display.rb

# frozen_string_literal: true

require 'colorize'
require_relative 'cursor'

class Display
  attr_reader :board, :cursor

  def initialize(board)
    @board = board
    @cursor = Cursor.new([0, 0], @board)
    @in_check = false
  end

  def render
    print `clear`
    @board.rows.each.with_index do |row, i|
      row.each.with_index do |square, j|
        background_color = (:yellow if [i, j] == @cursor.cursor_pos) || set_background([i, j])
        if @cursor.selected && @cursor.cursor_pos == [i, j]
          background_color = :green
        end
        print " #{square} ".colorize(color: square.color, background: background_color)
      end
      puts "\n"
    end
    puts 'You are currently in check.' if @in_check == true
  end

  def set_background(pos)
    row, col = pos
    return :light_black if row % 2 == col % 2

    :light_blue
  end

  def in_check(boolean)
    @in_check = boolean
  end
end