<script setup>
import { useTheme } from 'vuetify'
import { hexToRgb } from '@layouts/utils'

const vuetifyTheme = useTheme()

const series = {
  bar: [
    {
      name: 'Earning',
      data: [
        270,
        210,
        180,
        200,
        250,
        280,
        250,
        270,
        150,
      ],
    },
    {
      name: 'Expense',
      data: [
        -140,
        -160,
        -180,
        -150,
        -100,
        -60,
        -80,
        -100,
        -180,
      ],
    },
  ],
  line: [
    {
      name: 'Last Month',
      data: [
        20,
        10,
        30,
        16,
        24,
        5,
        40,
        23,
        28,
        5,
        30,
      ],
    },
    {
      name: 'This Month',
      data: [
        50,
        40,
        60,
        46,
        54,
        35,
        70,
        53,
        58,
        35,
        60,
      ],
    },
  ],
}

const chartOptions = computed(() => {
  const currentTheme = vuetifyTheme.current.value.colors
  const variableTheme = vuetifyTheme.current.value.variables
  const labelColor = `rgba(${ hexToRgb(currentTheme['on-surface']) },${ variableTheme['disabled-opacity'] })`
  const legendColor = `rgba(${ hexToRgb(currentTheme['on-background']) },${ variableTheme['high-emphasis-opacity'] })`
  const borderColor = `rgba(${ hexToRgb(String(variableTheme['border-color'])) },${ variableTheme['border-opacity'] })`
  
  return {
    bar: {
      chart: {
        parentHeightOffset: 0,
        stacked: true,
        type: 'bar',
        toolbar: { show: false },
      },
      tooltip: { enabled: false },
      plotOptions: {
        bar: {
          horizontal: false,
          columnWidth: '45%',
          borderRadius: 8,
          startingShape: 'rounded',
          endingShape: 'rounded',
        },
      },
      colors: [
        `rgba(${ hexToRgb(currentTheme.primary) }, 1)`,
        `rgba(${ hexToRgb(currentTheme.warning) }, 1)`,
      ],
      dataLabels: { enabled: false },
      stroke: {
        curve: 'smooth',
        width: 6,
        lineCap: 'round',
        colors: [currentTheme.surface],
      },
      legend: {
        show: true,
        horizontalAlign: 'left',
        position: 'top',
        fontFamily: 'Public Sans',
        markers: {
          height: 12,
          width: 12,
          radius: 12,
          offsetX: -3,
          offsetY: 2,
        },
        labels: { colors: legendColor },
        itemMargin: { horizontal: 5 },
      },
      grid: {
        show: false,
        padding: {
          bottom: -8,
          top: 20,
        },
      },
      xaxis: {
        categories: [
          'Jan',
          'Feb',
          'Mar',
          'Apr',
          'May',
          'Jun',
          'Jul',
          'Aug',
          'Sep',
        ],
        labels: {
          style: {
            fontSize: '13px',
            colors: labelColor,
            fontFamily: 'Public Sans',
          },
        },
        axisTicks: { show: false },
        axisBorder: { show: false },
      },
      yaxis: {
        labels: {
          offsetX: -16,
          style: {
            fontSize: '13px',
            colors: labelColor,
            fontFamily: 'Public Sans',
          },
        },
        min: -200,
        max: 300,
        tickAmount: 5,
      },
      responsive: [
        {
          breakpoint: 1700,
          options: { plotOptions: { bar: { columnWidth: '43%' } } },
        },
        {
          breakpoint: 1441,
          options: { plotOptions: { bar: { columnWidth: '52%' } } },
        },
        {
          breakpoint: 1280,
          options: { plotOptions: { bar: { columnWidth: '38%' } } },
        },
        {
          breakpoint: 1025,
          options: {
            plotOptions: { bar: { columnWidth: '70%' } },
            chart: { height: 390 },
          },
        },
        {
          breakpoint: 991,
          options: { plotOptions: { bar: { columnWidth: '38%' } } },
        },
        {
          breakpoint: 850,
          options: { plotOptions: { bar: { columnWidth: '48%' } } },
        },
        {
          breakpoint: 449,
          options: {
            plotOptions: { bar: { columnWidth: '70%' } },
            chart: { height: 360 },
            xaxis: { labels: { offsetY: -5 } },
          },
        },
        {
          breakpoint: 394,
          options: { plotOptions: { bar: { columnWidth: '88%' } } },
        },
      ],
      states: {
        hover: { filter: { type: 'none' } },
        active: { filter: { type: 'none' } },
      },
    },
    line: {
      chart: {
        toolbar: { show: false },
        zoom: { enabled: false },
        type: 'line',
      },
      stroke: {
        curve: 'smooth',
        dashArray: [
          5,
          0,
        ],
        width: [
          1,
          2,
        ],
      },
      legend: { show: false },
      colors: [
        borderColor,
        currentTheme.primary,
      ],
      grid: {
        show: false,
        borderColor,
        padding: {
          top: -30,
          bottom: -15,
          left: 25,
        },
      },
      markers: { size: 0 },
      xaxis: {
        labels: { show: false },
        axisTicks: { show: false },
        axisBorder: { show: false },
      },
      yaxis: { show: false },
      tooltip: { enabled: false },
    },
  }
})
</script>

<template>
  <VCard>
    <VRow no-gutters>
      <VCol
        cols="12"
        sm="8"
        lg="8"
        :class="$vuetify.display.smAndUp ? 'border-e' : 'border-b'"
      >
        <VCardText class="pe-2">
          <h5 class="text-h5 mb-6">
            Revenue Report
          </h5>

          <VueApexCharts
            :options="chartOptions.bar"
            :series="series.bar"
            height="312"
          />
        </VCardText>
      </VCol>

      <VCol
        cols="12"
        sm="4"
      >
        <VCardText class="d-flex flex-column justify-center align-center text-center ps-2 h-100">
          <VBtn
            variant="outlined"
            size="small"
            class="d-flex mx-auto"
          >
            <span>2022</span>
            <template #append>
              <VIcon
                size="16"
                icon="tabler-chevron-down"
              />
            </template>
            <VMenu activator="parent">
              <VList>
                <VListItem
                  v-for="(item, index) in ['2021', '2020', '2019']"
                  :key="index"
                  :value="index"
                >
                  <VListItemTitle>{{ item }}</VListItemTitle>
                </VListItem>
              </VList>
            </VMenu>
          </VBtn>

          <div class="d-flex flex-column mt-8">
            <h3 class="font-weight-medium text-h3">
              $25,825
            </h3>
            <p>
              <span class="text-high-emphasis font-weight-medium me-1">Budget:</span>
              <span>56,800</span>
            </p>
          </div>

          <VueApexCharts
            :options="chartOptions.line"
            :series="series.line"
            height="100"
          />

          <VBtn class="mt-4">
            Increase Budget
          </VBtn>
        </VCardText>
      </VCol>
    </VRow>
  </VCard>
</template>
