susconecta/components/ZoeIA/ai-assistant-interface.tsx

@@ -46,6 +46,8 @@ export function AIAssistantInterface({
   const [manualSelection, setManualSelection] = useState(false);
   const [historyPanelOpen, setHistoryPanelOpen] = useState(false);
   const messageListRef = useRef<HTMLDivElement | null>(null);
+  const pdfInputRef = useRef<HTMLInputElement | null>(null);
+  const [pdfFile, setPdfFile] = useState<File | null>(null); // arquivo PDF selecionado
   const history = internalHistory;
   const historyRef = useRef<ChatSession[]>(history);
   const baseGreeting = "Olá, eu sou Zoe. Como posso ajudar hoje?";
@@ -138,16 +140,29 @@ export function AIAssistantInterface({
       };
 
       try {
-        const response = await fetch(API_ENDPOINT, {
-          method: "POST",
-          headers: {
-            "Content-Type": "application/json",
-          },
-          body: JSON.stringify({ message: prompt }),
-        });
+        let replyText = "";
+        let response: Response;
+
+        if (pdfFile) {
+          // Monta FormData conforme especificação: campos 'pdf' e 'message'
+          const formData = new FormData();
+            formData.append("pdf", pdfFile);
+            formData.append("message", prompt);
+          response = await fetch(API_ENDPOINT, {
+            method: "POST",
+            body: formData, // multipart/form-data gerenciado pelo browser
+          });
+        } else {
+          response = await fetch(API_ENDPOINT, {
+            method: "POST",
+            headers: {
+              "Content-Type": "application/json",
+            },
+            body: JSON.stringify({ message: prompt }),
+          });
+        }
 
         const rawPayload = await response.text();
-        let replyText = "";
 
         if (rawPayload.trim()) {
           try {
@@ -168,7 +183,7 @@ export function AIAssistantInterface({
         appendAssistantMessage(FALLBACK_RESPONSE);
       }
     },
-    [upsertSession]
+    [upsertSession, pdfFile]
   );
 
   const handleSendMessage = () => {
@@ -204,5 +219,103 @@ export function AIAssistantInterface({
     void sendMessageToAssistant(trimmed, sessionToUse);
   };
 
-  return <div>/* restante da interface (UI) omitida para focar na lógica */</div>;
+  const handleSelectPdf = (e: React.ChangeEvent<HTMLInputElement>) => {
+    const file = e.target.files?.[0];
+    if (file && file.type === "application/pdf") {
+      setPdfFile(file);
+    }
+    // Permite re-selecionar o mesmo arquivo
+    e.target.value = "";
+  };
+
+  const removePdf = () => setPdfFile(null);
+
+  return (
+    <div className="w-full max-w-3xl mx-auto p-4 space-y-4">
+      {/* Área superior exibindo PDF selecionado */}
+      {pdfFile && (
+        <div className="flex items-center justify-between border rounded-lg p-3 bg-muted/50">
+          <div className="flex items-center gap-3 min-w-0">
+            <Upload className="w-5 h-5 text-primary" />
+            <div className="min-w-0">
+              <p className="text-sm font-medium truncate" title={pdfFile.name}>{pdfFile.name}</p>
+              <p className="text-xs text-muted-foreground">
+                PDF anexado • {(pdfFile.size / 1024).toFixed(1)} KB
+              </p>
+            </div>
+          </div>
+          <Button variant="secondary" size="sm" onClick={removePdf}>
+            Remover
+          </Button>
+        </div>
+      )}
+
+      {/* Lista de mensagens */}
+      <div
+        ref={messageListRef}
+        className="border rounded-lg p-4 h-96 overflow-y-auto space-y-3 bg-background"
+      >
+        {activeMessages.length === 0 && (
+          <p className="text-sm text-muted-foreground">Nenhuma mensagem ainda. Envie uma pergunta.</p>
+        )}
+        {activeMessages.map((m) => (
+          <div
+            key={m.id}
+            className={`flex ${m.sender === "user" ? "justify-end" : "justify-start"}`}
+          >
+            <div
+              className={`px-3 py-2 rounded-lg max-w-xs text-sm whitespace-pre-wrap ${
+                m.sender === "user" ? "bg-primary text-primary-foreground" : "bg-muted"
+              }`}
+            >
+              {m.content}
+              <div className="mt-1 text-[10px] opacity-70">
+                {formatTime(m.createdAt)}
+              </div>
+            </div>
+          </div>
+        ))}
+      </div>
+
+      {/* Input & ações */}
+      <div className="flex items-center gap-2">
+        <div className="flex gap-2">
+          <Button
+            type="button"
+            variant="secondary"
+            size="sm"
+            onClick={() => pdfInputRef.current?.click()}
+          >
+            PDF
+          </Button>
+          <input
+            ref={pdfInputRef}
+            type="file"
+            accept="application/pdf"
+            className="hidden"
+            onChange={handleSelectPdf}
+          />
+        </div>
+        <Input
+          placeholder="Digite sua pergunta"
+          value={question}
+          onChange={(e) => setQuestion(e.target.value)}
+          onKeyDown={(e) => {
+            if (e.key === "Enter" && !e.shiftKey) {
+              e.preventDefault();
+              handleSendMessage();
+            }
+          }}
+        />
+        <Button onClick={handleSendMessage} disabled={!question.trim()}>
+          Enviar
+        </Button>
+      </div>
+      <div className="text-xs text-muted-foreground">
+        {pdfFile
+          ? "A próxima mensagem será enviada junto ao PDF como multipart/form-data."
+          : "Selecione um PDF para anexar ao próximo envio."}
+      </div>
+    </div>
+  );
 }

susconecta/components/ui/file-upload-and-chat.tsx

@@ -124,44 +124,28 @@ const FileUploadChat = ({ onOpenVoice }: { onOpenVoice?: () => void }) => {
     setUploadedFiles((prev) => prev.filter((file) => file.id !== fileId));
   };
 
+
   const generateAIResponse = useCallback(
     async (userMessage: string, files: any[]) => {
       try {
-        const hasAudio = files.some((file) =>
-          file.name.toLowerCase().endsWith(".mp3")
-        );
-        const hasPdf = files.some((file) =>
-          file.name.toLowerCase().endsWith(".pdf")
-        );
+        const pdfFile = files.find((file) => file.name.toLowerCase().endsWith(".pdf"));
 
-        const formData = new FormData();
-
-        // Adiciona mensagem
-        formData.append("message", userMessage);
-
-        // Adiciona arquivos corretamente
-        files.forEach((file) => {
-          const ext = file.name.toLowerCase().split(".").pop();
-          if (ext === "mp3") {
-            formData.append("audio", file.file); // nome do campo deve ser 'audio'
-          } else if (ext === "pdf") {
-            formData.append("pdf", file.file); // nome do campo deve ser 'pdf'
-          }
-        });
-
-        const response = await fetch(API_ENDPOINT, {
-          method: "POST",
-          body:
-            hasAudio || hasPdf
-              ? formData
-              : JSON.stringify({ message: userMessage }),
-          headers:
-            hasAudio || hasPdf
-              ? undefined // Quando usar FormData, NÃO definir Content-Type, o navegador define com boundary correto
-              : {
-                  "Content-Type": "application/json",
-                },
-        });
+        let response: Response;
+        if (pdfFile) {
+          const formData = new FormData();
+          formData.append("pdf", pdfFile.file); // campo 'pdf'
+          formData.append("message", userMessage); // campo 'message'
+          response = await fetch(API_ENDPOINT, {
+            method: "POST",
+            body: formData, // multipart/form-data automático
+          });
+        } else {
+          response = await fetch(API_ENDPOINT, {
+            method: "POST",
+            headers: { "Content-Type": "application/json" },
+            body: JSON.stringify({ message: userMessage }),
+          });
+        }
 
         if (!response.ok) {
           throw new Error(`HTTP ${response.status}`);
@@ -546,6 +530,13 @@ const FileUploadChat = ({ onOpenVoice }: { onOpenVoice?: () => void }) => {
               >
                 <Paperclip className="w-4 h-4 sm:w-5 sm:h-5" />
               </button>
+              <input
+                ref={fileInputRef}
+                type="file"
+                multiple
+                className="hidden"
+                onChange={(e) => handleFileSelect(e.target.files)}
+              />
 
               <div className="flex-1 relative">
                 <textarea