#!/usr/bin/env ruby

class LineType
	def initialize (strippedLine)
		@strippedLine = strippedLine
	end

	def isValid 
		!(s[-1] != ";")
	end
end

class VariableLineType < LineType

	UNINITIALIZED_REGEX = /var[" "]([a-zA-Z0-9])\w+: [a-zA-Z]*([!]?[?]?)/
	INITIALIZED_REGEX = /var[" "]([a-zA-Z0-9])\w+ = ([a-zA-Z0-9]?"?[(]?[)]?.?)*/

	def isValid 
		isValidUninitialized || isValidInitialized
		# super.isValid && (isValidUninitialized || isValidInitialized)
	end

	def isValidUninitialized
		!!(@strippedLine =~ UNINITIALIZED_REGEX) && !(@strippedLine.include? "=")
	end

	def isValidInitialized
		!!(@strippedLine =~ INITIALIZED_REGEX)
	end
end

class ConstantLineType < LineType

	UNINITIALIZED_REGEX = /let[" "]([a-zA-Z0-9])\w+: [a-zA-Z]*([!]?[?]?)/
	INITIALIZED_REGEX = /let[" "]([a-zA-Z0-9])\w+ = ([a-zA-Z0-9]?"?[(]?[)]?.?)*/

	def isValid 
		isValidUninitialized || isValidInitialized
		# super.isValid && isValidUninitialized || isValidInitialized
	end

	def isValidUninitialized
		!!(@strippedLine =~ UNINITIALIZED_REGEX) && !(@strippedLine.include? "=")
	end

	def isValidInitialized
		!!(@strippedLine =~ INITIALIZED_REGEX)
	end
end

class ClassLineType < LineType

	CLASS_REGEX = /class[" "]([a-zA-Z])\w+((: (([a-zA-Z])\w+))((, (([a-zA-Z])\w+)){0,10}))? {/

	def isValid
		!!(@strippedLine =~ CLASS_REGEX)
	end

end

class CommentLineType < LineType

	COMMENT_WITH_COMMENTS_REGEX = /\/\/\/?(( (?=.))(.{0,}))/
	COMMENT_WITHOUT_COMMENTS_REGEX = /\/\/\/?(?!.)/

	def isValid
		!!(@strippedLine =~ COMMENT_WITH_COMMENTS_REGEX) || !!(@strippedLine =~ COMMENT_WITHOUT_COMMENTS_REGEX)
	end

end