;;; view-functions.el --- My functions to monitor system infos -*- lexical-binding: t; -*-

;;;###autoload
(defun durand-view-timers-or-temps (&optional arg)
  "View the list of timers or view the CPU temperature info.
If ARG is nil, view the list of timers.
If ARG is '(4), view the information about CPU temperature and
fans speed and some others.
If ARG is '(16), view the battery information."
  (interactive "P")
  (cond
   ((null arg)
    (let (fan-speed
          cpu-die-temperature
          remain
          full-capacity
          fullp
          charging
          cycle
          condition
          connected
          battery-temp)
      (with-temp-buffer
;;; NOTE: First fans information
        (insert (funcall
                 (plist-get (car (auth-source-search :host "local-computer"))
                            :secret)))
        (call-process-region
         nil nil "sudo"
         nil t nil "-S" "powermetrics"
         "-i1" "-n1" "-ssmc")
        (goto-char (point-min))
        (search-forward "Fan" nil t)
        (setf fan-speed
              (progn (re-search-forward "[[:digit:]]+" (line-end-position) t)
                     (string-to-number (match-string 0)))
              cpu-die-temperature
              (progn (re-search-forward "temperature: \\([[:digit:]]+\\.[[:digit:]]+\\)" nil t)
                     (string-to-number (match-string 1))))

;;; NOTE: Now battery charge information
        (erase-buffer)
        (call-process "system_profiler" nil t nil
                      "SPPowerDataType")
        (goto-char (point-min))
        (re-search-forward "Fully Charged: \\(.+\\)$" nil t)
        (setf fullp (match-string-no-properties 1))
        (re-search-forward "Charging: \\(.+\\)$" nil t)
        (setf charging (match-string-no-properties 1))
        (re-search-forward "Full Charge Capacity (mAh): \\([[:digit:]]+\\)$" nil t)
        (setf full-capacity (string-to-number (match-string-no-properties 1)))
        (re-search-forward "State of Charge (%): \\([[:digit:]]+\\)" nil t)
        (setf remain (string-to-number (match-string-no-properties 1)))
        (re-search-forward "Cycle Count: \\(.+\\)$" nil t)
        (setf cycle (string-to-number (match-string-no-properties 1)))
        (re-search-forward "Condition: \\(.+\\)$" nil t)
        (setf condition (match-string-no-properties 1))
        (re-search-forward "Connected: \\(.+\\)$" nil t)
        (setf connected (match-string-no-properties 1))

;;; NOTE: Now battery temperature
        (erase-buffer)
        (call-process "ioreg" nil t nil "-n" "AppleSmartBattery" "-r")
        (goto-char (point-min))
        (re-search-forward "Temperature..=." nil t)
        (re-search-forward "[[:digit:]]+" nil t)
        (setf battery-temp
              (/ (string-to-number (match-string-no-properties 0))
                 100.0)))
      (message
       (concat
        (format "fan: %d, temp: %s, battery temp: %.2f"
                fan-speed cpu-die-temperature battery-temp)
        "\n"
        (format "Full: %d, remaining: %d%s, fullp: %s, charging: %s, connected: %s, cycles: %d, condition: %s"
                full-capacity remain "%%" fullp charging connected cycle condition)))))
   ((equal arg (list 4)) (list-timers))
   (t
    (user-error "Unsupported ARG: %S" arg))))

(define-obsolete-function-alias 'durand-view-timers 'durand-view-timers-or-temps
  "2020-09-02" "View the list of timers.")

;;;###autoload
(defun durand-view-process (&optional arg)
  "View the list of processes"
  (interactive "P")
  (if arg
      (proced)
    (message "%s" (process-list))))