//Finds channels to check if channel should be monitored
savedChannels.find({channelID: msg.channel.id.toString()})
   .then(foundChannels => {
      if (foundChannels.length === 0) return;
      deleteMessage(msg, foundChannels[0].msgAmnt);
   })
   .catch(err => {
      let title = "Failed to read the monitored channel collection";
      errEmbed.embed(bot, title, "", 'dbEr', err);
   });

function deleteMessage(message, msgDelAmount) {
   //Finds all the messages by the user in a the channel so they can be deleted
   messageCollection.find({userID: message.author.id.toString(), msgChannelID: message.channel.id})
      .then(dbFetchedMsgs => {
         //Fetches the discord message object for all the users messages
         let discordMessage = dbFetchedMsgs
            //Makes sure bot doesn't try to delete already deleted messages
            .filter(d => d.messageDeleted === false)
            //Finds the message ID of all the un-deleted messages
            .map(m => m.messageID)
            //Fetches the message object for every message ID
            .map(m => bot.channels.get(msg.channel.id.toString()).fetchMessage(m));

         Promise.all(discordMessage)
            .then(fetchedMsgObject => {
               //Removes the last message from the array of message objects so it isn't deleted
               let msgObjsToDel = fetchedMsgObject.slice(0, fetchedMsgObject.length - msgDelAmount);
               msgObjsToDel.forEach(msgToDelete => {
                  msgToDelete.delete()
                     .then(() => {
                        let msgCodeBlock = `\`\`\`${msgToDelete.content}\`\`\``;
                        let title = "Deleted message";
                        let body = `Deleted the following message by <@${msgToDelete.author.id}> as they posted more messages than are allowed in <#${msgToDelete.channel.id}>:\n${msgCodeBlock}`;
                        logEmbed.embed(bot, title, body, 'dcOp');
                     })
                     .catch((err) => {
                        msg.channel.send("I don't have permission to delete messages.");

                        let title = "Failed to delete message";
                        let body = `Failed to delete the following message by <@${msgToDelete.author.id}>:\n\`\`\`${msgToDelete.content}\`\`\``;
                        errEmbed.embed(bot, title, body, 'dcEr', err);
                     });
               });
            })
            .catch(err => {
               if (err) {
                  let title = "Failed to fetch discord message";
                  let body = `Failed to fetch a discord message based on its database entry`;
                  errEmbed.embed(bot, title, body, 'dcEr', err);
               }
            });
      })
      .catch(err => {
         let title = "Failed to read the stored messages collection";
         errEmbed.embed(bot, title, "", 'dbEr', err);
      })
}