require 'logger'
require 'rubygems'

require "extreme_feedback_device/version"

module ExtremeFeedbackDevice
  class << self
    def logger
      if settings['log']
        @logger ||= ::Logger.new(settings.log.file, settings.log['keep'], settings.log['size'])
      else
        @logger ||= ::Logger.new(STDOUT)
      end
    end

    def environment
      ENV["EFD_ENV"] || "production"
    end

    def settings
      @settings ||= ExtremeFeedbackDevice::Settings
    end

    def jenkins
      @jenkins ||= ExtremeFeedbackDevice::Jenkins.new(settings.jenkins.user, settings.jenkins.token, settings.jenkins.url)
    end

    def pi
      @pi ||= ExtremeFeedbackDevice::Pi.new(settings.pi.num_leds, settings.spi['device'])
    end

    def run
      jobs = jenkins.jobs
      num_leds = settings.pi.num_leds
      map_leds = settings.pi.map_leds

      num_leds.times do |led_idx|
        job_name = map_leds["i_#{led_idx}"]
        if job_name
          job = jobs.find { |job| job.name == job_name }
          if job
            if job.fail?
              pi.leds[led_idx] = ::Color::RGB::Red
            elsif job.unstable?
              pi.leds[led_idx] = ::Color::RGB::Yellow
            elsif job.success?
              pi.leds[led_idx] = ::Color::RGB::Green
            elsif job.inactive?
              pi.leds[led_idx] = ::Color::RGB::Grey
            elsif job.disabled?
              pi.leds[led_idx] = ::Color::RGB::Grey
            else # any other state
              pi.leds[led_idx] = ::Color::RGB::Black
            end
          else # no job with this name in jenkins
            pi.leds[led_idx] = ::Color::RGB::Black
          end
        else # no job associated with this led_idx
          pi.leds[led_idx] = ::Color::RGB::Black
        end
      end
      pi.write!
    end

    def infinite_loop
      settings['infinite_loop'] ||= {}
      interval = settings.infinite_loop['sleep'] || 30

      %w(INT TERM).each do |signal|
        trap(signal) do
          puts "\r\nReceived SIGINT - turning off all LEDs and exit ..."
          pi.leds_black!
          pi.leds_black! # ... just to be safe
          exit(0)
        end
      end

      while true
        run
        sleep(interval)
      end
    end
  end
end

require "extreme_feedback_device/cli"
require "extreme_feedback_device/jenkins"
require "extreme_feedback_device/job"
require "extreme_feedback_device/pi"
require "extreme_feedback_device/settings"
require "extreme_feedback_device/spi"