// This code was written by Tyler Akins and has been placed in the
// public domain.  It would be nice if you left this header intact.
// Base64 code from Tyler Akins -- http://rumkin.com

var keyStr = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
var ROOTDIR = location.href;
var ROOTDIRarr = ROOTDIR.split("?");
ROOTDIR = ROOTDIRarr[0];

function encode64(input) {
   var output = "";
   var chr1, chr2, chr3;
   var enc1, enc2, enc3, enc4;
   var i = 0;

   do {
      chr1 = input.charCodeAt(i++);
      chr2 = input.charCodeAt(i++);
      chr3 = input.charCodeAt(i++);

      enc1 = chr1 >> 2;
      enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
      enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
      enc4 = chr3 & 63;

      if (isNaN(chr2)) {
         enc3 = enc4 = 64;
      } else if (isNaN(chr3)) {
         enc4 = 64;
      }

      output = output + keyStr.charAt(enc1) + keyStr.charAt(enc2) + 
         keyStr.charAt(enc3) + keyStr.charAt(enc4);
   } while (i < input.length);
   
   return output;
}

function decode64(input) {
   var output = "";
   var chr1, chr2, chr3;
   var enc1, enc2, enc3, enc4;
   var i = 0;

   // remove all characters that are not A-Z, a-z, 0-9, +, /, or =
   input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");

   do {
      enc1 = keyStr.indexOf(input.charAt(i++));
      enc2 = keyStr.indexOf(input.charAt(i++));
      enc3 = keyStr.indexOf(input.charAt(i++));
      enc4 = keyStr.indexOf(input.charAt(i++));

      chr1 = (enc1 << 2) | (enc2 >> 4);
      chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
      chr3 = ((enc3 & 3) << 6) | enc4;

      output = output + String.fromCharCode(chr1);

      if (enc3 != 64) {
         output = output + String.fromCharCode(chr2);
      }
      if (enc4 != 64) {
         output = output + String.fromCharCode(chr3);
      }
   } while (i < input.length);

   return output;
}

function validateLogin() {
	var username = document.getElementById("username").value;
	var password = document.getElementById("password").value;
	
	if (username && password) {
		document.getElementById("creds").value = encode64(username + ":" + password);
		document.getElementById("username").value = "";
		document.getElementById("password").value = "";
		return true;
	} else if (!username) {
		if (!password) {
			document.getElementById("errorMsg").innerHTML = "<h3>Please fill in the Username and the Password.</h3>";
			return false;
		} else {
			document.getElementById("errorMsg").innerHTML = "<h3>Please fill in the Username.</h3>";
			return false;
		}
	}
	if (!password) {
		document.getElementById("errorMsg").innerHTML = "<h3>Please fill in the Password.</h3>";
		return false;
	}
	document.write("<h3>this should be impossible... check out printLoginJavascript function</h3>");
	return false;
}

function updateAnnouceText() {
	var toUpdate = document.getElementById("announceText");
	toUpdate.innerHTML = ' "Hitting snooze on @' + document.getElementById("toSnooze").value + '. You can hit snooze too at ' + ROOTDIR + ' " ';
}

function toggleDetails() {
	if(document.getElementById("dets").style.display == "") {
		document.getElementById("dets").style.display = "none";
		document.getElementById("toggle").innerHTML = "[+] The Details...";
	}
	else {
		document.getElementById("dets").style.display = "";
		document.getElementById("toggle").innerHTML = "[-] The Details...";
	}
}

function toggleMsgHide() {
	if(!document.getElementById("announce").checked) 
		document.getElementById("announceTextOuter").style.display = "none";
	else
		document.getElementById("announceTextOuter").style.display = "";
}
