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src/servers/api/auth/signup.ts

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+import type { Handler } from 'hono';
+import { officerdb, count, Users } from 'officerdb';
+import { sign } from '@@/jwt';
+import { USER_ROLES, USER_STATUSES } from 'definitions';
+import * as errors from '@@/custom-errors';
+import { sendMail } from 'emailer';
+
+export const signupHandler: Handler = async function (ctx) {
+  const body = ctx.get('body');
+  const origin = ctx.get('origin');
+
+  if (!body.email || !/^[^\s@]+@[^\s@]+\.[^\s@]+$/.test(body.email)) {
+    throw errors.BAD_REQUEST('Invalid email address');
+  }
+
+  const result = await officerdb.select({ count: count() }).from(Users);
+  const userCount = result[0]?.count ?? 0;
+  if (userCount > 0) throw errors.FORBIDDEN('Registration is closed');
+
+  const newUser = {
+    email: body.email as string,
+    status: 'Unverified' as (typeof USER_STATUSES)[number],
+    role: 'Admin' as (typeof USER_ROLES)[number],
+  };
+
+  const insertedUsers = await officerdb.insert(Users).values(newUser).returning();
+  if (!insertedUsers || insertedUsers.length === 0) throw errors.INTERNAL_SERVER_ERROR('Failed to create user');
+  const dbUser = insertedUsers[0]!;
+
+  const verificationCode = await sign({ id: dbUser.id, email: dbUser.email }, '24h');
+  const url = `${origin}/auth/verify?verificationCode=${verificationCode}`;
+
+  await sendMail({
+    template: 'VerifyAdmin',
+    subject: 'Verify your Officer account',
+    to: dbUser.email,
+    data: { name: dbUser.email, url },
+  });
+
+  return ctx.json({ ok: true, user: { id: dbUser.id, email: dbUser.email } });
+};