var myChart;
var domCode = document.getElementById('sidebar-code');
var domGraphic = document.getElementById('graphic');
var domMain = document.getElementById('main');
var domMessage = document.getElementById('wrong-message');
var iconResize = document.getElementById('icon-resize');
var needRefresh = false;

function autoResize() {
    if (iconResize.className == 'icon-resize-full') {
        focusCode();
        iconResize.className = 'icon-resize-small';
    }
    else {
        focusGraphic();
        iconResize.className = 'icon-resize-full';
    }
}

function focusCode() {
    domCode.className = 'span8 ani';
    domGraphic.className = 'span4 ani';
}

function focusGraphic() {
    domCode.className = 'span4 ani';
    domGraphic.className = 'span8 ani';
    if (needRefresh) {
        myChart.showLoading();
        setTimeout(refresh, 1000);
    }
}

var editor = CodeMirror.fromTextArea(
    document.getElementById("code"),
    { lineNumbers: true }
);
editor.setOption("theme", 'monokai');


editor.on('change', function(){needRefresh = true;});

function refresh(isBtnRefresh){
    if (isBtnRefresh) {
        needRefresh = true;
        focusGraphic();
        return;
    }
    needRefresh = false;
    if (myChart && myChart.dispose) {
        myChart.dispose();
    }
    myChart = echarts.init(domMain);
    window.onresize = myChart.resize;
    (new Function(editor.doc.getValue()))();
    myChart.setOption(option, true);
    domMessage.innerHTML = '';
}

function needMap() {
    var href = location.href;
    return href.indexOf('map') != -1
           || href.indexOf('mix3') != -1
           || href.indexOf('mix5') != -1;

}

var echarts;
var developMode = true;

if (developMode) {
    // for develop
    require.config({
        packages: [
            {
                name: 'echarts',
                location: '../../src',
                main: 'echarts'
            },
            {
                name: 'zrender',
                //location: 'http://ecomfe.github.io/zrender/src',
                location: '../../../zrender/src',
                main: 'zrender'
            }
        ]
    });
}
else {
    // for echarts online home page
    var fileLocation = needMap() ? './www/js/echarts-map' : './www/js/echarts';
    require.config({
        paths:{ 
            echarts: fileLocation,
            'echarts/chart/line': fileLocation,
            'echarts/chart/bar': fileLocation,
            'echarts/chart/scatter': fileLocation,
            'echarts/chart/k': fileLocation,
            'echarts/chart/pie': fileLocation,
            'echarts/chart/radar': fileLocation,
            'echarts/chart/map': fileLocation,
            'echarts/chart/chord': fileLocation,
            'echarts/chart/force': fileLocation
        }
    });
}

// 按需加载
require(
    [
        'echarts',
        'echarts/chart/line',
        'echarts/chart/bar',
        'echarts/chart/scatter',
        'echarts/chart/k',
        'echarts/chart/pie',
        'echarts/chart/radar',
        'echarts/chart/force',
        'echarts/chart/chord',
        needMap() ? 'echarts/chart/map' : 'echarts'
    ],
    requireCallback
);

function requireCallback (ec) {
    echarts = ec;
    if (myChart && myChart.dispose) {
        myChart.dispose();
    }
    myChart = echarts.init(domMain);
    refresh();
    window.onresize = myChart.resize;
}