refactor: repartition server-side and client-side code

app/.client/components/chat/Chat.client.tsx

@@ -0,0 +1,158 @@
+import { useStore } from '@nanostores/react';
+import * as Tooltip from '@radix-ui/react-tooltip';
+import { useLoaderData } from '@remix-run/react';
+import classNames from 'classnames';
+import { useAnimate } from 'framer-motion';
+import { useEffect, useState } from 'react';
+import { ClientOnly } from 'remix-utils/client-only';
+import { useShortcuts, useSnapScroll } from '~/.client/hooks';
+import { useChatMessage } from '~/.client/hooks/useChatMessage';
+import { aiState, setChatId, setChatStarted } from '~/.client/stores/ai-state';
+import { webBuilderStore } from '~/.client/stores/web-builder';
+import type { ChatMessage, ChatWithMessages } from '~/types/chat';
+import { renderLogger } from '~/utils/logger';
+import { Menu } from '../sidebar/Menu.client';
+import { WebBuilder } from '../webbuilder/WebBuilder.client';
+import styles from './BaseChat.module.scss';
+import ChatAlert from './ChatAlert';
+import { ChatTextarea } from './ChatTextarea';
+import { ExamplePrompts } from './ExamplePrompts';
+import FilePreview from './FilePreview';
+import { Messages } from './Messages.client';
+import ProgressCompilation from './ProgressCompilation';
+import { ScreenshotStateManager } from './ScreenshotStateManager';
+
+export type ImageData = {
+  file: File;
+  base64?: string;
+};
+
+export function Chat() {
+  renderLogger.trace('Chat');
+  const { id, chat } = useLoaderData<{ id?: string; chat: ChatWithMessages }>();
+
+  const { showChat, chatStarted } = useStore(aiState);
+  const actionAlert = useStore(webBuilderStore.chatStore.alert);
+  useShortcuts();
+  const [animationScope] = useAnimate();
+  const [scrollRef] = useSnapScroll();
+  const { progressAnnotations, abort, sendChatMessage } = useChatMessage({
+    initialId: id,
+    initialMessages: chat?.messages as unknown as ChatMessage[],
+  });
+  const [uploadFiles, setUploadFiles] = useState<File[]>([]);
+
+  useEffect(() => {
+    if (id) {
+      setChatId(id);
+    }
+  }, [id]);
+
+  useEffect(() => {
+    if (!chat) {
+      return;
+    }
+    const { messages } = chat;
+    if (messages.length > 0) {
+      setChatStarted(true);
+    }
+    webBuilderStore.chatStore.setReloadedMessages(messages.map((m) => m.id));
+  }, [chat]);
+
+  const handleSendMessage = (messageInput?: string) => {
+    if (!messageInput) {
+      return;
+    }
+    sendChatMessage({ messageContent: messageInput, files: uploadFiles });
+  };
+
+  return (
+    <>
+      {
+        <Tooltip.Provider delayDuration={200}>
+          <div
+            ref={animationScope}
+            data-chat-visible={showChat}
+            className={classNames(styles.BaseChat, 'relative flex size-full overflow-hidden')}
+          >
+            <ClientOnly>{() => <Menu />}</ClientOnly>
+            <div ref={scrollRef} className="flex flex-col lg:flex-row size-full">
+              <div className={classNames(styles.Chat, 'flex flex-col flex-grow lg:w-[var(--chat-width)] h-full')}>
+                {!chatStarted && (
+                  <div id="intro" className="mt-[18vh] max-w-chat mx-auto text-center px-4 lg:px-0">
+                    <h1 className="text-3xl lg:text-6xl font-bold text-upage-elements-textPrimary mb-4 animate-fade-in">
+                      使用 UPage 构建网站
+                    </h1>
+                    <p className="text-md lg:text-xl mb-8 text-upage-elements-textSecondary animate-fade-in animation-delay-200">
+                      将想法快速转变成现实，并通过可视化实时呈现。
+                    </p>
+                  </div>
+                )}
+                <div
+                  className={classNames('pt-6 px-1 sm:px-2', {
+                    'h-full flex flex-col': chatStarted,
+                  })}
+                >
+                  <ClientOnly>
+                    {() => {
+                      return chatStarted ? (
+                        <Messages
+                          ref={scrollRef}
+                          className="flex flex-col w-full flex-1 max-w-chat mb-6 mx-auto z-1 overflow-y-auto"
+                        />
+                      ) : null;
+                    }}
+                  </ClientOnly>
+                  <div
+                    className={classNames('flex flex-col gap-4 w-full max-w-chat mx-auto z-prompt mb-6', {
+                      'sticky bottom-2': chatStarted,
+                    })}
+                  >
+                    <div className="bg-upage-elements-background-depth-2">
+                      {actionAlert && (
+                        <ChatAlert
+                          postMessage={(message) => {
+                            handleSendMessage?.(message);
+                          }}
+                        />
+                      )}
+                    </div>
+                    {progressAnnotations && <ProgressCompilation data={progressAnnotations} />}
+                    <div
+                      className={classNames(
+                        'bg-upage-elements-background-depth-2 p-1 rounded-lg border border-upage-elements-borderColor relative w-full max-w-chat mx-auto z-prompt',
+                      )}
+                    >
+                      <FilePreview
+                        files={uploadFiles}
+                        onRemove={(index: number) => {
+                          setUploadFiles?.(uploadFiles.filter((_, i) => i !== index));
+                        }}
+                      />
+                      <ClientOnly>
+                        {() => <ScreenshotStateManager uploadFiles={uploadFiles} setUploadFiles={setUploadFiles} />}
+                      </ClientOnly>
+                      <ChatTextarea
+                        onStopMessage={abort}
+                        onSendMessage={handleSendMessage}
+                        uploadFiles={uploadFiles}
+                        setUploadFiles={setUploadFiles}
+                      />
+                    </div>
+                  </div>
+                </div>
+                <div className="flex flex-col justify-center gap-5">
+                  {!chatStarted &&
+                    ExamplePrompts((_event, messageInput) => {
+                      handleSendMessage?.(messageInput);
+                    })}
+                </div>
+              </div>
+              <ClientOnly>{() => <WebBuilder />}</ClientOnly>
+            </div>
+          </div>
+        </Tooltip.Provider>
+      }
+    </>
+  );
+}