<template>
  <div class="wrapper">
    <u-popup class="popup" v-model="buyMask" :height="setup.height" closeable :mode="setup.mode"
      :mask-close-able="isClose" :mask="isMask" :border-radius="setup.radius" @close="closeMask()">
      <!-- 商品 -->
      <view class="goods-box bottom">
        <view class="goods-header">
          <view class="goods-img">
            <u-image width="200rpx" border-radius="20" class="uimage" height="200rpx"
              :src="selectedSpecImg ? selectedSpecImg : goodsDetail.thumbnail"></u-image>
          </view>
          <view class="goods-skus">
            <!-- 有活动商品价格 -->
            <view class="goods-price " v-if="goodsDetail.promotionPrice">
              <span>
                ￥
                <span class="goods-price-promotionShow goods-price-bigshow"
                  v-if="goodsDetail.promotionPrice">{{ formatPrice(goodsDetail.promotionPrice)[0] }}</span>
                .{{ formatPrice(goodsDetail.promotionPrice)[1] }}
                <span></span>
              </span>
              <div class="promotion-box">
                ￥
                <span class="goods-price-bigshow">{{
                formatPrice(goodsDetail.price)[0]
              }}</span>
                .{{ formatPrice(goodsDetail.price)[1] }}

              </div>
            </view>
            <!-- 正常商品的价格 -->
            <view class="goods-price" v-else>
              <span>
                ￥
                <span class="goods-price-bigshow">{{
                formatPrice(goodsDetail.price)[0]
              }}</span>
                .{{ formatPrice(goodsDetail.price)[1] }}
              </span>
            </view>
            <view class="goods-check-skus">
              已选
              <span class="goods-check-skus-name">
                {{ selectName }}
                <span>，{{ num }}个</span>
              </span>
            </view>
          </view>
        </view>
        <!-- 商品信息 -->
          <scroll-view class="goods-skus-box" :scroll-y="true">
          <!-- 规格 -->
          <view class="goods-skus-view" :key="specIndex" v-for="(spec, specIndex) in formatList">
            <view class="skus-view-list">
              <view class="view-class-title">{{ spec.name }}</view>
              <view :class="{ active: spec_val.value == currentSelceted[specIndex] }" class="skus-view-item"
                v-for="(spec_val, spec_index) in spec.values" :key="spec_index"
                @click="handleClickSpec(spec, specIndex, spec_val)">{{ spec_val.value }}</view>
            </view>
          </view>
          <!-- 数量 -->
          <view class="goods-skus-number">
            <view class="view-class-title">数量</view>
            <u-number-box :bg-color="numberBox.bgColor" :color="numberBox.color" :input-width="numberBox.width"
              :input-height="numberBox.height" :size="numberBox.size" :min="1" v-model="num">
            </u-number-box>
          </view>
          </scroll-view>
        <!-- 按钮 -->
        <view class="btns">

          <view class="box-btn card" v-if="buyType != 'PINTUAN' && goodsDetail.goodsType!='VIRTUAL_GOODS'"
            @click="addToCartOrBuy('cart')">加入购物车</view>
          <view class="box-btn buy" @click="addToCartOrBuy('buy')">立即购买</view>
        </view>
      </view>
    </u-popup>
  </div>
</template>
<script>
import * as API_trade from "@/api/trade.js";
import setup from "./popup";
export default {
  data() {
    return {
      setup,
      num: 1,
      // 步进器的大小尺寸单位是 rpx
      numberBox: {
        width: "50",
        height: "50",
        size: "22",
        color: "#333",
        bgColor: "#fff",
      },
      selectName: "", //选中商品的昵称
      selectSkuList: "", //选中商铺sku,
      selectedSpecImg: "", //选中的图片路径
      buyType: "", //用于存储促销，拼团等活动类型
      parentOrder: "", //父级拼团活动的数据 - 如果是团员则有数据
      formatList: [],
      currentSelceted: [],
      skuList: "",
      isMask: false, //是否显示遮罩层
      isClose: false, //是否可以点击遮罩关闭
    };
  },
  props: [
    "goodsDetail", //商品详情
    "buyMask",
    "selectedSku",
    "goodsSpec",
    "addr",
  ],
  watch: {
    buyType: {
      handler(val) {
        this.buyType = val;
      },
      immediate: true,
    },
    selectSkuList: {
      handler(val, oldval) {
        this.$emit("changed", val);
      },
      deep: true,
    },
  },

  methods: {
    // 格式化金钱  1999 --> [1999,00]
    formatPrice(val) {
      if (typeof val == "undefined") {
        return val;
      }
      return val.toFixed(2).split(".");
    },

    closeMask() {
      this.$emit("closeBuy", false);
    },

    /**点击规格 */
    handleClickSpec(val, index, specValue) {
       this.currentSelceted[index] = specValue.value;
      let selectedSkuId = this.goodsSpec.find((i) => {
        let matched = true;
        let specValues = i.specValues.filter((j) => j.specName !== "images");
        for (let n = 0; n < specValues.length; n++) {
          if (specValues[n].specValue !== this.currentSelceted[n]) {
            matched = false;
            return;
          }
        }
        if (matched) {
          return i;
        }
      });
      if (selectedSkuId?.skuId) {
        this.$set(this.currentSelceted, index, specValue.value);
        this.selectSkuList = {
          spec: {
            specName: val.name,
            specValue: specValue.value,
          },
          data: this.goodsDetail,
        };
        this.selectName = specValue.value;

        this.$emit("handleClickSku", {
          skuId: selectedSkuId.skuId,
          goodsId: this.goodsDetail.goodsId,
        });
      } else {
        uni.showToast({
          title: "暂无该商品!",
          duration: 2000,
          icon: "none",
        });
      }
    },

    /**
     * 添加到购物车或购买
     */
    addToCartOrBuy(val) {
      if (!this.selectSkuList) {
        uni.showToast({
          title: "请选择规格商品",
          icon: "none",
        });
        return;
      }
      let data = {
        skuId: this.goodsDetail.id,
        num: this.num,
      };

      if (val == "cart") {
        API_trade.addToCart(data).then((res) => {
          if (res.data.code == 200) {
            uni.showToast({
              title: "商品已添加到购物车",
              icon: "none",
            });

            this.$emit("queryCart");
            this.closeMask();
          }
        });
      } else {
        // 判断是否拼团商品
        if (this.buyType) {
          data.cartType = "PINTUAN";
        } else if (this.goodsDetail.goodsType == "VIRTUAL_GOODS") {
          data.cartType = "VIRTUAL";
        } else {
          data.cartType = "BUY_NOW";
        }

        API_trade.addToCart(data).then((res) => {
          if (res.data.code == 200) {
            uni.navigateTo({
              url: `/pages/order/fillorder?way=${data.cartType}&addr=${
                this.addr.id || ""
              }&parentOrder=${encodeURIComponent(
                JSON.stringify(this.parentOrder)
              )}`,
            });
          }
        });
      }
    },

    /**
     * 直接购买
     */
    buy(data) {
      API_trade.addToCart(data).then((res) => {
        if (res.data.success) {
          uni.navigateTo({
            url: `/pages/order/fillorder?way=${
              data.cartType
            }&addr=${""}&parentOrder=${encodeURIComponent(
              JSON.stringify(this.parentOrder)
            )}`,
          });
        }
      });
    },

    formatSku(list) {
      // 格式化数据

      let arr = [{}];
      list.forEach((item, index) => {
        item.specValues.forEach((spec, specIndex) => {
          let name = spec.specName;
          let values = {
            value: spec.specValue,
            quantity: item.quantity,
          };
          if (name === "images") {
            return;
          }

          arr.forEach((arrItem, arrIndex) => {
            if (
              arrItem.name == name &&
              arrItem.values &&
              !arrItem.values.find((i) => i.value === values.value)
            ) {
              arrItem.values.push(values);
            }

            let keys = arr.map((key) => {
              return key.name;
            });
            if (!keys.includes(name)) {
              arr.push({
                name: name,
                values: [values],
              });
            }
          });
        });
      });

      arr.shift();
      this.formatList = arr;

      list.forEach((item) => {
        if (item.skuId === this.goodsDetail.id) {
          item.specValues
            .filter((i) => i.specName !== "images")
            .forEach((value, _index) => {
              this.currentSelceted[_index] = value.specValue;

              this.selectName = value.specValue;

              this.selectSkuList = {
                spec: value,
                data: this.goodsDetail,
              };
            });
        }
      });

      this.skuList = list;
    },
  },

  mounted() {
    this.formatSku(this.goodsSpec);

    console.log(this.goodsDetail);
  },
};
</script>
<style lang="scss" scoped>
@import "./popup.scss";

.buy {
  background-image: linear-gradient(135deg, #ffba0d, #ffc30d 69%, #ffcf0d);
  box-shadow: 0 2px 6px 0 rgba(255, 65, 66, 0.2);
}

.card {
  background-image: linear-gradient(135deg, #f2140c, #f2270c 70%, #f24d0c);
  box-shadow: 0 2px 6px 0 rgba(255, 65, 66, 0.2);
}

/deep/.u-icon-plus,
.u-icon-minus,
.u-icon-disabled {
  height: 30rpx !important;
  background: #fff !important;
}

.goods-skus-number {
  justify-content: space-between;
  display: flex;
}

/deep/ .uni-scroll-view {
  overflow: hidden !important;
}

.active {
  background: $price-light-color !important;
  border: 2rpx solid $price-color;
  font-weight: bold;
  color: $price-color !important;
  box-sizing: border-box;
}

.goods-skus-box {
  overflow-y: auto;
  height: 610rpx;
  // #ifdef MP-WEIXIN
  height: 570rpx;
  // #endif
  margin-bottom: 10rpx;
}

.goods-skus-view {
  overflow: hidden;

  .skus-view-list {
    > .skus-view-item {
      flex: 1;
      padding: 0 36rpx;

      overflow: hidden;
      height: 60rpx;
      line-height: 60rpx;
      float: left;
      text-align: center;
      margin-left: 24rpx;
      margin-bottom: 20rpx;
      font-size: 22rpx;
      color: #262626;
      background: #f2f2f2;
      border-radius: 30rpx;
    }
  }
}

.goods-header {
  height: 200rpx;
  display: flex;
  align-items: center;
  margin-bottom: 36rpx;
}

.goods-box {
  padding: 50rpx 36rpx 0 36rpx;
}

.goods-skus {
  padding: 0 20rpx;
}

.goods-price {
  color: $price-color;
  line-height: 80rpx;
  display: flex;
}
.promotion-box {
  line-height: 1;
  display: flex;
  align-items: center;
  text-decoration: line-through;
  color: #999;
  margin-left: 10rpx;
  /deep/ span {
    font-size: 30rpx;
  }
}
.promotion {
  font-size: 30rpx;
}
.goods-price-promotionShow {
  font-size: 48rpx;
}
.goods-check-skus {
  font-size: 24rpx;
  color: #999;
  > .goods-check-skus-name {
    margin-left: 4rpx;
  }
  > span {
    color: #333;
  }
}
</style>
