bankerbot-rb/coin.rb

require 'dotenv/load'
require 'yaml'
require 'discordrb'


MAX_COINS_PER_DAY = 3
COIN_TIMEOUT = 15
SCOREBOARD = './scoreboard.yml'
DUMBASS = 521596582962003968
DUMBASS_BOT = 1034966228755820575
COIN_EMOJI = '🪙'

coin_state_active = false
coins_offered_today = 0

bot = Discordrb::Bot.new token: ENV['DISCORD_TOKEN']

def get_seconds_to_midnight(time)
  t2 = Time.new(time.year, time.month, time.day + 1)
  return t2 - time
end

def get_random_hours(min, max)
  min_hours = min * 60 * 60
  max_hours = max * 60* 60
  return rand(min_hours..max_hours)
end

def load_scoreboard()
  YAML::load_file(SCOREBOARD) || {}
end

def get_coin_count(user)
  scoreboard = load_scoreboard()
  scoreboard[user] || 0
end

def increment_coin(user, amount=1)
  scoreboard = load_scoreboard()
  coins = get_coin_count(user) + amount
  scoreboard[user] = coins

  File.write(SCOREBOARD, scoreboard.to_yaml)

  return coins
end

def empty_coin(user)
  scoreboard = load_scoreboard()
  scoreboard[user] = 0

  File.write(SCOREBOARD, scoreboard.to_yaml)
end

def plural(string, count)
  "#{count} #{string}#{count != 1 ? 's' : ''}"
end

def clean_name(input)
  input.tr '@', ''
end

bot.message(in: Integer(ENV['BOT_CHANNEL'])) do |event|
  if event.message.attachments.count { |x| x.filename.scan(/coin*/).length > 0 } > 0
    event.respond "Oh no! Looks like you tried to post a fradulent coin! #{clean_name event.author.display_name}, your coin balance has now been emptied. Let that be a lesson for next time!"
    empty_coin(event.author.id)
  end
end

bot.message(content: 'GET COIN' ) do |event|
  # update score
  if coin_state_active
    if event.author.bot_account?
      event.respond "Bots don't get coins!"
    end
    coin_state_active = false
    if(rand(100) == 47)
      hyper_coin_amount = rand(100)
      coins = increment_coin(event.author.id, hyper_coin_amount)
      event.respond "What astounding luck!!! #{clean_name event.author.display_name}, you've just activated HYPER COIN EVENT and have received #{hyper_coin_amount} coins for a grand total of #{coins} coins!"
    else
      coins = increment_coin(event.author.id)
      event.respond "Nice catch, #{clean_name event.author.display_name}! You have #{plural('coin', coins)} now!"
    end
  else
    event.respond "No coins for you, #{clean_name event.author.display_name}!"
  end
end

bot.message(with_text: '/coins') do |event|
  coins = get_coin_count(event.author.id)
  event.respond "#{clean_name event.author.display_name}, you have #{plural('coin', coins)}!"
end

bot.message(from: DUMBASS_BOT) do |event|
  next unless event.message.content.scan(/(?=no swearing)/).count > 0
  coins = increment_coin(DUMBASS, -1)
  event.respond "<@#{DUMBASS}>, you have been penalized 1 coin for the grossly negligent behavior of your Intellectual Offspring! You now have #{plural('coin', coins)}."

end

bot.reaction_add do |event|
  next unless event.emoji.name == COIN_EMOJI
  reactor_coins = get_coin_count(event.user.id)
  if reactor_coins == 0
    event.respond("<@#{event.user.id}>, you're a poor shmuck!")
    next
  end

  if event.message.author == event.user
    event.respond("<@#{event.user.id}>, you can't give coins to yourself!")
    next
  end

  increment_coin(event.message.author.id)
  increment_coin(event.user.id, -1)

  event.respond "<@#{event.message.author.id}>, you have been given a coin by <@#{event.user.id}>!"
end

bot.run(true)

loop do
  # sleep random amount of time between 1 and 4 hours
  sleep(get_random_hours(1, 4))
  # activate coin state
  coin_state_active = true
  # send coin GIF
  bot.send_file(ENV['BOT_CHANNEL'], File.open('./coin.gif', 'r'))
  coins_offered_today += 1

  # if max coins per day has reached, sleep until midnight
  if coins_offered_today >= MAX_COINS_PER_DAY
    sleep(get_seconds_to_midnight(Time.now))
    sleep(get_random_hours(0, 11))
    coins_offered_today = 0
  end
end

bot.join()