module CyberarmEngine
  class MultiLineText
    attr_accessor :options, :x, :y, :width, :height

    def initialize(text, options={})
      @texts = []
      text.split("\n").each_with_index do |line, i|
        _options = options
        _options[:y]+=_options[:size]
        @texts << Text.new(line, _options)
      end
      @options = options
      @x = @texts.first ? @texts.first.x : 0
      @y = @texts.first ? @texts.first.y : 0
      @width  = 0
      @height = 0
      calculate_boundry
    end

    def draw
      @texts.each(&:draw)
    end

    def text
      string = ""
      @texts.each {|t| string << t.text}
      return string
    end

    def text=(text)

      if text.lines.count < @texts.count
        range = ((@texts.count - @text.lines.count)-1)..@texts.count-1
        p range
        @texts.slice!(range)
      end

      text.split("\n").each_with_index do |line, i|
        if @texts[i]
          @texts[i].text = line
        else
          @texts << Text.new(line, @options)
        end
      end

      self.y = @y
      calculate_boundry
    end

    def x=(int)
      @x = int
      @texts.each {|t| t.x = int}
    end

    def y=(int)
      @y = int
      @texts.each_with_index {|t, i| t.y=int+(i*t.size)}
    end

    def calculate_boundry
      @width = 0
      @height= 0
      @texts.each {|t| @width = t.width if t.width > @width}
      @texts.each {|t| @height+=t.height}
    end
  end
end