rotom_bot/bot.rb

require 'bundler'
require 'erb'
require 'yaml'
require 'json'
require 'terminal-table'

BOT_ENV = ENV.fetch('BOT_ENV') { 'development' }
Bundler.require(:default, BOT_ENV)

require 'active_record'

# Constants: such as roles and channel ids

HAP_ROTOM = "https://static.pokemonpets.com/images/monsters-images-800-800/479-Rotom.png"

# ---

Dotenv.load if BOT_ENV != 'production'

db_yml = File.open('config/database.yml') do |erb|
  ERB.new(erb.read).result
end

db_config = YAML.safe_load(db_yml)[BOT_ENV]
ActiveRecord::Base.logger = ActiveSupport::Logger.new(STDOUT)
ActiveRecord::Base.establish_connection(
  adapter: 'postgresql',
  host: db_config.fetch('host') { 'localhost' },
  database: db_config['database'],
  user: db_config['user'],
  password: db_config['password']
)

Dir['app/**/*.rb'].each { |f| require File.join(File.expand_path(__dir__), f) }


token = ENV['DISCORD_BOT_TOKEN']
bot = Discordrb::Bot.new(token: token)

# Methods: define basic methods here
# ---

# Commands: structure basic bot commands here

hello = Command.new(:hello) do |event|
  user = event.author.nickname || event.author.name

  greetings = [
    "Hi there, #{user}",
    "Greetings #{user}, you lovable bum",
    "Alola, #{user}",
    "Hello, #{user}! The Guildmasters have been waiting",
    "#{user} would like to battle!"
  ]

  Embed.new(
    description: greetings.sample,
    color: event.author.color.combined,
    thumbnail: {
      url: HAP_ROTOM
    }
  )
end

matchup = Command.new(:matchup) do |event, type|
  channel = event.channel.id
  file = "images/Type #{type.capitalize}.png"

  if File.exists?(file)
    bot.send_file(channel, File.open(file, 'r'))
  else
    bot.respond("I do not know this pokemon type! Please try again!")
  end
end

# ---

commands = [
  hello,
  matchup
]

# This will trigger on every message sent in discord
bot.message do |event|
  content = event.message.content

  if (match = /^pkmn-(\w+)/.match(content))
      command = match[1]

      if cmd = commands.detect { |c| c.name == command.to_sym }
        reply = cmd.call(content, event)

        if reply.is_a? Embed
          event.send_embed("", reply)
        elsif reply
          event.respond(reply)
        else
          event.respond("Something went wrong!")
        end
      end

  end
end

# This will trigger on every reaction is added in discord
bot.reaction_add do |event|
end

# This will trigger on every reaction is removed in discord
bot.reaction_remove do |event|
end

# This will trigger when a member is updated
bot.member_update do |event|
end

# This will trigger when anyone joins the server
bot.member_join do |event|
end

# This will trigger when anyone leaves the server
bot.member_leave do |event|
end

# This will trigger when anyone is banned from the server
bot.user_ban do |event|
end

# This will trigger when anyone is un-banned from the server
bot.user_unban do |event|
end

bot.run