class HomeworkElement extends HTMLElement {
	
	static updateTexts(container) {
		let textElements = container.querySelectorAll(".text")
		console.log(textElements)
		textElements.forEach((item, index) => {
			let itemId = item.getAttribute("id")
			let itemText = HomeworkSession.texts[itemId]
			HomeworkElement.applyText(itemText, item, null)
		})
    }

	static applyText(sourceText, targetElement, fallback = '') {
		if(sourceText.length > 0) {
			targetElement.innerHTML = sourceText
			targetElement.innerHTML = targetElement.textContent.trim()
		} else if(fallback == '') {
				console.warn('Missing text in: ', sourceText)
			} else {
				targetElement.innerHTML = fallback
			}
	}
}

const HomeworkTypes = Object.freeze({
	VOCABULARY_ENGLISH: "'English vocabulary'",
	VOCABULARY_FRENCH: "'French vocabulary'",
	VOCABULARY_GERMAN: "'German vocabulary'",
	VOCABULARY_SPANISH: "'Spanish vocabulary'",
	MATH: "'Math'"
})