class KPM::SystemProxy::CpuInformation

def build_hash(data)
  cpu = {}
  return cpu if data.nil?
  data.split("\n").each do |info|
    infos = info.split(':')
    key = infos[0].to_s.strip
    next if key.empty? || key.eql?('flags')
    cpu[key] = { cpu_detail: key, value: infos[1].to_s.strip }
  end
  cpu
end

def fetch
  cpu_info = nil
  if OS.windows?
    cpu_info = fetch_windows
  elsif OS.linux?
    cpu_info = fetch_linux
  elsif OS.mac?
    cpu_info = fetch_mac
  end
  cpu_info
end

def fetch_linux
  cpu_data = `cat /proc/cpuinfo 2>&1`.gsub("\t", '')
  build_hash(cpu_data)
end

def fetch_mac
  cpu_data = `system_profiler SPHardwareDataType | grep -e "Processor" -e "Cores" -e "Cache" 2>&1`
  build_hash(cpu_data)
end

def fetch_windows
  cpu_name = `wmic cpu get Name`.split("\n\n")
  cpu_caption = `wmic cpu get Caption`.split("\n\n")
  cpu_max_clock_speed = `wmic cpu get MaxClockSpeed`.split("\n\n")
  cpu_device_id = `wmic cpu get DeviceId`.split("\n\n")
  cpu_status = `wmic cpu get Status`.split("\n\n")
  cpu = {}
  cpu[cpu_name[0].to_s.strip] = { cpu_detail: cpu_name[0].to_s.strip, value: cpu_name[1].to_s.strip }
  cpu[cpu_caption[0].to_s.strip] = { cpu_detail: cpu_caption[0].to_s.strip, value: cpu_caption[1].to_s.strip }
  cpu[cpu_max_clock_speed[0].to_s.strip] = { cpu_detail: cpu_max_clock_speed[0].to_s.strip, value: cpu_max_clock_speed[1].to_s.strip }
  cpu[cpu_device_id[0].to_s.strip] = { cpu_detail: cpu_device_id[0].to_s.strip, value: cpu_device_id[1].to_s.strip }
  cpu[cpu_status[0].to_s.strip] = { cpu_detail: cpu_status[0].to_s.strip, value: cpu_status[1].to_s.strip }
  cpu
end

def initialize
  @cpu_info = fetch
  @labels = [{ label: :cpu_detail },
             { label: :value }]
end