feat: stripe integration

app/api/stripe/checkout/route.ts

@@ -0,0 +1,46 @@
+import config from "@/lib/config"
+import { PLANS, stripeClient } from "@/lib/stripe"
+import { NextRequest, NextResponse } from "next/server"
+
+export async function POST(request: NextRequest) {
+  const { searchParams } = new URL(request.url)
+  const code = searchParams.get("code")
+
+  if (!code) {
+    return NextResponse.json({ error: "Missing plan code" }, { status: 400 })
+  }
+
+  if (!stripeClient) {
+    return NextResponse.json({ error: "Stripe is not enabled" }, { status: 500 })
+  }
+
+  const plan = PLANS[code]
+  if (!plan || !plan.isAvailable) {
+    return NextResponse.json({ error: "Invalid or inactive plan" }, { status: 400 })
+  }
+
+  try {
+    const session = await stripeClient.checkout.sessions.create({
+      billing_address_collection: "auto",
+      line_items: [
+        {
+          price: plan.stripePriceId,
+          quantity: 1,
+        },
+      ],
+      mode: "subscription",
+      success_url: config.stripe.paymentSuccessUrl,
+      cancel_url: config.stripe.paymentCancelUrl,
+    })
+
+    if (!session.url) {
+      console.log(session)
+      return NextResponse.json({ error: `Failed to create checkout session: ${session}` }, { status: 500 })
+    }
+
+    return NextResponse.json({ session })
+  } catch (error) {
+    console.error(error)
+    return NextResponse.json({ error: `Failed to create checkout session: ${error}` }, { status: 500 })
+  }
+}