// ==UserScript==
// @name          Prime Video Sólo Contenido Gratuito [ESP]
// @namespace     http://tampermonkey.net/
// @version       0.2.1
// @description   Oculta las secciones de compra o alquiler en la portada de Amazon Prime Video España.
// @author        Jeau
// @license       MIT
// @match         https://*.primevideo.com/
// @match         https://*.primevideo.com/storefront/*
// @match         https://*.primevideo.com/genre/*
// @icon          https://m.media-amazon.com/images/G/01/digital/video/DVUI/favicons/favicon-32x32.png
// @require       https://code.jquery.com/jquery-latest.min.js
// @grant         none
// @downloadURL none
// ==/UserScript==

(function() {
    'use strict';

    // Script won't work on 'store' pages
    if (location.href.includes('contentId=store')) {
        return;
    }

    var regularClass;
    var subscriptionClass;

    // Find the name of the regular Carousel Titles Class
    $('span[data-automation-id="carousel-title"]').each(function() {
        let classes = $(this).attr('class');
        if (classes != "" && classes.split(' ').length == 1) {
            regularClass = $(this).attr('class');
            return false;
        }
    });

    // Find the name of subscription Carousel Titles Class
    $('span[data-automation-id="carousel-title"]').each(function() {
        let classes = $(this).attr('class');
        if (classes != "" && classes.split(' ').length == 2 && classes.includes(regularClass)) {
            let classesArr = classes.split(' ');
            for (let i = 0; i <= classesArr.length; i++) {
                if (classesArr[i] != regularClass && !subscriptionClass) {
                    subscriptionClass = classesArr[i];
                }
            }
            return false;
        }
    });

    // Look for Subscription Classes and hide every carousel with it
    if (subscriptionClass) {
        $('span[data-automation-id="carousel-title"].' + subscriptionClass).each(function() {
            let carousel = this.closest('section').closest('div[class]');
            $(carousel).parent().remove();
        });
    }

    // Dinamically check any new node added to the webpage
    function checkNewNode(n) {
        // Hide subscription carousels
        if (n.tagName == 'DIV') {
            if ($(n).find('span[data-automation-id="carousel-title"].' + subscriptionClass).length) {
                $(n).find('span[data-automation-id="carousel-title"].' + subscriptionClass).each(function() {
                    let carousel = this.closest('section').closest('div[class]');
                    $(carousel).parent().remove();
                });
            }
        }

        // Hide subscription cards from "New on shopping" section
        if (n.tagName == 'SECTION') {
            if ($(n).find('span[data-testid="unentitled-icon"]').length) {
                let subIcon = $(n).find('span[data-testid="unentitled-icon"]')[0];
                if ($(subIcon).closest('section[data-testid="cover-container"]').length) {
                    $(subIcon).closest('section[data-testid="cover-container"]').remove();
                }
            }
        }
    }

    // Declaration of Mutation observer
    let observer = new MutationObserver((mutations) => {
        for (const { addedNodes } of mutations) {
            for (const n of addedNodes) {
                if (n.tagName) {
                    checkNewNode(n);
                }
            }
        }
    });

    observer.observe(document, {
        subtree: true,
        childList: true,
        characterData: false
    });

})();