// ==UserScript==
// @name        UnDuckButton
// @namespace   Violentmonkey Scripts
// @match       https://duckduckgo.com/*
// @grant       none
// @version     0.2
// @author      noarch
// @description Buttons that redirect DuckDuckGo searches to other search engines.
// @license     WTFPL

// @downloadURL none
// ==/UserScript==


// Searx instances from https://searx.neocities.org/nojs.html
// Updated 2021-01-15
var searxes = [
    "https://searx.ir/?q=",
    "https://search.stinpriza.org/?q=",
    "https://search.privacytools.io/searx/?q=",
    "https://search.azkware.net/?q=",
    "https://searx.openpandora.org/?q=",
    "https://trovu.komun.org/?q=",
    "https://searx.nakhan.net/?q=",
    "https://searx.nixnet.services/?q=",
    "https://searx.libmail.eu/?q=",
    "https://searx.elukerio.org/?q=",
    "https://searx.info/?q=",
    "https://searx.foo.li/?q="
];
var randomSearx = searxes[Math.floor(Math.random() * searxes.length)];

// Add more search engines here
var searchEngines = {
    "Bing": "https://www.bing.com/search?q=",
    "Google": "https://www.google.com/search?q=",
    "Random Searx": randomSearx,
  	"Startpage": "https://startpage.com/sp/search?query="
};

function getSearchQuery() {
    var input = document.getElementById("search_form_input").value;
    var inputEncoded = encodeURIComponent(input);

    return inputEncoded;
}

function addButton(text, href) {
    var btn = document.createElement("button");
    btn.innerHTML = text;
    btn.onclick = function() {
		window.location = href;
    };

    return btn;
}

function main() {
    // Create styles for the <div> containing the buttons
    var styles = ".redirectors {display: block; margin: 60px auto auto auto;  right: 4px; position: absolute; bottom: 0; top: 0;}";
    var styleSheet = document.createElement("style");
    styleSheet.type = "text/css";
    styleSheet.innerText = styles;

  	searchQuery = getSearchQuery(); // Failing here (if not on a result page) is fine, and intended

    var div = document.createElement("div");
    div.classList.add("redirectors");

    for (var searchEngine in searchEngines) {
        href = searchEngines[searchEngine] + searchQuery;
       div.appendChild(addButton(searchEngine, href));
    }

    document.head.appendChild(styleSheet);
    document.getElementById("header_wrapper").appendChild(div);
}

main();