var Botkit = require('botkit');
var controller = Botkit.slackbot({
  json_file_store: process.argv[3]
});
var bot = controller.spawn({
  token: process.argv[2]
})
bot.startRTM(function(err,bot,payload) {
  if (err) {
    throw new Error('Could not connect to Slack');
  }
});

function createUserData(id) {
    return {id: id, jon_mentions: 0, bot_mentions: 0};
};

function incrementKey(id, key, amount) {
    controller.storage.users.get(id, function(err,user_data) {
      if (!user_data) {
        console.log("Initializing user data");
        user_data = createUserData(id);
      }
      console.log("Current user data:",user_data);
      console.log("Incrementing mentions. Was " + user_data[key] + " will be " + (user_data[key] + amount));
      user_data[key] = user_data[key] + amount
      controller.storage.users.save(user_data);
    });
}

controller.hears(["pattern","^pattern$"],["direct_message","direct_mention","mention","ambient"],function(bot,message) {
  console.log(message.user + " mentioned \"pattern\"");

  // Increment the logged amount of mentions
  incrementKey(message.user, "bot_mentions", 1);

  // Reply properly
  bot.reply(message,':clap: PAAATTERN! :clap:');
  bot.api.reactions.add({
    timestamp: message.ts,
    channel: message.channel,
    name: "clap",
  },function(err, res) {
    if (err) {
      bot.botkit.log('Failed to add reaction emoji');
    }
  });
});

controller.hears(["pattern","^pattern$"],["direct_message","direct_mention","mention","ambient"],function(bot,message) {
  console.log(message.user + " mentioned \"pattern\"");

  // Increment the logged amount of mentions
  incrementKey(message.user, "jon_mentions", 1);

  // React with appropriate emoji
  bot.api.reactions.add({
    timestamp: message.ts,
    channel: message.channel,
    name: "clap",
  },function(err, res) {
    if (err) {
      bot.botkit.log('Failed to add reaction emoji');
    }
  });
});