class FictionArt

# File lib/fictionArt.rb, line 13
def initialize(text = "nothing")
      
      @image_chars ||= ' .~:+=o*x^%#@'.chars.to_a
      check = Dir.glob("#{__dir__}/../images/#{text}.jpg")

  if check.length == 0
        if text == "nothing"
             @status = false   # for tests
        elsif text.nil? 
             @status = false   # for tests
             abort("Nothing inputted")
        else
             @status = false   # for tests
             puts 
             check_possible(text)
    end
  else
    open(check[0]) { |file| @data = file.read }
    @status = true   # for tests
  end

end

# File lib/fictionArt.rb, line 108
def check_possible(text)
      puts "Possible Characters:"
      list = Dir.glob("#{__dir__}/../images/*.jpg")
      
      list.each do |character|
        character = character[/.*images\/(.*).jpg/,1]
        if character.downcase.include? text.downcase
              puts character
        elsif text.downcase.include? character.downcase
           puts character
        end
      end

end

# File lib/fictionArt.rb, line 38
def createAscii(options = {})
  if @status == true
    options = {"width" => 90, "color" => true}.merge(options)
        img = Magick::Image.from_blob(@data).first
        width  = options["width"]
        scale  = (width.to_f / img.columns)
          
        height = ((img.rows * scale) / 2).to_i
        # puts height
        if height >= 100
             height = 80
        end

        border = "+#{'-' * width}+\n"
        output = border.dup

        img.resize!(width, height)
        color_image   = img.dup if options["color"]
        img           = img.quantize(@image_chars.length, Magick::GRAYColorspace).normalize
        quantum_calc  = Magick::QuantumRange / (@image_chars.length - 1)

          
        img.view(0, 0, width, height) do |view|
            
          height.times do |i|
              
            output << '|'
            width.times do |j|

              character = @image_chars[view[i][j].red/quantum_calc]     

              if options["color"]
                pix       = color_image.pixel_color(j,i)
                character = character.color(unified_rgb_value(pix.red), unified_rgb_value(pix.green), unified_rgb_value(pix.blue))
              end

              output << character
            end

            output << "|\n"
          end
        end


        output << border
        return output
      end
end

# File lib/fictionArt.rb, line 99
def list_all
      list = Dir.glob("#{__dir__}/../images/*.jpg")
      list.each do |character|
              puts character[/.*images\/(.*).jpg/,1]
      end
end

# File lib/fictionArt.rb, line 89
def unified_rgb_value(number)
  if defined?(Magick::QuantumDepth)
    return (Magick::QuantumDepth == 16) ? (number / 256) : number
  else
    return (Magick::QuantumRange == 65535) ? (number / 256) : number
  end
end