feat: add emoji picker to chat room message input

- Integrated emoji-picker-element library for emoji selection
- Added emoji toggle button in message input container
- Implemented emoji picker show/hide functionality
- Created CSS styles for emoji picker positioning
- Added event handling for emoji selection and outside click
- Updated package.json to include emoji-picker-element dependency
- Modified Prisma schema to use TEXT type for message content
- Updated Prisma migration scripts to use dotenv for environment configuration

apps/web/src/App.css

@@ -449,3 +449,32 @@ button:disabled {
     height: 50vh;
   }
 }
+
+/* Emoji Picker Styles */
+.message-input-container {
+  display: flex;
+  align-items: center;
+  flex: 1;
+}
+
+.emoji-toggle-button {
+  background: none;
+  border: none;
+  font-size: 1.5rem;
+  cursor: pointer;
+  margin-left: 0.5rem;
+  padding: 0.25rem;
+  line-height: 1;
+}
+
+.emoji-picker-container {
+  position: absolute;
+  bottom: 100%;
+  right: 0;
+  z-index: 10;
+  margin-bottom: 0.5rem;
+}
+
+.message-form {
+  position: relative;
+}

apps/web/src/components/chat-room.tsx

@@ -1,7 +1,10 @@
-import { createSignal, createEffect, For, Show } from 'solid-js';
+import { createSignal, createEffect, For, Show, onMount } from 'solid-js';
 import { gql } from '@urql/core';
 import { createQuery, createMutation, createSubscription } from '@urql/solid';
 import { Message } from '../types';
+import 'emoji-picker-element';
+import { EmojiClickEvent } from 'emoji-picker-element/shared';
+import { Picker } from 'emoji-picker-element';
 
 const ROOM_QUERY = gql`
   query GetRoom($id: ID!) {
@@ -80,7 +83,13 @@ export function ChatRoom(props: ChatRoomProps) {
   const [messages, setMessages] = createSignal<Message[]>([]);
   const [confirmLeave, setConfirmLeave] = createSignal(false);
   const [leaveError, setLeaveError] = createSignal<string | null>(null);
+  const [showEmojiPicker, setShowEmojiPicker] = createSignal(false);
+  const [emojiPickerRef, setPickerRef] = createSignal<Picker | undefined>(
+    undefined
+  );
   let messagesContainer: HTMLDivElement | undefined;
+  let messageInput: HTMLInputElement | undefined;
+  let emojiPickerContainer: HTMLDivElement | undefined;
 
   const scrollToBottom = () => {
     if (messagesContainer) {
@@ -198,6 +207,41 @@ export function ChatRoom(props: ChatRoomProps) {
     return date.toLocaleTimeString([], { hour: '2-digit', minute: '2-digit' });
   };
 
+  const toggleEmojiPicker = () => {
+    setShowEmojiPicker(!showEmojiPicker());
+  };
+
+  createEffect(() => {
+    const handleEmojiSelect = (event: EmojiClickEvent) => {
+      setMessage((prev) => prev + event.detail.unicode);
+      messageInput?.focus();
+    };
+    const ref = emojiPickerRef();
+    if (ref) {
+      ref.addEventListener('emoji-click', handleEmojiSelect);
+      return () => {
+        ref.removeEventListener('emoji-click', handleEmojiSelect);
+      };
+    }
+  });
+
+  // Close emoji picker when clicking outside
+  onMount(() => {
+    const handleClickOutside = (event: MouseEvent) => {
+      if (
+        emojiPickerContainer &&
+        !emojiPickerContainer.contains(event.target as Node)
+      ) {
+        setShowEmojiPicker(false);
+      }
+    };
+
+    document.addEventListener('mousedown', handleClickOutside);
+    return () => {
+      document.removeEventListener('mousedown', handleClickOutside);
+    };
+  });
+
   return (
     <div class='chat-room'>
       <Show when={roomQuery.data?.room} fallback={<div>Loading room...</div>}>
@@ -246,13 +290,30 @@ export function ChatRoom(props: ChatRoomProps) {
       </div>
 
       <form class='message-form' onSubmit={handleSendMessage}>
-        <input
-          type='text'
-          value={message()}
-          onInput={(e) => setMessage(e.currentTarget.value)}
-          placeholder='Type a message...'
-        />
+        <div class='message-input-container'>
+          <input
+            ref={messageInput}
+            type='text'
+            value={message()}
+            onInput={(e) => setMessage(e.currentTarget.value)}
+            placeholder='Type a message...'
+          />
+          <button
+            type='button'
+            class='emoji-toggle-button'
+            onClick={toggleEmojiPicker}
+          >
+            😊
+          </button>
+        </div>
         <button type='submit'>Send</button>
+
+        {showEmojiPicker() && (
+          <div ref={emojiPickerContainer} class='emoji-picker-container'>
+            {/* @ts-ignore */}
+            <emoji-picker ref={(el: Picker) => setPickerRef(el)}></emoji-picker>
+          </div>
+        )}
       </form>
     </div>
   );