;;;; model.lisp -- bknr.datastore class definitions for dnd

(in-package :dnd)

(deftype title ()
  `(member :noob))

(deftype character-class ()
  `(member :hero))

(deftype priority ()
  `(member :low :medium :high))

(defun hero-class (h)
  "barGaryan")                          ; TODO: real implementation

(defun hero-title (h)
  "Scouse Chef")                        ; TODO: real implementation

(defun renown (hero)
  (experience hero))                    ; TODO: real implementaiton


;;; PERSISTENT MIXINS
(defclass has-uid ()
  ((nuid :reader uid
         :initform (nuid)
         :index-type idx:string-unique-index
         :index-reader object-with-uid))
  (:metaclass db:persistent-class))

(defclass can-equip ()
  ((equipment-table
    :initform nil
    :type list
    :documentation "A PLIST mapping 'equipment slots' to instances of LOOT. Equipment slots are things like :head, :torso, :left-ring, etc")
   (equipment-slot-names
    :initform +standard-humanoid-equipment+
    :initarg :slot-names
    :type (list keyword)
    :documentation "The list of slots available to this entity."))
  (:metaclass db:persistent-class))

(defclass has-bag ()
  ((bag
    :reader bag
    :initform nil
    :type list
    :documentation "A list of items that this entity is carrying."))
  (:metaclass db:persistent-class))

(defclass has-chronicle ()
  ((chronicle :accessor chronicle :initform nil))
  (:metaclass db:persistent-class)
  (:documentation "A chronicle is a general purpose log of events."))

(defparameter +standard-humanoid-equipment+
  '(:head :neck :torso :waist :legs :feet :arms :left-fingers :right-fingers
    :left-holding :right-holding :cloak)
  "The equipment slots for standard humanoids")

;;; ABSTRACT CLASSES
(defclass game-object (db:store-object has-uid has-chronicle)
  ()
  (:metaclass db:persistent-class))

;;; SYSTEM CLASSES

(defclass player (db:store-object has-uid)
  ((nick
    :reader nickname
    :initarg :nickname
    :initform (error "Players must have a nick")
    :type string
    :index-type idx:string-unique-index
    :index-reader player-with-nick)
   (pwhash
    :accessor pwhash
    :type string
    :initarg :pwhash
    :documentation "A hash of the password, hashed with the value of the pwsalt slot.")
   (pwsalt
    :reader pwsalt
    :initform (nuid)
    :type string
    :documentation "Salt for this hero's password hash."))
  (:metaclass db:persistent-class))


;; TODO expiration?
(defclass session (db:store-object)
  ((player :reader session-player
         :initarg :player)
   (id :reader session-id
       :initform (nuid)
       :index-type idx:string-unique-index
       :index-reader session-with-id))
  (:metaclass db:persistent-class))

;;; GAME CLASSES

(defclass hero (game-object has-bag can-equip)
  ((name
    :accessor name
    :initarg :name
    :initform (error "Heroes must be named")
    :type string
    :index-type idx:string-unique-index
    :index-reader hero-known-as)
   (player
    :reader player
    :initarg :player
    :type player
    :index-type idx:hash-index
    :index-reader player-heroes)
   (quest
    :accessor quest
    :initarg :quest
    :initform nil
    :type (or nil quest)
    :documentation "The quest that this hero is on. A hero may be on only one quest at a time."))
  (:metaclass db:persistent-class))


(defmethod adventure ((hero hero))
  (a:when-let (quest (quest hero))
    (adventure quest)))

(defclass adventure (game-object)
  ((creator
    :reader creator
    :initarg :creator
    :initform (error "adventures must have a creator")
    :type player
    :documentation "The player instance of the user who made this adventure.")
   (seers
    :accessor seers
    :initarg :seers
    :initform nil
    :type (or nil (cons player))
    :documentation "Seers are the people who peer out into their instruments of divination that heroes may go on quests.")
   (title
    :accessor title
    :initarg :title
    :initform (error "A adventure needs a title")
    :type string)
   (description
    :accessor description
    :initarg :description
    :initform ""
    :type string)
   (rumors
    :accessor rumors
    :initform nil
    :type (or nil (cons rumor))
    :documentation "Beasts, Monsters, and Hazards rumored to be lurking about."))
  (:metaclass db:persistent-class)
  (:documentation "A adventure is a container of quests. Adventures are expected to be engaged with on a particular schedule, and are run by particular people."))

(defclass rumor (game-object)
  ((reporter
    :reader reporter
    :initarg :reporter
    :type player
    :documentation "The player who hast reported the vile rumor.")
   (reported
    :accessor reported 
    :initform (error "A rumor must contain some reported matter")
    :initarg :reported
    :type string
    :documentation "A description of the supposed peril that awaits heroes in a particular adventure."))
  (:metaclass db:persistent-class)
  (:documentation "Transcript of a rumor reported by some player related to a Adventure."))

(defclass quest (game-object)
  ((adventure
    :reader adventure
    :initarg :adventure
    :initform (error "No quest can fall outside the scope of a adventure.")
    :type adventure
    :index-type idx:hash-index 
    :index-reader quests-in-adventure
    :documentation "The adventure to which this quest belongs")
   (name
    :accessor name
    :initarg :name
    :type string
    :initform (format nil "~a" (gensym "QUEST")))
   (horizon-of-hope
    :accessor horizon-of-hope
    :initarg :deadline
    :type integer
    :initform nil
    :documentation "When all hope becomes lost.")
   (inception
    :accessor quest-inception
    :initform nil
    :type (or nil integer)
    :documentation "Time at which the quest began."))
  (:metaclass db:persistent-class)
  (:documentation "A collection of hazards with a deadline and start date which heroes will attack."))

(defclass hazard (game-object)
  ((quest
    :accessor quest-of
    :index-type idx:hash-index
    :index-reader hazards-in-quest
    :documentation "The quest to which this hazard belongs. Initially it is unbound. It becomes boudn when the hazard is added to a quest.")
   (description
    :accessor description
    :initarg :description
    :initform ""
    :type string
    :documentation "")
   (overcomep
    :accessor is-overcome
    :initform nil
    :documentation "indicates whether or not this hazard has been overcome.")
   (imminence
    :accessor imminence-of
    :type priority
    :documentation "")
   (menace ;; difficulty
    :accessor menace-of
    :type integer
    :documentation "How dangerous the hazard is." ))
  (:metaclass db:persistent-class)
  (:documentation "Hazard is a superclass for all hazards encountered in a quest.  It's chronicle includes data about which heroes fought and which overcame."))