class Console::Terminal::Formatter::Progress

def bar(value, width)
	blocks = width * value
	full_blocks = blocks.floor
	partial_block = ((blocks - full_blocks) * BLOCK.size).floor
	
	if partial_block.zero?
		BLOCK.last * full_blocks
	else
		"#{BLOCK.last * full_blocks}#{BLOCK[partial_block]}"
	end.ljust(width)
end

def format(event, output, verbose: false, width: 80)
	current = event[:current].to_f
	total = event[:total].to_f
	value = current / total
	
	# Clamp value to 1.0 to avoid rendering issues:
	if value > 1.0
		value = 1.0
	end
	
	output.puts "#{@terminal[:progress_bar]}#{self.bar(value, width-10)}#{@terminal.reset} #{sprintf('%6.2f', value * 100)}%"
end

def initialize(terminal)
	@terminal = terminal
	@terminal[:progress_bar] ||= terminal.style(:blue, :white)
end