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;;; build-app.lisp -- Contains the command line frontend definition
;;; to build the cli, simply load this file from the command line.

(asdf:load-system "oneliners.cli")

(defpackage #:oneliners.cli.app
  (:use #:cl #:net.didierverna.clon)
  (:local-nicknames (#:a #:alexandria)
                    (#:cli #:oneliners.cli)))

(in-package :oneliners.cli.app)

;;; HELP TEXTS
(defparameter +invite-help-text+
  " 
New contributor accounts are added to the your oneliners server by
redeeming invite tokens.

When the --redeem option is passed, the ARGS section is expected to be
three items long, and is interpreted as TOKEN USERNAME PASSWORD. E.g.:

    ol --redeem PHONEYTOKEN c00lhacker my1337pw

Would attempt to make a new user named c00lhacker with password
my1337pw.")

;;; CLON SYNOPSIS DEFINITION 

(defsynopsis (:postfix "[TERMS ...] | N [ARGS ...]")
  (group (:header "SEARCH")
         (text :contents " ")
         (text :contents "Each term may be a command name or some tag like 'server' or 'tunnel'")
         (lispobj :long-name "limit" 
                  :argument-type :optional
                  :argument-name "NUMBER"
                  :default-value 10
                  :description "The maximum number of results to return."
                  :typespec 'integer)
         (flag :long-name "not-flagged"
               :description "Request that no flagged oneliners are returned."))
  (text :contents " ")
  (group (:header "RUNNING ONELINERS")
         (text :contents " ")
         (text :contents "Runs the Nth search result with possible arguments ARGS.")
         (flag :long-name "clip"
               :description "Put oneliner into clipboard instead of running it."))
  (text :contents " ")
  (group (:header "Help")
         (flag :long-name "explain"
               :description "View oneliner explaination text.")
         (flag :long-name "help" 
               :description "Print this help menu.")
         (enum :long-name "help-topic"
               :enum '(:access :wiki :invites)
               :argument-name "TOPIC"
               :description "Print help for a topic. 
Topics:  wiki, access, invites"))
  (group (:header "Wiki" :hidden t)
         (flag :long-name "add"
               :description  "Intaractively add a oneliner and update the wiki.")
         (flag :long-name "edit"
               :description "Interactively edit a oneliner and update the wiki.")
         (flag :long-name "flag"
               :description "Flag a oneliner for review.")
         (flag :long-name "unflag"
               :description "If you have admin priviliges, unflag a oneliner.")
         (flag :long-name "lock"
               :description "If you have admin priviliges, lock a oneliner from being edited.")
         (flag :long-name "unlock"
               :description "If you have admin priviliges, unlock a oneliner."))
  (group (:header "Access" :hidden t)
         (flag :long-name "login"
               :description "Attempt to login to your contributor account. ARGS are interpreted as USERNAME PASSWORD.")
         (flag :long-name "revoke"
               :description "Revoke your own access token."))
  (group (:header "Invites" :hidden t)
         (flag :long-name "invite"
               :description "Request an invite token to send to a friend.")
         (flag :long-name "redeem"
               :description "Redeem an invite token.")
         (text :contents +invite-help-text+)))

;;; HELPERS

(defun find-group-with-header (header)
  "This function should be built in. Is it? How to know? The
documentation is both extensive and trash.  Any manual that expects
you to go to sleep with it at night is written for the author more
than the users."
  (loop for item in (net.didierverna.clon::items *synopsis*)
        when (and (typep item 'net.didierverna.clon::group)
                  (string-equal header (net.didierverna.clon::header item)))
          return item))


;;; MAIN ENTRY POINT

(defun main ()
  "Entry point for our standalone application."
  (make-context)
  (when (getopt :long-name "help")
    (help )
    (uiop:quit))
  (a:when-let (topic (getopt :long-name "help-topic"))
    (help :item (find-group-with-header (symbol-name topic)))
    (uiop:quit))
  (handler-case
      (let ((arguments (remainder)))
        (cond

          ((getopt :long-name "redeem")
           (destructuring-bind (token name pass) arguments
             (cli::redeem-invite token name pass)))

          ((getopt :long-name "login")
           (destructuring-bind (user pass) arguments
             (cli::login user pass)))

          ((getopt :long-name "invite")
           (cli::request-invite-code))

          ((getopt :long-name "revoke")
           (cli::revoke-access))

          ((getopt :long-name "add")
           (oneliners.cli::add-new-oneliner))

          (arguments
           ;; when the first argument is a number, try run a oneliner 
           (a:when-let (hist-number (parse-integer (first arguments) :junk-allowed t))
             (cond
               ((getopt :long-name "flag")
                (cli::flag-item hist-number))
               ((getopt :long-name "unflag")
                (cli::unflag-item hist-number))
               ((getopt :long-name "lock")
                (cli::lock-item hist-number))
               ((getopt :long-name "unlock")
                (cli::unlock-item hist-number))
               ((getopt :long-name "edit")
                (cli::edit-item hist-number))
               ((getopt :long-name "explain")
                (cli::print-item-explanation hist-number))
               (t
                (cli::run-item hist-number (rest arguments) (getopt :long-name "clip"))))
             (uiop:quit))   
           ;; otherwise search for oneliners
           (cli::search-for-oneliners arguments
                                      (getopt :long-name "limit")
                                      (getopt :long-name "not-flagged")))
          (t
           (help)))
        (uiop:quit))
    (error (e)
      (format *error-output* "~%ERROR: ~a~%" e)
      (uiop:quit))
    (#+sbcl sb-sys:interactive-interrupt
     #+ccl ccl:interrupt-signal-condition
     #+ecl ext:interactive-interrupt
     ()
      (format t "Aborted by User Interrupt.~%")
      (uiop:quit))))

;;; DUMP EXECUTABLE

(dump "ol" main)