#!/usr/bin/env ruby


module Csv
	class CsvRow
		def initialize keys, values
			@content = Hash[]
			keys.each do |k|
				@content[k] = values[keys.index(k)]
			end
		end

		def method_missing name, *args
			@content[name.to_s]
		end
	end

	def self.included(base)
		base.extend ClassMethods
	end

	module ClassMethods
		def acts_as_csv
			include InstanceMethods
		end
	end

	module InstanceMethods
		attr_accessor :headers, :csv_contents

		def initialize
			read
		end

		def read
			@csv_contents = []
			filename = self.class.to_s.downcase + '.txt'
			file = File.new(filename)
			@headers = file.gets.chomp.split(',')

			file.each do |row|
				@csv_contents << row.chomp.split(',')
			end
		end

		def each
			@csv_contents.each {|line| yield CsvRow.new(@headers, line)}
		end
	end
end

class MyCsv
	include Csv
	acts_as_csv
end

csv = MyCsv.new
csv.each {|row| puts row.one}
puts
csv.each {|row| puts row.two}
puts
csv.each {|row| puts row.three}