#!/usr/bin/ruby

exts = ['m', 'cpp', 'sh']

# check license in files, add it if not present
require 'find'

updated = 0
conform = 0
exts.each() do |ext|
	puts "--- processing #{ext} files"
	license = IO.readlines('license.'+ext).join()
	Find.find('./') do |f|
		if File.file?(f) && File.extname(f) == '.'+ext
			content = ''
			header = ''
			IO.readlines(f).each() do |line|
				if content.length == 0 && (ext == 'xml' || ext == 'html') && (line.index('<?') == 0 || (line.index('<!') == 0 && line.index('<!--') != 0))
					header += line
				else
					content += line
				end
			end
			if content.index(license) != 0
				File.open(f, 'w') do |f2|
					f2.puts header + license + content
				end
				puts "#{f} updated"
				updated += 1
			else
				conform += 1
			end
		end
	end
end
puts "------------------------------------------------"
puts "#{updated} files updated, #{conform} already compliant"