require "colorize"

require "./generic"

module Builder
  class PromptString < PromptGeneric

    SEPARATOR = "\n\n"

    getter use_color : Bool
    def initialize(@use_color)
      Colorize.enabled = @use_color
    end

    def build(prompt : Prompt)
      str = ""

      str += prompt.prelude_zone.content.join(SEPARATOR)

      if ! prompt.system_zone.content.empty?
        str += "@@system".colorize(:yellow).to_s
        str += prompt.system_zone.content.join(SEPARATOR)
      end

      if ! prompt.past_zone.content.empty?
        str += "@@before".colorize(:yellow).to_s
        str += prompt.past_zone.content.join(SEPARATOR)
      end

      if ! prompt.present_zone.content.empty?
        str += "@@current".colorize(:yellow).to_s
        str += prompt.present_zone.content.join(SEPARATOR).colorize(:light_cyan).to_s
      end

      if ! prompt.future_zone.content.empty?
        str += "@@after".colorize(:yellow).to_s
        str += prompt.future_zone.content.join("\n")
      end

      str
    end
  end
end