@extends('layout.master')

@section('body-class', 'page-product')

@push('header')
  <script src="{{ asset('vendor/vue/2.6.14/vue.js') }}"></script>
  {{-- <script src="{{ asset('vendor/element-ui/2.15.6/js.js') }}"></script> --}}
  {{-- <link rel="stylesheet" href="{{ asset('vendor/element-ui/2.15.6/css.css') }}"> --}}
@endpush

@section('content')

  <div class="container" id="product-app" v-cloak>
    <nav aria-label="breadcrumb">
      <ol class="breadcrumb">
        <li class="breadcrumb-item"><a href="#">Home</a></li>
        <li class="breadcrumb-item active" aria-current="page">Library</li>
      </ol>
    </nav>

    <div class="row mb-5" id="product-top">
      <div class="col-12 col-md-6">
        <div class="product-image d-flex">
          <div class="left">
            @for ($i = 0; $i < 5; $i++)
              <div class=""><img src="http://fpoimg.com/100x100?bg_color=f3f3f3" class="img-fluid"></div>
            @endfor
          </div>
          <div class="right"><img src="{{ $product['image'] }}" class="img-fluid"></div>
        </div>
      </div>

      <div class="ps-lg-5 col-xl-5 col-lg-6 order-lg-2">
        <div class="peoduct-info">
          <h1>{{ $product['name'] }}</h1>
          <div class="rating-wrap d-flex">
            <div class="rating">
              @for ($i = 0; $i < 5; $i++)
              <i class="iconfont">&#xe628;</i>
              @endfor
            </div>
            <span class="text-muted">132 reviews</span>
          </div>
          <div class="price-wrap d-flex align-items-end">
            <div class="new-price"></div>
            <div class="old-price text-muted text-decoration-line-through"></div>
          </div>

          <div class="variables-wrap">
            <div class="variable-group mb-3" v-for="variable, index in source.variables" :key="index">
              <p class=""><strong>@{{ variable.name }}</strong></p>
              <div class="variable-info">
                <div
                  v-for="value, v in variable.values"
                  @click="checkedVariableValue(index, v, value)"
                  :key="v"
                  :class="value.selected ? 'active' : ''">
                  @{{ value.name }}
                </div>
              </div>
            </div>
          </div>

          <div class="attribute-wrap">
            <table class="table table-striped table-borderless">
              <tbody>
                <tr>
                  <td>型号</td>
                  <td></td>
                </tr>
                <tr>
                  <td>Sku</td>
                  <td></td>
                </tr>
              </tbody>
            </table>
          </div>

          <div class="quantity-btns d-flex">
            @include('shared.quantity', ['quantity' => '1'])
            <button class="btn btn-outline-secondary ms-3 add-cart"><i class="bi bi-cart-fill me-1"></i>加入购物车</button>
            <button class="btn btn-dark ms-3"><i class="bi bi-bag-fill me-1"></i>立即购买</button>
          </div>
          <div class="add-wishlist">
            <button class="btn btn-link ps-0"><i class="bi bi-suit-heart-fill me-1"></i>加入收藏夹</button>
          </div>
        </div>
      </div>
    </div>

    <div class="product-description">
      <div class="nav nav-tabs nav-overflow justify-content-start justify-content-md-center border-bottom">
        <a class="nav-link active" data-bs-toggle="tab" href="#product-description">
          Description
        </a>
        <a class="nav-link" data-bs-toggle="tab" href="#description-1">
          Size &amp; Fit
        </a>
        <a class="nav-link" data-bs-toggle="tab" href="#description-2">
          Shipping &amp; Return
        </a>
      </div>
      <div class="tab-content">
        <div class="tab-pane fade show active" id="product-description" role="tabpanel" aria-labelledby="pills-home-tab">111</div>
        <div class="tab-pane fade" id="description-1" role="tabpanel" aria-labelledby="pills-profile-tab">222</div>
        <div class="tab-pane fade" id="description-2" role="tabpanel" aria-labelledby="pills-contact-tab">333</div>
      </div>
    </div>
  </div>

  <script>

  </script>
@endsection

@push('add-scripts')
  <script>
    new Vue({
      el: '#product-app',

      data: {
        selectedVariantsIndex: [], // 选中的变量索引
        product: {
          id: 0,
          image: "",
          model: "",
          origin_price: 0,
          origin_price_format: "",
          position: 0,
          price: 0,
          price_format: "",
          quantity: 0,
          sku: "",
        },
        source: {
          skus: @json($product['skus']),
          variables: @json($product['variables']),
          // variables: JSON.parse(@json($product['variables'] ?? [])),
        }
      },

      computed: {
      },

      beforeMount () {
        const skuDefault = this.source.skus.find(e => e.is_default)
        this.selectedVariantsIndex = skuDefault.variants

        // 为 variables 里面每一个 values 的值添加一个 selected 字段
        this.source.variables.forEach(variable => {
          variable.values.forEach(value => {
            this.$set(value, 'selected', false)
          })
        })

        // console.log(this.selectedVariantsIndex)
        this.checkedVariants()
        this.getSku();
      },

      methods: {
        checkedVariableValue(variable_idnex, value_index, value) {
          this.source.variables[variable_idnex].values.forEach((v, i) => {
            v.selected = false
            if (i == value_index) {
              v.selected = true
            }
          })

          // 获取选中的 variables 内 value的 下标 index 填充到 selectedVariantsIndex 中
          this.source.variables.forEach((variable, index) => {
            variable.values.forEach((value, value_index) => {
              if (value.selected) {
                this.selectedVariantsIndex[index] = value_index
              }
            })
          })

          this.getSku();
        },

        // 把对应 selectedVariantsIndex 下标选中 variables -> values 的 selected 字段为 true
        checkedVariants() {
          this.source.variables.forEach((variable, index) => {
            // variable.values.forEach(value => {
            //   value.selected = false
            // })
            variable.values[this.selectedVariantsIndex[index]].selected = true
          })
        },

        // 根据 selectedVariantsIndex 下标获取对应的 sku
        getSku() {
          const sku = this.source.skus.find(sku => sku.variants.toString() === this.selectedVariantsIndex.toString())
          console.log(sku);
          this.product = sku
        }
      }
    })
  </script>
@endpush