import './index.scss'

import { NCard, NSwitch, NSpace, NP, NH6, NH2, NH3 } from 'naive-ui'
import RayChart from '@/components/RayChart/index'

const Echart = defineComponent({
  name: 'REchart',
  setup() {
    const baseChartRef = ref()
    const chartLoading = ref(false)
    const chartAria = ref(false)
    const state = reactive({
      loading: false,
    })

    const baseOptions = {
      legend: {},
      tooltip: {},
      xAxis: {
        type: 'category',
        data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'],
      },
      yAxis: {
        type: 'value',
      },
      series: [
        {
          name: '日期',
          data: [120, 200, 150, 80, 70, 110, 130],
          type: 'bar',
          showBackground: true,
          backgroundStyle: {
            color: 'rgba(180, 180, 180, 0.2)',
          },
        },
      ],
    }
    const basePieOptions = {
      title: {
        text: 'Referer of a Website',
        subtext: 'Fake Data',
        left: 'center',
      },
      tooltip: {
        trigger: 'item',
      },
      legend: {
        orient: 'vertical',
        left: 'left',
      },
      series: [
        {
          name: 'Access From',
          type: 'pie',
          radius: '50%',
          data: [
            { value: 1048, name: 'Search Engine' },
            { value: 735, name: 'Direct' },
            { value: 580, name: 'Email' },
            { value: 484, name: 'Union Ads' },
            { value: 300, name: 'Video Ads' },
          ],
          emphasis: {
            itemStyle: {
              shadowBlur: 10,
              shadowOffsetX: 0,
              shadowColor: 'rgba(0, 0, 0, 0.5)',
            },
          },
        },
      ],
    }
    const baseLineOptions = {
      title: {
        text: 'Stacked Area Chart',
      },
      tooltip: {
        trigger: 'axis',
        axisPointer: {
          type: 'cross',
          label: {
            backgroundColor: '#6a7985',
          },
        },
      },
      legend: {
        data: ['Email', 'Union Ads', 'Video Ads', 'Direct', 'Search Engine'],
      },
      toolbox: {
        feature: {
          saveAsImage: {},
        },
      },
      grid: {
        left: '3%',
        right: '4%',
        bottom: '3%',
        containLabel: true,
      },
      xAxis: [
        {
          type: 'category',
          boundaryGap: false,
          data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'],
        },
      ],
      yAxis: [
        {
          type: 'value',
        },
      ],
      series: [
        {
          name: 'Email',
          type: 'line',
          stack: 'Total',
          areaStyle: {},
          emphasis: {
            focus: 'series',
          },
          data: [120, 132, 101, 134, 90, 230, 210],
        },
        {
          name: 'Union Ads',
          type: 'line',
          stack: 'Total',
          areaStyle: {},
          emphasis: {
            focus: 'series',
          },
          data: [220, 182, 191, 234, 290, 330, 310],
        },
        {
          name: 'Video Ads',
          type: 'line',
          stack: 'Total',
          areaStyle: {},
          emphasis: {
            focus: 'series',
          },
          data: [150, 232, 201, 154, 190, 330, 410],
        },
        {
          name: 'Direct',
          type: 'line',
          stack: 'Total',
          areaStyle: {},
          emphasis: {
            focus: 'series',
          },
          data: [320, 332, 301, 334, 390, 330, 320],
        },
        {
          name: 'Search Engine',
          type: 'line',
          stack: 'Total',
          label: {
            show: true,
            position: 'top',
          },
          areaStyle: {},
          emphasis: {
            focus: 'series',
          },
          data: [820, 932, 901, 934, 1290, 1330, 1320],
        },
      ],
    }

    const handleLoadingShow = (bool: boolean) => {
      state.loading = bool
    }

    const handleAriaShow = (bool: boolean) => {
      chartAria.value = bool
    }

    const handleChartRenderSuccess = (chart: EChartsInstance) => {
      window.$notification.info({
        title: '可视化图渲染成功回调函数',
        content: '可视化图渲染成功, 并且返回了当前可视化图实例',
        duration: 5 * 1000,
      })

      console.log(baseChartRef.value, chart)
    }

    return {
      baseOptions,
      baseChartRef,
      chartLoading,
      handleLoadingShow,
      chartAria,
      handleAriaShow,
      handleChartRenderSuccess,
      basePieOptions,
      baseLineOptions,
      ...toRefs(state),
    }
  },
  render() {
    return (
      <div class="echart">
        <NH2>RayChart 组件使用</NH2>
        <NP>
          该组件会默认以 200*200
          宽高进行填充。预设了常用的图、方法组件，如果不满足需求，需要用 use
          方法进行手动拓展。该组件实现了自动跟随模板主题切换功能，但是动态切换损耗较大，所以默认不启用
        </NP>
        <NH2>基础使用</NH2>
        <div class="chart--container">
          <RayChart options={this.baseOptions} />
        </div>
        <NH2>渲染成功后运行回调函数</NH2>
        <div class="chart--container">
          <RayChart
            ref="baseChartRef"
            options={this.basePieOptions}
            success={this.handleChartRenderSuccess.bind(this)}
          />
        </div>
        <NH2>能跟随主题切换的可视化图</NH2>
        <div class="chart--container">
          <RayChart
            autoChangeTheme
            options={this.baseLineOptions}
            showAria={this.chartAria}
          />
        </div>
        <NH2>不跟随主题切换的暗色主题可视化图</NH2>
        <div class="chart--container">
          <RayChart theme="dark" options={this.baseOptions} />
        </div>
        <NH2>加载动画</NH2>
        <NSwitch
          v-model:value={this.chartLoading}
          onUpdateValue={this.handleLoadingShow.bind(this)}
          style={['padding: 18px 0']}
        >
          {{
            checked: () => '隐藏加载动画',
            unchecked: () => '显示加载动画',
          }}
        </NSwitch>
        <div class="chart--container">
          <RayChart loading={this.loading} options={this.baseOptions} />
        </div>
        <NH2>贴画可视化图</NH2>
        <NSwitch
          v-model:value={this.chartAria}
          onUpdateValue={this.handleAriaShow.bind(this)}
          style={['padding: 18px 0']}
        >
          {{
            checked: () => '隐藏贴花',
            unchecked: () => '显示贴花',
          }}
        </NSwitch>
        <div class="chart--container">
          <RayChart options={this.baseOptions} showAria={this.chartAria} />
        </div>
      </div>
    )
  },
})

export default Echart