// ==UserScript==
// @name           Universal converter
// @namespace      igcc
// @include        *
// @description    Конвертация различных величин
// @grant          GM_getValue
// @grant          GM_setValue
// @grant          GM_xmlhttpRequest
// ==/UserScript==
(function (){
    var log = function() {
        if (unsafeWindow.console) unsafeWindow.console.log.apply(unsafeWindow.console, arguments);
    };

    var tabla='';
    var pos = [0,0];

    var setPos = function (d){
        d.style.top = pos[0] - 25 + 'px';
        d.style.left = pos[1] - 170 + 'px';
    }

    var showMe = function (d) {
        if(d.length < 1) {
            return;
        }
        setPos(d);
        d.style.display = "block";
    }

    var hideMe = function (d) {
        if(d.length < 1) {
            return;
        }
        d.style.display = "none";
    };

    var currencys = {
        'USD':'Доллар США',
        'RUB':'Российский рубль',
        'CNY':'Китайский юань',
        'EUR':'Евро',
        'UAH':'Украинская гривна',
        'GBP':'Британский фунт',
        'JPY':'Японская йена',
        'AUD':'Австралийский доллар',
        'CAD':'Канадский доллар',
        'HKD':'Гонконгский доллар',
        '':'',
        'cm':'Сантиметр',
        'inch':'Дюйм'
    }
    var urlConvert = function (){
        var price = $('price-igcc').value;
        var currencyFrom = $('currencyFrom').value;
        var currencyTo = $('currencyTo').value;
        GM_setValue('from',currencyFrom);
        GM_setValue('to',currencyTo);
        return 'https://www.google.ru/search?&q=' + price + '+' + currencyFrom + '+in+' + currencyTo
    };

    var $ = function(id) {
        return document.getElementById(id);
    };

    var showMenu = function (){
        showMe($('tabla-igcc'));
        convertir();
    };
    var setTabla = function (){
        var filas = []
        for(var currency in currencys){
            filas.push('<option value="' + currency + '">' + currencys[currency] + '</option>');
        }

        tabla += '<input type="hidden" id="price-igcc" value="0">';
        tabla += '<table border="0" style="line-height:normal;color:yellow;font-weight:bold;text-align:center;">';
        tabla += '    <tr>';
        tabla += '        <td colspan="3"><p id="res-igcc" style="color:yellow;"></p></td>';
        tabla += '    </tr>';
        tabla += '    <tr>';
        tabla += '        <td style="border:0px;padding:0px;color:white;"><b><label for="currencyFrom">Из:</label></b></td>';
        tabla += '        <td style="border:0px;padding:0px;color:#fff;"><select id="currencyFrom">' + filas.join('') + '</select></td>';
        tabla += '        <td style="border:0px;padding:0px;color:#fff;" rowspan="2">';
        tabla += '            <img id="swc-curr-igcc" alt="switch" src="data:image/gif;base64,R0lGODlhEgASAKUfACkyVuLk5ZOi5WiEx0li1AAAzD1Y0fr8+LzC4YCYz8bL4u7t8LS71Gd81n+Q2s/W8/H1+LXA7ubn8Orv+VNr1neK3d7h8cDK8YmY3NbZ3vj4+NPX5lVy1uvv+c7T3v///56s6G2C3ZGf27zE6vL1/Obq+drg9kJazuDj8YSU33qM3////////////////////////////////////////////////////////////////////////////////////yH5BAEHAD8ALAAAAAASABIAAAZswN9vQCwajcLhZ8lsNgdKp/Q5aD5AIYNpSmymDGBBSdr1GgjgFIkqTV1KKgNlvCxPPxFDiGm/Cwx8VXdLf4GDB3l7dYJeIxYVchaGTQ5nYA4SbEyVYBgbZIwfCCINBgpcoYN8Uap1SUewRUJBADs=" />';
        tabla += '        </td>';
        tabla += '    </tr>';

        tabla += '    <tr>';
        tabla += '        <td style="border:0px;padding:0px;color:white;"><b><label for="currencyTo">В:</label></b></td>';
        tabla += '        <td style="border:0px;padding:0px;color:#fff;"><select id="currencyTo">' + filas.join('') + '</select></td>';
        tabla += '    </tr>';

        tabla += '    <tr>';
        tabla += '        <td style="border:0px;padding:0px;color:#fff;" colspan="3"><center><button id="ver-res-igcc">Посчитать</button></center></td>';
        tabla += '    </tr>';

        tabla += '</table>';
        var divTabla = document.createElement('div');
        divTabla.id = "tabla-igcc";
        divTabla.style.position = "absolute";
        divTabla.style.display = "none";
        divTabla.style.background = "#333";
        divTabla.style.border = "0px";
        divTabla.style.padding = "5px";
        divTabla.innerHTML = tabla;

        try {
            document.body.appendChild(divTabla);
        } catch(e){
        }
    };
    var convertir = function (){
        var url = urlConvert();
        GM_xmlhttpRequest({
            method: 'GET',
            url: url,
            onload: function(r) {
                var json = r.responseText;

                var doc = document.implementation.createHTMLDocument("");
                doc.documentElement.innerHTML = json;
                json = doc.querySelectorAll('.ct-cs > div');

                $('res-igcc').innerHTML = json[0].textContent + json[1].textContent;
                $('currencyFrom').value = GM_getValue('from');
                $('currencyTo').value = GM_getValue('to');
            }
        });
    }

    function init(){
        try {
            if(window != window.top){
                return;
            }

            setTabla();
            $('currencyFrom').value = GM_getValue('from');
            $('currencyTo').value = GM_getValue('to');

            $('ver-res-igcc').addEventListener('mousedown',function (e){
                if (e.stopPropagation){
                    e.stopPropagation();
                }
                e.cancelBubble = true;
                convertir();
            },true);
            $('swc-curr-igcc').addEventListener('mousedown',function (e){
                var currencyFrom = $('currencyFrom').value;
                var currencyTo = $('currencyTo').value;
                GM_setValue('from',currencyTo);
                GM_setValue('to',currencyFrom);
                $('currencyFrom').value = GM_getValue('from');
                $('currencyTo').value = GM_getValue('to');
                convertir();
            },true);
            window.addEventListener("mousemove",
                function(e){
                    e = e || window.event;
                    pos = [e.pageY,e.pageX]
                },false);
            window.addEventListener("mousedown",
                function(e){
                    e = e || window.event;
                    var reltg = e.target
                    while (reltg.id != 'tabla-igcc' && reltg.nodeName != 'HTML' && reltg.nodeName != 'BODY'){
                        reltg= reltg.parentNode
                    }
                    if(reltg.id !== 'tabla-igcc'){
                        hideMe($('tabla-igcc'));
                    }
                },true);
            window.addEventListener("click",function (e){
                e = e || window.event;
                    if ( e.altKey && e.button == 0 &&  e.detail == 2 ) {
                    var price = parseFloat(window.getSelection().toString().replace(/[^0-9\.\,]+/,'').replace(/[\,]+/,'.'));
                    if(!isNaN(price)){
                        $('price-igcc').value = price
                        showMenu()
                    }
                }
            },false);
            window.addEventListener("contextmenu",function(e) {
                e = e || window.event;
                if(e.shiftKey) {
                    var price = parseFloat(window.getSelection().toString().replace(/[^0-9\.\,]+/,'').replace(/[\,]+/,'.'));
                    if(!isNaN(price)){
                        $('price-igcc').value = price
                        showMenu()
                    }
                    e.preventDefault();
                    e.returnValue = false;
                    e.stopPropagation();
                    return false;
                }
            },false);
        } catch(e){
        }
    }
    init();
})()