;; 10-iro-than.el
;; Use-package compatible configuration

;; Global line numbers
(use-package global-display-line-numbers
  :ensure t
  :config
  (global-display-line-numbers-mode))

;; Font size customization
(use-package change-font-size
  :ensure t
  :config
  (defun change-font-size (size)
    "Change font size."
    (interactive "nEnter size: ")
    (set-face-attribute 'default nil :height size)))

;; Rainbow delimiters with stronger colors
(use-package rainbow-delimiters
  :ensure t
  :config
  (defun rainbow-delimiters-using-stronger-colors ()
    "Enable rainbow delimiters with stronger colors."
    (interactive)
    (rainbow-delimiters-mode))
  (add-hook 'emacs-startup-hook 'rainbow-delimiters-using-stronger-colors))

;; Next line function
(use-package next-line
  :ensure t
  :config
  (defun next-line (arg)
    "Move to next line."
    (interactive "p")
    (forward-line arg)))

;; Rainbow delimiters (alternative setup)
(use-package rainbow-delimiters
  :ensure t
  :config
  (require 'rainbow-delimiters)
  (add-hook 'prog-mode-hook 'rainbow-delimiters-mode))

;; Neotree (sidebar)
(use-package neotree
  :ensure t
  :config
  (global-set-key "\C-o" 'neotree-toggle))

;; Window movement with Ctrl + arrow keys
(use-package windmove
  :ensure t
  :config
  (global-set-key (kbd "\C-c <left>") 'windmove-left)
  (global-set-key (kbd "\C-c <right>") 'windmove-right)
  (global-set-key (kbd "\C-c <up>") 'windmove-up)
  (global-set-key (kbd "\C-c <down>") 'windmove-down))

;; Golden ratio for window splitting
(use-package golden-ratio
  :ensure t
  :config
  (golden-ratio-mode 1)
  (add-to-list 'golden-ratio-exclude-buffer-names " *NeoTree*")
  (add-to-list 'golden-ratio-exclude-buffer-names " *Ilist*"))

;; Blacken for line wrapping
(use-package blacken
  :ensure t
  :custom ((blacken-line-length . 119)
           (blacken-skip-string-normalization . t)))

;; Smartparens for parentheses
(use-package smartparens
  :ensure t
  :config
  (smartparens-global-mode t))

;; Which-key for key assistance
(use-package which-key
  :diminish which-key-mode
  :hook (after-init . which-key-mode))

;; Scroll settings
(setq scroll-step 1
      scroll-conservatively 1
      scroll-margin 5
      next-screen-context-lines 1
      mouse-wheel-progressive-speed nil)

;; Custom scroll behavior
(defun next-line (arg)
  (interactive "p")
  (condition-case nil
      (line-move arg)
    (end-of-buffer)))

;; Line number toggle
(global-set-key (kbd "C-^") 'display-line-numbers-mode)

;; JSON reformat
(require 'json-reformat)

;; Imenu list
(setq speedbar-use-images nil)
(global-set-key (kbd "M-i") 'imenu-list-smart-toggle)

;; Buffer last line cursor behavior
(defun next-line (arg)
  (interactive "p")
  (condition-case nil
      (line-move arg)
    (end-of-buffer)))

;; Font size customization
(defun change-font-size (size)
  "Change font size (clearly `:height` in `face-attribute`) to given SIZE."

  (interactive
   (list
    (read-number
     (format "Input font size (current=%d): " (face-attribute 'default :height))
     nil)))
 
  (set-face-attribute 'default nil :height size))