<script setup>
import LineChart from "@/components/chart/LineChart.vue";
import { SECOND_CHART_COLOR } from "@/constant";
import dayjs from "dayjs";
import { ref, watch, onMounted, onUnmounted, computed } from "vue";
import useActiveBtn from "@/hooks/useActiveBtn";
import { getDashboardTemp } from "@/apis/dashboard";
import useSearchParams from "@/hooks/useSearchParam";
import useBuildingStore from "@/stores/useBuildingStore";
import { useI18n } from "vue-i18n";

const { t, locale } = useI18n();
const { searchParams } = useSearchParams();
const buildingStore = useBuildingStore();
const intervalType = "immediateTemp";
const timeoutTimer = ref("");

const { items, changeActiveBtn, setItems, selectedBtn } = useActiveBtn();

const data = ref([]);
const other_real_temp_chart = ref(null);
const currentOptionType = ref(1); // 1: 溫度, 2: 濕度
const noData = ref(false);

const defaultChartOption = ref({
  tooltip: {
    trigger: "axis",
  },
  legend: {
    data: [],
    textStyle: {
      color: "#ffffff",
      fontSize: 16,
    },
  },
  grid: {
    top: "10%",
    left: "0%",
    right: "0%",
    bottom: "0%",
    containLabel: true,
  },
  xAxis: {
    type: "category",
    splitLine: { show: false },
    axisLabel: { color: "#ffffff" },
    data: [],
  },
  yAxis: {
    type: "value",
    splitLine: { show: false },
    axisLabel: { color: "#ffffff" },
  },
  series: [],
});

const getData = async () => {
  const res = await getDashboardTemp({
    building_guid: buildingStore.selectedBuilding.building_guid,
    tempOption: 2, // 參數 tempOption 1:室溫 2:冷藏
    timeInterval: 1,
    option: currentOptionType.value, // 參數 option：1:溫度 2:濕度
  });

  if (res.isSuccess) {
    const key = "冷藏溫度";
    const label = currentOptionType.value === 1 ? "溫度" : "濕度";
    console.log(`冷藏${label}資料:`, res.data[key]);
    data.value = res.data[key] || [];
    noData.value = !data.value || data.value.length === 0;
  } else {
    noData.value = true;
  }
};

const buttonItems = computed(() => [
  { key: 1, title: t("dashboard.temperature"), active: true },
  { key: 2, title: t("dashboard.humidity"), active: false },
]);

// 當語言改變時，重新設定項目
watch(
  () => locale.value,
  () => {
    setItems(buttonItems.value);
  },
  { immediate: true }
);

watch(
  selectedBtn,
  (newValue) => {
    if (timeoutTimer.value) {
      clearInterval(timeoutTimer.value);
    }

    if (newValue?.key === 1 || newValue?.key === 2) {
      currentOptionType.value = newValue.key;
      getData();
      timeoutTimer.value = setInterval(() => {
        getData();
      }, 60 * 1000);
    }
  },
  { immediate: true, deep: true }
);

watch(
  data,
  (newValue) => {
    if (newValue?.length > 0 && other_real_temp_chart.value?.chart) {
      const firstItem = newValue[0];
      if (firstItem?.data?.length > 0) {
        const validData = firstItem.data.filter(
          (item) => item.value !== null && item.value !== undefined
        );

        if (validData.length > 0) {
          const minValue = Math.min(...validData.map(({ value }) => value));
          const maxValue = Math.max(...validData.map(({ value }) => value));

          other_real_temp_chart.value.chart.setOption({
            legend: {
              data: newValue.map(({ full_name }) => full_name),
            },
            xAxis: {
              data: firstItem.data.map(({ time }) =>
                dayjs(time).format("HH:mm:ss")
              ),
            },
            yAxis: {
              min: Math.floor(minValue),
              max: Math.ceil(maxValue),
            },
            series: newValue.map(({ full_name, data }, index) => ({
              name: full_name,
              type: "line",
              data: data.map(({ value }) => value),
              showSymbol: false,
              itemStyle: {
                color: SECOND_CHART_COLOR[index % SECOND_CHART_COLOR.length],
              },
            })),
          });
        }
      }
    }
  },
  { deep: true }
);

onUnmounted(() => {
  if (timeoutTimer.value) {
    clearInterval(timeoutTimer.value);
  }
});
</script>

<template>
  <h3 class="text-info text-xl text-center">
    {{ $t("dashboard.refrig_chart") }}
  </h3>
  <div className="my-3 w-full flex justify-center relative">
    <ButtonConnectedGroup
      :items="items"
      :onclick="(e, item) => changeActiveBtn(item)"
    />
  </div>
  <div
    v-if="noData"
    class="text-center text-white text-lg min-h-[260px] flex items-center justify-center"
  >
    無資料
  </div>
  <LineChart
    v-else
    id="dashboard_other_real_temp"
    class="min-h-[260px] max-h-fit"
    :option="defaultChartOption"
    ref="other_real_temp_chart"
  />
</template>

<style lang="scss" scoped></style>
