;;   Kuso - My personal emacs IDE
;;    Copyright (C) 2010  Sameer Rahmani <lxsameer@gnu.org>
;;
;;    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
;;    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 <http://www.gnu.org/licenses/>.

;; C project plugin for Kuso IDE

;; ---------------------------------------------------------------------
;; Groups
;; ---------------------------------------------------------------------
(defgroup kuso-cplugin nil
  "This group contains all the optional components of Kuso IDE C plugin."
  :group 'kuso-ide
)

;; ---------------------------------------------------------------------
;; Custom Variables
;; ---------------------------------------------------------------------
(defcustom c-plugin t
  "KusoIDE C programming language plugin."
  :group 'kuso-features
  :type 'boolean
  :tag '"C Plugin")


;; ----------------------------------------------------------------------
;; Minor Mode Initialization
;; ----------------------------------------------------------------------

;; If user dont want the plug in so it should not loaded
;; -------------------------------------------------------------------
;; Hooks
;; -------------------------------------------------------------------
(defvar kuso-cplug-preinit-hook '()
  "This hook runs before initializing the Kuso c-plugin minor mode."
  )

(defvar kuso-cplug-postinit-hook '()
  "This hook runs after Kuso c-plugin minor mode initialized."
  )

(defvar kuso-cplug-prerm--hook '()
  "This hook runs before deactivating Kuso c-plugin minor mode."
  )

(defvar kuso-cplug-postrm-hook '()
  "This hook runs after Kuso c-plugin minor mode deactivated."
  )

;; ---------------------------------------------------------------------
;; Keymaps
;; ---------------------------------------------------------------------
(defvar kuso-cplugin-map (make-sparse-keymap)
  "Default keymap for Kuso c-plugin minor mode that hold the global key
binding for Kuso IDE C projects section."
  )



;; ---------------------------------------------------------------------
;; Functions
;; ---------------------------------------------------------------------
(defun cplugin/init-menus () "Draw required menu for C mode"
  
  (interactive)
  (define-key-after global-map [menu-bar file new-proj cproj] (cons "C/C++" (make-sparse-keymap "c-cpp-proj")))

  ;;  (define-key global-map (kbd "\C-x n k") 'kmodule)
  ;;  (define-key global-map [menu-bar file new-proj cproj kmodule] '("Kernel Module" . kmodule))
  
  ;;  (define-key global-map [menu-bar file new-proj cproj separator2] '("--"))
  
					;  (define-key global-map [Ctrl-x p c n ] 'make-cpp)
  ;;  (define-key global-map [menu-bar file new-proj cproj cpp-make] '("Make project (C++)" . make-cpp))
  
  ;;  (define-key global-map [Ctrl-x p c m ] 'make-c)
  ;;  (define-key global-map [menu-bar file new-proj cproj c-make] '("Make project (C)" . make-c))

  ;;  (define-key global-map [menu-bar file new-proj cproj separator1] '("--"))

  (define-key global-map (kbd "\C-x n \C-c") 'generic-cpp)
  (define-key global-map [menu-bar file new-proj cproj cppgeneric] '("Generic project (C++)" . generic-cpp))

  (define-key global-map (kbd "\C-x n c") 'generic-c)
  (define-key global-map [menu-bar file new-proj cproj cgeneric] '("Generic project (C)" . generic-c))

  (define-key global-map (kbd "\C-x n k") 'generic-c)
  (define-key global-map [menu-bar file new-proj cproj kernmod] '("Kernel module" . kernel-module))

  )

;; Thsi function exists because maybe Kuso needs more information
;; about new project in the feature the new-prject function did not
;; cover
(defun c-new-project () "Create a new C/C++ project"
  (new-project)
  (project/copying-license-copy)
  )


(defun compile ()
  "Run the make command and return the putput"
  (interactive)
  (let (output)
    (setq output (shell-command-to-string "make"))
    (message output)
    )
  )

(defun generic-c () "Create a generic type C project"
  (interactive)
  (c-new-project)
  
  (let (template-file-regexp license-data filelist cur template-data)
    (setq template-file-regexp (concat TEMPLATESPATH "c/generic_c/*.tmpl"))
    (setq filelist (file-expand-wildcards template-file-regexp))
    (while filelist
      (setq cur (pop filelist))
      (setq template-data (project/render-template cur))
      (setq template-data (replace-regexp-in-string "::unixname::" unix-project-name  template-data))
      (setq template-data (replace-regexp-in-string "::UNIXNAME::" unix-project-name  template-data))
      (project/write-dest-file cur template-data)
      )
    )

  (find-file (concat unix-project-name ".c"))
  (kuso-cplugin-mode)
  )


(defun kernel-module () "Create a linux kernel module project"
  (interactive)
  (c-new-project)

  (let (template-file-regexp license-data filelist cur template-data)
    (setq template-file-regexp (concat TEMPLATESPATH "c/kernel_module/*.tmpl"))
    (setq filelist (file-expand-wildcards template-file-regexp))
    (while filelist
      (setq cur (pop filelist))
      (setq template-data (project/render-template cur))
      (setq template-data (replace-regexp-in-string "::unixname::" unix-project-name  template-data))
      (setq template-data (replace-regexp-in-string "::UNIXNAME::" unix-project-name  template-data))
      (project/write-dest-file cur template-data)
      )
    )

  (find-file (concat unix-project-name ".c"))
  (kuso-cplugin-mode)
  )


(defun initial-keymap ()
  "Set the key binding for C project."
  (define-key kuso-cplugin-map (kbd "\C-c \C-c") 'compile)
  )


;; Initializing c menus at the load time
(add-hook 'kuso-postinit-mode-hook 'cplugin/init-menus)
(add-hook 'kuso-plugin-init-hook 'kuso-cplugin-mode)

;; ----------------------------------------------------------------------
;; Minor Modes
;; ----------------------------------------------------------------------
(define-minor-mode kuso-cplugin-mode
  "Toggle Kuso C plugin mode.
This mode provide C language plugin for Kuso IDE."
  :lighter " kuso-c"
  :keymap kuso-cplugin-map
  :global t 
  :group 'kuso-group

  (if kuso-cplugin-mode
      ;; kuso-cplugin-mode is not loaded
      (let () 
	(if c-plugin
	    (progn
	      ;; before initiazing mode
	      (run-hooks 'kuso-cplug-preinit-hook)
	      (initial-keymap)

	      ;; after mode was initialized
	      (run-hooks 'kuso-cplug-postinit-hook)
	      )
	  (log "C Plugin turned off")
	  )
	)
    ;; kuso-mode already loaded
    (let ()
      ;; before deactivating mode
      (run-hooks 'kuso-cplug-prerm-hook)
      ;; after deactivating mode
      (run-hooks 'kuso-cplug-postrm-hook)
      )
    )
  )