<template>
  <div class="wrapper">
    <!-- header部分 -->
    <header>
      <i class="fa fa-angle-left" @click="back"></i>
      <p>确认订单</p>
    </header>
    <!-- 订单信息部分 -->
    <div class="order-info">
      <div class="box">
        <h5>订单配送至：</h5>
        <div class="order-info-address" @click="toUserAddress">
          <p>{{ deliveryaddress != null ? deliveryaddress.address : '请选择收货地址' }}</p>
          <i class="fa fa-angle-right"></i>
        </div>
        <p>{{ deliveryaddress != null ? deliveryaddress.contactName : '' }}
          {{ deliveryaddress != null ? getSexText(deliveryaddress.contactSex) : '' }}
          {{ deliveryaddress != null ? deliveryaddress.contactTel : '' }}
        </p>
      </div>
    </div>
    <h3>{{ business.businessName }}</h3>
    <!-- 订单明细部分 -->
    <div class="detail">
      <ul class="order-detailed">
        <li v-for="item in cartArr">
          <div class="order-detailed-left">
            <img :src="item.food.foodImg">
            <p>{{ item.food.foodName }} x {{ item.quantity }}</p>
          </div>
          <p>&#165;{{ item.food.foodPrice * item.quantity }}</p>
        </li>
      </ul>
      <div class="order-deliveryfee">
        <p>配送费</p>
        <p>&#165;{{ business.deliveryPrice }}</p>
      </div>

      <div class="coupon-select" @click="toCouponSelect">
        <p>选择消费券</p>
        <p>{{ getCouponName() }}</p>
      </div>
    </div>
    <!-- 合计部分 -->
    <div class="total">
      <div class="total-left">
        &#165;{{ totalPrice }}
      </div>
      <div class="box">
        <div class="total-right" @click="toPayment">
          提交订单
        </div>
      </div>
    </div>
  </div>
</template>

<script>
export default {
  name: 'Orders',
  data() {
    return {
      businessId: this.$route.query.businessId,
      business: {},
      user: {},
      cartArr: [],
      deliveryaddress: {},
      availablePointArr: [],
      couponUsed: {}
    }
  },
  created() {
    this.user = this.$getSessionStorage('user');
    this.deliveryaddress = this.$getLocalStorage(this.user.userId);
    this.couponUsed = this.$getLocalStorage(this.businessId);
    //查询当前商家
    let businessUrl = `BusinessController/getBusinessById/${this.businessId}`
    this.$axios.get(businessUrl).then(response => {
      this.business = response.data.result;
    }).catch(error => {
      console.error(error);
    });

    //查询当前用户在购物车中的当前商家食品列表
    let cartUrl = `CartController/listCart/${this.user.userId}/${this.businessId}`
    this.$axios.get(cartUrl).then(response => {
      this.cartArr = response.data.result;
    }).catch(error => {
      console.error(error);
    });
  },
  computed: {
    totalPrice() {
      let totalPrice = 0;
      for (let cartItem of this.cartArr) {
        totalPrice += cartItem.food.foodPrice * cartItem.quantity;
      }
      totalPrice += this.business.deliveryPrice;

      //积分券包界面新增
      if (this.couponUsed != null) {
        totalPrice -= this.couponUsed.minusNum;
      }
      return totalPrice;
    }
  },
  methods: {
    back() {
      this.$router.go(-1);
    },
    getSexText(sex) {
      return sex === 1 ? '先生' : '女士';
    },
    toUserAddress() {
      this.$router.push({
        path: '/userAddress',
        query: {
          businessId: this.businessId
        }
      });
    },
    toPayment() {
      if (this.deliveryaddress == null) {
        alert('请选择送货地址！');
        return;
      }

      //创建订单

      let url = `OrdersController/createOrders/${this.user.userId}/${this.businessId}/${this.deliveryaddress.daId}/${this.totalPrice}`
      this.$axios.post(url).then(response => {
        let orderId = response.data.result;
        if (orderId > 0) {
          //积分系统新增代码
          if (this.couponUsed != null) {
            this.$axios.delete(`CouponController/deleteCouponByCouponId/${this.couponUsed.couponId}`);
          }
          this.$router.push({
            path: '/payment',
            query: {
              orderId: orderId,
              userId: this.user.userId,
              reduction: this.couponUsed===null?0:this.couponUsed.minusNum
            }
          });
          this.$removeSessionStorage(this.businessId);

        } else {
          alert('创建订单失败！');
        }
      }).catch(error => {
        console.error(error);
      });
    },
    toCouponSelect() {
      this.$router.push(
          {
            path: '/CouponSelect',
            query: {
              businessId: this.businessId
            }
          });
    },
    getCouponName() {
      if (this.couponUsed == null) {
        return "不使用优惠券";
      } else {
        return "满" + this.couponUsed.limitNum + "减" + this.couponUsed.minusNum + "优惠券";
      }
    }
  }
}
</script>

<style scoped>
/****************** 总容器 ******************/
.wrapper {
  width: 100%;
  height: 100%;
}

/****************** header部分 ******************/
.wrapper header {
  width: 100%;
  height: 12vw;
  background-color: #01B0F2;
  font-size: 4.8vw;
  color: #fff;

  z-index: 10;

  display: flex;
  justify-content: flex-start;
  align-items: center;

  position: fixed;
  left: 0;
  top: 0;
}

.wrapper header i {
  margin: 0vw 0vw 0vw 3vw;
  font-size: 6vw;
  user-select: none;
  cursor: pointer;
}

.wrapper header p {
  margin: 0vw 0vw 0vw 33.5vw;
}

/****************** 订单信息部分 ******************/
.wrapper .order-info {
  /*注意这里，不设置高，靠内容撑开。因为地址有可能折行*/
  width: 100%;
  background-color: #01B0F2;
  box-sizing: border-box;
  padding: 2vw 2vw;
  color: #fff;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.wrapper .order-info .box {
  /*注意这里，不设置高，靠内容撑开。因为地址有可能折行*/
  width: 100%;
  margin-top: 12vw;
  background-color: #fff;
  box-sizing: border-box;
  padding: 2vw;
  color: black;
  border-radius: 2vw;
}

.wrapper .order-info h5 {
  font-size: 3vw;
  font-weight: 300;
}

.wrapper .order-info .order-info-address {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 700;
  user-select: none;
  cursor: pointer;
  margin: 1vw 0;
}

.wrapper .order-info .order-info-address p {
  width: 90%;
  font-size: 5vw;
}

.wrapper .order-info .order-info-address i {
  font-size: 6vw;
}

.wrapper .order-info p {
  font-size: 3.5vw;
}

.wrapper h3 {
  box-sizing: border-box;
  padding: 3vw;
  font-size: 4vw;
  color: #666;
  border-bottom: solid 1px #DDD;
}

/****************** 订单明细部分 ******************/
.wrapper .detail {
  width: 100%;
  padding-bottom: 14vw;
}

.wrapper .order-detailed {
  width: 100%;
}

.wrapper .order-detailed li {
  width: 100%;
  height: 16vw;
  box-sizing: border-box;
  padding: 3vw;
  color: #666;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.wrapper .order-detailed li .order-detailed-left {
  display: flex;
  align-items: center;
}

.wrapper .order-detailed li .order-detailed-left img {
  width: 10vw;
  height: 10vw;
}

.wrapper .order-detailed li .order-detailed-left p {
  font-size: 3.5vw;
  margin-left: 3vw;
}

.wrapper .order-detailed li p {
  font-size: 3.5vw;
}

.wrapper .order-deliveryfee {
  width: 100%;
  height: 16vw;
  box-sizing: border-box;
  padding: 3vw;
  color: #666;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 3.5vw;
}

.wrapper .coupon-select {
  width: 100%;
  height: 16vw;
  box-sizing: border-box;
  padding: 3vw;
  color: #666;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 3.5vw;
  cursor: pointer;
}

/****************** 订单合计部分 ******************/
.wrapper .total {
  width: 100%;
  height: 14vw;
  position: fixed;
  left: 0;
  bottom: 0;
  display: flex;
}

.wrapper .total .total-left {
  flex: 2;
  background-color: #505051;
  color: #fff;
  font-size: 4.5vw;
  font-weight: 700;
  user-select: none;
  display: flex;
  justify-content: center;
  align-items: center;
}

.wrapper .total .box {
  flex: 1;
  background-color: #505051;
  padding: 2vw 2vw;
}

.wrapper .total .box .total-right {
  width: 100%;
  height: 100%;
  background-color: #01B0F2;
  color: #fff;
  font-size: 4.5vw;
  font-weight: 700;
  user-select: none;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 8vw;
}
</style>