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import { CommonModule } from '@angular/common';
import {
AfterViewChecked,
Component,
ElementRef,
inject,
OnDestroy,
OnInit,
Renderer2,
ViewChild,
} from '@angular/core';
import { FormsModule } from '@angular/forms';
import { ChatService } from '@services/chat.service';
import { v4 as uuidv4 } from 'uuid';
import { MarkdownPipe } from '../../pipes/markdown.pipe';
interface ChatMessage {
id: string;
sender: 'user' | 'bot';
text: string;
timestamp: Date;
}
@Component({
selector: 'grt-chat-widget',
templateUrl: './chat-widget.component.html',
styleUrl: './chat-widget.component.scss',
imports: [FormsModule, CommonModule, MarkdownPipe],
animations: [
trigger('messageAnimation', [
transition(':enter', [
style({ opacity: 0, transform: 'translateY(10px)' }),
animate('300ms ease-out', style({ opacity: 1, transform: 'translateY(0)' })),
]),
]),
trigger('popoverAnimation', [
transition(':enter', [
style({ opacity: 0, transform: 'translateY(10px) scale(0.9)' }),
animate('400ms cubic-bezier(0.4, 0, 0.2, 1)', style({ opacity: 1, transform: 'translateY(0) scale(1)' })),
]),
transition(':leave', [animate('200ms ease-in', style({ opacity: 0, transform: 'translateY(10px) scale(0.9)' }))]),
]),
],
})
export class ChatWidgetComponent implements AfterViewChecked, OnDestroy, OnInit {
@ViewChild('chatBody') private chatBody!: ElementRef;
@ViewChild('messageInput') private messageInput!: ElementRef;
private readonly STORAGE_KEY = 'grt_chat_state';
isOpen = false;
isLoading = false;
messages: ChatMessage[] = [];
input = '';
unreadCount = 0;
sessionId = uuidv4();
hide = false;
// Support selection
showSupportOptions = true;
selectedSupport: 'ai' | 'hubspot' | null = null;
// Popover state
showPopover = true;
popoverMessage = 'Hi! Need help planning your dream trip? 🌍';
private popoverTimer: any;
private chatService = inject(ChatService);
private renderer = inject(Renderer2);
private shouldScrollToBottom = false;
private hubspotScriptLoaded = false;
ngOnDestroy() {
// Clean up timer
if (this.popoverTimer) {
clearTimeout(this.popoverTimer);
}
}
ngAfterViewChecked() {
if (this.shouldScrollToBottom) {
this.scrollToBottom();
this.shouldScrollToBottom = false;
}
}
toggleChat(): void {
this.isOpen = !this.isOpen;
if (this.isOpen) {
this.showPopover = false;
this.unreadCount = 0;
if (this.selectedSupport === 'ai') {
setTimeout(() => this.messageInput?.nativeElement?.focus(), 300);
}
}
}
private persistChatState(): void {
sessionStorage.setItem(
this.STORAGE_KEY,
JSON.stringify({
messages: this.messages,
sessionId: this.sessionId,
selectedSupport: this.selectedSupport,
showSupportOptions: this.showSupportOptions,
}),
);
}
goBackToSupportOptions(): void {
this.selectedSupport = null;
this.showSupportOptions = true;
this.persistChatState();
}
closePopover(): void {
this.showPopover = false;
}
selectAIAssistant(): void {
this.selectedSupport = 'ai';
this.showSupportOptions = false;
// Send welcome message
if (this.messages?.length > 0) return;
setTimeout(() => {
this.addBotMessage(
'Welcome to Go Real Travel! I can help you plan a new trip, connect you to support if you have already booked a trip with us, and share information about our destinations.',
);
}, 300);
}
selectHubSpot(): void {
this.selectedSupport = 'hubspot';
this.showSupportOptions = false;
this.loadHubSpotScript();
}
private loadHubSpotScript(): void {
if (this.hubspotScriptLoaded) {
(window as any).HubSpotConversations.widget.load();
this.openHubSpotChat();
return;
}
const script = this.renderer.createElement('script');
script.type = 'text/javascript';
script.src = '//js-eu1.hs-scripts.com/139818938.js';
script.id = 'hs-script-loader';
script.async = true;
script.defer = true;
script.onload = () => {
this.hubspotScriptLoaded = true;
// Wait for HubSpot widget to initialize
setTimeout(() => {
this.openHubSpotChat();
}, 1000);
};
this.renderer.appendChild(document.head, script);
}
private openHubSpotChat(): void {
// Try to open HubSpot chat widget
if ((window as any).HubSpotConversations) {
(window as any).HubSpotConversations.widget.open();
// Close our widget since HubSpot has its own
this.hide = true;
this.toggleChat();
}
}
closeHubSpotAndGoBack(): void {
// Close HubSpot widget if it's open
if ((window as any).HubSpotConversations) {
(window as any).HubSpotConversations.widget.close();
}
// Show our widget again and go back to support options
this.hide = false;
this.isOpen = true;
this.selectAIAssistant();
this.persistChatState();
}
sendMessage(): void {
if (!this.input.trim() || this.isLoading) return;
const userMessage = this.input.trim();
// Add user message to UI
this.addUserMessage(userMessage);
// Clear input
this.input = '';
// Set loading state
this.isLoading = true;
// Call API
this.chatService.sendMessage(userMessage).subscribe({
next: (res) => {
this.isLoading = false;
this.addBotMessage(res?.agent_output || '');
},
error: (error) => {
console.error('Chat error:', error);
this.isLoading = false;
this.addBotMessage('Something went wrong. Please try again.');
},
});
}
sendQuickMessage(message: string): void {
this.input = message;
this.sendMessage();
}
onInputChange(): void {
// Can be used for typing indicators or real-time features
}
handleAttachment(): void {
// Implement file attachment if needed
console.log('Attachment feature - coming soon!');
}
private addUserMessage(text: string): void {
this.messages.push({
id: this.generateId(),
text,
sender: 'user',
timestamp: new Date(),
});
this.shouldScrollToBottom = true;
this.persistChatState();
}
private addBotMessage(text: string): void {
this.messages.push({
id: this.generateId(),
text,
sender: 'bot',
timestamp: new Date(),
});
this.shouldScrollToBottom = true;
this.persistChatState();
if (!this.isOpen) this.unreadCount++;
}
ngOnInit(): void {
this.restoreChatState();
}
private restoreChatState(): void {
if (globalThis.window) {
const raw = globalThis.window.sessionStorage.getItem(this.STORAGE_KEY);
if (!raw) return;
try {
const state = JSON.parse(raw);
this.messages = state.messages || [];
this.sessionId = state.sessionId || this.sessionId;
this.selectedSupport = state.selectedSupport;
this.showSupportOptions = state.showSupportOptions ?? true;
} catch {
sessionStorage.removeItem(this.STORAGE_KEY);
}
}
}
private scrollToBottom(): void {
try {
if (this.chatBody) {
const element = this.chatBody.nativeElement;
element.scrollTop = element.scrollHeight;
}
} catch (err) {
console.error('Error scrolling to bottom:', err);
}
}
private generateId(): string {
return `msg_${Date.now()}_${Math.random().toString(36).substr(2, 9)}`;
}
// Getter for typing indicator display
get isTyping(): boolean {
return this.isLoading;
}
hideHubspot() {
if ((window as any).HubSpotConversations) {
(window as any).HubSpotConversations.widget.remove();
}
}
}
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