All files / src/scripts unified-contact-form.ts

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/**
 * Unified Contact Form - Client-side behavior for all placement variants
 * (sidebar, inline, sticky-mobile).
 *
 * Reads widget configuration from data attributes on .unified-contact-widget
 * containers and wires up CTA triggers, form validation, submission, duplicate
 * detection, success/reset flows, and analytics tracking.
 */
 
import { getCachedHomeownerUser } from "../components/homeowner/auth-check";
import { pushDataLayerEvent } from "../lib/gtm";
import {
	extractPhoneDigits,
	validateCustomerName,
	validateIndianPhoneNumber,
} from "../lib/validation";
 
function getTracker(): DRTracker | undefined {
	return window.DRTracker;
}
 
document
	.querySelectorAll<HTMLElement>(".unified-contact-widget")
	.forEach((widget) => {
		// Prefer the container's data-pro-id; fall back to the form's hidden
		// proId input so the value survives even if the dataset attr is missing
		// (#794).
		const proId =
			widget.dataset.proId ||
			(
				widget.querySelector(
					'input[name="proId"]',
				) as HTMLInputElement | null
			)?.value ||
			"";
		const proName = widget.dataset.proName ?? "";
		const proWhatsapp = widget.dataset.proWhatsapp ?? "";
		const placement = widget.dataset.placement ?? "sidebar";
 
		const ctaTrigger = widget.querySelector(
			".ucf-cta-trigger",
		) as HTMLElement | null;
		const formContainer = widget.querySelector(
			".ucf-form-container",
		) as HTMLElement | null;
		const form = widget.querySelector(".ucf-form") as HTMLFormElement | null;
		const successDiv = widget.querySelector(
			".ucf-success",
		) as HTMLElement | null;
		const errorDiv = widget.querySelector(".ucf-error") as HTMLElement | null;
		const fallbackLink = widget.querySelector(
			".ucf-fallback-link",
		) as HTMLElement | null;
		const duplicateWarning = widget.querySelector(
			".ucf-duplicate-warning",
		) as HTMLElement | null;
		const resetBtn = widget.querySelector(
			".ucf-reset-btn",
		) as HTMLElement | null;
		const successMessage = widget.querySelector(
			".ucf-success-message",
		) as HTMLElement | null;
		const otherDescContainer = widget.querySelector(
			".ucf-other-description",
		) as HTMLElement | null;
		const submitActionInput = form?.querySelector(
			'input[name="submitAction"]',
		) as HTMLInputElement | null;
		const requirementSelect = form?.querySelector(
			'select[name="requirementType"]',
		) as HTMLSelectElement | null;
		const requirementDesc = form?.querySelector(
			'textarea[name="requirementDescription"]',
		) as HTMLTextAreaElement | null;
 
		// Sticky-mobile specific elements
		const overlay = widget.querySelector(".ucf-overlay") as HTMLElement | null;
		const panel = widget.querySelector(".ucf-panel") as HTMLElement | null;
		const panelClose = widget.querySelector(
			".ucf-panel-close",
		) as HTMLElement | null;
 
		const btnWhatsapp = widget.querySelector(
			".ucf-btn-whatsapp",
		) as HTMLButtonElement | null;
		const btnCallback = widget.querySelector(
			".ucf-btn-callback",
		) as HTMLButtonElement | null;
 
		Iif (!form || !errorDiv) return;
 
		// --- Field-level inline errors ---
		const fieldErrors = form.querySelectorAll<HTMLElement>(".ucf-field-error");
		function showFieldError(fieldName: string, message: string): void {
			for (const el of fieldErrors) {
				if (el.dataset.field === fieldName) {
					el.textContent = message;
					el.classList.remove("hidden");
					return;
				}
			}
			// Fallback to central error div if inline element is missing
			if (errorDiv) {
				errorDiv.textContent = message;
				errorDiv.classList.remove("hidden");
			}
		}
		function clearFieldError(fieldName: string): void {
			for (const el of fieldErrors) {
				if (el.dataset.field === fieldName) {
					el.textContent = "";
					el.classList.add("hidden");
					return;
				}
			}
		}
		function clearFieldErrors(): void {
			for (const el of fieldErrors) {
				el.textContent = "";
				el.classList.add("hidden");
			}
		}
 
		// --- Accessibility: associate labels with inputs via for/id ---
		form.querySelectorAll<HTMLElement>("label").forEach((label) => {
			const input = label.parentElement?.querySelector(
				"input, select, textarea",
			) as HTMLElement | null;
			Eif (input && !input.id) {
				const fieldName =
					(input as HTMLInputElement).name || crypto.randomUUID().slice(0, 8);
				const uid = `ucf-${placement}-${fieldName}`;
				input.id = uid;
				label.setAttribute("for", uid);
			}
		});
 
		// --- Duplicate check ---
		let isDuplicate = false;
		function checkDuplicate(): void {
			const ts = localStorage.getItem(`inquiry_${proId}`);
			if (ts && Date.now() - parseInt(ts, 10) < 86400000) {
				isDuplicate = true;
				Eif (duplicateWarning) {
					duplicateWarning.textContent = `You\u2019ve already reached out to ${proName}. They should get back to you soon!`;
					duplicateWarning.classList.remove("hidden");
				}
			} else {
				isDuplicate = false;
			}
		}
 
		// --- CTA trigger (inline + sticky-mobile) ---
		if (ctaTrigger && placement !== "sidebar") {
			function handleCtaActivate(): void {
				if (placement === "sticky-mobile") {
					// Open slide-up panel
					overlay?.classList.remove("hidden");
					panel?.classList.remove("hidden");
					document.body.style.overflow = "hidden";
				} else {
					// Inline: hide CTA, show form
					ctaTrigger?.classList.add("hidden");
					formContainer?.classList.remove("hidden");
				}
				getTracker()?.click("pro", proId, proId, "contact_cta_click");
				checkDuplicate();
			}
 
			ctaTrigger.addEventListener("click", handleCtaActivate);
			ctaTrigger.addEventListener("keydown", (e: KeyboardEvent) => {
				Eif (e.key === "Enter" || e.key === " ") {
					e.preventDefault();
					handleCtaActivate();
				}
			});
		}
 
		// Sidebar: check duplicate immediately since form is always visible
		if (placement === "sidebar") {
			checkDuplicate();
		}
 
		// --- Sticky-mobile close ---
		function closePanel(): void {
			overlay?.classList.add("hidden");
			panel?.classList.add("hidden");
			document.body.style.overflow = "";
		}
 
		panelClose?.addEventListener("click", closePanel);
		overlay?.addEventListener("click", closePanel);
 
		// --- Clear inline error on field interaction ---
		function handleFieldInteraction(e: Event): void {
			const fieldName = (e.target as HTMLElement as HTMLInputElement).name;
			Eif (fieldName) clearFieldError(fieldName);
		}
		form.addEventListener("input", handleFieldInteraction);
		form.addEventListener("change", handleFieldInteraction);
 
		// --- Live name validation on blur ---
		// Uses the canonical validateCustomerName so live feedback always matches
		// the submit-time verdict. (The previous inline `oninput` handler in
		// ContactFormFields.astro hand-rolled a regex that Astro's attribute
		// compilation mangled — see git history.) The clear-on-input listener
		// above wipes the error as the user types; this re-validates on blur.
		const nameInput = form.querySelector(
			'input[name="customerName"]',
		) as HTMLInputElement | null;
		nameInput?.addEventListener("blur", () => {
			const value = nameInput.value.trim().replace(/\s+/g, " ");
			Iif (!value) {
				clearFieldError("customerName");
				return;
			}
			const error = validateCustomerName(value);
			if (error) {
				showFieldError("customerName", error);
			} else {
				clearFieldError("customerName");
			}
		});
 
		// --- Normalize the phone field on blur ---
		// Inquiries accept any Indian-mobile format (with/without +91, spaces, or a
		// leading 0). ContactFormFields.astro used to carry an inline
		// `oninput="...replace(/\D/g,'')"` digit-strip, but Astro's attribute
		// compilation mangled the regex (\D -> D) so it stripped nothing; combined
		// with the old maxlength="10" a pasted "+91 …" was truncated to garbage and
		// the inquiry POST 500'd with no success shown. extractPhoneDigits (backed
		// by libphonenumber) collapses every accepted format to the 10-digit
		// national number, so blur leaves a clean value and submit always sends
		// digits. Unparseable input (mid-typed, too short) falls back to a plain
		// digit-strip — harmless, since submit re-normalizes and validation rejects
		// anything that isn't a valid mobile.
		const phoneInput = form.querySelector(
			'input[name="customerPhone"]',
		) as HTMLInputElement | null;
		phoneInput?.addEventListener("blur", () => {
			Iif (!phoneInput.value.trim()) return;
			const normalized = extractPhoneDigits(phoneInput.value);
			Eif (normalized && normalized !== phoneInput.value)
				phoneInput.value = normalized;
		});
 
		// --- Show/hide "Other" description field ---
		requirementSelect?.addEventListener("change", () => {
			if (requirementSelect.value === "other") {
				otherDescContainer?.classList.remove("hidden");
				Eif (requirementDesc) requirementDesc.required = true;
			} else {
				otherDescContainer?.classList.add("hidden");
				Eif (requirementDesc) {
					requirementDesc.required = false;
					requirementDesc.value = "";
				}
			}
		});
 
		// --- Button click handlers to set submitAction ---
		btnWhatsapp?.addEventListener("click", () => {
			Eif (submitActionInput) submitActionInput.value = "whatsapp";
		});
		btnCallback?.addEventListener("click", () => {
			if (submitActionInput) submitActionInput.value = "callback";
		});
 
		// --- Reset button ---
		resetBtn?.addEventListener("click", () => {
			successDiv?.classList.add("hidden");
			form?.classList.remove("hidden");
			form?.reset();
			errorDiv?.classList.add("hidden");
			Eif (errorDiv) errorDiv.textContent = "";
			clearFieldErrors();
			fallbackLink?.classList.add("hidden");
			otherDescContainer?.classList.add("hidden");
			Eif (requirementDesc) {
				requirementDesc.required = false;
				requirementDesc.value = "";
			}
			duplicateWarning?.classList.add("hidden");
			checkDuplicate();
		});
 
		// --- Form submission ---
		form.addEventListener("submit", async (e: SubmitEvent) => {
			e.preventDefault();
 
			// Block duplicate submissions
			Iif (isDuplicate) {
				if (successMessage) {
					successMessage.textContent = `You've already sent an inquiry to ${proName}. They'll get back to you soon!`;
				}
				form.classList.add("hidden");
				successDiv?.classList.remove("hidden");
				return;
			}
 
			const action = submitActionInput?.value ?? "callback";
			const isWhatsapp = action === "whatsapp";
 
			// Determine which button was clicked
			const activeBtn = isWhatsapp
				? (btnWhatsapp ?? btnCallback)
				: (btnCallback ?? btnWhatsapp);
			Iif (!activeBtn) return;
 
			const activeBtnLabel = activeBtn.querySelector(
				".ucf-btn-label",
			) as HTMLElement | null;
			const activeBtnIcon = activeBtn.querySelector(
				".ucf-btn-icon",
			) as HTMLElement | null;
			const originalLabel = activeBtnLabel?.textContent ?? "";
 
			activeBtn.disabled = true;
			Eif (activeBtnLabel) activeBtnLabel.textContent = "Sending...";
			Eif (activeBtnIcon) activeBtnIcon.classList.add("hidden");
 
			// Disable the other button too
			const otherBtn = isWhatsapp ? btnCallback : btnWhatsapp;
			Eif (otherBtn) otherBtn.disabled = true;
 
			errorDiv.classList.add("hidden");
			errorDiv.textContent = "";
			clearFieldErrors();
			fallbackLink?.classList.add("hidden");
 
			const formData = new FormData(form);
			const phone = extractPhoneDigits(
				(formData.get("customerPhone") as string) ?? "",
			);
			const name = ((formData.get("customerName") as string) ?? "").trim();
			const reqType = (formData.get("requirementType") as string) ?? "";
			const otherDesc =
				reqType === "other"
					? ((formData.get("requirementDescription") as string) ?? "").trim()
					: undefined;
 
			// Validate all fields and show inline errors
			let hasError = false;
			function restoreButtons(): void {
				Eif (activeBtn) activeBtn.disabled = false;
				Eif (activeBtnLabel) activeBtnLabel.textContent = originalLabel;
				Eif (activeBtnIcon) activeBtnIcon.classList.remove("hidden");
				Eif (otherBtn) otherBtn.disabled = false;
			}
 
			const normalizedName = name.replace(/\s+/g, " ");
			const nameError = validateCustomerName(normalizedName);
			if (nameError) {
				showFieldError("customerName", nameError);
				hasError = true;
			}
			const phoneError = validateIndianPhoneNumber(phone);
			if (phoneError) {
				showFieldError("customerPhone", phoneError);
				hasError = true;
			}
			if (!reqType) {
				showFieldError(
					"requirementType",
					"Please select what you are looking for.",
				);
				hasError = true;
			}
			if (reqType === "other" && !otherDesc) {
				showFieldError(
					"requirementDescription",
					"Please describe your requirement.",
				);
				hasError = true;
			}
			if (hasError) {
				restoreButtons();
				return;
			}
 
			// Pre-open the WhatsApp tab synchronously, while we still hold the
			// submit's user-activation. Opening it after `await fetch` below would
			// be blocked as an unsolicited popup on desktop. Mobile redirects the
			// current tab instead, so it doesn't need a pre-opened window.
			const isDesktop = window.innerWidth >= 768;
			let waWindow: Window | null = null;
			if (isWhatsapp && isDesktop) {
				// window.open can throw under strict sandbox/iframe policies — never
				// let that crash the submission (a callback request must still go
				// through). A null window is handled by the success branch below.
				try {
					waWindow = window.open("about:blank", "_blank");
				} catch (err) {
					console.error("[UnifiedContactForm] Failed to pre-open window:", err);
				}
			}
 
			const email = ((formData.get("customerEmail") as string) ?? "").trim();
 
			const data: Record<string, string | undefined> = {
				proId,
				customerName: normalizedName,
				customerPhone: phone,
				type: isWhatsapp ? "whatsapp" : "form_submit",
				requirementType: reqType,
				sourceType: "marketplace",
				sourcePage: window.location.pathname,
			};
			Iif (email) data.customerEmail = email;
			Iif (otherDesc) {
				data.requirementDescription = otherDesc;
				data.requirement = otherDesc;
			}
 
			try {
				const response = await fetch("/api/inquiry", {
					method: "POST",
					headers: { "Content-Type": "application/json" },
					body: JSON.stringify(data),
				});
 
				const result = (await response.json()) as {
					success: boolean;
					data?: { id?: string; whatsapp_redirect_url?: string };
					error?: string;
				};
 
				if (result.success) {
					// Store in localStorage for duplicate detection
					localStorage.setItem(`inquiry_${proId}`, String(Date.now()));
 
					const tracker = getTracker();
					tracker?.click(
						"pro",
						proId,
						proId,
						isWhatsapp ? "whatsapp_form_submit" : "callback_form_submit",
					);
 
					// GA4 conversion (via GTM). Coexists with DRTracker above.
					// logged_in: optimistic (cached, no network) homeowner auth state
					// so GA4 can segment conversions by authenticated vs anonymous.
					pushDataLayerEvent("generate_lead", {
						lead_type: isWhatsapp ? "whatsapp" : "callback",
						pro_id: proId,
						pro_name: proName,
						// Canonical page dimension shared across all conversion events
						// so GA can slice every conversion by page. See
						// apps/marketplace/CLAUDE.md §Analytics.
						page_path: window.location.pathname,
						logged_in: getCachedHomeownerUser() != null,
					});
 
					if (isWhatsapp && result.data?.whatsapp_redirect_url) {
						tracker?.click("pro", proId, proId, "whatsapp_redirect");
						Iif (!isDesktop) {
							window.location.href = result.data.whatsapp_redirect_url;
						} else if (waWindow && !waWindow.closed) {
							waWindow.location.href = result.data.whatsapp_redirect_url;
						} else {
							// Pre-open was blocked: surface the direct link instead.
							fallbackLink?.classList.remove("hidden");
						}
					} else {
						// No redirect URL came back — discard the placeholder tab.
						waWindow?.close();
					}
 
					// Show success state
					form.classList.add("hidden");
					Eif (successMessage) {
						successMessage.textContent = isWhatsapp
							? `Request sent to ${proName}!`
							: `We\u2019ve shared your details with ${proName}. They\u2019ll call you back shortly!`;
					}
					successDiv?.classList.remove("hidden");
				} else {
					waWindow?.close();
					const msg =
						typeof result.error === "string"
							? result.error
							: "Something went wrong. Please try again.";
					errorDiv.textContent = msg;
					errorDiv.classList.remove("hidden");
					Eif (proWhatsapp) fallbackLink?.classList.remove("hidden");
				}
			} catch (err) {
				waWindow?.close();
				console.error("[UnifiedContactForm] Submission failed:", err);
				errorDiv.textContent =
					"Something went wrong. You can try again or use the direct link below.";
				errorDiv.classList.remove("hidden");
				if (proWhatsapp) fallbackLink?.classList.remove("hidden");
			} finally {
				activeBtn.disabled = false;
				Eif (activeBtnLabel) activeBtnLabel.textContent = originalLabel;
				Eif (activeBtnIcon) activeBtnIcon.classList.remove("hidden");
				Eif (otherBtn) otherBtn.disabled = false;
			}
		});
	});