⟡ Author ➭ ${i.author || "Ｎ𝗜𝗥𝗢𝗕"}\n` +
        `⟡ Category ➭ ${i.category || "General"}\n` +
        `⟡ Desc ➭ ${i.description || "None"}\n\n` +
        `──────────────────\n` +
        `» Usage ➭ ${prefix}${i.usage || i.name || q}`
      ));
    }

    let page = parseInt(args[0]) || 1;
    if (page < 1 || page > 10) page = 1;

    const available = [];
    for (const [name, cmd] of commands) {
      if (cmd.config.role <= role) available.push(cmd);
    }

    const categories = {};
    for (const cmd of available) {
      const cat = cmd.config.category || "Other";
      if (!categories[cat]) categories[cat] = [];
      categories[cat].push(cmd.config.name);
    }

    const allCats = Object.keys(categories);
    const totalPages = 10;
    const perPage = Math.ceil(allCats.length / totalPages) || 1;

    async function sendPage(p, oldID = null) {
      const start = (p - 1) * perPage;
      const pageCats = allCats.slice(start, start + perPage);

      let txt = stylish(`⟨«« KAKASHI • CORE »»⟩\n`) +
                stylish(` ⌊ Page ➭ ${String(p).padStart(2, '0')} / ${String(totalPages).padStart(2, '0')} ⌋\n\n`);

      if (pageCats.length === 0) {
        txt += stylish(` ⟡ No commands available\n\n`);
      } else {
        for (const cat of pageCats) {
          const cName = stylish(cat.toUpperCase());
          const list = categories[cat].map(c => stylish(`  » ${prefix}${c}`)).join('\n');
          txt += stylish(`⟡ ${cName}\n`) + list + `\n\n`;
        }
      }

      const next = p >= totalPages ? 1 : p + 1;
      txt += stylish(`──────────────────\n` +
                     `[•] Dev ➭ Ｎ𝗜𝗥𝗢𝗕\n` +
                     `[•] FB ➭ facebook.com/nahad.nirob007\n` +
                     `[•] React 🖤 for next page\n` +
                     `[•] Type: ${prefix}help ${next}`);

      const sent = await message.reply(txt);

      if (oldID) {
        try { await global.GoatBot.api.unsendMessage(oldID); } catch (e) {}
      }

      global.GoatBot.onReaction.set(sent.messageID, {
        messageObj: message,
        onReact: async (e) => {
          if (e.reaction !== '🖤') return;
          const nextP = p >= totalPages ? 1 : p + 1;
          await sendPage(nextP, sent.messageID);
        }
      });
    }

    await sendPage(page);
  }
};