Empik 1.00pln book finder

userscript.js

// ==UserScript==
// @name         Button Clicker and Price Checker
// @namespace    http://tampermonkey.net/
// @version      1.5
// @description  Click buttons and check prices
// @author       You
// @match        *://*/*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    async function waitForButtons(maxWaitTime = 20000) {
        const startTime = Date.now();
        while (Date.now() - startTime < maxWaitTime) {
            const buttons = Array.from(document.querySelectorAll('button')).filter(button => button.textContent.trim() === 'Zarezerwuj w salonie');
            if (buttons.length > 0) {
                return buttons;
            }
            await new Promise(resolve => setTimeout(resolve, 100)); // Wait for 100ms
        }
        return [];
    }

    async function clickButtonsAndCheckPrices() {
        const buttons = await waitForButtons();
        if (buttons.length === 0) {
            return; // No buttons found within the maximum wait time
        }

        for (const button of buttons) {
            button.click();

            const startTime = Date.now();
            let priceSpanFound = false;

            while (Date.now() - startTime < 2000) {
                // Check if the page contains a span with the class 'ta-cac-price' and text contains ','
                const priceSpan = document.querySelector('span.ta-cac-price');
                if (priceSpan && priceSpan.textContent.trim().includes(',')) {
                    priceSpanFound = true;
                    break;
                }
                await new Promise(resolve => setTimeout(resolve, 100)); // Check every 100ms
            }

            if (priceSpanFound) {
                const prices = document.querySelectorAll('span.ta-cac-price');
                for (const price of prices) {
                    const priceText = price.textContent.trim().replace(',', '.');
                    if (parseFloat(priceText) <= 1.00) {
                        alert('Found a price 1,00 or lower!');
                        return; // Stop execution
                    }
                }
            }

            // Close the dialog
            const closeButton = document.querySelector('button.DrawerTitle__btn[data-ta="close-btn"]');
            if (closeButton) {
                closeButton.click();
            }
            await new Promise(resolve => setTimeout(resolve, 100)); // Wait for 100ms
        }

        // Click the 'next page' link and repeat
        const nextPageButton = document.querySelector('a.arrow.next.ta-next-page');
        if (nextPageButton) {
            nextPageButton.click();
            await clickButtonsAndCheckPrices(); // Repeat on the next page
        }
    }

    clickButtonsAndCheckPrices(); // Start the process
})();