// ==UserScript==
// @name        Send Skype Credit+
// @namespace   V@no
// @author      V@no
// @description Speed up process sending skype credit: removed animation and remembering settings for each person.
// @include     https://secure.skype.com/send-credit
// @version     1.2.2
// @license     MIT
// @grant       none
// @downloadURL none
// ==/UserScript==

var log = console.log.bind(console),
		listDefault = [2, 1],
		list = {},
		prevId,
		noAuto,
		running,
		observer = new MutationObserver(function(mutations, observer)
		{
			if (running || noAuto)
				return;

			running = true;
			let f,i = 1;
			for(let f in func)
			{
				func[f]();
			}
			prevId = list.n;
			running = false;
		}),
		func = {
//input username
			func1: function func1()
			{
				let qf = $$("quickFilterInput"),
						oe = $$("searchOptions"),
						ih = document.querySelector("div.input-holder"),
						bh = $$("clearFilterInput");

				function click(e)
				{
					if (!e.isTrusted)
						return;

					noAuto = true;
					if (e.target.id == "clearFilterInput" || e.target.parentNode.id == "clearFilterInput")
					{
						list.n = "";
						save();
					}
				}

				if (oe && !oe._inited)
				{
					oe.addEventListener("mousedown", function(e)
					{
						if (!e.isTrusted)
							return;

						let id = getId(e.target);
						if (!id)
							return;

						list.n = id;
						if (!list[id])
							list[id] = listDefault.clone();

						save();
						prevId = null;
						noAuto = false;
					}, true);
					oe._inited = true;
				}

				if (ih && !ih._inited)
				{
					ih.addEventListener("click", click, true);
					ih._inited = true;
				}

				if (bh && !bh._inited)
				{
					bh.addEventListener("click", click, true);
					bh._inited = true;
				}

				if (qf && !qf._inited)
				{

					if (!noAuto && qf.value == "")
					{
						qf.value = list.n;
						qf.dispatchEvent(new KeyboardEvent('keydown',{'key':'Shift'}));
					}
					qf._inited = true;
				}
			},//func1()

//pick user from list
			func2: function func2()
			{
				let obj = $$("contactListId-" + list.n);

				if (!obj || !list[list.n])
					return;

				obj.dispatchEvent(new MouseEvent('mousedown',{'button':0}));
			},//func2()

//select amount
			func3: function func3()
			{
				let obj = $$("offer-selection");

				if (!obj || obj._inited || !obj.children.length || !list[list.n])
					return;

				if (list[list.n][0] < 0 || list[list.n][0] > obj.children.length - 1)
					list[list.n][0] = obj.children.length - 1;

			//log(list[list.n]);
				try
				{
					obj.children[list[list.n][0]].click();
				}
				catch(e)
				{
			console.error(e);
			log(list[list.n]);
				}
				obj.addEventListener("click", function(e)
				{
					if (!e.isTrusted)
						return;

					let c = findParent(e.target, obj),
							i = -1;

					if (c === null)
						return;

					while(obj.children[++i] != c);
					if (!list[list.n])
						return;

					list[list.n][0] = i;
					save();
				}, true);
				obj._inited = true;
			},//func3()

//select design
			func4: function func4()
			{
				let obj = document.querySelector(".form-area.gift-card-holder");

				if (!obj || !list[list.n])
					return;

				if (!obj._inited)
				{
					if (!obj.children.length)
						return setTimeout(arguments.callee);

					let cb = document.createElement("input"),
							box = document.createElement("label"),
							r, //previous random index
							p = {
								get s(){return list[list.n]},
								get m(){return obj.children.length - 1},
								get i(){return Math.min(this.m, Math.max((this.s[1] >> 1) - 1, 0))},
								set i(d){this.s[1] = (this.s[1] & 1) | (++d << 1)},
								get r(){return this.s[1] & 1 ? true : false},
								set r(d)
								{
									if (d)
										this.s[1] |= 1;
									else
										this.s[1] &= ~1;
								}
							},
//s = true: don't all current index get selected again
							sel = function (s)
							{
								let i = p.i;
								if (cb.checked)
								{
									let n = i;
									if (!s)
										n = r;

									while((i = rand(0, p.m)) == n || i == r);
									r = i;
					//				i = rand(0, p.m);
								}
								if (obj.children[i])
									obj.children[i].click();
							};

					cb.type = "checkbox";
					cb.checked = p.r;
					cb.addEventListener("change", function(e)
					{
						p.r = cb.checked;
						sel();
					}, false);
					sel();
					box.appendChild(cb);
					box.appendChild(document.createTextNode("Random"));
					obj.parentNode.insertBefore(box, obj);
					obj.addEventListener("click", function(e)
					{
						if (!e.isTrusted && cb.checked)
						{
							p.r = true;
						}
						else
						{
							let c = findParent(e.target, obj),
									i = -1;

							if (c === null)
								return;

							while(obj.children[++i] != c);
							p.i = i;
							p.r = cb.checked = false;
						}
						save();
					}, true);
					obj._inited = true;
				}
			},//func4()

//click confirm
			func5: function func5()
			{
				let obj = $$("send-money");

				if (!obj)
					return;

				if (!obj._inited || prevId != list.n)
				{
					setTimeout(function()
					{
						obj.scrollIntoView(false);
					}, 300);
					obj._inited = true;
				}
			//	obj.click();
			}//func5()
		};//func

function $$(o)
{
	return document.getElementById(o);
}

function ls(id, data, stringify)
{
	let r;
	if (typeof(data) == "undefined")
	{
		r = localStorage.getItem(id);
		try
		{
			r = JSON.parse(r);
		}
		catch(e)
		{
			log(e);
			log([id, data, r]);
		}
		return r;
	}

	if (typeof(stringify) == "undefined" || stringify)
		data = JSON.stringify(data);

	r = localStorage.setItem(id, data);
	return r;
}

function rand(min, max)
{
	return Math.floor(Math.random() * (max - min + 1)) + min;
}

function load()
{
	let l = ls("last"),
			r = listDefault.clone();

	if (!l || typeof(l) != "object")
		l = {};

	if (!l.n)
		l.n = "";

	if (!l[l.n])
		return l;

	for (let m in l)
	{
		if (m == "n")
			continue;

		let d = l[m];
		if (Array.isArray(d))
		{
			for(let i = 0; i < r.length; i++)
			{
				if (typeof(d[i]) == typeof(r[i]))
					r[i] = d[i];
			}
			l[m] = d;
		}
		else
			l[m] = r;
	}
	return l;
}

function save()
{
	ls("last", list);
}

function getId(o)
{
	if (!o)
		return;

	if(!o.id || !o.id.match("contactListId-"))
		return getId(o.parentNode);

	return o.id.replace("contactListId-", "");
}

function findParent(obj, parent)
{
	if (!obj || !parent || obj == parent)
		return null;

	if (obj.parentNode == parent)
		return obj;

	return findParent(obj.parentNode, parent);
}

!function init()
{
	Object.defineProperty(Object.prototype, "clone", {
		value: function()
		{
			return Object.assign({}, this);
		}
	});

	Object.defineProperty(Array.prototype, "clone", {
		value: function()
		{
			return Object.assign([], this);
		}
	});

	if ($ && $.fn)
	{
		$.fn.animate = function(){};
	}
	list = load();
	observer.observe($$("container"), {
		subtree: true,
		childList: true
	});
	return true;
}()

//css
let css = document.createElement("style");
css.innerHTML = `
.offer-item
{
	height: unset;
	padding-top: 5px;
	padding-bottom: 5px;
}
.gift-card-span
{
	max-width: 22%;
	left: unset !important;
	right: unset !important;
	margin-top: unset;
}
.offers-footer,
.content-wrapper,
#amount-selector > div.row
{
	padding: 10px;
}
.gift-card-holder
{
	margin-top: 0.2em;
}

#design-selector > h3
{
	display: inline-block;
}
#design-selector > label
{
	float: right;
	line-height: initial;
	margin: 0;
	padding: 0;
	color: initial;
	font-weight: initial;
	width: initial;
	-webkit-user-select: none;
	-moz-user-select: none;
	-ms-user-select: none;
	user-select: none;
}
#design-selector > label,
#design-selector > label > input
{
	cursor: pointer;
}
#design-selector > label > input
{
	-webkit-appearance: checkbox;
}
`;
document.head.appendChild(css);