;;; thanos-vm.el --- Manage your virtual machines with emacs  -*- lexical-binding: t; -*-

;; Copyright (C) 2023  Thanos Apollo

;; Author: Thanos Apollo <public@thanosapollo.com>
;; Keywords: 

;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.

;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;; GNU General Public License for more details.

;; You should have received a copy of the GNU General Public License
;; along with this program.  If not, see <https://www.gnu.org/licenses/>.

;;; Commentary:

;; 

;;; Code:

(defvar vm-directory "~/virtual-machines/")

(defun vm-create-image ()
  "Create qcow2 image."
  (interactive)
  (let ((name (format "%s%s.qcow2" vm-directory (read-string "Name: ")))
	(size (format "%s" (read-string "Size(G): "))))
    (shell-command
     (format "qemu-img create -f qcow2 %s %sG" name size))))


(defun vm-run ()
  "Spawn Virtual Machine."
  (interactive)
  (let ((memory (format "%sG" (read-string "Memory(G): ")))
	(cores (read-string "Cores: "))
	(image (read-file-name "Image: " vm-directory))
	(iso (if (y-or-n-p "Load iso?? ")
		 (read-file-name "ISO: ")
	       nil)))
    (start-process-shell-command
     "virtual-machine" nil
     (format "qemu-system-x86_64 -enable-kvm -m %s -smp %s -hda %s -vga qxl -device virtio-serial-pci -spice port=5784,disable-ticketing -display spice-app %s "
	     memory cores image (when iso (concat "-cdrom " iso))))))


(provide 'thanos-vm)
;;; thanos-vm.el ends here