class Covered::Summary

def call(wrapper, output = $stdout)
	statistics = self.each(wrapper) do |coverage|
		line_offset = 1
		
		path = wrapper.relative_path(coverage.path)
		output.puts "", Rainbow(path).bold.underline
		
		counts = coverage.counts
		
		coverage.read do |file|
			file.each_line do |line|
				count = counts[line_offset]
				
				print_annotations(output, coverage, line, line_offset)
				
				output.write("#{line_offset}|".rjust(8))
				output.write("#{count}|".rjust(8))
				
				if count == nil
					output.write Rainbow(line).faint
				elsif count == 0
					output.write Rainbow(line).red
				else
					output.write Rainbow(line).green
				end
				
				# If there was no newline at end of file, we add one:
				unless line.end_with? $/
					output.puts
				end
				
				line_offset += 1
			end
		end
		
		coverage.print(output)
	end
	
	statistics.print(output)
end

def each(wrapper)
	statistics = Statistics.new
	
	wrapper.each do |coverage|
		statistics << coverage
		
		if @threshold.nil? or coverage.ratio < @threshold
			yield coverage
		end
	end
	
	return statistics
end

def initialize(threshold: 1.0)
	@threshold = threshold
end

def print_annotations(output, coverage, line, line_offset)
	if annotations = coverage.annotations[line_offset]
		output.write("#{line_offset}|".rjust(8))
		output.write("*|".rjust(8))
		
		output.write line.match(/^\s+/)
		output.write '# '
		
		output.puts Rainbow(annotations.join(", ")).bright
	end
end