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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements.  See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership.  The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License.  You may obtain a copy of the License at
*
*   http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied.  See the License for the
* specific language governing permissions and limitations
* under the License.
*/

import SeriesModel from '../../model/Series';
import createListSimply from '../helper/createListSimply';
import * as zrUtil from 'zrender/src/core/util';
import {encodeHTML} from '../../util/format';
import LegendVisualProvider from '../../visual/LegendVisualProvider';

var RadarSeries = SeriesModel.extend({

    type: 'series.radar',

    dependencies: ['radar'],


    // Overwrite
    init: function (option) {
        RadarSeries.superApply(this, 'init', arguments);

        // Enable legend selection for each data item
        // Use a function instead of direct access because data reference may changed
        this.legendVisualProvider = new LegendVisualProvider(
            zrUtil.bind(this.getData, this), zrUtil.bind(this.getRawData, this)
        );

    },

    getInitialData: function (option, ecModel) {
        return createListSimply(this, {
            generateCoord: 'indicator_',
            generateCoordCount: Infinity
        });
    },

    formatTooltip: function (dataIndex, multipleSeries, dataType, renderMode) {
        var data = this.getData();
        var coordSys = this.coordinateSystem;
        var indicatorAxes = coordSys.getIndicatorAxes();
        var name = this.getData().getName(dataIndex);
        var newLine = renderMode === 'html' ? '<br/>' : '\n';
        return encodeHTML(name === '' ? this.name : name) + newLine
            + zrUtil.map(indicatorAxes, function (axis, idx) {
                var val = data.get(data.mapDimension(axis.dim), dataIndex);
                return encodeHTML(axis.name + ' : ' + val);
            }).join(newLine);
    },

    /**
     * @implement
     */
    getTooltipPosition: function (dataIndex) {
        if (dataIndex != null) {
            var data = this.getData();
            var coordSys = this.coordinateSystem;
            var values = data.getValues(
                zrUtil.map(coordSys.dimensions, function (dim) {
                    return data.mapDimension(dim);
                }), dataIndex, true
            );

            for (var i = 0, len = values.length; i < len; i++) {
                if (!isNaN(values[i])) {
                    var indicatorAxes = coordSys.getIndicatorAxes();
                    return coordSys.coordToPoint(indicatorAxes[i].dataToCoord(values[i]), i);
                }
            }
        }
    },

    defaultOption: {
        zlevel: 0,
        z: 2,
        coordinateSystem: 'radar',
        legendHoverLink: true,
        radarIndex: 0,
        lineStyle: {
            width: 2,
            type: 'solid'
        },
        label: {
            position: 'top'
        },
        // areaStyle: {
        // },
        // itemStyle: {}
        symbol: 'emptyCircle',
        symbolSize: 4
        // symbolRotate: null
    }
});

export default RadarSeries;