import type { NextRequest } from "next/server";
import { orderCreateCommandSchema } from "@salixcommerce/core";
import { commerceRepository } from "@/server/commerce/commerce";
import {
  CART_CAPABILITY_COOKIE,
  hashCartCapability,
  hashCommerceRequest,
  parseCartCapability,
} from "@/server/commerce/capability";
import {
  errorResponse,
  failureResponse,
  noStoreJson,
  validateJsonMutationRequest,
} from "@/server/commerce/http";

export const runtime = "nodejs";

export async function POST(request: NextRequest) {
  const requestGate = validateJsonMutationRequest(request);
  if (!requestGate.ok) return requestGate.response;

  const parsed = orderCreateCommandSchema.safeParse(await readJson(request));
  if (!parsed.success) return errorResponse("INVALID_REQUEST", "Invalid order request.", 400);

  const capability = parseCartCapability(request.cookies.get(CART_CAPABILITY_COOKIE)?.value);
  if (capability === null) return errorResponse("CART_NOT_FOUND", "Cart not found.", 404);

  const result = await commerceRepository.createOrder({
    capabilityHash: hashCartCapability(capability),
    contactEmail: parsed.data.contactEmail,
    idempotencyKey: parsed.data.idempotencyKey,
    requestHash: hashCommerceRequest(parsed.data),
  });
  if (!result.ok) return failureResponse(result.error);
  return noStoreJson({ data: result.data, ok: true }, 200);
}

async function readJson(request: NextRequest): Promise<unknown> {
  try {
    return await request.json();
  } catch {
    return undefined;
  }
}