"use client";

import { usePaymentLaunchFlow } from "@/app/_hooks/use-payment-launch-flow";
import type { TipCoffeeType } from "@/lib/tip/tip_coffee";
import {
  usePaymentDispatch,
  usePaymentState,
} from "@/stores/payment/payment-context";
import { Logger } from "@/utils";

import { LazyStripePaymentDialog } from "../subscription/components/lazy-stripe-payment-dialog";
import { stripePaymentDialogStyles as dialogStyles } from "../subscription/components/stripe-payment-dialog.styles";
import styles from "./tip-screen.module.css";

const log = new Logger("TipCheckoutButton");

export interface TipCheckoutButtonProps {
  coffeeType: TipCoffeeType;
  disabled?: boolean;
  isAuthLoading?: boolean;
  onOrder: () => void;
  returnPath: string;
}

export function TipCheckoutButton({
  coffeeType,
  disabled = false,
  isAuthLoading = false,
  onOrder,
  returnPath,
}: TipCheckoutButtonProps) {
  const payment = usePaymentState();
  const paymentDispatch = usePaymentDispatch();
  const paymentLaunch = usePaymentLaunchFlow({
    log,
    logScope: "tip-checkout",
    payment,
    paymentDispatch,
    subscriptionType: "tip",
    tipCoffeeType: coffeeType,
  });

  const isLoading =
    isAuthLoading || payment.isCreatingOrder || payment.isPollingOrder;
  const label = payment.isPollingOrder
    ? "Processing payment..."
    : payment.isCreatingOrder
      ? "Creating order..."
      : payment.isPaid
        ? "Thanks for the coffee"
        : "Order and Buy";

  return (
    <>
      <button
        type="button"
        data-analytics-key="tip.checkout"
        data-analytics-label="Buy coffee tip"
        className={styles.checkoutButton}
        disabled={disabled || isLoading}
        onClick={onOrder}
      >
        {label}
      </button>
      {payment.errorMessage ? (
        <p className={styles.checkoutError} role="alert">
          {payment.errorMessage}
        </p>
      ) : null}
      {paymentLaunch.shouldShowEzpayConfirmDialog ? (
        <EzpayRedirectConfirmDialog
          orderId={payment.currentOrderId ?? ""}
          isConfirming={paymentLaunch.isConfirmingEzpay}
          onCancel={paymentLaunch.handleEzpayCancel}
          onConfirm={paymentLaunch.handleEzpayConfirm}
        />
      ) : null}
      {paymentLaunch.shouldShowStripeDialog && paymentLaunch.stripeClientSecret ? (
        <LazyStripePaymentDialog
          clientSecret={paymentLaunch.stripeClientSecret}
          returnPath={returnPath}
          onClose={paymentLaunch.handleStripeClose}
          onConfirmed={paymentLaunch.handleStripeConfirmed}
        />
      ) : null}
    </>
  );
}

interface EzpayRedirectConfirmDialogProps {
  orderId: string;
  isConfirming: boolean;
  onCancel: () => void;
  onConfirm: () => void;
}

function EzpayRedirectConfirmDialog({
  orderId,
  isConfirming,
  onCancel,
  onConfirm,
}: EzpayRedirectConfirmDialogProps) {
  return (
    <div
      className={dialogStyles.overlay}
      role="alertdialog"
      aria-modal="true"
      aria-labelledby="tip-ezpay-redirect-title"
    >
      <div className={dialogStyles.dialog}>
        <div className={dialogStyles.header}>
          <h2 id="tip-ezpay-redirect-title" className={dialogStyles.title}>
            Continue to GCash?
          </h2>
          <p className={dialogStyles.content}>
            Your coffee order is ready. Continue to GCash to finish the
            payment.
          </p>
          <p className={dialogStyles.content}>Order No. {orderId}</p>
        </div>
        <div className={dialogStyles.actions}>
          <button
            type="button"
            className={`${dialogStyles.button} ${dialogStyles.secondary}`}
            disabled={isConfirming}
            onClick={onCancel}
          >
            Cancel
          </button>
          <button
            type="button"
            data-analytics-key="tip.external_checkout"
            data-analytics-label="Continue to external checkout"
            className={`${dialogStyles.button} ${dialogStyles.primary}`}
            disabled={isConfirming}
            onClick={onConfirm}
          >
            {isConfirming ? "Opening..." : "Continue"}
          </button>
        </div>
      </div>
    </div>
  );
}