client.on('message' , message => {
  if(message.author.bot) return;
  if(message.content.startsWith(prefix + "xo")) {
 let array_of_mentions = message.mentions.users.array();
  let symbols = [':o:', ':heavy_multiplication_x:']
  var grid_message;

  if (array_of_mentions.length == 1 || array_of_mentions.length == 2) {
    let random1 = Math.floor(Math.random() * (1 - 0 + 1)) + 0;
    let random2 = Math.abs(random1 - 1);
    if (array_of_mentions.length == 1) {
      random1 = 0;
      random2 = 0;
    }
    var player1_id = message.author.id
    let player2_id = array_of_mentions[random2].id;
    var turn_id = player1_id;
    var symbol = symbols[0];
    let initial_message = `اللعبة بين اللاعبين التاليين <@${player1_id}> and <@${player2_id}>!`;
    if (player1_id == player2_id) {
      initial_message += '\n_(لقد خسرت, العب مع نفسك :joy:)_'
    }
    message.channel.send(`Xo ${initial_message}`)
    .then(console.log("Successful tictactoe introduction"))
    .catch(console.error);
    message.channel.send(':one::two::three:' + '\n' +
                         ':four::five::six:' + '\n' +
                         ':seven::eight::nine:')
    .then((new_message) => {
      grid_message = new_message;
    })
    .then(console.log("Successful tictactoe game initialization"))
    .catch(console.error);
    message.channel.send('Loading... Please wait for the :ok: reaction.')
    .then(async (new_message) => {
      await new_message.react('1⃣');
      await new_message.react('2⃣');
      await new_message.react('3⃣');
      await new_message.react('4⃣');
      await new_message.react('5⃣');
      await new_message.react('6⃣');
      await new_message.react('7⃣');
      await new_message.react('8⃣');
      await new_message.react('9⃣');
      await new_message.react('🆗');
      await new_message.edit(`It\'s <@${turn_id}>\'s اشتغل! الرمز هو ${symbol}`)
      .then((new_new_message) => {
        require('./xo.js')(client, message, new_new_message, player1_id, player2_id, turn_id, symbol, symbols, grid_message);
      })
      .then(console.log("Successful tictactoe listeprefix initialization"))
      .catch(console.error);
    })
    .then(console.log("Successful tictactoe react initialization"))
    .catch(console.error);
  }
  else {
    message.channel.send(`جرب *xo @uesr`)
    .then(console.log("Successful error reply"))
    .catch(console.error);
  }
}
 });