{
	"$schema": "../../schemas/code-crispies-module-schema.json",
	"id": "html-forms-validation",
	"title": "HTML Validierung",
	"description": "Lerne die eingebauten HTML5-Formular-Validierungsattribute kennen",
	"mode": "html",
	"difficulty": "intermediate",
	"lessons": [
		{
			"id": "required-fields",
			"title": "Pflichtfelder",
			"description": "Das <kbd>required</kbd>-Attribut verhindert das Absenden des Formulars, wenn das Feld leer ist.<br><br>Füge es zu jeder Eingabe hinzu, die ausgefüllt werden muss:<br><kbd>&lt;input type=\"text\" required&gt;</kbd><br><br>Der Browser zeigt automatisch eine Validierungsmeldung an.",
			"task": "Mache sowohl das Name- als auch das E-Mail-Feld zu Pflichtfeldern, indem du das <kbd>required</kbd>-Attribut hinzufügst.",
			"previewHTML": "",
			"previewBaseCSS": "body { font-family: system-ui; padding: 20px; } form { max-width: 350px; } label { display: block; margin-top: 15px; margin-bottom: 5px; } label:first-of-type { margin-top: 0; } input { width: 100%; padding: 8px; border: 1px solid #ccc; border-radius: 4px; box-sizing: border-box; } input:invalid { border-color: #d32f2f; } button { margin-top: 20px; padding: 10px 20px; background: #1976d2; color: white; border: none; border-radius: 4px; cursor: pointer; }",
			"sandboxCSS": "",
			"initialCode": "<form>\n  <label for=\"name\">Name: *</label>\n  <input type=\"text\" id=\"name\" name=\"name\">\n  \n  <label for=\"email\">E-Mail: *</label>\n  <input type=\"email\" id=\"email\" name=\"email\">\n  \n  <button type=\"submit\">Absenden</button>\n</form>",
			"solution": "<form>\n  <label for=\"name\">Name: *</label>\n  <input type=\"text\" id=\"name\" name=\"name\" required>\n  \n  <label for=\"email\">E-Mail: *</label>\n  <input type=\"email\" id=\"email\" name=\"email\" required>\n  \n  <button type=\"submit\">Absenden</button>\n</form>",
			"previewContainer": "preview-area",
			"validations": [
				{
					"type": "attribute_value",
					"value": { "selector": "input[name='name']", "attr": "required", "value": true },
					"message": "Füge <kbd>required</kbd> zum Namensfeld hinzu"
				},
				{
					"type": "attribute_value",
					"value": { "selector": "input[name='email']", "attr": "required", "value": true },
					"message": "Füge <kbd>required</kbd> zum E-Mail-Feld hinzu"
				}
			]
		},
		{
			"id": "input-constraints",
			"title": "Eingabebeschränkungen",
			"description": "Kontrolliere, was Benutzer eingeben können:<br><br><kbd>minlength</kbd> / <kbd>maxlength</kbd> - Textlängenbegrenzung<br><kbd>min</kbd> / <kbd>max</kbd> - Zahlenbereich<br><kbd>pattern</kbd> - Regex-Musterabgleich<br><kbd>placeholder</kbd> - Hinweistext (kein Label!)",
			"task": "Füge Validierung zur Passwort-Eingabe hinzu:<br>1. Füge <kbd>minlength=\"8\"</kbd> für die Mindestlänge hinzu<br>2. Füge <kbd>maxlength=\"20\"</kbd> für die Maximallänge hinzu<br>3. Füge <kbd>placeholder=\"Passwort eingeben\"</kbd> als Hinweis hinzu",
			"previewHTML": "",
			"previewBaseCSS": "body { font-family: system-ui; padding: 20px; } form { max-width: 350px; } label { display: block; margin-bottom: 5px; } input { width: 100%; padding: 8px; border: 1px solid #ccc; border-radius: 4px; box-sizing: border-box; } input:invalid:not(:placeholder-shown) { border-color: #d32f2f; } small { display: block; font-size: 12px; color: #666; margin-top: 4px; } button { margin-top: 20px; padding: 10px 20px; background: #1976d2; color: white; border: none; border-radius: 4px; cursor: pointer; }",
			"sandboxCSS": "",
			"initialCode": "<form>\n  <label for=\"password\">Passwort:</label>\n  <input type=\"password\" id=\"password\" name=\"password\" required aria-describedby=\"password-hint\">\n  <small id=\"password-hint\">Muss 8-20 Zeichen lang sein</small>\n  \n  <button type=\"submit\">Konto erstellen</button>\n</form>",
			"solution": "<form>\n  <label for=\"password\">Passwort:</label>\n  <input type=\"password\" id=\"password\" name=\"password\" required minlength=\"8\" maxlength=\"20\" placeholder=\"Passwort eingeben\" aria-describedby=\"password-hint\">\n  <small id=\"password-hint\">Muss 8-20 Zeichen lang sein</small>\n  \n  <button type=\"submit\">Konto erstellen</button>\n</form>",
			"previewContainer": "preview-area",
			"validations": [
				{
					"type": "attribute_value",
					"value": { "selector": "input[type='password']", "attr": "minlength", "value": "8" },
					"message": "Füge <kbd>minlength</kbd>=\"8\" zum Passwort hinzu"
				},
				{
					"type": "attribute_value",
					"value": { "selector": "input[type='password']", "attr": "maxlength", "value": "20" },
					"message": "Füge <kbd>maxlength</kbd>=\"20\" zum Passwort hinzu"
				},
				{
					"type": "attribute_value",
					"value": { "selector": "input[type='password']", "attr": "placeholder", "value": null },
					"message": "Füge einen <kbd>placeholder</kbd> hinzu, der andeutet, was einzugeben ist"
				}
			]
		},
		{
			"id": "complete-registration",
			"title": "Vollständiges Registrierungsformular",
			"description": "Erstelle ein vollständiges Registrierungsformular mit allen Validierungskonzepten:<br><br>- Pflichtfelder mit * markiert<br>- E-Mail-Validierung (type=\"email\" verwenden)<br>- Passwort mit Längenbeschränkungen<br>- AGB-Checkbox (Pflichtfeld)<br>- Absende-Button",
			"task": "Vervollständige das Registrierungsformular. Füge <kbd>required</kbd>-Attribute, passende Eingabetypen und Validierungsbeschränkungen hinzu.",
			"previewHTML": "",
			"previewBaseCSS": "body { font-family: system-ui; padding: 20px; } form { max-width: 400px; background: #f5f5f5; padding: 25px; border-radius: 8px; } h2 { margin-top: 0; margin-bottom: 20px; } label { display: block; margin-top: 15px; margin-bottom: 5px; font-weight: 500; } input[type='text'], input[type='email'], input[type='password'] { width: 100%; padding: 10px; border: 1px solid #ccc; border-radius: 4px; box-sizing: border-box; font-size: 14px; } input:focus { outline: 2px solid #1976d2; border-color: transparent; } input[type='checkbox'] { width: auto; margin-right: 8px; vertical-align: middle; } label:has(input[type='checkbox']) { display: flex; align-items: center; font-weight: normal; } button { width: 100%; margin-top: 20px; padding: 12px; background: #1976d2; color: white; border: none; border-radius: 4px; cursor: pointer; font-size: 16px; font-weight: 500; } button:hover { background: #1565c0; }",
			"sandboxCSS": "",
			"initialCode": "<form>\n  <h2>Konto erstellen</h2>\n  \n  <label for=\"fullname\">Vollständiger Name *</label>\n  <input type=\"text\" id=\"fullname\" name=\"fullname\">\n  \n  <label for=\"email\">E-Mail *</label>\n  <input id=\"email\" name=\"email\">\n  \n  <label for=\"password\">Passwort *</label>\n  <input id=\"password\" name=\"password\">\n  \n  <label>\n    <input type=\"checkbox\" id=\"terms\" name=\"terms\">\n    Ich stimme den Nutzungsbedingungen zu *\n  </label>\n  \n  <button type=\"submit\">Registrieren</button>\n</form>",
			"solution": "<form>\n  <h2>Konto erstellen</h2>\n  \n  <label for=\"fullname\">Vollständiger Name *</label>\n  <input type=\"text\" id=\"fullname\" name=\"fullname\" required>\n  \n  <label for=\"email\">E-Mail *</label>\n  <input type=\"email\" id=\"email\" name=\"email\" required>\n  \n  <label for=\"password\">Passwort *</label>\n  <input type=\"password\" id=\"password\" name=\"password\" required minlength=\"8\">\n  \n  <label>\n    <input type=\"checkbox\" id=\"terms\" name=\"terms\" required>\n    Ich stimme den Nutzungsbedingungen zu *\n  </label>\n  \n  <button type=\"submit\">Registrieren</button>\n</form>",
			"previewContainer": "preview-area",
			"validations": [
				{
					"type": "attribute_value",
					"value": { "selector": "#fullname", "attr": "required", "value": true },
					"message": "Mache das Feld für den vollständigen Namen zum Pflichtfeld"
				},
				{
					"type": "attribute_value",
					"value": { "selector": "#email", "attr": "type", "value": "email" },
					"message": "Setze den Eingabetyp für E-Mail auf <kbd>email</kbd>"
				},
				{
					"type": "attribute_value",
					"value": { "selector": "#email", "attr": "required", "value": true },
					"message": "Mache das E-Mail-Feld zum Pflichtfeld"
				},
				{
					"type": "attribute_value",
					"value": { "selector": "#password", "attr": "type", "value": "password" },
					"message": "Setze den Eingabetyp für Passwort auf <kbd>password</kbd>"
				},
				{
					"type": "attribute_value",
					"value": { "selector": "#password", "attr": "required", "value": true },
					"message": "Mache das Passwort-Feld zum Pflichtfeld"
				},
				{
					"type": "attribute_value",
					"value": { "selector": "#password", "attr": "minlength", "value": "8" },
					"message": "Füge <kbd>minlength</kbd>=\"8\" zum Passwort hinzu"
				},
				{
					"type": "attribute_value",
					"value": { "selector": "#terms", "attr": "required", "value": true },
					"message": "Mache die AGB-Checkbox zum Pflichtfeld"
				}
			]
		}
	]
}