class MTG
  attr_accessor :card, :sets, :market_price, :price_fluctuate, :image
  @@modern_up = []
  @@modern_down = []
  @@standard_up = []
  @@standard_down = []
  @@temp_array = []

  ATTRIBUTES = [
      "Card:",
      "Set:",
      "Market Value:",
      "Rise/Fall amount:",
      "Image URL:"
  ]

  #new instance will be created with already assigned values to MTG attrs
  def initialize(attributes)
    attributes.each {|key, value| self.send("#{key}=", value)}
  end

  def save_modern_up
    @@modern_up << self
  end

  def save_modern_down
    @@modern_down << self
  end

  def save_standard_up
    @@standard_up << self
  end

  def save_standard_down
    @@standard_down << self
  end

  def self.create_modern_up(attributes)
    #allows cards instance to auto return thanks to tap implementation
    cards = MTG.new(attributes).tap {|card| card.save_modern_up}
  end

  def self.create_modern_down(attributes)
    cards = MTG.new(attributes).tap {|card| card.save_modern_down}
  end

  def self.create_standard_up(attributes)
    cards = MTG.new(attributes).tap {|card| card.save_standard_up}
  end

  def self.create_standard_down(attributes)
    cards = MTG.new(attributes).tap {|card| card.save_standard_down}
  end

  def self.all(format)
    #iterate through each instance that was appended into class variable during initialization
    format.each_with_index do |card, number|
      puts ""
      puts "|- #{number + 1} -|".fg COLORS[4]
      puts ""
        #line below helps resolve glitch that allows 'ghost/invalid' cards to be selected from Parser.purchase
        if number < Parser.table_length
        #iterate through each instance method that was defined for the stored instance variable
        card.instance_variables.each_with_index do |value, index|
          #returns the value of the instance method applied to the instance
          #with an index value of the first/last, key/value pairs ordered in Parser.scrape_cards
          #associates a named definition of the values by titling it from constant ATTRIBUTES
          if index < 4
            puts "#{ATTRIBUTES[index].fg COLORS[2]} #{card.instance_variable_get(value)}"
          end
        end
      end
      puts ""
      print "                                                 ".bg COLORS[7]
    end
  end

  #hack that resolves glitch that would display duplicate
  #recursions in the selected cards to show by user request in CLI.set_input
  def self.store_temp_array(array)
    @@temp_array = array
    self.all(@@temp_array)
    @@temp_array.clear
  end

  def self.search_modern_up
    self.all(@@modern_up)
  end

  def self.search_modern_down
    self.all(@@modern_down)
  end

  def self.search_standard_up
    self.all(@@standard_up)
  end

  def self.search_standard_down
    self.all(@@standard_down)
  end

  def self.modern_up
    @@modern_up
  end

  def self.modern_down
    @@modern_down
  end

  def self.standard_up
    @@standard_up
  end

  def self.standard_down
    @@standard_down
  end

end