# frozen_string_literal: true

# Released under the MIT License.
# Copyright, 2021-2022, by Samuel Williams.

require 'io/console'

require_relative 'text'

module Sus
	# Styled output output.
	module Output
		class XTerm < Text
			COLORS = {
				black: 0,
				red: 1,
				green: 2,
				yellow: 3,
				blue: 4,
				magenta: 5,
				cyan: 6,
				white: 7,
				default: 9,
			}
			
			ATTRIBUTES = {
				normal: 0,
				bold: 1,
				bright: 1,
				faint: 2,
				italic: 3,
				underline: 4,
				blink: 5,
				reverse: 7,
				hidden: 8,
			}
			
			def colors?
				true
			end
			
			def size
				@io.winsize
			end
			
			def style(foreground, background = nil, *attributes)
				tokens = []
				
				if foreground
					tokens << 30 + COLORS.fetch(foreground)
				end
				
				if background
					tokens << 40 + COLORS.fetch(background)
				end
				
				attributes.each do |attribute|
					tokens << ATTRIBUTES.fetch(attribute){attribute.to_i}
				end
				
				return "\e[#{tokens.join(';')}m"
			end
			
			def reset
				"\e[0m"
			end
		end
	end
end
