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Debrid Media Manager

Add accessible DMM buttons to IMDB, MDBList, AniDB, TraktTV, and Bittorrent sites with magnet links

// ==UserScript==
// @name         Debrid Media Manager
// @namespace    https://debridmediamanager.com
// @version      1.6.2
// @description  Add accessible DMM buttons to IMDB, MDBList, AniDB, TraktTV, and Bittorrent sites with magnet links
// @author       Ben Adrian Sarmiento <[email protected]>
// @license      MIT
// @match        *://*/*
// @grant        none
// ==/UserScript==

(function () {
	"use strict";

	const DMM_HOST = "https://debridmediamanager.com";
	const X_DMM_HOST = "https://x.debridmediamanager.com";
	const SEARCH_BTN_LABEL = "DMM🔎";

	function createButton(text, url) {
		const button = document.createElement("button");
		// button.tabIndex = 0;
		// button.disabled = false;
		button.textContent = text;
		button.style.fontFamily = "'Roboto', sans-serif";
		button.style.marginLeft = "5px";
		button.style.padding = "3px 5px";
		button.style.border = "none";
		button.style.borderRadius = "3px";
		button.style.background = "#00A0B0"; // Teal color
		button.style.color = "#ECF0F1"; // Off-white color
		button.style.cursor = "pointer";
		button.style.transition = "background-color 0.3s, transform 0.1s";

		// Hover effect
		button.onmouseover = function () {
			this.style.background = "#EDC951"; // Yellow color
		};

		// Revert hover effect
		button.onmouseout = function () {
			this.style.background = "#00A0B0"; // Teal color
		};

		// Click effect
		button.onmousedown = function () {
			this.style.transform = "scale(0.95)";
			this.style.background = "#CC333F"; // Dark red color
		};

		// Revert click effect
		button.onmouseup = function () {
			this.style.transform = "scale(1)";
			this.style.background = "#EDC951"; // Yellow color (same as hover effect)
		};

		// Open new tab on click
		button.onclick = (event) => {
			event.preventDefault();
			window.open(url, "_blank");
		};

		return button;
	}

	function createLink(text, url) {
		const link = document.createElement("a");
		link.textContent = text;
		link.href = url;
		link.target = "_blank"; // Opens the link in a new tab
		link.style.display = "inline-block"; // Display as inline-block to style like a button
		link.style.fontFamily = "'Roboto', sans-serif";
		link.style.marginLeft = "5px";
		link.style.padding = "3px 5px";
		link.style.border = "none";
		link.style.borderRadius = "3px";
		link.style.background = "#00A0B0"; // Teal color
		link.style.color = "#ECF0F1"; // Off-white color
		link.style.textDecoration = "none"; // Remove underline from the link
		link.style.cursor = "pointer";

		return link;
	}

	function addButtonToElement(element, text, url) {
		const button = createButton(text, url);
		element.appendChild(button);
	}

	function addLinkToElement(element, text, url) {
		const button = createLink(text, url);
		element.appendChild(button);
	}


    function getInfoHashFromMagnetLink(magnetLink) {
        const urlParams = new URLSearchParams(magnetLink.substring(magnetLink.indexOf('?')));
        const xt = urlParams.get('xt');
        if (xt && xt.startsWith('urn:btih:')) {
            return xt.substring(9); // Remove 'urn:btih:'
        }
        return null;
    }

	// IMDB functions
	function addButtonsToIMDBSingleTitle() {
		const targetElement = document.querySelector(
			"section.ipc-page-background h1 > span"
		);

		if (targetElement && targetElement.hasAttribute("data-dmm-btn-added"))
			return;
		targetElement.setAttribute("data-dmm-btn-added", "true");

		const searchUrl = `${X_DMM_HOST}/${window.location.pathname
			.replaceAll("/", "")
			.substring(5)}`;
		addButtonToElement(targetElement, SEARCH_BTN_LABEL, searchUrl);
	}

	function addButtonsToIMDBList() {
		const items = Array.from(
			document.querySelectorAll(
				".lister-item .lister-item-header, .lister-item .media"
			)
		).filter((item) => !item.hasAttribute("data-dmm-btn-added"));

		items.forEach((item) => {
			item.setAttribute("data-dmm-btn-added", "true");

			let link = item.querySelector('a[href^="/title/"]').href;
			let imdbId = link.match(/tt\d+/)?.[0];
			if (!imdbId) return;
			const searchUrl = `${X_DMM_HOST}/${imdbId}`;

			addButtonToElement(item, SEARCH_BTN_LABEL, searchUrl);
		});

		changeObserver("ul.ipc-metadata-list", addButtonsToIMDBList);
	}

	function addButtonsToIMDBChart() {
		const items = Array.from(document.querySelectorAll(".cli-title")).filter(
			(item) =>
				item.innerText.match(/\d+\./) &&
				!item.hasAttribute("data-dmm-btn-added")
		);

		items.forEach((item) => {
			item.setAttribute("data-dmm-btn-added", "true");

			let link = item.querySelector('a[href^="/title/"]').href;
			let imdbId = link.match(/tt\d+/)?.[0];
			if (!imdbId) return;
			const searchUrl = `${X_DMM_HOST}/${imdbId}`;

			addButtonToElement(item, SEARCH_BTN_LABEL, searchUrl);
		});

		changeObserver("ul.ipc-metadata-list", addButtonsToIMDBChart);
	}

	// MDBList functions
	function addButtonsToMDBListSingleTitle() {
		const targetElement = document.querySelector(
			"#content-desktop-2 > div > div:nth-child(1) > h3"
		);

		if (targetElement && targetElement.hasAttribute("data-dmm-btn-added"))
			return;
		targetElement.setAttribute("data-dmm-btn-added", "true");

		const searchUrl = `${DMM_HOST}${window.location.pathname}`;
		addButtonToElement(targetElement, SEARCH_BTN_LABEL, searchUrl);
	}

	function addButtonsToMDBListSearchResults() {
		const items = Array.from(
			document.querySelectorAll("div.ui.centered.cards > div")
		).filter((item) => !item.hasAttribute("data-dmm-btn-added"));

		items.forEach((item) => {
			item.setAttribute("data-dmm-btn-added", "true");

			const targetElement = item.querySelector("div.header");
			if (targetElement) {
				const url = targetElement.parentElement
					.querySelector("a")
					.href.replace("https://mdblist.com/", "");
				const searchUrl = `${DMM_HOST}/${url}`;
				addButtonToElement(targetElement, SEARCH_BTN_LABEL, searchUrl);
			}
		});

		changeObserver("div.ui.centered.cards", addButtonsToMDBListSearchResults);
	}

	// AniDB functions
	function addButtonsToAniDBSingleTitle() {
		const targetElement = document.querySelector("#layout-main > h1.anime");

		if (targetElement && targetElement.hasAttribute("data-dmm-btn-added"))
			return;
		targetElement.setAttribute("data-dmm-btn-added", "true");

		const searchUrl = `${DMM_HOST}/${window.location.pathname
			.replaceAll("/", "")
			.replace("anime", "anime/anidb-")}`;
		addButtonToElement(targetElement, SEARCH_BTN_LABEL, searchUrl);
	}

	function addButtonsToAniDBAnyPage() {
		const items = Array.from(document.querySelectorAll("a")).filter(
			(item) => item.innerText.trim() && /\/anime\/\d+$/.test(item.href) && !item.hasAttribute("data-dmm-btn-added")
		);

		items.forEach((item) => {
			item.setAttribute("data-dmm-btn-added", "true");

			const searchUrl = `${DMM_HOST}/${item.href
				.replace("https://anidb.net/", "")
				.replaceAll("/", "")
				.replace("anime", "anime/anidb-")}`;

			addButtonToElement(item, SEARCH_BTN_LABEL, searchUrl);
		});
	}

	// TraktTV functions
	function addButtonsToTraktTVSingleTitle() {
		const targetElement = document.querySelector("#summary-wrapper div > h1");

		if (targetElement && targetElement.hasAttribute("data-dmm-btn-added"))
			return;
		// find imdb id in page, <a data-type="imdb">
		const imdbId = document
			.querySelector("a#external-link-imdb")
			?.href?.match(/tt\d+/)?.[0];
		if (!imdbId) return;

		targetElement.setAttribute("data-dmm-btn-added", "true");

		const searchUrl = `${X_DMM_HOST}/${imdbId}`;
		addButtonToElement(targetElement, SEARCH_BTN_LABEL, searchUrl);
	}

	// iCheckMovies functions
	function addButtonsToiCheckMoviesSingleTitle() {
		const imdbId = document
			.querySelector("a.optionIMDB")
			?.href?.match(/tt\d+/)?.[0];
		if (!imdbId) return;

		const targetElement = document.querySelector("#movie > h1");

		if (targetElement && targetElement.hasAttribute("data-dmm-btn-added"))
			return;
		targetElement.setAttribute("data-dmm-btn-added", "true");

		const searchUrl = `${X_DMM_HOST}/${imdbId}`;
		addButtonToElement(targetElement, SEARCH_BTN_LABEL, searchUrl);
	}

	function addButtonsToiCheckMoviesBetaSingleTitle() {
		const imdbId = document
			.querySelector("a.stat-imdb")
			?.href?.match(/tt\d+/)?.[0];
		if (!imdbId) return;

		const targetElement = document.querySelector("h1.title");

		if (targetElement && targetElement.hasAttribute("data-dmm-btn-added"))
			return;
		targetElement.setAttribute("data-dmm-btn-added", "true");

		const searchUrl = `${X_DMM_HOST}/${imdbId}`;
		addLinkToElement(targetElement, SEARCH_BTN_LABEL, searchUrl);
	}

	function addButtonsToiCheckMoviesList() {
		const items = Array.from(
			document.querySelectorAll("ol#itemListMovies > li")
		).filter((item) => !item.hasAttribute("data-dmm-btn-added"));

		items.forEach((item) => {
			const imdbId = item
				.querySelector("a.optionIMDB")
				?.href?.match(/tt\d+/)?.[0];
			if (!imdbId) return;

			const targetElement = item.querySelector("h2 a");
			if (!targetElement) return;

			item.setAttribute("data-dmm-btn-added", "true");

			const searchUrl = `${X_DMM_HOST}/${imdbId}`;
			addButtonToElement(targetElement, SEARCH_BTN_LABEL, searchUrl);
		});
	}

	function addButtonsToiCheckMoviesBetaList() {
		const items = Array.from(
			document.querySelectorAll("div.media-content")
		).filter((item) => !item.hasAttribute("data-dmm-btn-added"));

		items.forEach((item) => {
			const imdbId = item
				.querySelector("a.stat-imdb")
				?.href?.match(/tt\d+/)?.[0];
			if (!imdbId) return;

			const targetElement = item.querySelector("h3.title");
			if (!targetElement) return;

			item.setAttribute("data-dmm-btn-added", "true");

			const searchUrl = `${X_DMM_HOST}/${imdbId}`;
			addButtonToElement(targetElement, SEARCH_BTN_LABEL, searchUrl);
		});

		changeObserver(
			"#app section.section div.columns",
			addButtonsToiCheckMoviesBetaList
		);
	}

	// letterboxd functions
	function addButtonsToLetterboxdSingleTitle() {
		const imdbId = document
			.querySelector("a[data-track-action='IMDb']")
			?.href?.match(/tt\d+/)?.[0];
		if (!imdbId) return;

		const targetElement = document.querySelector("h1.filmtitle");

		if (targetElement && targetElement.hasAttribute("data-dmm-btn-added"))
			return;
		targetElement.setAttribute("data-dmm-btn-added", "true");

		const searchUrl = `${X_DMM_HOST}/${imdbId}`;
		addButtonToElement(targetElement, SEARCH_BTN_LABEL, searchUrl);
	}

	// observer utility function
	function changeObserver(cssSelector, addBtnFn) {
		const targetNode = document.querySelector(cssSelector);
		if (!targetNode) return;
		const config = { childList: true, subtree: true };
		let debounceTimer;
		const callback = function (mutationsList, observer) {
			if (debounceTimer) {
				clearTimeout(debounceTimer);
			}
			debounceTimer = setTimeout(() => {
				// if (!targetNode) return;
				observer.disconnect();
				addBtnFn();
				observer.observe(targetNode, config);
			}, 250);
		};
		const observer = new MutationObserver(callback);
		observer.observe(targetNode, config);
	}

	function addMagnetLinkButtonToElements(elements) {
		elements.forEach(function(link) {
			const magnetURL = link.href;
			const infoHash = getInfoHashFromMagnetLink(magnetURL);
			if (infoHash) {
				const buttonURL = `https://debridmediamanager.com/library?addMagnet=${infoHash}`;
				const button = createButton("DMM🧲", buttonURL);
				link.parentNode.insertBefore(button, link.nextSibling);
			}
		});
	}

	// Main function

	const magnetLinks = document.querySelectorAll('a[href^="magnet:?"]');
	addMagnetLinkButtonToElements(magnetLinks);

	const hostname = window.location.hostname;

	///// IMDB /////
	if (hostname === "www.imdb.com") {
		const isIMDBSingleTitlePage = /^\/title\//.test(location.pathname);
		const isIMDBListPage =
			/^\/search\//.test(location.pathname) ||
			/^\/list\/ls/.test(location.pathname);
		const isIMDBChartPage = /^\/chart\//.test(location.pathname);

		if (isIMDBSingleTitlePage) {
			addButtonsToIMDBSingleTitle();
		} else if (isIMDBListPage) {
			addButtonsToIMDBList();
		} else if (isIMDBChartPage) {
			addButtonsToIMDBChart();
		}

		///// IMDB MOBILE /////
	} else if (hostname === "m.imdb.com") {
		const isIMDBSingleTitlePage = /^\/title\//.test(location.pathname);
		const isIMDBListPage =
			/^\/search\//.test(location.pathname) ||
			/^\/list\/ls/.test(location.pathname);
		const isIMDBChartPage = /^\/chart\//.test(location.pathname);

		if (isIMDBSingleTitlePage) {
			addButtonsToIMDBSingleTitle();
		} else if (isIMDBListPage) {
			addButtonsToIMDBList();
		} else if (isIMDBChartPage) {
			addButtonsToIMDBChart();
		}

		///// MDBLIST /////
	} else if (hostname === "mdblist.com") {
		const isMDBListSingleTitlePage = /^\/(movie|show)\//.test(
			location.pathname
		);

		if (isMDBListSingleTitlePage) {
			addButtonsToMDBListSingleTitle();
		} else {
			addButtonsToMDBListSearchResults();
		}

		///// ANIDB /////
	} else if (hostname === "anidb.net") {
		const isAniDBSingleTitlePage = /^\/anime\/\d+/.test(location.pathname);

		if (isAniDBSingleTitlePage) {
			addButtonsToAniDBSingleTitle();
		}
		addButtonsToAniDBAnyPage();

		///// TRAKT TV /////
	} else if (hostname === "trakt.tv") {
		const isTraktTVEpisodePage = /\/episodes\/\d/.test(location.pathname);
		if (isTraktTVEpisodePage) return;

		const isTraktTVSinglePage = /^\/(shows|movies)\/.+/.test(location.pathname);

		if (isTraktTVSinglePage) {
			addButtonsToTraktTVSingleTitle();
		}

		///// ICHECKMOVIES /////
	} else if (hostname === "www.icheckmovies.com") {
		const isiCheckMoviesListPage = /^\/lists\//.test(location.pathname);
		if (isiCheckMoviesListPage) {
			addButtonsToiCheckMoviesList();
		}
		const isiCheckMoviesSingleTitlePage = /^\/movies\//.test(location.pathname);
		if (isiCheckMoviesSingleTitlePage) {
			addButtonsToiCheckMoviesSingleTitle();
		}
	} else if (hostname === "beta.icheckmovies.com") {
		const isiCheckMoviesListPage = /^\/lists\//.test(location.pathname);
		if (isiCheckMoviesListPage) {
			addButtonsToiCheckMoviesBetaList();
		}
		const isiCheckMoviesSingleTitlePage = /^\/movies\//.test(location.pathname);
		if (isiCheckMoviesSingleTitlePage) {
			addButtonsToiCheckMoviesBetaSingleTitle();
		}

		///// MYANIMELIST /////
	} else if (hostname === "myanimelist.net") {
		///// KITSU /////
	} else if (hostname === "kitsu.io") {

		///// LETTERBOXD /////
	} else if (hostname === "letterboxd.com") {
		const isLetterboxdSingleTitlePage = /^\/film\//.test(location.pathname);
		if (isLetterboxdSingleTitlePage) {
			addButtonsToLetterboxdSingleTitle();
		}

		///// JUSTWATCH /////
	} else if (hostname === "www.justwatch.com") {
		///// TVDB /////
	} else if (hostname === "www.thetvdb.com") {
		///// TMDB /////
	} else if (hostname === "www.themoviedb.org") {
	}
})();

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