added a feature for sending mail from within the application

app/admin/email/send/page.tsx

@@ -0,0 +1,116 @@
+"use client";
+
+import { useEffect, useRef, useState } from "react";
+import { sendEmailAction, type ApiResponse, type EmailRequest } from "/app/actions/sendEmail";
+import { Button, Field, Input, Textarea } from "@/components/ui/form";
+
+export default function SendEmailForm(): JSX.Element {
+  const [result, setResult] = useState<
+    ApiResponse<EmailRequest> | { error: string } | null
+  >(null);
+  const [submitting, setSubmitting] = useState(false);
+
+  const [showSuccess, setShowSuccess] = useState(false);
+  const successTimerRef = useRef<ReturnType<typeof setTimeout> | null>(null);
+
+  useEffect(() => {
+    return () => {
+      if (successTimerRef.current) clearTimeout(successTimerRef.current);
+    };
+  }, []);
+
+  async function onSubmit(e: React.FormEvent<HTMLFormElement>): Promise<void> {
+    e.preventDefault();
+    setResult(null);
+
+    setShowSuccess(false);
+    if (successTimerRef.current) clearTimeout(successTimerRef.current);
+
+    const form = new FormData(e.currentTarget);
+
+    const recipient = String(form.get("recipient") ?? "");
+    const subject = String(form.get("subject") ?? "");
+    const body = String(form.get("body") ?? "");
+
+    try {
+      setSubmitting(true);
+      const data = await sendEmailAction({ recipient, subject, body });
+      setResult(data);
+
+      if (data?.success === true) {
+        setShowSuccess(true);
+
+        successTimerRef.current = setTimeout(() => {
+          setShowSuccess(false);
+        }, 2000);
+      }
+    } catch (err) {
+      const message = err instanceof Error ? err.message : "Unknown error";
+      setResult({ error: message });
+    } finally {
+      setSubmitting(false);
+    }
+  }
+
+  return (
+    <div className="mx-auto w-full max-w-xl px-4 py-10 text-zinc-50">
+      <h1 className="text-2xl font-semibold tracking-tight">
+        Send <span className="text-amber-300">Email</span>
+      </h1>
+      <p className="mt-2 text-sm text-zinc-400">
+        Compose a message and send it from the admin panel.
+      </p>
+
+      <form onSubmit={onSubmit} className="mt-6 space-y-4">
+        {result && "error" in result && (
+          <div className="rounded-md border border-red-500/40 bg-red-500/10 px-3 py-2 text-sm text-red-200">
+            {result.error}
+          </div>
+        )}
+
+        <Field label="Recipient" htmlFor="recipient">
+          <Input
+            id="recipient"
+            name="recipient"
+            type="email"
+            placeholder="user@example.com"
+            defaultValue="user@example.com"
+            required
+          />
+        </Field>
+
+        <Field label="Subject" htmlFor="subject">
+          <Input
+            id="subject"
+            name="subject"
+            placeholder="Test subject"
+            defaultValue="Test subject"
+            required
+          />
+        </Field>
+
+        <Field label="Body" htmlFor="body">
+          <Textarea
+            id="body"
+            name="body"
+            placeholder="Write your message…"
+            defaultValue="Test body"
+            rows={6}
+            required
+          />
+        </Field>
+
+        <Button type="submit" disabled={submitting}>
+          {submitting ? "Sending…" : showSuccess ? "Success" : "Send"}
+        </Button>
+
+        <div className="rounded-md border border-zinc-800 bg-zinc-950/60 p-3">
+          <div className="text-xs font-medium text-zinc-400">Response</div>
+          <pre className="mt-2 overflow-x-auto text-xs text-zinc-200">
+            {result ? JSON.stringify(result, null, 2) : "No response yet."}
+          </pre>
+        </div>
+      </form>
+    </div>
+  );
+}

app/admin/layout.tsx

@@ -49,10 +49,15 @@ const navItems = [
     icon: <Settings className="h-4 w-4" />,
   },
   {
-    label: "Email Request",
+    label: "List Emails",
     href: "/admin/email",
     icon: <LucideMail className="h-4 w-4" />,
   },
+  {
+    label: "Send a Email",
+    href: "/admin/email/send",
+    icon: <LucideMail className="h-4 w-4" />,
+  },
 ];
 
 // ADMIN CHECK FOR LOGIN