import { NextResponse } from 'next/server';
import Stripe from 'stripe';
import { prisma } from '@/lib/prisma';

const stripe = new Stripe(process.env.STRIPE_SECRET_KEY!, {
  // eslint-disable-next-line @typescript-eslint/no-explicit-any
  apiVersion: '2026-03-25.dahlia' as any,
});

export async function POST(request: Request) {
  let body: Record<string, unknown>;
  try {
    body = await request.json();
  } catch {
    return NextResponse.json({ error: 'Invalid JSON' }, { status: 400 });
  }

  const { paymentIntentId } = body;
  if (!paymentIntentId || typeof paymentIntentId !== 'string') {
    return NextResponse.json({ error: 'Missing paymentIntentId' }, { status: 400 });
  }

  // Try to get authoritative data from Stripe, but don't block save if it fails
  let stripeAmount: number | null = null;
  let stripeCurrency: string | null = null;
  let stripeStatus: string | null = null;
  let stripeMetadata: Record<string, string> = {};

  try {
    const pi = await stripe.paymentIntents.retrieve(paymentIntentId);
    stripeAmount = pi.amount;
    stripeCurrency = pi.currency;
    stripeStatus = pi.status;
    stripeMetadata = (pi.metadata ?? {}) as Record<string, string>;
  } catch {
    // Stripe unreachable — save with client-submitted data
  }

  const m = stripeMetadata;
  const data = {
    amount: stripeAmount ?? (typeof body.amount === 'number' ? body.amount : 0),
    currency: stripeCurrency ?? (typeof body.currency === 'string' ? body.currency : 'aed'),
    status: stripeStatus ?? (typeof body.status === 'string' ? body.status : 'pending'),
    customerName: (body.customerName as string | null) ?? m.customerName ?? null,
    customerEmail: (body.customerEmail as string | null) ?? m.customerEmail ?? null,
    customerPhone: (body.customerPhone as string | null) ?? m.customerPhone ?? null,
    customerAddress: (body.customerAddress as string | null) ?? m.customerAddress ?? null,
    customerCity: (body.customerCity as string | null) ?? m.customerCity ?? null,
    customerCountry: (body.customerCountry as string | null) ?? m.customerCountry ?? null,
    customerPostalCode: (body.customerPostalCode as string | null) ?? m.customerPostalCode ?? null,
    persona: (body.persona as string | null) ?? m.persona ?? null,
    color: (body.color as string | null) ?? m.color ?? null,
    priceItems: (body.priceItems as string | null) ?? m.priceItems ?? null,
  };

  await prisma.order.upsert({
    where: { paymentIntentId },
    create: { paymentIntentId, ...data },
    update: data,
  });

  return NextResponse.json({ saved: true });
}