feat: initial commit — asaas-checkout template white-label

Template genérico de checkout com ASAAS, parametrizado via env vars.
Inclui fluxo completo: checkout → pedido → polling → webhook → admin.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

app/api/pedido/[id]/route.ts

@@ -0,0 +1,48 @@
+import { NextResponse } from "next/server"
+import { createServiceClient } from "@/lib/supabase"
+import { buscarPagamentoAsaas, mapearStatus } from "@/lib/asaas"
+
+export async function GET(
+  _request: Request,
+  { params }: { params: Promise<{ id: string }> }
+) {
+  const { id } = await params
+  const supabase = createServiceClient()
+
+  const { data, error } = await supabase
+    .from("pedidos")
+    .select(
+      "id, status, valor_centavos, metodo_pagamento, pix_copia_cola, pix_qrcode_url, asaas_invoice_url, asaas_payment_id, paid_at, clientes(nome, email), produtos(nome, validade, midia)"
+    )
+    .eq("id", id)
+    .single()
+
+  if (error || !data) {
+    return NextResponse.json({ error: "Pedido não encontrado" }, { status: 404 })
+  }
+
+  // Se ainda está pendente, consulta o ASAAS diretamente para pegar status atualizado
+  if (data.status === "PENDING" && data.asaas_payment_id) {
+    try {
+      const asaasPayment = await buscarPagamentoAsaas(data.asaas_payment_id)
+      const novoStatus = mapearStatus(asaasPayment.status)
+
+      if (novoStatus !== "PENDING") {
+        const isPago = novoStatus === "RECEIVED" || novoStatus === "CONFIRMED"
+        const updateData: Record<string, unknown> = { status: novoStatus }
+        if (isPago) updateData.paid_at = new Date().toISOString()
+
+        await supabase
+          .from("pedidos")
+          .update(updateData)
+          .eq("id", id)
+
+        return NextResponse.json({ ...data, status: novoStatus, paid_at: isPago ? updateData.paid_at : null })
+      }
+    } catch {
+      // Falha silenciosa — retorna o que tem no banco
+    }
+  }
+
+  return NextResponse.json(data)
+}

app/api/pedido/[id]/sync/route.ts

@@ -0,0 +1,45 @@
+import { NextResponse } from "next/server"
+import { createServiceClient } from "@/lib/supabase"
+import { buscarPagamentoAsaas, mapearStatus } from "@/lib/asaas"
+
+export async function POST(
+  _request: Request,
+  { params }: { params: Promise<{ id: string }> }
+) {
+  const { id } = await params
+  const supabase = createServiceClient()
+
+  const { data: pedido } = await supabase
+    .from("pedidos")
+    .select("id, status, asaas_payment_id")
+    .eq("id", id)
+    .single()
+
+  if (!pedido) {
+    return NextResponse.json({ error: "Pedido não encontrado" }, { status: 404 })
+  }
+
+  if (!pedido.asaas_payment_id) {
+    return NextResponse.json({ error: "Pedido sem ID ASAAS" }, { status: 400 })
+  }
+
+  try {
+    const asaasPayment = await buscarPagamentoAsaas(pedido.asaas_payment_id)
+    const novoStatus = mapearStatus(asaasPayment.status)
+    const isPago = novoStatus === "RECEIVED" || novoStatus === "CONFIRMED"
+
+    const updateData: Record<string, unknown> = { status: novoStatus }
+    if (isPago && !pedido.status.includes("RECEIVED") && !pedido.status.includes("CONFIRMED")) {
+      updateData.paid_at = new Date().toISOString()
+    }
+
+    await supabase.from("pedidos").update(updateData).eq("id", id)
+
+    return NextResponse.json({ status: novoStatus, asaas_status: asaasPayment.status })
+  } catch (err) {
+    return NextResponse.json(
+      { error: err instanceof Error ? err.message : "Erro ao consultar ASAAS" },
+      { status: 500 }
+    )
+  }
+}