<template>
  <view>
    <s-layout :onShareAppMessage="shareInfo" navbar="goods">
      <!-- 标题栏 -->
      <detailNavbar />

      <!-- 骨架屏 -->
      <detailSkeleton v-if="state.skeletonLoading" />
      <!-- 下架/售罄提醒 -->
      <s-empty v-else-if="state.goodsInfo === null" text="商品不存在或已下架" icon="/static/soldout-empty.png" showAction
        actionText="再逛逛" actionUrl="/pages/goods/list" />
      <block v-else>
        <view class="detail-swiper-selector">
          <!-- 商品轮播图  -->
          <su-swiper class="ss-m-b-14" isPreview :list="state.goodsSwiper" dotStyle="tag" imageMode="widthFix"
            dotCur="bg-mask-40" :seizeHeight="750" />

          <!-- 价格+标题 -->
          <view class="title-card detail-card ss-p-y-40 ss-p-x-20">
            <view class="ss-flex ss-row-between ss-col-center ss-m-b-26">
              <view class="price-box ss-flex ss-col-baseline">
                <format-price :price="currentGoodsInfo.price" type="range" color="#FF4104" :decimal-scale="1" />
                <view class="origin-price-text" v-if="currentGoodsInfo.original_price > 0">
                  {{ currentGoodsInfo.original_price }}
                </view>
              </view>
              <view class="sales-text">
                {{ formatSales(state.goodsInfo.sales_show_type, currentGoodsInfo.sales) }}
              </view>
            </view>
            <view class="discounts-box ss-flex ss-row-between ss-m-b-28">
              <div class="tag-content">
                <view class="tag-box ss-flex">
                  <view class="tag ss-m-r-10" v-for="promos in state.goodsInfo.promos" :key="promos.id"
                    @tap="onActivity">
                    {{ promos.title }}
                  </view>
                </view>
              </div>

              <view class="get-coupon-box ss-flex ss-col-center ss-m-l-20" @tap="state.showModel = true"
                v-if="state.couponInfo.length">
                <view class="discounts-title ss-m-r-8">领券</view>
                <text class="cicon-forward"></text>
              </view>
            </view>
            <view class="title-text ss-line-2 ss-m-b-6">{{ state.goodsInfo.title }}</view>
            <view class="subtitle-text ss-line-1">{{ state.goodsInfo.subtitle }}</view>
          </view>

          <!-- 功能卡片 -->
          <view class="detail-cell-card detail-card ss-flex-col">
            <detail-cell-sku v-model="state.selectedSkuPrice" :skus="state.goodsInfo.skus"
              @tap="state.showSelectSku = true" />
            <detail-cell-service v-if="state.goodsInfo.service" v-model="state.goodsInfo.service" />
            <detail-cell-params v-if="state.goodsInfo.params" v-model="state.goodsInfo.params" />
          </view>

          <!-- 规格与数量弹框 -->
          <s-select-sku :goods="state.goodsInfo" :show="state.showSelectSku" @addCart="onAddCart" @buyNow="onBuy"
            @change="onChangeSelectedSkuPrice" @close="state.showSelectSku = false"  />
        </view>

        <!-- 评价 -->
        <detail-comment-card class="detail-comment-selector" :goodsId="state.goodsId" />
        <!-- 详情 -->
        <detail-content-card class="detail-content-selector" :content="state.goodsInfo.content" />

        <!-- 活动跳转 -->
        <detail-activity-tip v-if="state.goodsInfo.activities" :data="state.goodsInfo"></detail-activity-tip>

        <!-- 详情tabbar -->
        <detail-tabbar v-model="state.goodsInfo">
          <!-- TODO: 缺货中 已售罄 判断 设计-->
          <view class="buy-box ss-flex ss-col-center ss-p-r-20" v-if="currentGoodsInfo.stock > 0">
            <button class="ss-reset-button add-btn ui-Shadow-Main" @tap="state.showSelectSku = true">
              加入购物车
            </button>
            <button class="ss-reset-button buy-btn ui-Shadow-Main" @tap="state.showSelectSku = true">
              立即购买
            </button>
          </view>
          <view class="buy-box ss-flex ss-col-center ss-p-r-20" v-else>
            <button class="ss-reset-button disabled-btn" disabled> 已售罄 </button>
          </view>
        </detail-tabbar>
        <s-coupon-get v-model="state.couponInfo" :show="state.showModel" @close="state.showModel = false"
          @get="onGet" />
        <s-activity-pop v-model="state.activityInfo" :show="state.showActivityModel"
          @close="state.showActivityModel = false" />
      </block>
    </s-layout>
  </view>
</template>

<script setup>
import { reactive, computed } from 'vue';
import { onLoad, onPageScroll, onShow } from '@dcloudio/uni-app';
import sheep from '@/sheep';
import { formatSales, formatGoodsSwiper } from '@/sheep/hooks/useGoods';
import detailNavbar from './components/detail/detail-navbar.vue';
import detailCellSku from './components/detail/detail-cell-sku.vue';
import detailCellService from './components/detail/detail-cell-service.vue';
import detailCellParams from './components/detail/detail-cell-params.vue';
import detailTabbar from './components/detail/detail-tabbar.vue';
import detailSkeleton from './components/detail/detail-skeleton.vue';
import detailCommentCard from './components/detail/detail-comment-card.vue';
import detailContentCard from './components/detail/detail-content-card.vue';
import detailActivityTip from './components/detail/detail-activity-tip.vue';
import { isEmpty } from 'lodash';
import FormatPrice from './components/format-price.vue';

// import detailActivityTip from './components/detail/detail-activity-tip.vue';
// import detailTab from './components/detail/detail-tab.vue';
// import detailCoupon from './components/detail/detail-coupon.vue';
onPageScroll(() => { });

const state = reactive({
  goodsId: 0,
  skeletonLoading: true,
  goodsInfo: {},
  showSelectSku: false,
  goodsSwiper: [],
  selectedSkuPrice: {},
  showModel: false,
  total: 0,
  couponInfo: [],
  showActivityModel: false,
  activityInfo: [],
});

const currentGoodsInfo = computed(() => {
  if (!isEmpty(state.selectedSkuPrice)) {
    return {
      price: state.selectedSkuPrice.price,
      original_price: state.selectedSkuPrice.original_price,
      stock: state.selectedSkuPrice.stock,
      sales: state.selectedSkuPrice.sales,
    };
  }
  return state.goodsInfo;
});



// 添加购物车
function onAddCart(e) {
  sheep.$store('cart').add(e);
}

// 多规格变更
function onChangeSelectedSkuPrice(e) {
  state.selectedSkuPrice = e;
}

// 立即购买
function onBuy(e) {
  sheep.$router.go('/pages/order/confirm', {
    data: JSON.stringify({
      order_type: 'goods',
      goods_list: [
        {
          goods_id: e.goods_id,
          goods_num: e.goods_num,
          goods_sku_price_id: e.goods_sku_price_id,
        },
      ],
    }),
  });
}
//营销活动
function onActivity() {
  state.activityInfo = state.goodsInfo.promos;
  state.showActivityModel = true;
}

//立即领取
async function onGet(id) {
  const { code, msg } = await sheep.$api.coupon.get(id);
  if (code === 1) {
    uni.showToast({
      title: msg,
    });
    setTimeout(() => {
      getCoupon();
    }, 1000);
  }
}

const shareInfo = computed(() => {
  if (isEmpty(state.goodsInfo)) return {};
  return sheep.$platform.share.getShareInfo(
    {
      title: state.goodsInfo.title,
      image: sheep.$url.cdn(state.goodsInfo.image),
      desc: state.goodsInfo.subtitle,
      params: {
        page: '2',
        query: state.goodsInfo.id,
      },
    },
    {
      type: 'goods', // 商品海报
      title: state.goodsInfo.title, // 商品标题
      image: sheep.$url.cdn(state.goodsInfo.image), // 商品主图
      price: state.goodsInfo.price[0], // 商品价格
      original_price: state.goodsInfo.original_price, // 商品原价
    },
  );
});

async function getGoodsDetail() {
  const { code, data } = await sheep.$api.goods.detail(state.goodsId)
  if (code === 1) {
    state.skeletonLoading = false;
    state.goodsInfo = data;
    state.goodsSwiper = formatGoodsSwiper(state.goodsInfo.images);
  } else {
    // 未找到商品
    state.goodsInfo = {};
  }
}

onLoad(async (options) => {
  // 非法参数
  if (!options.id) {
    state.goodsInfo = {}
    toast('商品不存在')
    $router.back()
    return
  }
  state.goodsId = options.id;
  // 加载商品信息
  getGoodsDetail();

  const { code, data } = await sheep.$api.coupon.listByGoods(state.goodsId);
  if (code === 1) {
    state.couponInfo = data;
  }
});
</script>

<style lang="scss" scoped>
.detail-card {
  background-color: #ffff;
  margin: 14rpx 20rpx;
  border-radius: 10rpx;
  overflow: hidden;
}

// 价格标题卡片
.title-card {
  .price-box {
    .price-text {
      font-size: 42rpx;
      font-weight: 500;
      color: #ff3000;
      line-height: 30rpx;
      font-family: OPPOSANS;

      &::before {
        content: '￥';
        font-size: 30rpx;
      }
    }

    .origin-price-text {
      margin-left: 10rpx;
      font-size: 26rpx;
      font-weight: 400;
      text-decoration: line-through;
      color: $gray-c;
      font-family: OPPOSANS;

      &::before {
        content: '￥';
      }
    }
  }

  .sales-text {
    font-size: 26rpx;
    font-weight: 500;
    color: $gray-c;
  }

  .discounts-box {
    .tag-content {
      flex: 1;
      min-width: 0;
      white-space: nowrap;
    }

    .tag-box {
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .tag {
      flex-shrink: 0;
      padding: 4rpx 10rpx;
      font-size: 24rpx;
      font-weight: 500;
      border-radius: 4rpx;
      color: var(--ui-BG-Main);
      background: var(--ui-BG-Main-tag);
    }

    .discounts-title {
      font-size: 24rpx;
      font-weight: 500;
      color: var(--ui-BG-Main);
      line-height: normal;
    }

    .cicon-forward {
      color: var(--ui-BG-Main);
      font-size: 24rpx;
      line-height: normal;
      margin-top: 4rpx;
    }
  }

  .title-text {
    font-size: 30rpx;
    font-weight: bold;
    line-height: 42rpx;
  }

  .subtitle-text {
    font-size: 26rpx;
    font-weight: 400;
    color: $dark-9;
    line-height: 42rpx;
  }
}

// 购买
.buy-box {
  .add-btn {
    width: 214rpx;
    height: 72rpx;
    font-weight: 500;
    font-size: 28rpx;
    border-radius: 40rpx 0 0 40rpx;
    background-color: var(--ui-BG-Main-light);
    color: var(--ui-BG-Main);
  }

  .buy-btn {
    width: 214rpx;
    height: 72rpx;
    font-weight: 500;
    font-size: 28rpx;

    border-radius: 0 40rpx 40rpx 0;
    background: linear-gradient(90deg, var(--ui-BG-Main), var(--ui-BG-Main-gradient));
    color: $white;
  }

  .disabled-btn {
    width: 428rpx;
    height: 72rpx;
    font-weight: 500;
    font-size: 28rpx;
    border-radius: 40rpx;
    background: #F5F5F5;
    color: #999999;
  }
}

.model-box {
  height: 60vh;

  .model-content {
    height: 56vh;
  }

  .title {
    font-size: 36rpx;
    font-weight: bold;
    color: #333333;
  }

  .subtitle {
    font-size: 26rpx;
    font-weight: 500;
    color: #333333;
  }
}
</style>
