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<html>
    <head>
        <meta charset="utf-8">
        <meta name="viewport" content="width=device-width, initial-scale=1" />
        <script src="lib/simpleRequire.js"></script>
        <script src="lib/config.js"></script>
        <script src="lib/jquery.min.js"></script>
        <script src="lib/facePrint.js"></script>
        <script src="lib/testHelper.js"></script>
        <!-- <script src="ut/lib/canteen.js"></script> -->
        <link rel="stylesheet" href="lib/reset.css" />
    </head>
    <body>
        <style>
            .test-title {
                background: #146402;
                color: #fff;
            }
            #info {
                position: fixed;
                left: 0;
                top: 0;
                background: #333;
                color: #fff;
                padding: 2px 5px;
                z-index: 9999;
                box-shadow: 0 0 2px #333;
            }
        </style>

        <br>
        <br>
        <br>

        <div id="info"></div>

        <div id="main0"></div>


        <script>
            var USE_HOVER_LAYER_KEY = '__EC_TEST_USE_HOVER_LAYER_KEY___';

            var useHoverLayer = getUseHoverLayer();
            var hoverLayerThreshold = useHoverLayer ? 0 : null;
            var infoEl = document.getElementById('info');
            genInfo();

            function setUseHoverLayer(useHoverLayer) {
                window.localStorage.setItem(USE_HOVER_LAYER_KEY, useHoverLayer ? 'true' : '');
            }
            function getUseHoverLayer() {
                return !!window.localStorage.getItem(USE_HOVER_LAYER_KEY);
            }

            function genInfo(zrRefreshTimestamp) {
                infoEl.innerHTML = [
                    '<span style="color:yellow">'
                        + (useHoverLayer ? 'Using HoverLayer' : 'NOT using HoverLayer')
                    + '</span>',
                    'hoverLayerThreshold: ' + hoverLayerThreshold,
                    'zr refresh base layer at: <span style="color:yellow">' + (zrRefreshTimestamp || null) + '</span>'
                ].join('<br>');
            }

            function genHoverLayerBtns() {
                return [{
                    text: 'NOT use hoverLayer',
                    onclick: function () {
                        setUseHoverLayer(false);
                        typeof __VRT_RELOAD__ !== 'undefined' ? __VRT_RELOAD__() : location.reload();
                    }
                }, {
                    text: 'Use hoverLayer',
                    onclick: function () {
                        setUseHoverLayer(true);
                        typeof __VRT_RELOAD__ !== 'undefined' ? __VRT_RELOAD__() : location.reload();
                    }
                }]
            }

            var originalCreate = testHelper.create;
            testHelper.create = function (echarts, dom, opt) {
                if (opt.option.hoverLayerThreshold === void 0) {
                    throw new Error('"hoverLayerThreshold" should be set');
                }

                var buttons = opt.buttons || [];
                opt.buttons = buttons = genHoverLayerBtns().concat(buttons);
                var chart = originalCreate.call(this, echarts, dom, opt);

                if (chart) {
                    var zr = chart.getZr();
                    var originalRefreshImmediately = zr.refreshImmediately;
                    zr.refreshImmediately = function () {
                        var result = originalRefreshImmediately.apply(this, arguments);
                        // Make sure refreshImmediately is not called when `useHoverLayer`.
                        genInfo(+new Date());
                        return result;
                    };
                }

                return chart;
            }
        </script>


        <script>
        require(['echarts'], function (echarts) {
            var option;

            option = {
                hoverLayerThreshold: hoverLayerThreshold,
                xAxis: {},
                yAxis: {},
                grid: {
                    right: '50%'
                },
                legend: {
                    selector: true
                },
                series: [{
                    type: 'line',
                    name: 'b',
                    symbol: 'circle',
                    symbolSize: 20,
                    emphasis: {
                        itemStyle: {
                            color: 'blue'
                        }
                    },
                    data: [[11, 242], [23, 442]]
                }, {
                    type: 'line',
                    name: 'c',
                    symbol: 'circle',
                    symbolSize: 20,
                    emphasis: {
                        itemStyle: {
                            color: 'blue'
                        }
                    },
                    data: [[11, 222], [23, 244]]
                }, {
                    type: 'scatter',
                    name: 'd',
                    symbol: 'rect',
                    symbolSize: 20,
                    emphasis: {
                        itemStyle: {
                            color: 'blue'
                        }
                    },
                    data: [[11, 322], [23, 344]]
                }, {
                    type: 'pie',
                    center: ['75%', '50%'],
                    data: [{
                        name: 'pieA', value: 50,
                    }, {
                        name: 'pieB', value: 30
                    }]
                }]
            };

            var chart = testHelper.create(echarts, 'main0', {
                title: [
                    '(A) Click legend "b" and then click "反选". ',
                    '    The displayed symbol should in **normal style**.',
                    '(B) Click legend "b" to hide and then click the button to toggle legend item "b".',
                    '    The displayed symbol should in **normal style**.',
                    '(C) Click legend "b" and click again',
                    '    The displayed symbol should in **emphasis style**.',
                    '(D) Click legend "pieA" and click again',
                    '    The displayed symbol should in **emphasis style**.',
                ],
                height: 300,
                option: option,
                buttons: [{
                    text: 'toggle legend item "b"',
                    onclick: function () {
                        chart.dispatchAction({
                            type: 'legendToggleSelect',
                            name: 'b'
                        });
                    }
                }]
                // height: 300,
                // buttons: [{text: 'btn-txt', onclick: function () {}}],
                // recordCanvas: true,
            });
        });
        </script>


    </body>
</html>