module Rubysermon
 	class Cpu < ModTemplate
 

 		def initialize

 			@y_axis = "CPU Load"
 			@graph_name = "CPU Load In Time"

 			@cpu_count = File.readlines("/proc/stat").select { |line|
 				line =~ /^cpu[\d]/
 			}.length

 			@cpu_load = 0.00

 			@options = {notify_threshold: @cpu_count*0.90}

 		end
 

 		def load_options(options)

 			@options.merge!(options)

 		end
 
 		def results

 			@cpu_load = File.read("/proc/loadavg").split(" ").first.to_f

 		end
 
 		def notify?

 			@cpu_load >= @options[:notify_threshold].to_f

 		end
 

 		def graph_labels
 			{
 				y_axis: @y_axis,
 				graph_name: "#@graph_name (CPUs: #@cpu_count)"
 			}

 		end

 	end
 end