module.exports.config = {
  name: "menu",
  version: "1.0.0",
  hasPermssion: 0,
  credits: "Aizen",
  description: "Menu",
  usePrefix: true,
  usages: "[all/-a] [Page]",
  commandCategory: "system",
  cooldowns: 5
};

module.exports.handleReply = ({ api, event, handleReply }) => {
  let num = parseInt(event.body.split(" ")[0].trim());
  (handleReply.bonus) ? num -= handleReply.bonus : num;
  let msg = "";
  let data = handleReply.content;
  let check = false;
  if (isNaN(num)) msg = "Not a number";
  else if (num > data.length || num <= 0) msg = "Not available";
  else {
    const { commands } = global.client;
    let dataAfter = data[num-=1];
    if (handleReply.type == "cmd_info") {
      let command_config = commands.get(dataAfter).config;
      msg += `${command_config.commandCategory.toLowerCase()}\n`;
      msg += `\n+ Name: ${dataAfter}`;
      msg += `\n+ Description: ${command_config.description}`;
      msg += `\n+ Usages: ${(command_config.usages) ? command_config.usages : ""}`;
      msg += `\n+ Cooldown: ${command_config.cooldowns || 5}s`;
      msg += `\n+ Permissions: ${(command_config.hasPermssion == 0) ? "User" : (command_config.hasPermssion == 1) ? "Admin" : "Admins"}`;
      msg += `\n\n Module code by ${command_config.credits} `;
    } else {
      check = true;
      let count = 0;
      msg += `${dataAfter.group.toLowerCase()}\n`;

      dataAfter.cmds.forEach(item => {
        msg += `\n ${count+=1} ${item}: ${commands.get(item).config.description}`;
      })
      msg += "\n\n+ Reply message by number to view command details";
    }
  }

  return api.sendMessage(msg, event.threadID, (error, info) => {
    if (error) console.log(error);
    if (check) {
      global.client.handleReply.push({
        type: "cmd_info",
        name: this.config.name,
        messageID: info.messageID,
        content: data[num].cmds
      })
    }
  }, event.messageID);
}

module.exports.run = function({ api, event, args }) {
  const { commands } = global.client;
  const { threadID, messageID } = event;
  const threadSetting = global.data.threadData.get(parseInt(threadID)) || {};
  const prefix = (threadSetting.hasOwnProperty("PREFIX")) ? threadSetting.PREFIX : global.config.PREFIX;

  const command = commands.values();
  //*tiêu đề cmd
  var group = [], msg = "\n";
  //*
  let check = true, page_num_input = "";
  let bonus = 0;

  for (const commandConfig of command) {
    if (!group.some(item => item.group.toLowerCase() == commandConfig.config.commandCategory.toLowerCase())) group.push({ group: commandConfig.config.commandCategory.toLowerCase(), cmds: [commandConfig.config.name] });
    else group.find(item => item.group.toLowerCase() == commandConfig.config.commandCategory.toLowerCase()).cmds.push(commandConfig.config.name);
  }

  if (args[0] && ["all", "-a"].includes(args[0].trim())) {
    let all_commands = [];
    group.forEach(commandGroup => {
      commandGroup.cmds.forEach(item => all_commands.push(item));
    });
    let page_num_total = Math.ceil(all_commands.length / 100);
    if (args[1]) {
      check = false;
      page_num_input = parseInt(args[1]);
      if (isNaN(page_num_input)) msg = "Not a number";
      else if (page_num_input > page_num_total || page_num_input <= 0) msg = "Not available";
      else check = true;
    }
    if (check) {
      index_start = (page_num_input) ? (page_num_input * 100) - 100 : 0;
      bonus = index_start;
      index_end = (index_start + 100 > all_commands.length) ? all_commands.length : index_start + 100;
      all_commands = all_commands.slice(index_start, index_end);
      all_commands.forEach(e => {
        msg += `\n${index_start+=1}. ${e}: ${commands.get(e).config.description}`;
      })
      msg += `\n\n【Ｒｅｐｌｙ　ｍｅｓｓａｇｅ　ｂｙ　ｎｕｍｂｅｒ　ｔｏ　ｖｉｅｗ　ｃｏｍｍａｎｄ　ｄｅｔａｉｌｓ】`;
      msg += "\n";
    }
    return api.sendMessage(msg, threadID, (error, info) => {
      if (check) {
        global.client.handleReply.push({
          type: "cmd_info",
          bonus: bonus,
          name: this.config.name,
          messageID: info.messageID,
          content: all_commands
        })
      }
    }, messageID)
  }

  let page_num_total = Math.ceil(group.length / 100);
  if (args[0]) {
    check = false;
    page_num_input = parseInt(args[0]);
    if (isNaN(page_num_input)) msg = "Not a number";
    else if (page_num_input > page_num_total || page_num_input <= 0) msg = "Not available";
    else check = true;
  }
  if (check) {
    index_start = (page_num_input) ? (page_num_input * 100) - 100 : 0;
    bonus = index_start;
    index_end = (index_start + 100 > group.length) ? group.length : index_start + 100;
    console.log(page_num_input)
    console.log(index_start)
    console.log(index_end)
    group = group.slice(index_start, index_end);
    group.forEach(commandGroup => msg += `\n${index_start+=1}. ${commandGroup.group.toLowerCase()}`);
    msg += `\n\n»Page(${page_num_input || 1}/${page_num_total})`;
    msg += `\n»To view details of other pages, use: ${prefix}menu [number of pages]`;
    msg += `\n»Reply to messages by number to view commands by category`;
  }
  return api.sendMessage(msg, threadID, async (error, info) => {
    global.client.handleReply.push({
      name: this.config.name,
      bonus: bonus,
      messageID: info.messageID,
      content: group
    })
  });
          }