sfp_vue_franchisee_ginastica_cerebro/src/components/charts/custom/NPSChart.vue

<!-- eslint-disable @intlify/vue-i18n/no-raw-text -->
<template>
  <q-card v-bind="$attrs" class="q-px-md">
    <q-card-section class="row justify-between">
      <div>
        <div class="text-h6">{{ props.title }}</div>
        <span>{{ props.subTitle }}</span>
      </div>
      <q-btn
        icon="mdi-tray-arrow-down"
        dense
        flat
        class="q-my-auto"
        @click="downloadImage"
      />
    </q-card-section>
    <q-separator dark inset />
    <div class="graph-container">
      <div class="column">
        <div class="col-4 row">
          <div
            class="bg-nps-green"
            style="width: 1rem; min-height: max-content"
          />
          <div class="column q-pa-md">
            <span class="text-bold text-h6 text-nps-green">
              {{ $t("charts.nps.promotion_zone") }}
            </span>
            <span>{{ $t("charts.nps.promotion_zone_range") }}</span>
          </div>
        </div>
        <div class="col-4 row">
          <div
            class="bg-nps-green-light"
            style="width: 1rem; min-height: max-content"
          />
          <div class="column q-pa-md">
            <span class="text-bold text-h6 text-nps-green-light">
              {{ $t("charts.nps.quality_zone") }}
            </span>
            <span>{{ $t("charts.nps.quality_zone_range") }}</span>
          </div>
        </div>
        <div class="col-4 row">
          <div
            class="bg-nps-yellow"
            style="width: 1rem; min-height: max-content"
          />
          <div class="column q-pa-md">
            <span class="text-bold text-h6 text-nps-yellow">
              {{ $t("charts.nps.refinement_zone") }}
            </span>
            <span>{{ $t("charts.nps.refinement_zone_range") }}</span>
          </div>
        </div>
        <div class="col-4 row">
          <div
            class="bg-nps-red"
            style="width: 1rem; min-height: max-content"
          />
          <div class="column q-pa-md">
            <span class="text-bold text-h6 text-nps-red">
              {{ $t("charts.nps.critical_zone") }}</span
            >
            <span>{{ $t("charts.nps.critical_zone_range") }}</span>
          </div>
        </div>
      </div>

      <div style="display: flex; flex-direction: column; align-items: center">
        <div style="max-height: 500px">
          <Doughnut
            ref="chart_ref"
            :options="chartOptions"
            :data="chartData"
            :plugins="[ChartDataLabels, gaugeNeedle]"
          />
        </div>
        <span>{{ titulo }}</span>
      </div>

      <div class="column q-col-gutter-md">
        <div class="column">
          <span>
            {{ $t("charts.nps.promoters") }} -
            {{ ((data.promotores / data.total) * 100).toFixed(0) }} %
          </span>
          <q-linear-progress
            :value="data.promotores / data.total"
            rounded
            size="20px"
            color="nps-green"
            style="min-width: 200px"
          />
        </div>
        <div class="column">
          <span
            >{{ $t("charts.nps.passives") }} -
            {{ ((data.neutros / data.total) * 100).toFixed(0) }} %</span
          >
          <q-linear-progress
            :value="data.neutros / data.total"
            rounded
            size="20px"
            color="nps-yellow"
            style="min-width: 200px"
          />
        </div>
        <div class="column">
          <span
            >{{ $t("charts.nps.detractors") }} -
            {{ ((data.detratores / data.total) * 100).toFixed(0) }} %</span
          >
          <q-linear-progress
            :value="data.detratores / data.total"
            rounded
            size="20px"
            color="nps-red"
            style="min-width: 200px"
          />
        </div>
      </div>
    </div>
  </q-card>
</template>

<script setup>
import { ref } from "vue";
import { Chart as ChartJS, ArcElement, Tooltip, Legend } from "chart.js";
import { Doughnut } from "vue-chartjs";
import ChartDataLabels from "chartjs-plugin-datalabels";
import { base64ToJPEG } from "src/helpers/convertBase64Image";

const props = defineProps({
  title: {
    type: String,
    required: true,
  },
  value: {
    type: Number,
    required: true,
  },
  subTitle: {
    type: String,
    default: null,
  },
  data: {
    type: Object,
    required: true,
  },
});

const chart_ref = ref(null);
const titulo = ref(`Valor: ${props.data?.nps}`);

const gaugeNeedle = {
  id: "gaugeNeedle",
  afterDatasetsDraw(chart) {
    const { ctx, data } = chart;
    ctx.save();

    const needleValue = data.datasets[0].needleValue;
    const xCenter = chart.getDatasetMeta(0).data[0].x;
    const yCenter = chart.getDatasetMeta(0).data[0].y;
    const outerRadius = chart.getDatasetMeta(0).data[0].outerRadius - 40;
    const angle = Math.PI;

    let circumference =
      (chart.getDatasetMeta(0).data[0].circumference /
        Math.PI /
        data.datasets[0].data[0]) *
      needleValue;

    const needleAngleValue = circumference + 1.5;

    ctx.translate(xCenter, yCenter);
    ctx.rotate(angle * needleAngleValue);

    // Draw the needle
    ctx.beginPath();
    ctx.strokeStyle = "grey";
    ctx.fillStyle = "grey";
    ctx.moveTo(0 - 4, 0);
    ctx.lineTo(0, -outerRadius);
    ctx.lineTo(0 + 4, 0);
    ctx.stroke();
    ctx.fill();

    ctx.beginPath();
    ctx.arc(0, 0, 8, 0, 2 * Math.PI);
    ctx.fillStyle = "grey";
    ctx.fill();

    ctx.restore();
  },
};

ChartJS.register(ArcElement, Tooltip, Legend);

const chartData = ref({
  datasets: [
    {
      backgroundColor: ["#d43333", "#ffbe00", "#40c56c", "#0d733e"],
      data: [100, 50, 25, 25],
      needleValue: Number(props.data?.nps) + 100,
      borderColor: "transparent",
    },
  ],
});

const chartOptions = ref({
  rotation: 270,
  circumference: 180,
  cutout: "50%",
  plugins: {
    tooltip: {
      enabled: false,
    },
    datalabels: {
      color: "white",
      font: {
        size: 14,
        weight: "bold",
      },
      formatter: (value, ctx) => {
        let valor = "";
        switch (ctx.dataIndex) {
          case 0:
            valor = "-100 a 0";
            break;
          case 1:
            valor = "0 a 50";
            break;
          case 2:
            valor = "50 a 75";
            break;
          case 3:
            valor = "75 a 100";
            break;
          default:
            valor = "";
            break;
        }
        return valor;
      },
    },
  },
});

addEventListener("resize", () => {
  if (chart_ref.value) {
    chart_ref.value.chart.update();
  }
});

const downloadImage = () => {
  const image = chart_ref.value.chart?.toBase64Image("image/jpeg", 1);
  base64ToJPEG(image, props.title);
};
</script>

<style scoped>
.graph-container {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  align-items: center;
  justify-content: space-around;
  gap: 1rem;
  width: 100%;
  max-width: 100vw;
  padding: 1rem;
}

@media screen and (max-width: 1024px) {
  .graph-container {
    grid-template-columns: 1fr 1fr;
  }
}

@media screen and (max-width: 768px) {
  .graph-container {
    grid-template-columns: 1fr;
  }
}
</style>