<script setup lang="ts">
import { ref, onMounted } from "vue";
import { useQuasar } from "quasar";
import { VuePDF, usePDF } from "@tato30/vue-pdf";
import axios from "axios";

import { useRoute } from "vue-router";
import { useCounterMixin } from "@/stores/mixin";
import { useStructureTree } from "@/stores/structureTree";
import http from "@/plugins/http";
import config from "@/app.config";

import type { DataStructureTree } from "@/interface/main";
import type { DataTypeReport } from "@/modules/05_placement/interface/index/Main";

import LoadView from "@/components/LoadView.vue";

/** use*/
const $q = useQuasar();
const route = useRoute();
const { fetchStructureTree } = useStructureTree();
const {
  showLoader,
  hideLoader,
  date2Thai,
  dateToISO,
  messageError,
  monthYear2Thai,
} = useCounterMixin();

/** Filter*/
const reportType = ref<DataTypeReport>();
const optionReport = ref<DataTypeReport[]>([
  {
    id: "1",
    name: "จำนวนข้าราชการ กทม. สามัญที่ได้รับการบรรจุ แต่งตั้ง ย้าย และโอน",
    type: "placement",
  },
  {
    id: "2",
    name: "จำนวนลูกจ้างประจำ กทม. ที่ได้รับการจ้าง แต่งตั้งและย้าย",
    type: "placement",
  },
  {
    id: "1",
    name: "การทดลองปฏิบัติหน้าที่ราชการสำหรับข้าราชการ กทม. สามัญ",
    type: "probation",
  },
  {
    id: "2",
    name: "ข้อมูลการทดลองปฏิบัติหน้าที่ราชการของข้าราชการ กทม. สามัญ บรรจุใหม่",
    type: "probation",
  },
  {
    id: "3",
    name: "สถิติการทดลองปฏิบัติหน้าที่ราชการของข้าราชการ กทม. สามัญ บรรจุใหม่",
    type: "probation",
  },
]);
const year = ref<number>(new Date().getFullYear());
const dateStart = ref<Date>(new Date(year.value - 1, 9, 1));
const dateEnd = ref<Date>(new Date(year.value + 1, 8, 30));

/** View*/
const isLoadPDF = ref<boolean>(false);
const numOfPages = ref<number>(0);
const page = ref<number>(1);
const pdfSrc = ref<any>();

/** tree*/
const filterTree = ref<string>("");
const nodeId = ref<string>("");
const nodeLevel = ref<number>(0);
const node = ref<DataStructureTree[]>([]);
const expanded = ref<string[]>([]);

async function fetchDataTree() {
  node.value = await fetchStructureTree(route.meta.Key as string, true);
}

function onUpdateYear(val: number) {
  dateStart.value = new Date(val - 1, 9, 1);
  dateEnd.value = new Date(val, 8, 30);

  reportType.value && fetchDataReport();
}

function onSelectedNode(id: string, level: number) {
  nodeId.value = id;
  nodeLevel.value = level;
  reportType.value && fetchDataReport();
}

function fetchDataReport() {
  if (!reportType.value || !nodeId.value) {
    return false;
  }
  isLoadPDF.value = true;
  const queryParams = {
    nodeId: nodeId.value,
    node: nodeLevel.value,
    startDate: dateToISO(dateStart.value),
    endDate: dateToISO(dateEnd.value),
  };

  const apiEndpoint =
    reportType.value.type === "probation"
      ? config.API.probationReport
      : config.API.placementReport;
  http
    .get(apiEndpoint + `${reportType.value.id}`, {
      params: queryParams,
    })
    .then(async (res) => {
      const data = await res.data.result;
      await fetchDocumentTemplate(data);
    })
    .catch((err) => {
      messageError($q, err);
    })
    .finally(() => {
      isLoadPDF.value = false;
    });
}

/**
 * function เรียกไฟล์ PDF
 * @param data  ข้อมูลบัญชีวันลา
 */
async function fetchDocumentTemplate(data: any) {
  await axios
    .post(`${config.API.reportTemplate}/xlsx`, data, {
      headers: {
        accept: "application/pdf",
        "content-Type": "application/json",
      },
      responseType: "blob",
    })
    .then(async (res) => {
      const blob = new Blob([res.data]);
      const objectUrl = URL.createObjectURL(blob);
      const pdfData = usePDF(`${objectUrl}`);

      setTimeout(() => {
        pdfSrc.value = pdfData.pdf.value;
        numOfPages.value = pdfData.pages.value;
      }, 1500);
    })
    .catch(async (e) => {
      messageError($q, JSON.parse(await e.response.data.text()));
    });
}

/** ไปหน้าต่อไปของรายงาน */
function nextPage() {
  if (page.value < numOfPages.value) {
    page.value++;
  }
}

/** กลับหน้าก่อนหน้าของรายงาน */
function backPage() {
  if (page.value !== 1) {
    page.value--;
  }
}

onMounted(() => {
  fetchDataTree();
});
</script>

<template>
  <div class="toptitle text-dark col-12 row items-center">
    รายงานบรรจุ แต่งตั้ง ย้าย โอน
  </div>

  <div class="q-pa-sm q-gutter-sm">
    <q-card flat bordered class="col-12">
      <div class="row q-col-gutter-sm q-pa-sm">
        <div class="row col-12">
          <q-select
            outlined
            dense
            v-model="reportType"
            :options="optionReport"
            label="รายงาน"
            map-options
            option-label="name"
            style="width: 500px"
            @update:model-value="fetchDataReport"
          >
          </q-select>

          
          <q-space />
          <q-btn
            :loading="isLoadPDF"
            flat
            round
            color="primary"
            icon="download"
            :disable="!reportType || !nodeId"
          >
          </q-btn>
        </div>

        <div class="row col-12">
          <q-card bordered class="col-12 filter-card q-pa-sm">
            <div class="row col-12 q-col-gutter-sm">
              <div>
                <datepicker
                  v-model="year"
                  :locale="'th'"
                  autoApply
                  year-picker
                  :enableTimePicker="false"
                  @update:model-value="onUpdateYear"
                >
                  <template #year="{ year }">{{ year + 543 }}</template>
                  <template #year-overlay-value="{ value }">{{
                    parseInt(value + 543)
                  }}</template>
                  <template #trigger>
                    <q-input
                      class="bg-white"
                      dense
                      outlined
                      :model-value="Number(year) + 543"
                      :label="`${'ปีงบประมาณ'}`"
                    >
                      <template v-slot:prepend>
                        <q-icon
                          name="event"
                          class="cursor-pointer"
                          style="color: var(--q-primary)"
                        >
                        </q-icon>
                      </template>
                    </q-input>
                  </template>
                </datepicker>
              </div>

              <div>
                <datepicker
                  menu-class-name="modalfix"
                  v-model="dateStart"
                  :locale="'th'"
                  autoApply
                  :enableTimePicker="false"
                  week-start="0"
                  @update:model-value="fetchDataReport"
                  :max-date="dateEnd"
                >
                  <template #year="{ year }">{{ year + 543 }}</template>
                  <template #year-overlay-value="{ value }">{{
                    parseInt(value + 543)
                  }}</template>
                  <template #trigger>
                    <q-input
                      class="bg-white"
                      outlined
                      dense
                      borderless
                      :model-value="dateStart ? date2Thai(dateStart) : null"
                      :label="`${'ตั้งเเต่วันที่'}`"
                    >
                      <template v-slot:prepend>
                        <q-icon
                          name="event"
                          class="cursor-pointer"
                          color="primary"
                        >
                        </q-icon>
                      </template>
                    </q-input>
                  </template>
                </datepicker>
              </div>
              <div>
                <datepicker
                  menu-class-name="modalfix"
                  v-model="dateEnd"
                  :locale="'th'"
                  autoApply
                  :enableTimePicker="false"
                  week-start="0"
                  @update:model-value="fetchDataReport"
                  :min-date="dateStart"
                >
                  <template #year="{ year }">{{ year + 543 }}</template>
                  <template #year-overlay-value="{ value }">{{
                    parseInt(value + 543)
                  }}</template>
                  <template #trigger>
                    <q-input
                      class="bg-white"
                      outlined
                      dense
                      borderless
                      :model-value="dateEnd ? date2Thai(dateEnd) : null"
                      :label="`${'ถึงวันที่'}`"
                    >
                      <template v-slot:prepend>
                        <q-icon
                          name="event"
                          class="cursor-pointer"
                          color="primary"
                        >
                        </q-icon>
                      </template>
                    </q-input>
                  </template>
                </datepicker>
              </div>
            </div>
          </q-card>
        </div>
      </div>
    </q-card>

    <q-card flat bordered class="col-12">
      <q-card-section :horizontal="$q.screen.gt.sm">
        <q-card-section class="col-lg-3 col-md-4 col-xs-12 q-gutter-sm">
          <div class="col">
            <q-input dense outlined v-model="filterTree" label="ค้นหา">
              <template v-slot:append>
                <q-icon name="search" />
              </template>
            </q-input>
          </div>

          <div class="bg-white tree-container q-pa-xs">
            <q-tree
              dense
              :nodes="node"
              node-key="orgTreeId"
              label-key="labelName"
              v-model:expanded="expanded"
              :filter="filterTree.trim()"
              no-results-label="ไม่พบข้อมูลที่ค้นหา"
              no-nodes-label="ไม่มีข้อมูล"
            >
              <template v-slot:default-header="prop">
                <q-item
                  @click.stop="
                    onSelectedNode(prop.node.orgTreeId, prop.node.orgLevel)
                  "
                  :active="nodeId === prop.node.orgTreeId"
                  clickable
                  active-class="my-list-link text-primary text-weight-medium"
                  class="row col-12 items-center text-dark q-py-xs q-pl-sm rounded-borders my-list"
                >
                  <div>
                    <div class="text-weight-medium">
                      {{ prop.node.orgTreeName }}
                    </div>
                    <div class="text-weight-light text-grey-8">
                      {{ prop.node.orgCode == null ? null : prop.node.orgCode }}
                      {{
                        prop.node.orgTreeShortName == null
                          ? null
                          : prop.node.orgTreeShortName
                      }}
                    </div>
                  </div>
                </q-item>
              </template>
            </q-tree>
          </div>
        </q-card-section>

        <q-separator :vertical="$q.screen.gt.xs" />

        <q-card-section class="col-lg-9 col-md-8 col-xs-12 scroll">
          <q-splitter
            horizontal
            style="
              height: 65vh;
              border: 1px solid rgb(210, 210, 210);
              border-radius: 5px;
            "
            before-class="overflow-hidden disable"
            separator-class="bg-white disabled"
          >
            <template v-slot:before>
              <div class="q-px-sm">
                <div class="row items-start items-center">
                  <div class="col">
                    <q-btn
                      padding="xs"
                      icon="mdi-chevron-left"
                      color="grey-2"
                      text-color="grey-5"
                      size="md"
                      class="my-auto"
                      @click="backPage"
                      :disable="page == 1"
                    />
                  </div>
                  <div class="col-12 col-md-auto">
                    <div class="q-pa-md flex">
                      หน้าที่ {{ page }} จาก {{ numOfPages }}
                    </div>
                  </div>
                  <div class="col text-right">
                    <q-btn
                      padding="xs"
                      icon="mdi-chevron-right"
                      color="grey-2"
                      text-color="grey-5"
                      size="md"
                      @click="nextPage"
                      :disable="page === numOfPages"
                    />
                  </div>
                </div>
              </div>
            </template>
            <template v-slot:after>
              <div class="q-pa-md">
                <LoadView v-if="isLoadPDF" />
                <VuePDF
                  v-else
                  ref="vuePDFRef"
                  :pdf="pdfSrc"
                  :page="page"
                  fit-parent
                />
              </div>
            </template>
            <template v-slot:default>
              <div class="q-pa-md">
                <div class="row items-start items-center">
                  <div class="col">
                    <q-btn
                      padding="xs"
                      icon="mdi-chevron-left"
                      color="grey-2"
                      text-color="grey-5"
                      size="md"
                      class="my-auto"
                      @click="backPage"
                      :disable="page == 1"
                    />
                  </div>

                  <div class="col-12 col-md-auto">
                    <div class="q-pa-md flex">
                      หน้าที่ {{ page }} จาก {{ numOfPages }}
                    </div>
                  </div>
                  <div class="col text-right">
                    <q-btn
                      padding="xs"
                      icon="mdi-chevron-right"
                      color="grey-2"
                      text-color="grey-5"
                      size="md"
                      @click="nextPage"
                      :disable="page === numOfPages"
                    />
                  </div>
                </div>
              </div>
            </template>
          </q-splitter>
        </q-card-section>
      </q-card-section>
    </q-card>
  </div>
</template>

<style scoped>
.tree-container {
  overflow: auto;
  height: 60vh;
  border: 1px solid #e6e6e7;
  border-radius: 10px;
}
.my-list-link {
  color: rgb(118, 168, 222);
  border-radius: 5px;
  background: #a3d3fb48 !important;
  font-weight: 600;
  border: 1px solid rgba(175, 185, 196, 0.217);
}
</style>
