;;; notmuch-message.el --- message-mode functions specific to notmuch  -*- lexical-binding: t -*-
;;
;; Copyright © Jesse Rosenthal
;;
;; This file is part of Notmuch.
;;
;; Notmuch 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
;; (at your option) any later version.
;;
;; Notmuch 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 Notmuch.  If not, see <https://www.gnu.org/licenses/>.
;;
;; Authors: Jesse Rosenthal <jrosenthal@jhu.edu>

;;; Code:

(require 'message)
(require 'notmuch-tag)

(defcustom notmuch-message-replied-tags '("+replied")
  "List of tag changes to apply to a message when it has been replied to.

Tags starting with \"+\" (or not starting with either \"+\" or
\"-\") in the list will be added, and tags starting with \"-\"
will be removed from the message being replied to.

For example, if you wanted to add a \"replied\" tag and remove
the \"inbox\" and \"todo\" tags, you would set:
    (\"+replied\" \"-inbox\" \"-todo\")"
  :type '(repeat string)
  :group 'notmuch-send)

(defcustom notmuch-message-forwarded-tags '("+forwarded")
  "List of tag changes to apply to a message when it has been forwarded.

Tags starting with \"+\" (or not starting with either \"+\" or
\"-\") in the list will be added, and tags starting with \"-\"
will be removed from the message being forwarded.

For example, if you wanted to add a \"forwarded\" tag and remove
the \"inbox\" tag, you would set:
    (\"+forwarded\" \"-inbox\")"
  :type '(repeat string)
  :group 'notmuch-send)

(defconst notmuch-message-queued-tag-changes nil
  "List of messages and corresponding tag-changes to be applied when sending a message.

This variable is overridden by buffer-local versions in message
buffers where tag changes should be triggered when sending off
the message.  Each item in this list is a list of strings, where
the first is a notmuch query and the rest are the tag changes to
be applied to the matching messages.")

(defun notmuch-message-apply-queued-tag-changes ()
  ;; Apply the tag changes queued in the buffer-local variable
  ;; notmuch-message-queued-tag-changes.
  (dolist (query-and-tags notmuch-message-queued-tag-changes)
    (notmuch-tag (car query-and-tags)
		 (cdr query-and-tags))))

(add-hook 'message-send-hook 'notmuch-message-apply-queued-tag-changes)

(provide 'notmuch-message)

;;; notmuch-message.el ends here