// ==UserScript==
// @author        Odd
// @description   Automatically calculates the phase of Kreludor from the Lunar Temple.
// @include       /http\:\/\/www\.neopets\.com\/\/?shenkuu\/lunar(?!\/results\.phtml)/
// @name          Lunar Temple Auto-Completer
// @namespace     Odd@Clraik
// @version       1.0
// ==/UserScript==

var DelayMax = 5000;
var DelayMin = 3000;

(function () {

    function getStoredValue(key, defaultValue) {

        var value = localStorage.getItem(key);

        if (value != null) {

            if (typeof value == "string") {

                try { return JSON.parse(value); }
                catch (ex) { }
            }

            return value;
        }

        return defaultValue;
    }

    function setStoredValue(key, value) {

        if (value == null || value === undefined) localStorage.removeItem(key);
        else {

            if (typeof value != "number" && typeof value != "string") value = JSON.stringify(value);

            localStorage.setItem(key, value);
        }
    }

    if (typeof $ == "undefined") $ = unsafeWindow.$;

    var match = ($(".content script:contains(SWFObject)").before("<table id=\"lunarTempleAutoCompleter\" style=\"margin: 0 auto; text-align: center; width: 450px;\"><tr><td><br><b>-Lunar Temple Auto-Completer-</b><br><br></td></tr><tr><td></td></tr><tr><td><table cellpadding=\"0\" cellspacing=\"0\" style=\"margin: 0 auto;\"><tr><td><b>Auto-start:</b></td><td style=\"padding-left: 16px;\"><input id=\"lunarTempleAutoCompleterAutoStart\" style=\"margin: 0;\" type=\"checkbox\"></td></tr></table><br><br></td></tr><tr><td><input id=\"lunarTempleAutoCompleterStartStop\" type=\"button\"><br><br><br><br></td></tr></table>")
        .html())
            .match(/new\x20+swfobject\(\'([^\']+)\'/i);

    var autoStart = (getStoredValue("lunarTemple.autoStart") || false);
    var autoStartCheckbox = $("#lunarTempleAutoCompleterAutoStart")
        .prop("checked", autoStart);
    var completing = (autoStart || getStoredValue("lunarTemple.startOnce", false));
    var options = $("#lunarTempleAutoCompleter > tbody > tr:nth-child(3)");
    var startStop = $("#lunarTempleAutoCompleterStartStop")
        .val(autoStart ? "Stop" : "Start");
    var status = $("#lunarTempleAutoCompleter > tbody > tr:nth-child(2) > td");
    var timeoutID;

    if (completing) options.hide();

    setStoredValue("lunarTemple.startOnce");

    function complete() {

        var form = $(".content form:has(input[name='submitted'][value='false'])")[0];

        if (form) {

            var phase = parseInt(match[1].match(/anglekreludor\=(\d+)/i)[1], 10);

            if ((phase = Math.round((phase > 180) ? ((phase - 157.5) / 22.5) : ((phase + 202.5) / 22.5))) == 17) phase = 1;

            form.phase_choice[(phase - 1)].checked = true;

            status.html("Selecting<br><br><img src=\"http://images.neopets.com/shenkuu/lunar/phases/" + (phase - 1) + ".gif\" style=\"height: 60px; margin-bottom: 4px; width: 60px;\"><br><sub>(Phase " + phase + ")</sub><br><br>");

            timeoutID = setTimeout(function () { form.submit(); }, Math.round((Math.random() * (DelayMax - DelayMin)) + DelayMin));

            return;
        }

        var a = $(".content a[href*='show=puzzle']")[0];

        if (a) {

            if (!autoStart) setStoredValue("lunarTemple.startOnce", true);

            status.html("Accepting challenge...<br><br>");

            timeoutID = setTimeout(function () { a.click(); }, Math.round((Math.random() * (DelayMax - DelayMin)) + DelayMin));

            return;
        }

        reset();

        status.html("Done!<br><br>");
    }

    function reset() {

        completing = false;

        if (timeoutID) {

            clearTimeout(timeoutID);

            timeoutID = null;
        }

        options.show();

        startStop.val("Start");

        status.html("");
    }

    //GreaseMonkey compatible change
    document.getElementById(autoStartCheckbox.attr("id"))
        .addEventListener("change", function () {

            setStoredValue("lunarTemple.autoStart", ((autoStart = autoStartCheckbox.prop("checked")) || null));
        });

    //GreaseMonkey compatible click
    document.getElementById(startStop.attr("id"))
        .addEventListener("click", function () {

            if (completing = !completing) {

                options.hide();

                startStop.val("Stop");

                complete();
            }
            else {

                reset();
            }
        });

    if (completing) complete();
})();