import { execFile } from "child_process";
import { promisify } from "util";
import path from "path";
import { cloneDeepWith, deburr } from "es-toolkit";

const execFileAsync = promisify(execFile);

export default defineEventHandler(async (event) => {
  const body = await readBody(event);
  const bodyNonAccent = cloneDeepWith(body, (value) => (typeof value === "string" ? deburr(value) : undefined));
  const { invoice, invoice_details, payment_record } = bodyNonAccent;

  const items = invoice_details.map((d: any) => ({
    name: d.variant__product__name,
    variant: `${d.variant__color__name} ${d.variant__ram__code}/${d.variant__internal_storage__code}`,
    imei: d.imei_sold,
    price: d.price,
  }));

  const payload = JSON.stringify({
    code: invoice.code,
    ordered_at: invoice.ordered_at,
    customer_name: invoice.customer_name,
    customer_phone: invoice.customer_phone,
    shipping_address: invoice.shipping_address,
    items,
    product_amount: invoice.product_amount,
    shipping_fee: invoice.shipping_fee,
    discount_amount: invoice.discount_amount,
    final_amount: invoice.final_amount,
    cash_amount: payment_record.cash_amount,
    transfer_amount: payment_record.transfer_amount,
  });

  const scriptPath = path.join(process.cwd(), "print", "print_receipt.py");

  try {
    const { stdout } = await execFileAsync("python", [scriptPath, payload]);
    return { success: true, output: stdout };
  } catch (err) {
    throw createError({ statusCode: 500, statusMessage: "Print failed", data: String(err) });
  }
});