#lang racket/gui
(require "structs.rkt"
         "utils.rkt")

(provide look)

(define (look what where)
  (if (empty? what)
      (~a "In this area, there is: " (oxford-object-names where))
      (let* ([what-str (string-join what)]
             [obj (find-object-by-name what-str where)])
        (if obj
            (~a "There is a " what-str " in the area."
                (describe-obj obj))
            (~a "The \""  what-str "\" you're looking for isn't in this area.")))))

(define (describe-obj obj)
  (let ([output ""])
    (when (player? obj)
      (append-str! output "\nIt's you."))

    (when (item? obj)
      (append-str! output (~a "\nIt has a size of: " (item-size obj) "."))
      (when (equipment? obj)
        (append-str! output (~a "\nIt is a piece of equipment of type: " (equipment-type obj) "."))
        (when (weapon? obj)
          (append-str! output (~a "\nIt deals " (weapon-damage obj) " damage.")))
        (when (armor? obj)
          (append-str! output (~a "\nIt has a damage resistance of: " (armor-resistance obj) ".")))))

    (cond
      [(creature? obj)
       (append-str! output (~a "\nIts species is: " (creature-species obj) "."))
       (append-str! output (~a "\nIt's at " (creature-health obj) "HP."))
       (if (empty? (creature-equipment obj))
           (append-str! output (~a "\nIt doesn't look like it's carrying anything."))
           (append-str! output (~a "\nIt looks like it's carrying something.")))]
      [else
       (when (entity? obj)
         (append-str! output (~a "\nInside is: " (oxford-object-names obj))))]
      )
    output))