require 'hanoi/jane'

module Hanoi
  module Jane
    class CLI < ::Thor
      desc 'version', 'Print hanoi version'
      def version
        puts 'hanoi version #{VERSION}'
      end
      map %w(-v --version) => :version

      desc 'phat', "Solve the towers against the pHAT's webserver"
      option :phat, type: :string, required: true, desc: 'Address of the pHAT you want to hit'
      option :discs, type: :numeric, default: 5, desc: 'Number of discs'
      option :constrained, type: :boolean, desc: 'Solve the constrained variant'
      option :interval, type: :numeric, default: 0.1, desc: 'Time between frames (ish)'

      def phat
        smoosher = Hanoi::Jane::Smoosher.new
        [:close, :open].each do |direction|
          smoosher.direction = direction
          Hanoi::Jane.render_to_phat smoosher, options[:interval], options[:phat]
        end

        drop_in = DropIn.new do |d|
          d.height = 7
          d.discs = options[:discs]
        end

        towers = AnimatedTowers.new do |a|
          a.towers = ConstrainedTowers
          a.discs = options[:discs]
          a.height = 7
        end

        [drop_in, towers].each do |source|
          Hanoi::Jane.render_to_phat source, options[:interval], options[:phat]
        end
      end

      desc 'console', 'Solve the towers on the console'
      option :discs, type: :numeric, default: 3, desc: 'Number of discs'
      option :constrained, type: :boolean, default: true, desc: 'Solve the constrained variant'
      option :interval, type: :numeric, default: 0.5, desc: 'Time between frames (ish)'
      option :height, type: :numeric, default: 2, desc: 'Additional height above towers'
      option :fancy, type: :boolean, default: false, desc: 'Draw the towers using emojis'

      def console
        begin
          drop_in = DropIn.new do |d|
            d.height = options[:discs] + options[:height]
            d.discs = options[:discs]
          end

          towers = AnimatedTowers.new do |a|
            a.towers = options[:constrained] ? ConstrainedTowers : RegularTowers
            a.discs = options[:discs]
            a.height = options[:discs] + options[:height]
          end

          [drop_in, towers].each do |source|
            Hanoi::Jane.render_to_console source, options[:interval], options[:fancy]
          end

          puts '%d moves to solve for %d discs' % [towers.towers.total, towers.discs]

        rescue HanoiException => he
          puts he.text
          system('exit')
        end
      end
    end
  end
end