first commit

app/api/mail/send/route.ts

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+import { NextRequest, NextResponse } from "next/server";
+import { auth } from "@/auth";
+import { getMailSession } from "@/lib/mail-session";
+import { sendMail } from "@/lib/smtp";
+
+// POST /api/mail/send — supports both JSON and FormData (for attachments)
+export async function POST(req: NextRequest) {
+  const session = await auth();
+  if (!session) return NextResponse.json({ error: "Unauthorized" }, { status: 401 });
+
+  const creds = await getMailSession();
+  if (!creds) return NextResponse.json({ error: "Mail oturumu yok" }, { status: 401 });
+
+  const contentType = req.headers.get("content-type") ?? "";
+
+  let to: string, cc: string | undefined, subject: string, html: string, text: string | undefined;
+  let attachments: { filename: string; content: Buffer; contentType?: string }[] = [];
+
+  if (contentType.includes("multipart/form-data")) {
+    // FormData — with attachments
+    const formData = await req.formData();
+    to = formData.get("to") as string;
+    cc = (formData.get("cc") as string) || undefined;
+    subject = formData.get("subject") as string;
+    html = (formData.get("html") as string) || "";
+    text = (formData.get("text") as string) || undefined;
+
+    const files = formData.getAll("attachments") as File[];
+    for (const file of files) {
+      const buffer = Buffer.from(await file.arrayBuffer());
+      attachments.push({
+        filename: file.name,
+        content: buffer,
+        contentType: file.type || undefined,
+      });
+    }
+  } else {
+    // JSON — simple message
+    const body = await req.json();
+    to = body.to;
+    cc = body.cc || undefined;
+    subject = body.subject;
+    html = body.html || `<p>${body.text || ""}</p>`;
+    text = body.text || undefined;
+  }
+
+  if (!to || !subject) {
+    return NextResponse.json({ error: "Alıcı ve konu gerekli" }, { status: 400 });
+  }
+
+  const result = await sendMail(creds, {
+    to,
+    cc,
+    subject,
+    html,
+    text,
+    attachments: attachments.length > 0 ? attachments : undefined,
+  });
+
+  if (result.success) {
+    return NextResponse.json({ success: true, messageId: result.messageId });
+  }
+  return NextResponse.json({ error: result.error }, { status: 502 });
+}