(use-package smex
  :config
  (smex-initialize))

(use-package swiper
  :config
  (use-package counsel
    :config
    (setq counsel-yank-pop-separator
          (concat "\n\n" (make-string 70 ?-) "\n"))
    (setq counsel-git-log-cmd
          "GIT_PAGER=cat git log --pretty='TUMASHU%%s%%n%%n%%b' --grep '%s'")
    (setq counsel-git-log-split-string-re "TUMASHU")

    (use-package git-commit
      :bind (("C-c i" . counsel-git-log)))

    :bind
    (("C-c C-r" . ivy-resume)
     ("M-x" . counsel-M-x)
     ("C-x b" . ivy-switch-buffer)
     ("C-x f" . counsel-recentf)
     ("C-x C-b" . ivy-switch-buffer)
     ("C-x C-f" . counsel-find-file)
     ("C-h f" . counsel-describe-function)
     ("C-h v" . counsel-describe-variable)
     ("C-c y" . counsel-yank-pop)))

  (ivy-mode 1)
  (setq ivy-count-format ""
        ivy-use-virtual-buffers t
        ivy-format-function #'ivy-format-function-arrow
        ivy-display-style 'fancy)
  (push '(counsel-M-x . "") ivy-initial-inputs-alist)
  (push '(counsel-describe-function . "") ivy-initial-inputs-alist)
  (push '(counsel-describe-variable . "") ivy-initial-inputs-alist)
  ;; I use "C-x C-f" to open file, so bind "C-f" to
  ;; `ivy-immediate-done' is very useful.
  (define-key ivy-minibuffer-map (kbd "C-f") #'ivy-immediate-done))

(use-package company
  :config
  (setq company-idle-delay 0.2)
  (setq company-minimum-prefix-length 2)
  (setq company-selection-wrap-around t)
  (setq company-show-numbers t)
  (setq company-tooltip-limit 10)
  (setq company-echo-delay 0)
  (setq company-global-modes
        '(not message-mode git-commit-mode eshell-mode))

  ;; company-dabbrev
  (setq company-dabbrev-char-regexp "[[:word:]_:@.-]+")
  (setq company-dabbrev-downcase nil)
  (setq company-dabbrev-ignore-case nil)
  (setq company-require-match nil)
  (setq company-dabbrev-minimum-length 2)

  (setq company-backends
        '((company-capf company-dabbrev company-files)
          (company-dabbrev-code company-gtags company-etags
                                company-keywords)))
  (setq company-transformers
        '(company-sort-by-occurrence))

  (setq company-frontends
        '(company-pseudo-tooltip-frontend
          company-echo-metadata-frontend))

  (global-set-key (kbd "M-/") #'company-complete)
  (define-key company-active-map (kbd "M-i") #'company-complete-selection)
  (define-key company-active-map (kbd "C-n") #'company-select-next)
  (define-key company-active-map (kbd "C-p") #'company-select-previous)
  (define-key company-active-map (kbd "M-n") #'company-select-next)
  (define-key company-active-map (kbd "M-p") #'company-select-previous)

  (if (and (fboundp 'daemonp) (daemonp))
      (add-hook 'after-make-frame-functions
                (lambda (x)
                  (global-company-mode)))
    (global-company-mode))

  (use-package pyim
    :config
    (defun eh-company-dabbrev--prefix (orig-fun)
      "取消中文补全"
      (let ((string (pyim-char-before-to-string 0)))
        (if (pyim-string-match-p "\\cc" string)
            nil
          (funcall orig-fun))))

    (advice-add 'company-dabbrev--prefix
                :around #'eh-company-dabbrev--prefix)))