// ==UserScript==
// @name        FastRecall
// @namespace   FastRecallNamespace
// @author      [TSN]Kanly
// @include     *.ogame.gameforge.com/game/*
// @require     http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js
// @description FastRecall for Ogame: Allows you to recall fleets from the  events list drop down bar
// @version     1.1
// @downloadURL none
// ==/UserScript==

var scriptFunc = (function() {
var Recall = {
    getMovement: true,
    pendingMovement: false,
    availableMovements: [],
    currentPage: "",
    universeFull: "",

    init: function() {
        var observer = new MutationObserver(Recall.initAppendRecall);
        var target = document.getElementById('eventboxContent');

        Recall.universeFull = document.getElementsByName("ogame-universe")[0].content;
        Recall.currentPage = (window.location+"").match(/page=[^&]+((?=&)|(?=#)|)/g)[0].replace("page=", "");

        /* Disable FastRecall on fleet1/2/3 and movement pages */
        if (Recall.currentPage !== "movement" &&
            Recall.currentPage !== "fleet1" &&
            Recall.currentPage !== "fleet2" &&
            Recall.currentPage !== "fleet3") {

            observer.observe(target, {childList: true});

            /* If events are not hidden (Options->Display->Always show events */
            if ($('table#eventContent').exists()) {
                Recall.initAppendRecall();
            }
        }
    },

    initAppendRecall: function(mutations) {
        if ($('table#eventContent').exists()) {
            /* Get the "fleet movement" page information only once - when the fleets eventbox is showen for the first time */
            if (Recall.getMovement === true && Recall.pendingMovement === false) {
                Recall.pendingMovement = true;
                Recall.getFleetMovement();
            }
            else if (Recall.getMovement === false) {
                Recall.doAppendRecall();
            }
        }
    },

    doAppendRecall: function() {
        if ($('table#eventContent').exists()) {
            Recall.appendEventlistReload();

            $('table#eventContent tr[data-return-flight="false"]').each(function() {
                var row = $(this);
                var isFriendly = row.find('.countDown.friendly').exists();

                if (isFriendly === true) {
                    var info = {};
                    info.arrivalTime = row.attr('data-arrival-time');
                    info.originPosStr = row.find('.coordsOrigin').text().trim();
                    info.destinationPosStr = row.find('.destCoords').text().trim();

                    var returnId = Recall.matchEventWithMovement(info);
                    if (returnId !== "")
                        row.append('<td><a class="oaf_recall_icon icon_link" oaf_recall_id='+returnId+'></a></td>');
                }
            });

            $('.oaf_recall_icon').click(function(){
                var recallId = $(this).attr('oaf_recall_id');
                var url = 'http://'+Recall.universeFull+'/game/index.php?page=movement&return='+recallId;
                var host = Recall.universeFull;
                var ref = 'http://'+Recall.universeFull+'/game/index.php?page=movement';

                Recall.sendRequest({
                    method: 'GET',
                    url: url,
                    host: host,
                    acc: '*/*',
                    ref: ref,
                    onloadFun: function(){$('#eventHeader .icon_reload').click();}
                });
            });
        }
    },

    appendEventlistReload: function() {
        if (!window.AGO && $('#eventHeader .icon_reload.recall_eventlist_reload').exists() === false) {
            //alert(!unsafeWindow.AGO);
            $('#eventHeader').prepend('<a href="javascript:void(0)"><span class="icon icon_reload recall_eventlist_reload"></span></a>').click(function(){
                $.get("/game/index.php?page=eventList&ajax=1", function (a) { $("#eventboxContent").html(a);});
            });
        }
    },

    getFleetMovement: function() {
        /* Get the "fleet movement" page information; should be called only once */
        var url = 'http://'+Recall.universeFull+'/game/index.php?page=movement';
        var host = Recall.universeFull;
        var ref = 'http://'+Recall.universeFull+'/game/index.php?page='+Recall.currentPage;

        Recall.sendRequest({
            method: 'GET',
            url: url,
            host: host,
            acc: '*/*',
            ref: ref,
            onloadFun: Recall.parseFleetMovement
        });
    },

    parseFleetMovement: function(html) {
        /* get own fleet flights except returning ones */
        var page = $(html);
        page.find('.fleetDetails[data-return-flight="false"]').each(function() {
            var item = $(this);
            var info = {};

            info.arrivalTime = item.attr('data-arrival-time');
            info.originPosStr = item.find('.originCoords').text();
            info.destinationPosStr = item.find('.destinationCoords').text();
            info.returnId = item.attr('id').match(/\d+/g)[0];

            Recall.availableMovements.push(info);
        });

        Recall.pendingMovement = false;
        Recall.getMovement = false;

        Recall.doAppendRecall();
    },

    matchEventWithMovement: function(evInfo) {
        var retVal = "";
        for (var m in Recall.availableMovements) {
            if (Recall.availableMovements.hasOwnProperty(m) === false)
                continue;

            var mvInfo = Recall.availableMovements[m];

            if (mvInfo.arrivalTime === evInfo.arrivalTime &&
                mvInfo.originPosStr === evInfo.originPosStr &&
                mvInfo.destinationCoords === evInfo.destinationCoords) {

                retVal = mvInfo.returnId;
            }
        }

        return retVal;
    },

    sendRequest: function(opts) {
        var httpRequest = new XMLHttpRequest();

        httpRequest.onreadystatechange = function() {
            if (httpRequest.readyState == 0 || httpRequest.readyState == 4) {
                if (IsRequestSuccessful(httpRequest)) {
                    if (opts.onloadFun)
                        opts.onloadFun(httpRequest.responseText);
                }
                else {
                    if (opts.onerrorFun)
                        opts.onerrorFun(httpRequest.responseText);
                }
            }
        }
        
        httpRequest.open(opts.method, opts.url, true);

        httpRequest.setRequestHeader('Accept-Language', 'en-us,en;q=0.5');
        httpRequest.setRequestHeader('Accept', (opts.acc && opts.acc !== '') ? opts.acc : 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8');
        if (opts.contType)
            httpRequest.setRequestHeader('Content-Type', opts.contType);

        if (!opts.payload) 
            opts.payload = null;
        httpRequest.send(opts.payload);

        function IsRequestSuccessful (httpRequest) {
            var success = (httpRequest.status == 0 || 
                (httpRequest.status >= 200 && httpRequest.status < 300) || 
                httpRequest.status == 304 || httpRequest.status == 1223);
            
            return success;
        }
    }
};

$.fn.exists = function () {
    return this.length !== 0;
};

Recall.init();

}).toString();


function injectScript (myFunc) {
    var script = document.createElement ("script");
    script.setAttribute ("type", "application/javascript");
    script.textContent = "(" + myFunc + ") ();";
    document.body.appendChild (script);
}

function injectCss() {
    var recallImage = "data:image/gif;base64,R0lGODlhEAAQAKIAAISbrAAAAP///2+JnVx2iwAAAAAAAAAAACH5BAAAAAAALAAAAAAQABAAAAMqGLTcrS7KSautIut9mejLtwwkKZTliQ5Atg4qus1x2dbviud875eBHzABADs=";
    var recallCss = '.oaf_recall_icon {background-image: url('+recallImage+'); background-repeat: no-repeat !important;} #eventHeader .recall_eventlist_reload {position: absolute; left: 14px; margin: 4px 0;}';
    var eventlistReloadCss = '#eventHeader .recall_eventlist_reload {position: absolute; left: 14px; margin: 4px 0;}';
    var style = document.createElement('style');
    
    style.type = 'text/css';
    style.innerHTML = recallCss;

    document.getElementsByTagName("head")[0].appendChild(style);
}

if (document.body) {
    injectScript(scriptFunc);
    injectCss();
}