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;;; clojure.el --- My Clojure preferences -*- lexical-binding: t -*-
;; Author: William Carroll <wpcarro@gmail.com>

;;; Commentary:
;; Hosting my Clojure tooling preferences

;;; Code:

;; Helper functions
(defun wpc/buffer-name-for-clojure-mode (mode)
  (let* ((project-name (projectile-project-name))
         (cljs-name (concat "*cider-repl CLJS " project-name "*"))
         (clj-name  (concat "*cider-repl " project-name "*")))
    (cond ((eq mode 'clojurescript-mode) cljs-name)
          ((eq mode 'clojure-mode) clj-name)
          ((eq mode 'clojurec-mode) cljs-name))))

(defun wpc/repl-function-for-clojure-mode (mode)
  (let ((project-name (projectile-project-name))
        (cljs-fn #'cider-jack-in-clojurescript)
        (clj-fn  #'cider-jack-in))
    (cond ((eq mode 'clojurescript-mode) cljs-fn)
          ((eq mode 'clojure-mode) clj-fn)
          ((eq mode 'clojurec-mode) cljs-fn))))

(defun wpc/find-or-create-clojure-or-clojurescript-repl ()
  (interactive)
  (with-current-buffer (current-buffer)
    (let ((buffer-name   (wpc/buffer-name-for-clojure-mode major-mode))
          (repl-function (wpc/repl-function-for-clojure-mode major-mode)))
      (if (get-buffer buffer-name)
          (switch-to-buffer buffer-name)
        (funcall repl-function)))))

(use-package cider
  :config
  (general-define-key
    :keymaps 'cider-repl-mode-map
    "C-l"    #'cider-repl-clear-buffer
    "C-u"    #'kill-whole-line
    "<up>"   #'cider-repl-previous-input
    "<down>" #'cider-repl-next-input
    "C-c 'j" #'wpc/find-or-create-clojure-or-clojurescript-repl)
  (setq cider-cljs-lein-repl
        "(do (require 'figwheel-sidecar.repl-api)
             (figwheel-sidecar.repl-api/start-figwheel!)
             (figwheel-sidecar.repl-api/cljs-repl))"
        cider-prompt-for-symbol nil))

(provide 'wpc-clojure)
;;; wpc-clojure.el ends here