// ==UserScript==
// @name         Price Converter with Tax for Specific Websites
// @namespace    http://tampermonkey.net/
// @version      0.6
// @description  Convert price tags on websites
// @author       Nears
// @match        *://*.newegg.ca/*
// @match        *://*.canadacomputers.com/*
// @grant        none
// @license      MIT
// @downloadURL none
// ==/UserScript==

(async function() {
    'use strict';

    // Define the tax rate
    const TAX_RATE = 0.14975;

    // Fetch the Euro conversion rate
    async function fetchExchangeRate() {
        const requestURL = 'https://api.exchangerate.host/convert?from=CAD&to=EUR';
        const response = await fetch(requestURL);
        const data = await response.json();
        return data.result;
    }

    const CAD_TO_EURO = await fetchExchangeRate();


    // Add CSS block
    const css = `
        .price-container {
            position: relative;
            display: inline-block;
        }
        .price-info {
            display: none;
            position: absolute;
            background-color: #f9f9f9;
            min-width: 160px;
            border: 1px solid #ddd;
            padding: 12px;
            z-index: 1;
        }
        .price-container:hover .price-info {
            display: block;
        }
        .tax-included {
            color: red;
        }
        .base-price {
            color: #666;
        }
        .euro-price {
            color: #4CAF50;
        }
    `;


    const styleElement = document.createElement('style');
    styleElement.textContent = css;
    document.head.appendChild(styleElement);

    // Define the websites and their price tag selectors
    const websites = [
        {
            domain: 'newegg.ca',
            selectors: ['li.price-current', '.goods-price-current'],
            updatePrice: (element) => {
                const strongElement = element.querySelector('strong');
                const supElement = element.querySelector('sup');
                if (strongElement && supElement) {
                    const price = parseFloat(`${strongElement.textContent.replace(',', '')}${supElement.textContent}`);
                    const convertedPrice = convertPrice(price);
                    const euroPrice = convertToEuros(convertedPrice);
                    const priceInfo = `
                        <div class="price-info">
                            <div class="tax-included">Tax included: $${convertedPrice}</div>
                            <div class="euro-price">Euro price: €${euroPrice}</div>
                        </div>
                    `;
                    element.outerHTML = `<div class="price-container">${element.outerHTML}${priceInfo}</div>`;
                }
            }
        },
        {
            domain: 'canadacomputers.com',
            selectors: [
                '.h2-big > strong:nth-child(1)',
                '.text-red d-block mb-0 pq-hdr-product_price line-height',
                '.d-block.mb-0.pq-hdr-product_price.line-height',
                '.text-danger h2 price',
            ],
            updatePrice: (element) => {
                const price = parseFloat(element.textContent.replace('$', '').replace(',', ''));
                const convertedPrice = convertPrice(price);
                const euroPrice = convertToEuros(convertedPrice);
                const priceInfo = `
                    <div class="price-info">
                        <div class="tax-included">Tax included: $${convertedPrice}</div>
                        <div class="euro-price">Euro price: €${euroPrice}</div>
                    </div>
                `;
                element.outerHTML = `<div class="price-container">${element.outerHTML}${priceInfo}</div>`;
            }
        }
    ];

    // Function to convert the price with tax
    function convertPrice(price) {
        const priceWithTax = price * (1 + TAX_RATE);
        return priceWithTax.toFixed(2);
    }

    // Function to convert the price to Euros
    function convertToEuros(price) {
        const priceInEuros = price * CAD_TO_EURO;
        return priceInEuros.toFixed(2);
    }

    // Function to update price tags on the website
    function updatePriceTags(website) {
        website.selectors.forEach(selector => {
            const priceElements = document.querySelectorAll(selector);
            priceElements.forEach(element => {
                website.updatePrice(element);
            });
        });
    }

    // Get the current hostname
    const hostname = window.location.hostname;

    // Update price tags for the matching website
    websites.forEach(website => {
        if (hostname.includes(website.domain)) {
            updatePriceTags(website);
        }
    });
})();