#lang racket/base

(require json
         "jsmaker-test-framework.rkt"
         "jsmaker-executors.rkt"
         "../demo/dom-exercises.rkt")

(define (dom-preamble paragraph-text)
  (format #<<JS
const state = { afterParagraph: [], afterHeading: [] };
const paragraph = {
  innerHTML: ~a,
  get textContent() { return String(this.innerHTML).replace(/<[^>]*>/g, ''); },
  set textContent(v) { this.innerHTML = String(v); },
  insertAdjacentHTML: (position, html) => { state.afterParagraph.push([position, html]); }
};
const heading = {
  insertAdjacentHTML: (position, html) => { state.afterHeading.push([position, html]); }
};
const document = {
  querySelector: (selector) => {
    if (selector === 'p') return paragraph;
    if (selector === 'h1') return heading;
    return false;
  }
};
JS
          (jsexpr->string paragraph-text)))

(define (side-effect-expr preamble program check-expr)
  (format "(() => {~a
(function() {
~a
})();
return (~a);
})()"
          preamble
          program
          check-expr))

(define tests
  (list
   (js-expression-test
    'dom-ex01-highlight-long-words
    (side-effect-expr (dom-preamble "Short extraordinary words remain.") exercise01 "paragraph.innerHTML")
    (jsexpr->string "Short <span style=\"background: yellow\">extraordinary</span> words remain."))

   (js-expression-test
    'dom-ex02-add-source-link
    (side-effect-expr (dom-preamble "Force ipsum text.") exercise02 "state.afterParagraph")
    (jsexpr->string '(("afterend" "<a href=\"https://forcemipsum.com/\">Source: ForceM Ipsum</a>"))))

   (js-expression-test
    'dom-ex03-split-sentences
    (side-effect-expr (dom-preamble "First sentence. Second sentence. Third.") exercise03 "paragraph.innerHTML")
    (jsexpr->string "First sentence.<br>Second sentence.<br>Third.<br>"))

   (js-expression-test
    'dom-ex04-count-words-after-heading
    (side-effect-expr (dom-preamble "These are four words") exercise04 "state.afterHeading")
    (jsexpr->string '(("afterend" "<p>4 words</p>"))))

   (js-expression-test
    'dom-ex05-replace-punctuation-faces
    (side-effect-expr (dom-preamble "Really? Yes! No?") exercise05 "paragraph.innerHTML")
    (jsexpr->string "Really🤔 Yes😲 No🤔"))))

(define engine (find-js-engine))
(run-jsmaker-regression 'jsmaker-dom-exercises tests "/tmp/jsmaker-dom-exercises.js" #:engine engine)