feat: Registro de conta (Self-service SaaS) 100% funcional integrado ao Admin Panel

src/app/api/auth/register/route.ts

@@ -0,0 +1,73 @@
+import { NextResponse } from 'next/server';
+import { query } from '@/lib/db';
+import bcrypt from 'bcryptjs';
+import jwt from 'jsonwebtoken';
+
+export async function POST(req: Request) {
+  try {
+    const { name, slug, email, password } = await req.json();
+
+    if (!name || !slug || !email || !password) {
+      return NextResponse.json({ error: 'Preencha todos os campos obrigatórios' }, { status: 400 });
+    }
+
+    // 1. Verificar se o slug ou email já existem
+    const checkSlug = await query('SELECT id FROM tenants WHERE slug = $1', [slug]);
+    if (checkSlug.rows.length > 0) {
+      return NextResponse.json({ error: 'Este link público já está em uso. Escolha outro.' }, { status: 400 });
+    }
+
+    const checkEmail = await query('SELECT id FROM users WHERE email = $1', [email]);
+    if (checkEmail.rows.length > 0) {
+      return NextResponse.json({ error: 'Este e-mail já está cadastrado.' }, { status: 400 });
+    }
+
+    // 2. Criar o Tenant (Estabelecimento) - Começa no plano Starter, com status trial de 7 dias
+    const planRes = await query("SELECT id FROM plans WHERE name = 'Starter' LIMIT 1");
+    const planId = planRes.rows.length > 0 ? planRes.rows[0].id : null;
+
+    const tenantRes = await query(
+      `INSERT INTO tenants (name, slug, email, plan_id, subscription_status, subscription_ends_at) 
+       VALUES ($1, $2, $3, $4, 'trial', NOW() + INTERVAL '7 days') RETURNING *`,
+      [name, slug, email, planId]
+    );
+    const newTenant = tenantRes.rows[0];
+
+    // 3. Criar o Usuário Dono (Owner)
+    const salt = await bcrypt.genSalt(10);
+    const hash = await bcrypt.hash(password, salt);
+
+    const userRes = await query(`
+      INSERT INTO users (tenant_id, name, email, password_hash, role)
+      VALUES ($1, $2, $3, $4, 'owner') RETURNING id, name, email, role
+    `, [newTenant.id, name, email, hash]);
+    
+    const newUser = userRes.rows[0];
+
+    // 4. Gerar Token JWT
+    const secret = process.env.JWT_SECRET || 'fallback_secret_for_development';
+    const token = jwt.sign(
+      { userId: newUser.id, tenantId: newTenant.id, role: newUser.role },
+      secret,
+      { expiresIn: '7d' }
+    );
+
+    return NextResponse.json({
+      success: true,
+      token,
+      user: {
+        id: newUser.id,
+        name: newUser.name,
+        email: newUser.email,
+        role: newUser.role,
+        tenant_id: newTenant.id,
+        tenant_slug: newTenant.slug,
+        tenant_name: newTenant.name
+      }
+    });
+
+  } catch (error: any) {
+    console.error('Registration error:', error);
+    return NextResponse.json({ error: error.message }, { status: 500 });
+  }
+}

src/app/register/page.tsx

@@ -11,25 +11,35 @@ export default function RegisterPage() {
   const [loading, setLoading] = useState(false);
   const router = useRouter();
 
-  const handleRegister = (e: React.FormEvent) => {
+  const handleRegister = async (e: React.FormEvent) => {
     e.preventDefault();
     setLoading(true);
     
-    // Simulação do provisionamento do novo tenant do SaaS
-    setTimeout(() => {
-      setLoading(false);
-      // Salva o novo tenant simulado nos cookies ou localstorage para o login funcionar
-      localStorage.setItem('agendapro_token', 'demo_token');
-      localStorage.setItem('agendapro_tenant_name', name);
-      localStorage.setItem('agendapro_plan', 'Starter'); // Plano inicial trial
+    try {
+      const res = await fetch('/api/auth/register', {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify({ name, slug, email, password })
+      });
 
-      // Cria cookie para o admin enxergar o novo tenant se necessário
-      const date = new Date();
-      date.setTime(date.getTime() + (7*24*60*60*1000));
-      document.cookie = "agendapro_new_tenant=" + encodeURIComponent(name) + "; expires=" + date.toUTCString() + "; path=/";
+      const data = await res.json();
 
+      if (res.ok) {
+        // Salva os dados de login reais!
+        localStorage.setItem('agendapro_token', data.token);
+        localStorage.setItem('agendapro_tenant_name', data.user.tenant_name);
+        localStorage.setItem('agendapro_tenant_slug', data.user.tenant_slug);
+        
+        // Redireciona para o painel principal do app
         router.push('/');
-    }, 1500);
+      } else {
+        alert(data.error || 'Erro ao criar conta');
+      }
+    } catch (error) {
+      alert('Erro de conexão ao criar conta');
+    } finally {
+      setLoading(false);
+    }
   };
 
   const handleNameChange = (val: string) => {