Adding login admin, fix ipv6 Vienamese version, add env example

scripts/seed-admin.ts

@@ -0,0 +1,46 @@
+import mongoose from "mongoose";
+import User from "../models/User";
+import * as dotenv from "dotenv";
+import path from "path";
+import crypto from "crypto";
+
+dotenv.config({ path: path.join(__dirname, "../.env") });
+
+function hashPassword(password: string) {
+  return crypto.createHash("sha256").update(password).digest("hex");
+}
+
+async function seedAdmin() {
+  const MONGODB_URI = process.env.MONGODB_URI;
+
+  if (!MONGODB_URI) {
+    console.error("MONGODB_URI not found");
+    process.exit(1);
+  }
+
+  try {
+    await mongoose.connect(MONGODB_URI);
+    console.log("Connected to MongoDB");
+
+    const adminEmail = "adminipv6@mail.com".toLowerCase().trim();
+    const adminPassword = "adminipv6A@a";
+    const hashedPassword = hashPassword(adminPassword);
+
+    // Xóa sạch user cũ để tránh xung đột
+    await User.deleteMany({ email: adminEmail });
+
+    await User.create({
+      email: adminEmail,
+      password: hashedPassword,
+    });
+    
+    console.log("SUCCESS: Admin account created/refreshed with hashed password.");
+    console.log(`Email: ${adminEmail}`);
+  } catch (error) {
+    console.error("Error:", error);
+  } finally {
+    await mongoose.disconnect();
+  }
+}
+
+seedAdmin();