<template>
    <div class="person_box">
        <div ref="chartAccess" style="width: 100%;height: 100%;"></div>
    </div>
</template>

<script setup>
import { ref, onMounted, watch } from 'vue';
import * as echarts from 'echarts'
const props = defineProps({
    resultData: {
        type: Object,
        default: {}
    }
})
const chartAccess = ref(null);
let chartDom = null;
const initAccess = (arrData, timeData) => {
    const color = ['#EAEA26', '#906BF9', '#FE5656', '#01E17E', '#3DD1F9', '#FFAD05']; //2个以上的series就需要用到color数组
    const legend = {
        //data，就是取得每个series里面的name属性。
        orient: 'horizontal',
        icon: 'circle', //图例形状
        padding: 0,
        top: 13,
        left: '4%',
        itemWidth: 10, //小圆点宽度
        itemHeight: 10, // 小圆点高度
        itemGap: 10, // 图例每项之间的间隔。[ default: 10 ]横向布局时为水平间隔，纵向布局时为纵向间隔。
        textStyle: {
            fontSize: 13,
            color: '#ffffff',
        },
    };
    const tooltip = {
        show: true,
        trigger: 'axis',
        axisPointer: {
            type: 'shadow',
        },
        textStyle: {
            color: '#fafafa',
        },
        borderColor: 'transparent',
        backgroundColor: 'rgba(0, 0, 0, 0.5)',
        extraCssText: 'backdrop-filter: blur(6px);',
    };
    let seriesData = arrData
    const commonConfigFn = (index) => {
        return {
            type: 'line',
            smooth: true,
            symbol: 'emptyCircle', //空心小圆点。线条小圆点形状
            symbolSize: 4, //小圆点大小
            itemStyle: {
                //还是小圆点设置
            },
            label: {
                show: false, //不显示小圆点上的label文字
            },
            lineStyle: {
                width: 1, //线条设置
            },
            areaStyle: {
                //填充线条下面的面积区域颜色。（areaStyle只是锦上添花）
                opacity: 0.2,
                color: {
                    type: 'linear',
                    x: 0,
                    y: 0,
                    x2: 0,
                    y2: 1,
                    colorStops: [
                        {
                            offset: 0,
                            color: color[index], // 上处的颜色
                        },
                        {
                            offset: 1,
                            color: 'transparent', // 下处的颜色
                        },
                    ],
                    global: false, // 缺省为 false
                },
            },
        };
    };
    seriesData = seriesData.map((item, index) => ({ ...item, ...commonConfigFn(index) }));
    if (!chartDom) {
        chartDom = echarts.init(chartAccess.value);
    }
    let option = {
        color,
        tooltip,
        legend,
        grid: {
            top: '15%',
            left: '4%',
            right: '4%',
            bottom: '5%',
            containLabel: true,
        },
        xAxis: {
            show: true, //显示x轴+x轴label文字
            type: 'category',
            boundaryGap: false, //从Y轴出发，这个false很好的
            axisLine: {
                show: true, //显示x坐标轴轴线
                lineStyle: {
                    color: 'rgba(255,255,255,.4)',
                },
            },
            axisTick: {
                show: false, //不显示x坐标1cm刻度
            },
            axisLabel: {
                color: '#ffffff', //x轴label文字颜色
            },
            splitLine: {
                show: false, //不显示grid竖向分割线
            },
            data: timeData,
        },
        yAxis: {
            type: 'value',
            axisLabel: {
                color: '#ffffff',
            },
            axisLine: {
                show: true,
                lineStyle: {
                    color: 'rgba(255,255,255,.4)',
                },
            },
            splitLine: {
                show: false, //不显示grid水平分割线
            },
        },
        series: seriesData,
    };
    chartDom.setOption(option)
};
// 生命周期
onMounted(() => {
    let seriesData = [];
    let time = []
    initAccess(seriesData, time)
});
watch(() => props.resultData, (newVal) => {
    if (chartDom) {
        let time = Object.keys(newVal.Type1)
        let seriesData = [
            { name: '客流1', data: Object.entries(newVal.Type1) },
            { name: '客流2', data: Object.entries(newVal.Type2) },
            { name: '客流3', data: Object.entries(newVal.Type3) },
            { name: '客流4', data: Object.entries(newVal.Type4) },
        ];
        initAccess(seriesData, time)
    }
}, { deep: true, immediate: true } // 开启深度监听
)
// 窗口自适应
window.addEventListener('resize', () => {
    chartDom?.resize();
});
</script>

<style scoped lang="scss">
.person_box {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
}
</style>