# frozen_string_literal: true
module GetYourRep
  # Command Line Interface
  module CLI # :nodoc:
    class << self
      include GetYourRep

      attr_reader :line, :address, :delegation

      def call
        Patriotic.stars_and_bars
        Patriotic.welcome
        @line = 0
        start
      end

      private

      def start
        puts '', "Type 'help' for help".blue
        loop do
          command_line
          input = gets.strip.downcase

          case input
          when 'help'
            help
          when 'exit'
            break
          when 'set address'
            set_address
          when 'address'
            find_or_set_address
          when 'all reps'
            all_reps
          when 'google all reps'
            google_all_reps
          when 'google congress only'
            google_congress_only
          when 'open states'
            open_states
          else
            command_not_found_error
          end
        end
      end

      def command_line
        new_line
        print "[#{line}] gyr(#{VERSION}) -> "
      end

      def find_or_set_address
        puts address || set_address
      end

      def new_line
        @line += 1
      end

      def help
        puts "'help'...................list of commands".bold.blue
        puts "'address'................displays address or sets it if there is none".bold.blue
        puts "'set address'............set a new address".bold.blue
        puts "'all reps'...............get federal legislators from Google".bold.blue
        puts '                         and state legislators from Open States'.bold.blue
        puts "'google all reps'........get all federal and state executives and".bold.blue
        puts '                         legislators from Google'.bold.blue
        puts "'google congress only'...get only congress from Google".bold.blue
        puts "'open states'............get only state legislators from Open States".bold.blue
        puts "'exit'...................exit".bold.blue
      end

      def set_address
        puts "\nThe most accurate results will always be achieved with a full address, \n\
but you can try a zip code if you insist.".yellow
        puts 'Hint: '.bold.blue + 'GYR will geocode your zip to an address anyway.'.yellow
        print "\nPlease enter your address -> "
        self.address = gets.strip
      end

      def address=(value)
        @address = address_is_a_zip?(value) ? convert_zip_to_address(value) : value
      end

      def all_reps
        address || set_address
        super(address)
        display_reps
      end

      def google_all_reps
        address || set_address
        @delegation = Google.all_reps(address)
        display_reps
      end

      def google_congress_only
        address || set_address
        @delegation = Google.all_reps(address, congress_only: true)
        display_reps
      end

      def open_states
        address || set_address
        @delegation = OpenStates.all_reps(address)
        display_reps
      end

      def display_reps
        rep_list
        puts 'Select a rep number for more detail. '\
          "Type 'list' for the list or 'exit' for a new query.".yellow
        rep_loop
      end

      def rep_list
        delegation.each_with_index do |rep, index|
          puts "#{index + 1}. #{rep.name}".bold.blue
        end
      end

      def rep_loop
        loop do
          command_line
          input = gets.strip.downcase
          num   = input.to_i

          if input == 'exit'
            puts "Enter a new query. Type 'help' for help.".yellow
            break

          elsif input == 'list'
            rep_list

          elsif (1..delegation.count).cover?(num)
            delegation.each_with_index do |rep, index|
              next if index + 1 != num
              rep.cli_display
            end

          else
            puts "Submit a valid entry or type 'exit'.".bold.red
          end
        end
      end
    end
  end
end