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_i

        end

        def y_axis_name

            @y_axis

        end

        def graph_name

            "#@graph_name (CPUs: #@cpu_count)"

        end

    end

end