class Covered::MarkdownSummary

def call(wrapper, output = $stdout)
	output.puts '# Coverage Report'
	output.puts
	
	ordered = []
	buffer = StringIO.new
	
	statistics = self.each(wrapper) do |coverage|
		ordered << coverage unless coverage.complete?
	end
	
	statistics.print(output)
	
	if ordered.any?
		output.puts "", "\#\# Least Coverage:", ""
		ordered.sort_by!(&:missing_count).reverse!
		
		ordered.first(5).each do |coverage|
			path = wrapper.relative_path(coverage.path)
			
			output.puts "- `#{path}`: #{coverage.missing_count} lines not executed!"
		end
	end
	
	output.print(buffer.string)
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]
		prefix = "#{line_offset}|".rjust(8) + "*|".rjust(8)
		output.write prefix
		
		output.write line.match(/^\s+/)
		output.puts "\# #{annotations.join(", ")}"
	end
end

def print_line(output, line, line_offset, count)
	prefix = "#{line_offset}|".rjust(8) + "#{count}|".rjust(8)
	
	output.write prefix
	output.write line
	
	# If there was no newline at end of file, we add one:
	unless line.end_with?($/)
		output.puts
	end
end

def print_line_header(output)
	output.puts "Line|".rjust(8) + "Hits|".rjust(8)
end