// ==UserScript==
// @name               F-Droid.org: F-Droid Supplemental! 
// @namespace          a-pav
// @description        Adds links to Google Play, F-Droid Archive (by IzzySoft) and Izzy Repo for the packages.
// @description        Adds required android version and last update date of app to top of page.
// @description        Press '/' to trigger search and more..
// @match              *://f-droid.org/*
// @version            1.0
// @run-at             document-end
// @author             a-pav
// @grant              none
// @icon               https://f-droid.org/assets/favicon-32x32.png
// @downloadURL none
// ==/UserScript==

// Set search input shortcut key
function setSearchShortcut() {
	var searchInput = document.querySelector("div.search-input-wrp>input");
	if (!searchInput) {
		return
	}

	searchInput.setAttribute("title", " press key  /  to search ");
	searchInput.setAttribute("placeholder", " / ");

	window.addEventListener('keyup', function(e) {
		if (e.key === "/") { // or e.which: 191
			searchInput.focus();
		} else if (e.key === "Escape") { // or e.which: 27
			searchInput.blur();
		}
	});
}

// Set Info-Title (i.e. Required OS version, last pakckage update date)
function setInfoTitle() {
	const infoTitleID = "info-title-summary";
	var requiredOS = document.getElementsByClassName("package-version-requirement")[0].innerText.replace(/.*requires /, "");
	var lastUpdated = document.getElementsByClassName("package-version-header")[0].innerText.replace(/.*Added on /, "");

	var style = `
		padding: 10px 0 0px 7px;
		border-left-style: groove;
		font-family: 'Roboto';
		font-weight: bolder;
		cursor: pointer;
	`;
	document.querySelector("div.package-title").innerHTML += `
	  <div id="${infoTitleID}" title="Go to Downloads" class="package-summary" style="${style}">
		// ${requiredOS}
		<br>
		// Update: ${lastUpdated}
	  </div>
	`;

	document.getElementById(infoTitleID).addEventListener('click', function() {
		document.getElementById("latest").scrollIntoView({behavior: "smooth"});
	});
}

// Set additional links
function setAdditionalLinks() {
	var packageID = window.location.pathname.replace(/.*\/packages\//, "").split("/")[0];

	document.querySelector('ul.package-links').innerHTML += `
		<li class="package-link">
		  <a style="font-weight: bold;" href="https://apt.izzysoft.de/fdroid/index/apk/${packageID}?repo=archive">
			Archive
		  </a>
		</li>
		<li class="package-link">
		  <a style="font-weight: bold;" href="https://apt.izzysoft.de/fdroid/index/apk/${packageID}">
			Izzy Repo
		  </a>
		</li>
		<li class="package-link">
		  <a style="font-weight: bold;" href="https://play.google.com/store/apps/details?id=${packageID}">
			Google Play
		  </a>
		</li>
	`;
}

// Colapse permissions summary initially
function collapsePerms() {
	document.getElementById("latest").querySelector(".package-version-permissions>details").removeAttribute("open");
}

(function () {
	setSearchShortcut();
	if (window.location.pathname.includes("/packages/")) {
		// visiting package page, then:
		setInfoTitle();
		setAdditionalLinks();
		collapsePerms();
	}
}());