const blacklistjson = JSON.parse(fs.readFileSync('./commands/blacklist.json', 'utf8'));

client.on('message', message => {
  if(!blacklistjson[message.guild.id])blacklistjson[message.guild.id] = {
    toggled: "off",
  }
  saveBlacklist();
  var command = message['content'].split(" ")[0],
  newtoggle = message['content'].split(" ")[2],
  toggles = ["on", "off"],
  mention = message['mentions'].users.first(),
  getid = message['content'].split(" ")[2],
  modules = message['content'].split(" ")[1],
  moduless = ['toggle', "add"];

  switch(command){
    case prefix+'blacklist':
        if(!modules)return message.reply(prefix+'blacklist toggle/add')
        if(!modules.includes(modules.toLowerCase()))return message.reply('Error')
        if(modules == "add"){
     checkPerms(message, message.author, "MANAGE_GUILD", "You dont have ``MANAGE_SERVER`` permission.");
     if(!mention) return message.reply('mention the user.')
       saveBlacklist();
       if(mention == undefined || mention == null)return message.reply('I cant find this user. specify the id of the user.');
       if(message.guild.member(mention).hasPermission("MANAGE_GUILD") && !message.author.id == message.guild.owner.id)return message.reply('Only the ownership can blacklist ADMINISTRATORS members.');
       blacklistjson[message.guild.id+mention.id] = {
         blacklist: "yes",
       }
       saveBlacklist();
              message.channel.send(mention.tag+" has been blacklisted by "+message.author.tag + ` (ID: ${message.author.id})`)
    }else if(modules == "toggle"){
        if(!newtoggle)return message.channel.send("Usage: "+prefix+"blacklist toggle <on/off>");
      checkPerms(message, message.author, "MANAGE_GUILD", "You dont have `MANAGE SERVER` Permission.");
      if(!toggles.includes(newtoggle.toLowerCase()))return message.channel.send("Usage: "+prefix+"blacklist toggle <on/off>");
      blacklistjson[message.guild.id] = {
        toggled: newtoggle,
      }
      message.channel.send("Done toggled blacklist mode to ``"+newtoggle+"``");
    }
      break;
  }
})
client.on('guildMemberAdd', async (member) => {
  if(!blacklistjson[member.guild.id])blacklistjson[member.guild.id] = {
    toggled: "off",
  }
  saveBlacklist();
  if(blacklistjson[member.guild.id].toggled == "on"){
    if(blacklistjson[member.guild.id+member.id].blacklisted == "yes"){
       member.guild.owner.send("The user "+member.user.tag+ " tried to join the serevr but he is blacklisted.").catch(e => console.log(e));
      return member.ban("Blacklisted.");
    }else return;
  }else return;
})

function checkPerms(message, member, String, replymessage){
  if(!message.guild.member(member).hasPermission(String))return message.channel.send(replymessage);
}

function saveBlacklist(){
  fs.writeFile("./blacklist.json", JSON.stringify(blacklistjson, null, 2), function (e) {
    if (e) throw e;
  })
}

client.on('guildMemberAdd', (member) => {
    if(!blacklistjson[message.guild.id])blacklistjson[message.guild.id] = {
        toggled: "off",
      }
      saveBlacklist();
      if(blacklistjson[member.guild.id].toggled == "on"){
          if(blacklistjson[member.guild.id+member.id].blacklisted == "yes"){
              member.guild.owner.send(member.user.tag+" tried to join "+member.guild.name+ " but he got banned by "+client.user.tag+ " for reason : Blacklisted.")
              return member.ban("Blacklisted");

          }
      }
})