<template>
  <v-container>
    <div class="tw-border tw-border-solid tw-border-[#1f88e5]">
      <v-row
        class="ma-0 pl-4 bg-grey-lighten-3 tw-border-0 tw-border-b tw-border-solid tw-border-[#1f88e5] md:tw-leading-[64px]"
      >
        <div
          class="tw-pr-0 tw-font-bold tw-w-[160px] tw-h-[36px] tw-leading-[64px] text-grey-darken-3"
        >
          CATEGORY:
        </div>
        <v-col class="flex pa-0" cols="12" sm="9">
          <span
            :class="'tw-leading-[50px] tw-inline-flex tw-cursor-pointer px-4 mb-1 mr-1 tw-font-medium rounded hover:tw-text-[#fff] hover:tw-bg-[#1e88e5] ' +
              (categoryStore.selectedCategory === item.categoryDisplayName &&
                'tw-text-[#fff] tw-bg-[#1e88e5]')
            "
            v-for="(item, index) in categoryStore.list"
            :key="index"
            @click="handleCategoryClick(item)"
          >
            <b class="tw-m-0 tw-inline">{{ item.categoryDisplayName }}</b>
          </span>
        </v-col>
      </v-row>
      <v-row class="pa-4 ma-0 bg-grey-lighten-4">
        <div
          class="tw-pr-0 tw-font-bold tw-w-[130px] tw-h-[36px] tw-leading-[36px] text-grey-darken-3"
        >
          DEVICE TYPE:
        </div>
        <v-col class="pa-0" cols="12" sm="9">
          <span
            :class="'px-4 py-1 mb-1 mr-1 tw-font-medium  rounded  tw-inline-flex tw-cursor-pointer hover:tw-text-[#fff] hover:tw-bg-[#1e88e5] ' +
              (categoryStore.selectedSubCategory === item.id && 'tw-text-[#fff] tw-bg-[#1e88e5]')
            "
            v-for="(item, index) in subCategoryList"
            :key="index"
            @click="handleSubCategoryClick(item.id)"
          >
            {{ item.name }}
          </span>
        </v-col>
      </v-row>
      <v-row
        v-if="funcCategoryList.length"
        class="pa-4 ma-0 bg-grey-lighten-4 tw-border-0 tw-border-t tw-border-dashed tw-border-[rgb(178, 178, 178)]"
      >
        <div
          class="tw-pr-0 tw-font-bold tw-w-[210px] tw-h-[36px] tw-leading-[36px] text-grey-darken-3"
        >
          MATERIAL FUNCTION:
        </div>
        <v-col class="pa-0" cols="12" sm="9">
          <span
            :class="'px-4 py-1 mb-1  mr-1  tw-font-medium rounded tw-inline-flex tw-cursor-pointer hover:tw-text-[#fff] hover:tw-bg-[#1e88e5] ' +
              (categoryStore.selectedFuncCategory === item.id && 'tw-text-[#fff] tw-bg-[#1e88e5]')
            "
            v-for="(item, index) in funcCategoryList"
            :key="index"
            @click="handleFuncCategoryClick(item.id)"
          >
            {{ item.name }}
          </span>
        </v-col>
      </v-row>
    </div>
  </v-container>
</template>

<script setup lang="ts">
import { useCategoryStore } from '@/stores/category'
import { useProductListStore } from '@/stores/product_list'
import type { CategoryRootType } from '@/type'
import { computed } from 'vue'
import { useRouter, useRoute } from 'vue-router'

const router = useRouter()

const categoryStore = useCategoryStore()
const productStore = useProductListStore()

const seo = {
  'Energy materials':
    'Energy materials,Not specified,Battery accessories,Lithium-ion batteries,Capacitors,Sodium-ion batteries,Lithium-sulfur batteries,Potassium/magnesium/aluminum/zinc batteries,Air/fuel/solar,Analytical electrodes,Complete battery accessories',
  'Laboratory consumables':
    'Laboratory consumables,Not specified,Glass materials,Plastic materials,Metal materials,Ceramic materials,Paper film materials,Chemical materials,Tetrafluoro materials,Safety protection,Office supplies,Tools,Others',
  'Low-dimensional materials':
    ',Low-dimensional materialsNot specified,Zero-dimensional carbon materials,One-dimensional carbon materials,Two-dimensional carbon materials,Three-dimensional carbon materials,Inorganic nanomaterials,Organic nanomaterials,Metal nanomaterials,Others',
  Equipment:
    'Equipment,Not specified,Equipment,Accessories & fixtures,Fuel cell manufacturing and testing equipment'
}

const handleCategoryClick = (item: CategoryRootType) => {
  categoryStore.updateCategory(item.categoryDisplayName)
  categoryStore.updateSubCategory(item.list[0].id)
  productStore.updatePageNo(1)

  router.push({ query: { category: item.categoryDisplayName } })

  // const doc = document as any
  // const head = doc.getElementsByTagName('head')
  // const meta = doc.createElement('meta')
  // document.title = seo[item.categoryDisplayName as keyof typeof seo]
  // doc
  //   .querySelector('meta[name="keywords"]')
  //   .setAttribute('content', seo[item.categoryDisplayName as keyof typeof seo])
  // head[0].appendChild(meta)
}

const handleSubCategoryClick = (value: string) => {
  categoryStore.updateSubCategory(value)
  productStore.updatePageNo(1)
}

const handleFuncCategoryClick = (value: string) => {
  categoryStore.updateFuncCategory(value)
  productStore.updatePageNo(1)
}

const subCategoryList = computed(() => {
  if (categoryStore.selectedCategory) {
    const tmp = categoryStore.list.filter(
      (item) => item.categoryDisplayName === categoryStore.selectedCategory
    )
    return tmp?.[0]?.list || []
  }
  return []
})

const funcCategoryList = computed(() => {
  if (categoryStore.selectedCategory) {
    const tmp = categoryStore.list.filter(
      (item) => item.categoryDisplayName === categoryStore.selectedCategory
    )
    return tmp?.[0]?.productFunctions || []
  }
  return []
})
</script>