require "bubbletea"
require "lipgloss"

class Counter
  include Bubbletea::Model

  def initialize
	@title_style = Lipgloss::Style.new.bold(true).foreground("212")
	@help_style = Lipgloss::Style.new.foreground("241")
    @prompt = File.readlines("prompts.txt").map(&:chomp)
	@cursor = 0
    @choice = nil
  end

  def init
    [self, nil]
  end

  def update(message)
    case message
    when Bubbletea::KeyMessage
      case message.to_s
      when "q", "ctrl+c"
        [self, Bubbletea.quit]
      when "enter"
      	@cursor += 1
		@choice = @prompt[@cursor]
        [self, nil]
      else
        [self, nil]
      end
    else
      [self, nil]
    end
  end

  def view
  	lines = []
  	lines << @title_style.render("#{@choice}")
	lines << ""
  	lines << @help_style.render("Press q to quit or enter for a new prompt")
  	lines.join("\n")
  end
end

Bubbletea.run(Counter.new)