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Price Update with VAT and Period (Livewire Support)

Updates the price display with VAT based on selected period and supports Livewire updates

Verze ze dne 18. 11. 2024. Zobrazit nejnovější verzi.

// ==UserScript==
// @name         Price Update with VAT and Period (Livewire Support)
// @namespace    http://tampermonkey.net/
// @version      0.8
// @description  Updates the price display with VAT based on selected period and supports Livewire updates
// @author       baluzs
// @match        https://atw.hu/*
// @grant        none
// @license MIT
// ==/UserScript==

(function() {
    'use strict';

    const VAT_RATE = 0.27; // VAT rate
    let debounceTimer;

    function updatePrices() {
        const selectedPeriod = document.querySelector('input[name="package_period"]:checked')?.value || 1;
        console.log("Selected period: " + selectedPeriod);

        const priceBoxes = document.querySelectorAll('.price-box');
        if (priceBoxes.length === 0) {
            console.log('No price boxes found.');
            return;
        }

        priceBoxes.forEach((priceBox) => {
            const priceElement = priceBox.querySelector('.text-3xl');
            const detailsElement = priceBox.querySelector('div:not(.text-3xl)');

            if (priceElement && detailsElement) {
                const originalPriceText = priceElement.textContent.trim().replace(/\s+/g, '').replace(/[^\d]/g, '');
                const originalPrice = parseInt(originalPriceText, 10);

                if (!isNaN(originalPrice) && originalPrice > 0) {
                    let adjustedPrice = originalPrice;
                    if (selectedPeriod == 3) {
                        adjustedPrice = Math.round(originalPrice * 3);
                    } else if (selectedPeriod == 12) {
                        adjustedPrice = Math.round(originalPrice * 12);
                    }

                    const priceWithVAT = Math.round(adjustedPrice * (1 + VAT_RATE));
                    priceElement.textContent = `${priceWithVAT} Ft`;
                    detailsElement.textContent = `${adjustedPrice} Ft + ÁFA / ${selectedPeriod} hónap`;
                }
            }
        });
    }

    function attachPeriodChangeListeners() {
        const radioButtons = document.querySelectorAll('input[name="package_period"]');
        radioButtons.forEach((radioButton) => {
            radioButton.removeEventListener('change', updatePrices);
            radioButton.addEventListener('change', updatePrices);
        });
    }

    function observeDynamicChanges() {
        const targetNode = document.body;
        const config = { childList: true, subtree: true };

        const callback = (mutationsList) => {
            // Only proceed if the mutation involves price or period changes
            if (mutationsList.some((mutation) =>
                Array.from(mutation.addedNodes).some(node =>
                    node.querySelector?.('.price-box') || node.querySelector?.('input[name="package_period"]')
                )
            )) {
                if (debounceTimer) clearTimeout(debounceTimer);
                debounceTimer = setTimeout(() => {
                    console.log("DOM changed, updating prices and listeners...");
                    attachPeriodChangeListeners();
                    updatePrices();
                }, 500); // Adjust debounce delay as needed
            }
        };

        const observer = new MutationObserver(callback);
        observer.observe(targetNode, config);
    }

    function livewireListener() {
        Livewire.on('modalUpdated', () => {
            console.log("Livewire modal updated");
            updatePrices();
            attachPeriodChangeListeners();
        });

        Livewire.hook('message.processed', () => {
            console.log("Livewire message processed");
            updatePrices();
            attachPeriodChangeListeners();
        });
    }

    window.addEventListener('load', () => {
        console.log("Page loaded");
        updatePrices();
        attachPeriodChangeListeners();
        livewireListener();
        observeDynamicChanges(); // Observe changes in DOM
    });

    setTimeout(() => {
        console.log("Backup price update");
        updatePrices();
        attachPeriodChangeListeners();
    }, 2000);

})();