javascript:(function() {

function copyToClipboard(text) {
    if (window.clipboardData && window.clipboardData.setData) {
        /*IE specific code path to prevent textarea being shown while dialog is visible.*/
        return clipboardData.setData("Text", text); 

    } else if (document.queryCommandSupported && document.queryCommandSupported("copy")) {
        var textarea = document.createElement("textarea");
        textarea.textContent = text;
        textarea.style.position = "fixed";  /* Prevent scrolling to bottom of page in MS Edge.*/
        document.body.appendChild(textarea);
        textarea.select();
        try {
            return document.execCommand("copy");  /* Security exception may be thrown by some browsers.*/
        } catch (ex) {
            console.warn("Copy to clipboard failed.", ex);
            return false;
        } finally {
            document.body.removeChild(textarea);
        }
    }
}

var markdown = "";

if (window.location.href.startsWith("https://twitter.com")) {
	linebreaker = /\n+/gi;
	markdown = '[' + document.querySelector('meta[property="og:description"]').content.replaceAll(linebreaker, " ") + '](' + window.location.href + ')';
	re = /twitter.com\/(\S+)\/status/i;
	user = window.location.href.match(re)[1];

	markdown = `${markdown} - [[@${user}]] [[fav-tweets]]`;
} else if (window.location.href.startsWith("https://github.com")) {
	markdown = '[' + document.querySelector('meta[property="og:title"]').content + '](' + window.location.href + ')';
	markdown = `${markdown} #repo`
} else {
	//markdown = `TODO [${document.title}](${window.location.href}) #readlater`;
	markdown = `[${document.title}](${window.location.href})`;
}

console.log(markdown);

var selection = window.getSelection().toString();
if (selection.length != 0) {
    selection = '\n' + selection;
}
copyToClipboard(markdown + selection);
})();