;;; latex-settings.el --- AUCTeX / LaTeX configuration

(use-package auctex
  :defer t
  :init
  (setq TeX-auto-save t               ; cache style info in auto/ for faster opens
        TeX-parse-self t              ; parse document on open for completions
        TeX-PDF-mode t                ; compile to PDF by default
        TeX-source-correlate-mode t   ; SyncTeX: link editor positions to PDF
        TeX-source-correlate-start-server t)
  :hook
  ((LaTeX-mode . LaTeX-math-mode)
   (LaTeX-mode . flyspell-mode)
   (LaTeX-mode . reftex-mode))
  :config
  (setq reftex-plug-into-AUCTeX t)
  ;; Use zathura as the PDF viewer (SyncTeX: click in PDF jumps to source line)
  (add-to-list 'TeX-view-program-selection '(output-pdf "Zathura"))
  ;; LatexMk handles multiple pdflatex passes, bibliography, index automatically
  (add-to-list 'TeX-command-list
               '("LatexMk" "latexmk -pdf -interaction=nonstopmode %s"
                 TeX-run-TeX nil t :help "Run latexmk"))
  (setq TeX-command-default "LatexMk")

  (defun rh/latex-build-pdf ()
    "Compile the current LaTeX buffer to PDF using latexmk."
    (interactive)
    (TeX-command "LatexMk" #'TeX-master-file))

  (with-eval-after-load 'latex
    (define-key LaTeX-mode-map (kbd "C-c C-b") #'rh/latex-build-pdf)))

(provide 'latex-settings)
;;; latex-settings.el ends here