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+;;; org-clubhouse.el --- Simple, unopinionated integration between org-mode and
+;;; Clubhouse
+
+;;; Copyright (C) 2018 Off Market Data, Inc. DBA Urbint
+;;; Permission is hereby granted, free of charge, to any person obtaining a copy
+;;; of this software and associated documentation files (the "Software"), to
+;;; deal in the Software without restriction, including without limitation the
+;;; rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+;;; sell copies of the Software, and to permit persons to whom the Software is
+;;; furnished to do so, subject to the following conditions:
+
+;;; The above copyright notice and this permission notice shall be included in
+;;; all copies or substantial portions of the Software.
+
+;;; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+;;; IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+;;; FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+;;; AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+;;; LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+;;; FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+;;; IN THE SOFTWARE.
+
+;;; Commentary:
+;;; org-clubhouse provides simple, unopinionated integration between Emacs's
+;;; org-mode and the Clubhouse issue tracker
+;;;
+;;; To configure org-clubhouse, create an authorization token in Cluhbouse's
+;;; settings, then place the following configuration somewhere private:
+;;;
+;;;   (setq org-clubhouse-auth-token "<auth_token>"
+;;;         org-clubhouse-team-name  "<team-name>")
+;;;
+
+;;; Code:
+
+(require 'cl-macs)
+(require 'dash)
+(require 'dash-functional)
+(require 's)
+(require 'org)
+(require 'org-element)
+(require 'subr-x)
+(require 'ivy)
+(require 'json)
+
+;;;
+;;; Configuration
+;;;
+
+(defvar org-clubhouse-auth-token nil
+  "Authorization token for the Clubhouse API.")
+
+(defvar org-clubhouse-username nil
+  "Username for the current Clubhouse user.
+
+Unfortunately, the Clubhouse API doesn't seem to provide this via the API given
+an API token, so we need to configure this for
+`org-clubhouse-claim-story-on-status-updates' to work")
+
+(defvar org-clubhouse-team-name nil
+  "Team name to use in links to Clubhouse.
+ie https://app.clubhouse.io/<TEAM_NAME>/stories")
+
+(defvar org-clubhouse-project-ids nil
+  "Specific list of project IDs to synchronize with clubhouse.
+If unset all projects will be synchronized")
+
+(defvar org-clubhouse-workflow-name "Default")
+
+(defvar org-clubhouse-default-story-type nil
+  "Sets the default story type. If set to 'nil', it will interactively prompt
+the user each and every time a new story is created. If set to 'feature',
+'bug', or 'chore', that value will be used as the default and the user will
+not be prompted")
+
+(defvar org-clubhouse-state-alist
+  '(("LATER"  . "Unscheduled")
+    ("[ ]"    . "Ready for Development")
+    ("TODO"   . "Ready for Development")
+    ("OPEN"   . "Ready for Development")
+    ("ACTIVE" . "In Development")
+    ("PR"     . "Review")
+    ("DONE"   . "Merged")
+    ("[X]"    . "Merged")
+    ("CLOSED" . "Merged"))
+  "Alist mapping org-mode todo keywords to their corresponding states in
+  Clubhouse. In `org-clubhouse-mode', moving headlines to these todo keywords
+  will update to the corresponding status in Clubhouse")
+
+(defvar org-clubhouse-story-types
+  '(("feature" . "Feature")
+    ("bug"     . "Bug")
+    ("chore"   . "Chore")))
+
+(defvar org-clubhouse-default-story-types
+  '(("feature" . "Feature")
+    ("bug"     . "Bug")
+    ("chore"   . "Chore")
+    ("prompt"  . "**Prompt each time (do not set a default story type)**")))
+
+(defvar org-clubhouse-default-state "Proposed"
+  "Default state to create all new stories in.")
+
+(defvar org-clubhouse-claim-story-on-status-update 't
+  "Controls the assignee behavior of stories on status update.
+
+If set to 't, will mark the current user as the owner of any clubhouse
+stories on any update to the status.
+
+If set to nil, will never automatically update the assignee of clubhouse
+stories.
+
+If set to a list of todo-state's, will mark the current user as the owner of
+clubhouse stories whenever updating the status to one of those todo states.")
+
+(defvar org-clubhouse-create-stories-with-labels nil
+  "Controls the way org-clubhouse creates stories with labels based on org tags.
+
+If set to 't, will create labels for all org tags on headlines when stories are
+created.
+
+If set to 'existing, will set labels on created stories only if the label
+already exists in clubhouse
+
+If set to nil, will never create stories with labels")
+
+;;;
+;;; Utilities
+;;;
+
+(defmacro comment (&rest _)
+  "Comment out one or more s-expressions."
+  nil)
+
+(defun ->list (vec) (append vec nil))
+
+(defun reject-archived (item-list)
+  (-reject (lambda (item) (equal :json-true (alist-get 'archived item))) item-list))
+
+(defun alist->plist (key-map alist)
+  (->> key-map
+       (-map (lambda (key-pair)
+               (let ((alist-key (car key-pair))
+                     (plist-key (cdr key-pair)))
+                 (list plist-key (alist-get alist-key alist)))))
+       (-flatten-n 1)))
+
+(defun alist-get-equal (key alist)
+  "Like `alist-get', but uses `equal' instead of `eq' for comparing keys"
+  (->> alist
+       (-find (lambda (pair) (equal key (car pair))))
+       (cdr)))
+
+(defun invert-alist (alist)
+  "Invert the keys and values of ALIST."
+  (-map (lambda (cell) (cons (cdr cell) (car cell))) alist))
+
+(comment
+
+ (alist->plist
+  '((foo . :foo)
+    (bar . :something))
+
+  '((foo . "foo") (bar . "bar") (ignored . "ignoreme!")))
+ ;; => (:foo "foo" :something "bar")
+
+ )
+
+(defun find-match-in-alist (target alist)
+  (->> alist
+       (-find (lambda (key-value)
+                   (string-equal (cdr key-value) target)))
+       car))
+
+(defun org-clubhouse-collect-headlines (beg end)
+  "Collects the headline at point or the headlines in a region. Returns a list."
+  (if (and beg end)
+      (org-clubhouse-get-headlines-in-region beg end)
+    (list (org-element-find-headline))))
+
+
+(defun org-clubhouse-get-headlines-in-region (beg end)
+  "Collects the headlines from BEG to END"
+  (save-excursion
+    ;; This beg/end clean up pulled from `reverse-region`.
+    ;; it expands the region to include the full lines from the selected region.
+
+    ;; put beg at the start of a line and end and the end of one --
+    ;; the largest possible region which fits this criteria
+    (goto-char beg)
+    (or (bolp) (forward-line 1))
+    (setq beg (point))
+    (goto-char end)
+    ;; the test for bolp is for those times when end is on an empty line;
+    ;; it is probably not the case that the line should be included in the
+    ;; reversal; it isn't difficult to add it afterward.
+    (or (and (eolp) (not (bolp))) (progn (forward-line -1) (end-of-line)))
+    (setq end (point-marker))
+
+    ;; move to the beginning
+    (goto-char beg)
+    ;; walk by line until past end
+    (let ((headlines '())
+          (before-end 't))
+      (while before-end
+        (add-to-list 'headlines (org-element-find-headline))
+        (let ((before (point)))
+          (org-forward-heading-same-level 1)
+          (setq before-end (and (not (eq before (point))) (< (point) end)))))
+      (reverse headlines))))
+
+;;;
+;;; Org-element interaction
+;;;
+
+;; (defun org-element-find-headline ()
+;;   (let ((current-elt (org-element-at-point)))
+;;     (if (equal 'headline (car current-elt))
+;;         current-elt
+;;       (let* ((elt-attrs (cadr current-elt))
+;;              (parent (plist-get elt-attrs :post-affiliated)))
+;;         (goto-char parent)
+;;         (org-element-find-headline)))))
+
+(defun org-element-find-headline ()
+  (save-mark-and-excursion
+    (when (not (outline-on-heading-p)) (org-back-to-heading))
+    (let ((current-elt (org-element-at-point)))
+      (when (equal 'headline (car current-elt))
+        (cadr current-elt)))))
+
+(defun org-element-extract-clubhouse-id (elt &optional property)
+  (when-let* ((clubhouse-id-link (plist-get elt (or property :CLUBHOUSE-ID))))
+    (cond
+     ((string-match
+       (rx "[[" (one-or-more anything) "]"
+           "[" (group (one-or-more digit)) "]]")
+       clubhouse-id-link)
+      (string-to-number (match-string 1 clubhouse-id-link)))
+     ((string-match-p
+       (rx buffer-start
+           (one-or-more digit)
+           buffer-end)
+       clubhouse-id-link)
+      (string-to-number clubhouse-id-link)))))
+
+(comment
+ (let ((strn "[[https://app.clubhouse.io/example/story/2330][2330]]"))
+   (string-match
+    (rx "[[" (one-or-more anything) "]"
+        "[" (group (one-or-more digit)) "]]")
+    strn)
+   (string-to-number (match-string 1 strn)))
+ )
+
+(defun org-element-clubhouse-id ()
+  (org-element-extract-clubhouse-id
+   (org-element-find-headline)))
+
+(defun org-clubhouse-clocked-in-story-id ()
+  "Return the clubhouse story-id of the currently clocked-in org entry, if any."
+  (save-mark-and-excursion
+    (save-current-buffer
+      (when (org-clocking-p)
+        (set-buffer (marker-buffer org-clock-marker))
+        (save-restriction
+          (when (or (< org-clock-marker (point-min))
+                    (> org-clock-marker (point-max)))
+            (widen))
+          (goto-char org-clock-marker)
+          (org-element-clubhouse-id))))))
+
+(comment
+ (org-clubhouse-clocked-in-story-id)
+ )
+
+(defun org-element-and-children-at-point ()
+  (let* ((elt (org-element-find-headline))
+         (contents-begin (or (plist-get elt :contents-begin)
+                             (plist-get elt :begin)))
+         (end   (plist-get elt :end))
+         (level (plist-get elt :level))
+         (children '()))
+    (save-excursion
+      (goto-char (+ contents-begin (length (plist-get elt :title))))
+      (while (< (point) end)
+        (let* ((next-elt (org-element-at-point))
+               (elt-type (car next-elt))
+               (elt      (cadr next-elt)))
+          (when (and (eql 'headline elt-type)
+                     (eql (+ 1 level) (plist-get elt :level)))
+            (push elt children))
+          (goto-char (plist-get elt :end)))))
+    (append elt `(:children ,(reverse children)))))
+
+(defun +org-element-contents (elt)
+  (if-let ((begin (plist-get (cadr elt) :contents-begin))
+           (end (plist-get (cadr elt) :contents-end)))
+      (buffer-substring-no-properties begin end)
+    ""))
+
+(defun org-clubhouse-find-description-drawer ()
+  "Try to find a DESCRIPTION drawer in the current element."
+  (let ((elt (org-element-at-point)))
+    (cl-case (car elt)
+      ('drawer (+org-element-contents elt))
+      ('headline
+       (when-let ((drawer-pos (string-match
+                               ":DESCRIPTION:"
+                               (+org-element-contents elt))))
+         (save-excursion
+           (goto-char (+ (plist-get (cadr elt) :contents-begin)
+                         drawer-pos))
+           (org-clubhouse-find-description-drawer)))))))
+
+(defun org-clubhouse--labels-for-elt (elt)
+  "Return the Clubhouse labels based on the tags of ELT and the user's config."
+  (unless (eq nil org-clubhouse-create-stories-with-labels)
+    (let ((tags (org-get-tags (plist-get elt :contents-begin))))
+      (-map (lambda (l) `((name . ,l)))
+            (cl-case org-clubhouse-create-stories-with-labels
+              ('t tags)
+              ('existing (-filter (lambda (tag) (-some (lambda (l)
+                                                    (string-equal tag (cdr l)))
+                                                  (org-clubhouse-labels)))
+                                  tags)))))))
+
+;;;
+;;; API integration
+;;;
+
+(defvar org-clubhouse-base-url* "https://api.clubhouse.io/api/v3")
+
+(defun org-clubhouse-auth-url (url &optional params)
+ (concat url
+         "?"
+         (url-build-query-string
+          (cons `("token" ,org-clubhouse-auth-token) params))))
+
+(defun org-clubhouse-baseify-url (url)
+ (if (s-starts-with? org-clubhouse-base-url* url) url
+   (concat org-clubhouse-base-url*
+           (if (s-starts-with? "/" url) url
+             (concat "/" url)))))
+
+(cl-defun org-clubhouse-request (method url &key data (params '()))
+ (message "%s %s %s" method url (prin1-to-string data))
+ (let* ((url-request-method method)
+        (url-request-extra-headers
+         '(("Content-Type" . "application/json")))
+        (url-request-data data)
+        (buf))
+
+   (setq url (-> url
+                 org-clubhouse-baseify-url
+                 (org-clubhouse-auth-url params)))
+
+   (setq buf (url-retrieve-synchronously url))
+
+   (with-current-buffer buf
+     (goto-char url-http-end-of-headers)
+     (prog1 (json-read) (kill-buffer)))))
+
+(cl-defun to-id-name-pairs
+    (seq &optional (id-attr 'id) (name-attr 'name))
+  (->> seq
+       ->list
+       (-map (lambda (resource)
+          (cons (alist-get id-attr   resource)
+                (alist-get name-attr resource))))))
+
+(cl-defun org-clubhouse-fetch-as-id-name-pairs
+    (resource &optional
+              (id-attr 'id)
+              (name-attr 'name))
+  "Returns the given resource from clubhouse as (id . name) pairs"
+  (let ((resp-json (org-clubhouse-request "GET" resource)))
+    (-> resp-json
+        ->list
+        reject-archived
+        (to-id-name-pairs id-attr name-attr))))
+
+(defun org-clubhouse-get-story
+    (clubhouse-id)
+  (org-clubhouse-request "GET" (format "/stories/%s" clubhouse-id)))
+
+(defun org-clubhouse-link-to-story (story-id)
+  (format "https://app.clubhouse.io/%s/story/%d"
+          org-clubhouse-team-name
+          story-id))
+
+(defun org-clubhouse-link-to-epic (epic-id)
+  (format "https://app.clubhouse.io/%s/epic/%d"
+          org-clubhouse-team-name
+          epic-id))
+
+(defun org-clubhouse-link-to-milestone (milestone-id)
+  (format "https://app.clubhouse.io/%s/milestone/%d"
+          org-clubhouse-team-name
+          milestone-id))
+
+(defun org-clubhouse-link-to-project (project-id)
+  (format "https://app.clubhouse.io/%s/project/%d"
+          org-clubhouse-team-name
+          project-id))
+
+;;;
+;;; Caching
+;;;
+
+(comment
+ (defcache org-clubhouse-projects
+   (org-sync-clubhouse-fetch-as-id-name-pairs "projectx"))
+
+ (clear-org-clubhouse-projects-cache)
+ (clear-org-clubhouse-cache)
+ )
+
+(defvar org-clubhouse-cache-clear-functions ())
+
+(defmacro defcache (name &optional docstring &rest body)
+  (let* ((doc (when docstring (list docstring)))
+         (cache-var-name (intern (concat (symbol-name name)
+                                         "-cache")))
+         (clear-cache-function-name
+          (intern (concat "clear-" (symbol-name cache-var-name)))))
+    `(progn
+       (defvar ,cache-var-name :no-cache)
+       (defun ,name ()
+         ,@doc
+         (when (equal :no-cache ,cache-var-name)
+           (setq ,cache-var-name (progn ,@body)))
+         ,cache-var-name)
+       (defun ,clear-cache-function-name ()
+         (interactive)
+         (setq ,cache-var-name :no-cache))
+
+       (push (quote ,clear-cache-function-name)
+             org-clubhouse-cache-clear-functions))))
+
+(defun org-clubhouse-clear-cache ()
+  (interactive)
+  (-map #'funcall org-clubhouse-cache-clear-functions))
+
+;;;
+;;; API resource functions
+;;;
+
+(defcache org-clubhouse-projects
+  "Returns projects as (project-id . name)"
+  (org-clubhouse-fetch-as-id-name-pairs "projects"))
+
+(defcache org-clubhouse-epics
+  "Returns epics as (epic-id . name)"
+  (org-clubhouse-fetch-as-id-name-pairs "epics"))
+
+(defcache org-clubhouse-milestones
+  "Returns milestone-id . name)"
+  (org-clubhouse-fetch-as-id-name-pairs "milestones"))
+
+(defcache org-clubhouse-workflow-states
+  "Returns worflow states as (name . id) pairs"
+  (let* ((resp-json (org-clubhouse-request "GET" "workflows"))
+         (workflows (->list resp-json))
+         ;; just assume it exists, for now
+         (workflow  (-find (lambda (workflow)
+                             (equal org-clubhouse-workflow-name
+                                    (alist-get 'name workflow)))
+                           workflows))
+         (states    (->list (alist-get 'states workflow))))
+    (to-id-name-pairs states
+                      'name
+                      'id)))
+
+(defcache org-clubhouse-labels
+  "Returns labels as (label-id . name)"
+  (org-clubhouse-fetch-as-id-name-pairs "labels"))
+
+(defcache org-clubhouse-whoami
+  "Returns the ID of the logged in user"
+  (->> (org-clubhouse-request
+        "GET"
+        "/members")
+       ->list
+       (find-if (lambda (m)
+                  (->> m
+                       (alist-get 'profile)
+                       (alist-get 'mention_name)
+                       (equal org-clubhouse-username))))
+       (alist-get 'id)))
+
+(defcache org-clubhouse-iterations
+  "Returns iterations as (iteration-id . name)"
+  (org-clubhouse-fetch-as-id-name-pairs "iterations"))
+
+(defun org-clubhouse-stories-in-project (project-id)
+  "Return the stories in the given PROJECT-ID as org headlines."
+  (let ((resp-json (org-clubhouse-request "GET" (format "/projects/%d/stories" project-id))))
+    (->> resp-json ->list reject-archived
+         (-reject (lambda (story) (equal :json-true (alist-get 'completed story))))
+         (-map (lambda (story)
+                 (cons
+                  (cons 'status
+                        (cond
+                         ((equal :json-true (alist-get 'started story))
+                          'started)
+                         ((equal :json-true (alist-get 'completed story))
+                          'completed)
+                         ('t
+                          'open)))
+                  story)))
+         (-map (-partial #'alist->plist
+                         '((name . :title)
+                           (id . :id)
+                           (status . :status)))))))
+
+(defun org-clubhouse-workflow-state-id-to-todo-keyword (workflow-state-id)
+  "Convert the named clubhouse WORKFLOW-STATE-ID to an org todo keyword."
+  (let* ((state-name (alist-get-equal
+                      workflow-state-id
+                      (invert-alist (org-clubhouse-workflow-states))))
+         (inv-state-name-alist
+          (-map (lambda (cell) (cons (cdr cell) (car cell)))
+                org-clubhouse-state-alist)))
+    (or (alist-get-equal state-name inv-state-name-alist)
+        (if state-name (s-upcase state-name) "UNKNOWN"))))
+
+;;;
+;;; Prompting
+;;;
+
+(defun org-clubhouse-prompt-for-project (cb)
+  (ivy-read
+   "Select a project: "
+   (-map #'cdr (org-clubhouse-projects))
+   :require-match t
+   :history 'org-clubhouse-project-history
+   :action (lambda (selected)
+             (let ((project-id
+                    (find-match-in-alist selected (org-clubhouse-projects))))
+               (funcall cb project-id)))))
+
+(defun org-clubhouse-prompt-for-epic (cb)
+  "Prompt the user for an epic using ivy and call CB with its ID."
+  (ivy-read
+   "Select an epic: "
+   (-map #'cdr (append '((nil . "No Epic")) (org-clubhouse-epics)))
+   :history 'org-clubhouse-epic-history
+   :action (lambda (selected)
+             (let ((epic-id
+                    (find-match-in-alist selected (org-clubhouse-epics))))
+               (funcall cb epic-id)))))
+
+(defun org-clubhouse-prompt-for-milestone (cb)
+  "Prompt the user for a milestone using ivy and call CB with its ID."
+  (ivy-read
+   "Select a milestone: "
+   (-map #'cdr (append '((nil . "No Milestone")) (org-clubhouse-milestones)))
+   :require-match t
+   :history 'org-clubhouse-milestone-history
+   :action (lambda (selected)
+             (let ((milestone-id
+                    (find-match-in-alist selected (org-clubhouse-milestones))))
+               (funcall cb milestone-id)))))
+
+(defun org-clubhouse-prompt-for-story-type (cb)
+  (ivy-read
+   "Select a story type: "
+   (-map #'cdr org-clubhouse-story-types)
+   :history 'org-clubhouse-story-history
+   :action (lambda (selected)
+             (let ((story-type
+                    (find-match-in-alist selected org-clubhouse-story-types)))
+               (funcall cb story-type)))))
+
+(defun org-clubhouse-prompt-for-default-story-type ()
+  (interactive)
+  (ivy-read
+   "Select a default story type: "
+   (-map #'cdr org-clubhouse-default-story-types)
+   :history 'org-clubhouse-default-story-history
+   :action (lambda (selected)
+             (let ((story-type
+                    (find-match-in-alist selected org-clubhouse-default-story-types)))
+                  (if (string-equal story-type "prompt")
+                      (setq org-clubhouse-default-story-type nil)
+                      (setq org-clubhouse-default-story-type story-type))))))
+
+;;;
+;;; Epic creation
+;;;
+
+(cl-defun org-clubhouse-create-epic-internal
+    (title &key milestone-id)
+  (cl-assert (and (stringp title)
+                  (or (null milestone-id)
+                      (integerp milestone-id))))
+  (org-clubhouse-request
+   "POST"
+   "epics"
+   :data
+   (json-encode
+    `((name . ,title)
+      (milestone_id . ,milestone-id)))))
+
+(defun org-clubhouse-populate-created-epic (elt epic)
+  (let ((elt-start  (plist-get elt :begin))
+        (epic-id    (alist-get 'id epic))
+        (milestone-id (alist-get 'milestone_id epic)))
+    (save-excursion
+      (goto-char elt-start)
+
+      (org-set-property "clubhouse-epic-id"
+                        (org-link-make-string
+                         (org-clubhouse-link-to-epic epic-id)
+                         (number-to-string epic-id)))
+
+      (when milestone-id
+        (org-set-property "clubhouse-milestone"
+                          (org-link-make-string
+                           (org-clubhouse-link-to-milestone milestone-id)
+                           (alist-get milestone-id (org-clubhouse-milestones))))))))
+
+(defun org-clubhouse-create-epic (&optional beg end)
+  "Creates a clubhouse epic using selected headlines.
+Will pull the title from the headline at point, or create epics for all the
+headlines in the selected region.
+
+All epics are added to the same milestone, as selected via a prompt.
+If the epics already have a CLUBHOUSE-EPIC-ID, they are filtered and ignored."
+  (interactive
+   (when (use-region-p)
+     (list (region-beginning region-end))))
+
+  (let* ((elts (org-clubhouse-collect-headlines beg end))
+         (elts (-remove (lambda (elt) (plist-get elt :CLUBHOUSE-EPIC-ID)) elts)))
+    (org-clubhouse-prompt-for-milestone
+     (lambda (milestone-id)
+       (dolist (elt elts)
+         (let* ((title (plist-get elt :title))
+                (epic  (org-clubhouse-create-epic-internal
+                        title
+                        :milestone-id milestone-id)))
+           (org-clubhouse-populate-created-epic elt epic))
+         elts)))))
+
+;;;
+;;; Story creation
+;;;
+
+(defun org-clubhouse-default-state-id ()
+  (alist-get-equal org-clubhouse-default-state (org-clubhouse-workflow-states)))
+
+(cl-defun org-clubhouse-create-story-internal
+    (title &key project-id epic-id story-type description labels)
+  (cl-assert (and (stringp title)
+               (integerp project-id)
+               (or (null epic-id) (integerp epic-id))
+               (or (null description) (stringp description))))
+  (let ((workflow-state-id (org-clubhouse-default-state-id))
+        (params `((name . ,title)
+                  (project_id . ,project-id)
+                  (epic_id . ,epic-id)
+                  (story_type . ,story-type)
+                  (description . ,(or description ""))
+                  (labels . ,labels))))
+
+    (when workflow-state-id
+      (push `(workflow_state_id . ,workflow-state-id) params))
+
+    (org-clubhouse-request
+     "POST"
+     "stories"
+     :data
+     (json-encode params))))
+
+(cl-defun org-clubhouse-populate-created-story (elt story &key extra-properties)
+  (let ((elt-start  (plist-get elt :begin))
+        (story-id   (alist-get 'id story))
+        (epic-id    (alist-get 'epic_id story))
+        (project-id (alist-get 'project_id story))
+        (story-type (alist-get 'story_type story)))
+
+    (save-excursion
+      (goto-char elt-start)
+
+      (org-set-property "clubhouse-id"
+                        (org-link-make-string
+                         (org-clubhouse-link-to-story story-id)
+                         (number-to-string story-id)))
+      (when epic-id
+        (org-set-property "clubhouse-epic"
+                          (org-link-make-string
+                           (org-clubhouse-link-to-epic epic-id)
+                           (alist-get epic-id (org-clubhouse-epics)))))
+
+      (org-set-property "clubhouse-project"
+                        (org-link-make-string
+                         (org-clubhouse-link-to-project project-id)
+                         (alist-get project-id (org-clubhouse-projects))))
+
+      (org-set-property "story-type"
+                        (alist-get-equal story-type org-clubhouse-story-types))
+
+      (dolist (extra-prop extra-properties)
+        (org-set-property (car extra-prop)
+                          (alist-get (cdr extra-prop) story)))
+
+      (org-todo "TODO"))))
+
+(defun org-clubhouse-create-story (&optional beg end &key then)
+  "Creates a clubhouse story using selected headlines.
+
+Will pull the title from the headline at point,
+or create cards for all the headlines in the selected region.
+
+All stories are added to the same project and epic, as selected via two prompts.
+If the stories already have a CLUBHOUSE-ID, they are filtered and ignored."
+  (interactive
+   (when (use-region-p)
+     (list (region-beginning) (region-end))))
+
+  (let* ((elts     (org-clubhouse-collect-headlines beg end))
+         (new-elts (-remove (lambda (elt) (plist-get elt :CLUBHOUSE-ID)) elts)))
+    (org-clubhouse-prompt-for-project
+     (lambda (project-id)
+       (when project-id
+         (org-clubhouse-prompt-for-epic
+          (lambda (epic-id)
+            (let ((create-story
+                   (lambda (story-type)
+                     (-map
+                      (lambda (elt)
+                        (let* ((title (plist-get elt :title))
+                               (description
+                                (save-mark-and-excursion
+                                  (goto-char (plist-get elt :begin))
+                                  (org-clubhouse-find-description-drawer)))
+                               (labels (org-clubhouse--labels-for-elt elt))
+                               (story (org-clubhouse-create-story-internal
+                                       title
+                                       :project-id project-id
+                                       :epic-id epic-id
+                                       :story-type story-type
+                                       :description description
+                                       :labels labels)))
+                          (org-clubhouse-populate-created-story elt story)
+                          (when (functionp then)
+                            (funcall then story))))
+                      new-elts))))
+              (if org-clubhouse-default-story-type
+                  (funcall create-story org-clubhouse-default-story-type)
+                (org-clubhouse-prompt-for-story-type create-story))))))))))
+
+(defun org-clubhouse-create-story-with-task-list (&optional beg end)
+  "Creates a clubhouse story using the selected headline, making all direct
+children of that headline into tasks in the task list of the story."
+  (interactive
+   (when (use-region-p)
+     (list (region-beginning) (region-end))))
+
+  (let* ((elt (org-element-and-children-at-point)))
+    (org-clubhouse-create-story nil nil
+     :then (lambda (story)
+             (pp story)
+             (org-clubhouse-push-task-list
+              (alist-get 'id story)
+              (plist-get elt :children))))))
+
+;;;
+;;; Task creation
+;;;
+
+(cl-defun org-clubhouse-create-task (title &key story-id)
+  (cl-assert (and (stringp title)
+               (integerp story-id)))
+  (org-clubhouse-request
+   "POST"
+   (format "/stories/%d/tasks" story-id)
+   :data (json-encode `((description . ,title)))))
+
+(defun org-clubhouse-push-task-list (&optional parent-clubhouse-id child-elts)
+  "Writes each child of the element at point as a task list item.
+
+When called as (org-clubhouse-push-task-list PARENT-CLUBHOUSE-ID CHILD-ELTS),
+allows manually passing a clubhouse ID and list of org-element plists to write"
+  (interactive)
+  (let* ((elt (org-element-and-children-at-point))
+         (parent-clubhouse-id (or parent-clubhouse-id
+                                  (org-element-extract-clubhouse-id elt)))
+         (child-elts (or child-elts (plist-get elt :children)))
+         (story (org-clubhouse-get-story parent-clubhouse-id))
+         (existing-tasks (alist-get 'tasks story))
+         (task-exists
+          (lambda (task-name)
+            (cl-some (lambda (task)
+                    (string-equal task-name (alist-get 'description task)))
+                  existing-tasks)))
+         (elts-with-starts
+          (-map (lambda (e) (cons (set-marker (make-marker)
+                                         (plist-get e :begin))
+                             e))
+                child-elts)))
+    (dolist (child-elt-and-start elts-with-starts)
+      (let* ((start (car child-elt-and-start))
+             (child-elt (cdr child-elt-and-start))
+             (task-name (plist-get child-elt :title)))
+        (unless (funcall task-exists task-name)
+          (let ((task (org-clubhouse-create-task
+                       task-name
+                       :story-id parent-clubhouse-id)))
+            (org-clubhouse-populate-created-task child-elt task start)))))))
+
+(defun org-clubhouse-populate-created-task (elt task &optional begin)
+  (let ((elt-start (or begin (plist-get elt :begin)))
+        (task-id   (alist-get 'id task))
+        (story-id  (alist-get 'story_id task)))
+
+    (save-excursion
+      (goto-char elt-start)
+
+      (org-set-property "clubhouse-task-id" (format "%d" task-id))
+
+      (org-set-property "clubhouse-story-id"
+                        (org-link-make-string
+                         (org-clubhouse-link-to-story story-id)
+                         (number-to-string story-id)))
+
+      (org-todo "TODO"))))
+
+;;;
+;;; Task Updates
+;;;
+
+(cl-defun org-clubhouse-update-task-internal
+    (story-id task-id &rest attrs)
+  (cl-assert (and (integerp story-id)
+                  (integerp task-id)
+                  (listp attrs)))
+  (org-clubhouse-request
+   "PUT"
+   (format "stories/%d/tasks/%d" story-id task-id)
+   :data
+   (json-encode attrs)))
+
+;;;
+;;; Story updates
+;;;
+
+(cl-defun org-clubhouse-update-story-internal
+    (story-id &rest attrs)
+  (cl-assert (and (integerp story-id)
+               (listp attrs)))
+  (org-clubhouse-request
+   "PUT"
+   (format "stories/%d" story-id)
+   :data
+   (json-encode attrs)))
+
+(cl-defun org-clubhouse-update-story-at-point (&rest attrs)
+  (when-let* ((clubhouse-id (org-element-clubhouse-id)))
+    (apply
+     #'org-clubhouse-update-story-internal
+     (cons clubhouse-id attrs))
+    t))
+
+(defun org-clubhouse-update-story-title ()
+  "Update the title of the Clubhouse story linked to the current headline.
+
+Update the title of the story linked to the current headline with the text of
+the headline."
+  (interactive)
+
+  (let* ((elt (org-element-find-headline))
+         (title (plist-get elt :title))
+         (clubhouse-id (org-element-clubhouse-id)))
+    (and
+     (org-clubhouse-update-story-at-point
+      clubhouse-id
+      :name title)
+     (message "Successfully updated story title to \"%s\""
+              title))))
+
+(defun org-clubhouse-update-status ()
+  "Update the status of the Clubhouse story linked to the current element.
+
+Update the status of the Clubhouse story linked to the current element with the
+entry in `org-clubhouse-state-alist' corresponding to the todo-keyword of the
+element."
+  (interactive)
+  (let* ((elt (org-element-find-headline))
+         (todo-keyword (-> elt
+                           (plist-get :todo-keyword)
+                           (substring-no-properties)))
+
+         (clubhouse-id (org-element-extract-clubhouse-id elt))
+         (task-id (plist-get elt :CLUBHOUSE-TASK-ID)))
+    (cond
+     (clubhouse-id
+      (let* ((todo-keyword (-> elt
+                               (plist-get :todo-keyword)
+                               (substring-no-properties))))
+        (when-let* ((clubhouse-workflow-state
+                     (alist-get-equal todo-keyword org-clubhouse-state-alist))
+                    (workflow-state-id
+                     (alist-get-equal clubhouse-workflow-state
+                                      (org-clubhouse-workflow-states))))
+          (let ((update-assignee?
+                 (if (or (eq 't org-clubhouse-claim-story-on-status-update)
+                         (member todo-keyword
+                                 org-clubhouse-claim-story-on-status-update))
+                     (if org-clubhouse-username
+                         't
+                       (warn "Not claiming story since `org-clubhouse-username'
+                       is not set")
+                       nil))))
+
+            (if update-assignee?
+                (org-clubhouse-update-story-internal
+                 clubhouse-id
+                 :workflow_state_id workflow-state-id
+                 :owner_ids (if update-assignee?
+                                (list (org-clubhouse-whoami))
+                              (list)))
+              (org-clubhouse-update-story-internal
+                 clubhouse-id
+                 :workflow_state_id workflow-state-id))
+            (message
+             (if update-assignee?
+                 "Successfully claimed story and updated clubhouse status to \"%s\""
+               "Successfully updated clubhouse status to \"%s\"")
+             clubhouse-workflow-state)))))
+
+     (task-id
+      (let ((story-id (org-element-extract-clubhouse-id
+                       elt
+                       :CLUBHOUSE-STORY-ID))
+            (done? (member todo-keyword org-done-keywords)))
+        (org-clubhouse-update-task-internal
+         story-id
+         (string-to-number task-id)
+         :complete (if done? 't :json-false))
+        (message "Successfully marked clubhouse task status as %s"
+                 (if done? "complete" "incomplete")))))))
+
+(defun org-clubhouse-update-description ()
+  "Update the description of the Clubhouse story linked to the current element.
+
+Update the status of the Clubhouse story linked to the current element with the
+contents of a drawer inside the element called DESCRIPTION, if any."
+  (interactive)
+  (when-let* ((new-description (org-clubhouse-find-description-drawer)))
+    (and
+     (org-clubhouse-update-story-at-point
+      :description new-description)
+     (message "Successfully updated story description"))))
+
+(defun org-clubhouse-update-labels ()
+  "Update the labels of the Clubhouse story linked to the current element.
+
+Will use the value of `org-clubhouse-create-stories-with-labels' to determine
+which labels to set."
+  (interactive)
+  (when-let* ((elt (org-element-find-headline))
+              (new-labels (org-clubhouse--labels-for-elt elt)))
+    (and
+     (org-clubhouse-update-story-at-point
+      :labels new-labels)
+     (message "Successfully updated story labels to :%s:"
+              (->> new-labels
+                   (-map #'cdar)
+                   (s-join ":"))))))
+
+
+;;;
+;;; Creating headlines from existing stories
+;;;
+
+(defun org-clubhouse--task-to-headline-text (level task)
+  (format "%s %s %s
+:PROPERTIES:
+:clubhouse-task-id: %s
+:clubhouse-story-id: %s
+:END:"
+          (make-string level ?*)
+          (if (equal :json-false (alist-get 'complete task))
+              "TODO" "DONE")
+          (alist-get 'description task)
+          (alist-get 'id task)
+          (let ((story-id (alist-get 'story_id task)))
+            (org-link-make-string
+             (org-clubhouse-link-to-story story-id)
+             story-id))))
+
+(defun org-clubhouse--story-to-headline-text (level story)
+  (let ((story-id (alist-get 'id story)))
+    (format
+     "%s %s %s %s
+:PROPERTIES:
+:clubhouse-id: %s
+:END:
+%s
+%s
+"
+     (make-string level ?*)
+     (org-clubhouse-workflow-state-id-to-todo-keyword
+      (alist-get 'workflow_state_id story))
+     (alist-get 'name story)
+     (if-let ((labels (->> story
+                             (alist-get 'labels)
+                             ->list
+                             (-map (apply-partially #'alist-get 'name)))))
+         (format ":%s:" (s-join ":" labels))
+       "")
+     (org-link-make-string
+      (org-clubhouse-link-to-story story-id)
+      (number-to-string story-id))
+     (let ((desc (alist-get 'description story)))
+       (if (= 0 (length desc)) ""
+         (format ":DESCRIPTION:\n%s\n:END:" desc)))
+     (if-let ((tasks (seq-sort-by
+                      (apply-partially #'alist-get 'position)
+                      #'<
+                      (or (alist-get 'tasks story)
+                          (alist-get 'tasks
+                                     (org-clubhouse-get-story story-id))))))
+         (mapconcat (apply-partially #'org-clubhouse--task-to-headline-text
+                                     (1+ level))
+                    tasks
+                    "\n")
+       ""))))
+
+(defun org-clubhouse-headline-from-my-tasks (level)
+  "Prompt my active stories and create a single `org-mode' headline at LEVEL."
+  (interactive "*nLevel: \n")
+  (if org-clubhouse-username
+      (let* ((story-list (org-clubhouse--search-stories
+                          (format "owner:%s !is:done !is:archived"
+                                  org-clubhouse-username)))
+             (stories (to-id-name-pairs story-list)))
+        (org-clubhouse-headline-from-story-id level
+                                              (find-match-in-alist
+                                               (ivy-read "Select Story: "
+                                                         (-map #'cdr stories))
+                                               stories)))
+    (warn "Can't fetch my tasks if `org-clubhouse-username' is unset")))
+
+(defun org-clubhouse-headline-from-story-id (level story-id)
+  "Create a single `org-mode' headline at LEVEL based on the given clubhouse STORY-ID."
+  (interactive "*nLevel: \nnStory ID: ")
+  (let* ((story (org-clubhouse-get-story story-id)))
+    (if (equal '((message . "Resource not found.")) story)
+        (message "Story ID not found: %d" story-id)
+      (save-mark-and-excursion
+        (insert (org-clubhouse--story-to-headline-text level story))
+        (org-align-tags)))))
+
+(defun org-clubhouse--search-stories (query)
+  (unless (string= "" query)
+    (-> (org-clubhouse-request "GET" "search/stories" :params `((query ,query)))
+        cdadr
+        (append nil)
+        reject-archived)))
+
+(defun org-clubhouse-prompt-for-iteration (cb)
+  "Prompt for iteration and call CB with that iteration"
+  (ivy-read
+   "Select an interation: "
+   (-map #'cdr (org-clubhouse-iterations))
+   :require-match t
+   :history 'org-clubhouse-iteration-history
+   :action (lambda (selected)
+             (let ((iteration-id
+                    (find-match-in-alist selected (org-clubhouse-iterations))))
+               (funcall cb iteration-id)))))
+
+(defun org-clubhouse--get-iteration (iteration-id)
+  (-> (org-clubhouse-request "GET" (format "iterations/%d/stories" iteration-id))
+      (append nil)))
+
+(defun org-clubhouse-headlines-from-iteration (level)
+  "Create `org-mode' headlines from a clubhouse iteration.
+
+Create `org-mode' headlines from all the resulting stories at headline level LEVEL."
+  (interactive "*nLevel: ")
+  (org-clubhouse-prompt-for-iteration
+   (lambda (iteration-id)
+     (let ((story-list (org-clubhouse--get-iteration iteration-id)))
+       (if (null story-list)
+           (message "Iteration id returned no stories: %d" iteration-id)
+         (let ((text (mapconcat (apply-partially
+                                 #'org-clubhouse--story-to-headline-text
+                                 level)
+                                (reject-archived story-list) "\n")))
+               (save-mark-and-excursion
+                 (insert text)
+                 (org-align-all-tags))
+             text))))))
+
+(defun org-clubhouse-headlines-from-query (level query)
+  "Create `org-mode' headlines from a clubhouse query.
+
+Submits QUERY to clubhouse, and creates `org-mode' headlines from all the
+resulting stories at headline level LEVEL."
+  (interactive
+   "*nLevel: \nMQuery: ")
+  (let* ((story-list (org-clubhouse--search-stories query)))
+    (if (null story-list)
+        (message "Query returned no stories: %s" query)
+      (let ((text (mapconcat (apply-partially
+                              #'org-clubhouse--story-to-headline-text
+                              level)
+                             (reject-archived story-list) "\n")))
+        (if (called-interactively-p)
+            (save-mark-and-excursion
+              (insert text)
+              (org-align-all-tags))
+          text)))))
+
+(defun org-clubhouse-prompt-for-story (cb)
+  "Prompt the user for a clubhouse story, then call CB with the full story."
+  (ivy-read "Story title: "
+            (lambda (search-term)
+              (let* ((stories (org-clubhouse--search-stories
+                               (if search-term (format "\"%s\"" search-term)
+                                 ""))))
+                (-map (lambda (story)
+                        (propertize (alist-get 'name story) 'story story))
+                      stories)))
+            :dynamic-collection t
+            :history 'org-clubhouse-story-prompt
+            :action (lambda (s) (funcall cb (get-text-property 0 'story s)))
+            :require-match t))
+
+(defun org-clubhouse-headline-from-story (level)
+  "Prompt for a story, and create an org headline at LEVEL from that story."
+  (interactive "*nLevel: ")
+  (org-clubhouse-prompt-for-story
+   (lambda (story)
+     (save-mark-and-excursion
+       (insert (org-clubhouse--story-to-headline-text level story))
+       (org-align-tags)))))
+
+
+(defun org-clubhouse-link ()
+  "Link the current `org-mode' headline with an existing clubhouse story."
+  (interactive)
+  (org-clubhouse-prompt-for-story
+   (lambda (story)
+     (org-clubhouse-populate-created-story
+      (org-element-find-headline)
+      story
+      :extra-properties '(("clubhouse-story-name" . name)))
+     (org-todo
+      (org-clubhouse-workflow-state-id-to-todo-keyword
+       (alist-get 'workflow_state_id story))))))
+
+(defun org-clubhouse-claim ()
+  "Assign the clubhouse story associated with the headline at point to yourself."
+  (interactive)
+  (if org-clubhouse-username
+      (and
+       (org-clubhouse-update-story-at-point
+        :owner_ids (list (org-clubhouse-whoami)))
+       (message "Successfully claimed story"))
+    (warn "Can't claim story if `org-clubhouse-username' is unset")))
+
+(defun org-clubhouse-sync-status (&optional beg end)
+  "Pull the status(es) for the story(ies) in region and update the todo state.
+
+Uses `org-clubhouse-state-alist'. Operates over stories from BEG to END"
+  (interactive
+   (when (use-region-p)
+     (list (region-beginning) (region-end))))
+  (let ((elts (-filter (lambda (e) (plist-get e :CLUBHOUSE-ID))
+                       (org-clubhouse-collect-headlines beg end))))
+    (save-mark-and-excursion
+      (dolist (e elts)
+        (goto-char (plist-get e :begin))
+        (let* ((clubhouse-id (org-element-extract-clubhouse-id e))
+               (story (org-clubhouse-get-story clubhouse-id))
+               (workflow-state-id (alist-get 'workflow_state_id story))
+               (todo-keyword (org-clubhouse-workflow-state-id-to-todo-keyword
+                              workflow-state-id)))
+          (let ((org-after-todo-state-change-hook
+                 (remove 'org-clubhouse-update-status
+                         org-after-todo-state-change-hook)))
+            (org-todo todo-keyword)))))
+    (message "Successfully synchronized status of %d stories from Clubhouse"
+             (length elts))))
+
+(cl-defun org-clubhouse-set-epic (&optional story-id epic-id cb &key beg end)
+  "Set the epic of clubhouse story STORY-ID to EPIC-ID, then call CB.
+
+When called interactively, prompt for an epic and set the story of the clubhouse
+stor{y,ies} at point or region"
+  (interactive
+   (when (use-region-p)
+     (list nil nil nil
+           :beg (region-beginning)
+           :end (region-end))))
+  (if (and story-id epic-id)
+      (progn
+        (org-clubhouse-update-story-internal
+         story-id :epic-id epic-id)
+        (when cb (funcall cb)))
+    (let ((elts (-filter (lambda (elt) (plist-get elt :CLUBHOUSE-ID))
+                         (org-clubhouse-collect-headlines beg end))))
+      (org-clubhouse-prompt-for-epic
+       (lambda (epic-id)
+         (-map
+          (lambda (elt)
+            (let ((story-id (org-element-extract-clubhouse-id elt)))
+              (org-clubhouse-set-epic
+               story-id epic-id
+               (lambda ()
+                 (org-set-property
+                  "clubhouse-epic"
+                  (org-link-make-string
+                   (org-clubhouse-link-to-epic epic-id)
+                   (alist-get epic-id (org-clubhouse-epics))))
+                 (message "Successfully set the epic on story %d to %d"
+                          story-id epic-id))))))
+         elts)))))
+
+;;;
+
+(define-minor-mode org-clubhouse-mode
+  "If enabled, updates to the todo keywords on org headlines will update the
+linked ticket in Clubhouse."
+  :group 'org
+  :lighter "Org-Clubhouse"
+  :keymap '()
+  (add-hook 'org-after-todo-state-change-hook
+            'org-clubhouse-update-status
+            nil
+            t))
+
+(provide 'org-clubhouse)
+
+;;; org-clubhouse.el ends here