class DirectoryMaker
	attr_accessor :directory_queue

	def initialize(directory_queue)
		@directory_queue = directory_queue
	end

	def add_directory
		puts "\nEnter directory name: "
		name = gets.chomp
		if name.include? "/"
			system "clear"
			print_header
			view_directory_queue
			puts "\n#{name} is invalid.\n\n"
			add_directory
		elsif directory_queue.include?(name)
			system "clear"
			puts "\n#{name} already exists in directory queue.\n\n"
			add_directory
		else
			directory_queue.push name
			system "clear"
			print_header
			view_directory_queue
			puts "\nAdded #{name} to directory queue. Add another? (y/n)\n"

			chosen_action = gets.chomp
			puts "\n"

			case chosen_action
			when "y"
				system "clear"
				print_header
				view_directory_queue
				add_directory
			when "n"
				system "clear"
				start
			else
				system "clear"
				print_header
				view_directory_queue
				puts "\n#{chosen_action} is an invalid selection.\n\n"
				choose_action
			end
		end
		system "clear"
		choose_action
	end

	def view_directory_queue
		if directory_queue.empty?
			puts "---------------Directory Queue (Empty)----------------\n\n"
			puts "         (Add some directories to the queue!)         \n\n"
			puts "-------------------------------------------------------\n"
		else
			puts "--------------------Directory Queue--------------------\n\n"
			puts directory_queue
			puts "\n-------------------------------------------------------\n"
		end
	end

	def remove_directory
		puts "\nPlease enter the name of the directory you'd like to remove from the queue:\n"
		name = gets.chomp
		if directory_queue.include?(name)
			directory_queue.delete(name)
			system "clear"
			print_header
			view_directory_queue
			puts "\n#{name} has been deleted from the directory queue.\n\n"
			choose_action
		else
			system "clear"
			print_header
			view_directory_queue
			puts "\n#{name} does not exist.\n\n"
			choose_action
		end
	end

	def edit_directory
		puts "\nPlease enter the name of the directory you'd like to edit:\n"
		puts "\n"
		name = gets.chomp
		puts "\n"
		if directory_queue.include?(name)
			system "clear"
			print_header
			view_directory_queue
			puts "\nPlease enter new name for #{name}:\n"
			new_name = gets.chomp
			directory_queue[directory_queue.find_index(name)] = new_name
			system "clear"
			print_header
			view_directory_queue
			puts "\n#{name} has been changed to #{new_name}.\n\n"
			choose_action
		else
			system "clear"
			print_header
			view_directory_queue
			puts "\n#{name} does not exist.\n\n"
			choose_action
		end
	end

	def create_directories
		puts "\nWhere would you like to put your new directories?\n"
		location = gets.chomp
		if Dir.exists?(location)
			Dir.chdir(location)
			system "clear"
			print_header
			puts "\nCreating directories..."
			puts "-------------------------------------------------------\n\n"
			for directory in directory_queue
				if Dir.exists?(directory)
					puts "- #{directory} exists, skipping...\n"
				else
					puts "- Creating #{directory}...\n"
					Dir.mkdir(directory)
				end
			end
			puts "\n-------------------------------------------------------\n\n"
			puts "\nDone! Thank you for using Directomatic!\n\n"
			exit 0
		else
			system "clear"
			print_header
			view_directory_queue
			puts "\n#{location} does not exist. Please try again:\n\n"
			choose_action
		end
	end

	def choose_action
		puts "\n1) Add   2) Edit   3) Remove   4) Generate Directories\n\n"
		chosen_action = gets.chomp

		case chosen_action
		when "1"
			system "clear"
			print_header
			view_directory_queue
			add_directory
		when "2"
			system "clear"
			print_header
			view_directory_queue
			edit_directory
		when "3"
			system "clear"
			print_header
			view_directory_queue
			remove_directory
		when "4"
			system "clear"
			print_header
			view_directory_queue
			create_directories
		else
			system "clear"
			print_header
			view_directory_queue
			puts "\n#{chosen_action} is an invalid selection. Please try again:\n"
			choose_action
		end
	end

	def print_header
		puts "|=====================================================|"
		puts "|                     DIRECTOMATIC                    |"
		puts "|      Generate multiple directories in a flash!      |"
		puts "|=====================================================|\n\n"
	end

	def start
		print_header
		view_directory_queue
		choose_action
	end
end

directories = DirectoryMaker.new([])
system "clear"
directories.start