import { Payment } from '../../lib/models.js';
import { API } from "../../lib/api.js";
import logging from '../../lib/logging.js';
import dayjs from 'dayjs';
import { product_id, fake_payments, register_enabled } from "../../client/config.js";
import { paypal_private } from "../../lib/config.js";
import assert from 'assert';
import * as queues from "../../lib/queues.js";

const pay_queue = queues.create("paypal/validate_order");

const log = logging.create("api/payments/paypal.js");

const rules = {
  sys_primary_id: "required",
  sys_secondary_id: "required",
  sys_created_on: "required|date"
}

export const post = async (req, res) => {
  const api = new API(req, res);

  if(!register_enabled) {
    return api.error(500, {errors: { main: "Registration is disabled."}});
  }

  try {
    assert(!fake_payments, "You have fake_payments set so use /api/user/payment/fake APIs instead.");
    assert(!paypal_private.disabled, "Paypal Payments are disabled in secrets/config.json");

    const msg = api.validate(rules);

    if(msg._valid) {
      log.debug("Paypal recieved message", msg);
      let internal_id = Payment.gen_internal_id();

      // TODO: see if we can use date-fns instead of dayjs here
      let payment = await Payment.insert({
        user_id: api.user.id,
        system: 'paypal',
        status: 'complete',
        internal_id,
        sys_primary_id: msg.sys_primary_id,
        sys_secondary_id: msg.sys_secondary_id,
        sys_created_on: dayjs(msg.sys_created_on)
      });

      // TODO: should we await here?
      pay_queue.add({payment_id: payment.id});

      assert(payment && payment.internal_id, "Failed to save payment.");

      let result = {
        sys_primary_id: payment.sys_primary_id,
        status: payment.status,
        internal_id: payment.internal_id
      }

      queues.send_welcome(api.user);
      queues.send_receipt(api.user, payment.id, product_id);

      log.debug(result);
      return api.reply(200, result);
    } else {
      log.error(msg._errors, "paypal validation failure");
      return api.validation_error(res, msg);
    }
  } catch(error) {
    log.error(error);
    return api.error(403, 'PayPal configuration failed');
  }
}

post.authenticated = true;