<template>
  <div class="cart">
    <Cart-Header title="购物车"></Cart-Header>
    <div class="cartMain">
      <ul>
        <li v-for="(cart, index) in carts" class="cartList" :key="index">
          <!-- 购物车单选 -->
          <div class="select" @click="chooseone(cart)">
            <i class="iconfont icon-xuanzekuangmoren" v-show="!cart.danx1uan"></i>
            <i class="iconfont icon-xuanzekuangxuanzhong" v-show="cart.danx1uan" style="color:#25b5fe"></i>
          </div>
          <!-- 购物车商品信息 -->
          <div class="cartImage">
            <img :src="cart.img">
          </div>
          <div class="cartInformation">
            <div class="cartName">{{ cart.name }}
              <a class="iconfont icon-huishouzhan7" @click="shanchu(index)"></a>
            </div>
            <p class="cartPrice">￥{{ cart.price }}</p>
          </div>

          <!-- 购物车商品数量 -->
          <div class="cartNumber">
            <a @click.stop="reduce(index)" class="add">-</a>
            <input type="text" v-model="cart.value" readonly="readonly" />
            <a @click.stop="add(index)" class="reduce">+</a>
          </div>
        </li>
      </ul>
    </div>
    <div class="cartImg" v-if="!carts.length">
      <img src="/static/img/gouwuche.png" alt="购物车图片">
      <h1>购物车是空的哦，快去购物吧</h1>
      <router-link :to="{ name: 'Home' }">逛一逛</router-link>
    </div>
    <div class="cartFooter" v-if="carts.length">
      <div class="checkAll" @click="quanxuan()">
        <i class="iconfont icon-xuanzekuangmoren" v-show="!qx"></i>
        <i class="iconfont icon-xuanzekuangxuanzhong" v-show="qx" style="color:#25b5fe"></i>
        <span>全选</span>
      </div>

      <div class="Total">合计：<span style="font-size: 0.54rem;color:#E3211E">￥{{ sum }}</span></div>

      <div class="Settlement">
        <a @click.stop="goPay">结算 {{ sumValue }}</a>
      </div>
      <!-- <div class="Settlementtwo">
                    <router-link :to="{name:'Home'}" >继续购物</router-link>
                </div> -->
    </div>
  </div>
</template>
<script>
import { Toast, MessageBox } from "mint-ui";
import { mapState, mapMutations, mapGetters } from "vuex";
import CartHeader from '../../common/header'
export default {
  name: "cart",
  data() {
    return {
      qx: false,
    };
  },
  components: {
    CartHeader
  },
  computed: {
    carts() {
      return this.$store.state.carts;
    },
    sum: function () {
      var sum = 0;
      this.$store.state.carts.forEach(cart => {
        if (cart.danx1uan) {
          sum += cart.price * cart.value;
        }
      });
      return sum;
    },
    sumValue() {
      var sumValue = 0;
      this.$store.state.carts.forEach(cart => {
        if (cart.danx1uan) {
          sumValue += parseInt(cart.value);
        }
      });
      return sumValue;
    }
  },
  methods: {
    ...mapMutations(["shanchu", "add", "reduce", "settlement"]),

    chooseone(cart) {
      cart.danx1uan = !cart.danx1uan;
      for (var i = 0; i < this.carts.length; i++) {
        if (this.carts[i].danx1uan == false) {
          this.qx = false;
          break;
        } else {
          this.qx = true;
        }
      }
    },
    quanxuan() {
      console.log((this.$store.state.carts));
      this.qx = !this.qx;
      if (this.qx) {
        this.$store.state.carts.forEach(cart => {
          cart.danx1uan = true;
        });
      } else {
        this.$store.state.carts.forEach(cart => {
          cart.danx1uan = false;
        });
      }
    },
    goPay() {
      this.$store.state.payGoods = [];
      if (this.sumValue == 0) {
        MessageBox('提示', '请选择至少一个商品!')
      } else {
        this.$router.push({
          path: 'pay',
        })
      };
    }
  },
  created() {
    for (var i = 0; i < this.carts.length; i++) {
      if (this.carts[i].danx1uan == false) {
        this.qx = false;
        break;
      } else {
        this.qx = true;
      }
    }
  }
};
</script>

<style>
.select {
  float: left;
  margin-top: 1.5rem;
  padding-left: 0.5rem;
}

.select i {
  font-size: 0.53rem;
}

.checkAll {
  width: 24%;
  line-height: 1.18rem;
  float: left;
}

.checkAll i {
  font-size: 0.53rem;
  padding-left: .5rem;
}

.cart {
  position: absolute;
  width: 100%;
  height: 100%;
  z-index: 999;
  top: 0;
  left: 0;
  background: #f4f4f4;
}

.cartheader {
  position: fixed;
  width: 100%;
  box-shadow: 0 0 10px #cecece;
  height: 1.3rem;
  line-height: 1.3rem;
  font-size: 0.35rem;
  padding-left: 0.3rem;
  background: white;
  top: 0;
  font-size: 0.41rem;
}

.cartheader i {
  display: block;
  float: left;
  height: 50px;
  font-size: 0.71rem;
  color: black;
  width: 0.9rem;
}

.cartList {
  width: 100%;
  height: 4rem;
  background: white;
  margin-top: 0.04rem;
}

.cartMain {
  margin-top: 1.3rem;
  margin-bottom: 1.24rem;
}

.cartMain ul li {
  list-style: none;
}

.cartImage img {
  width: 2.6rem;
  height: 2.8rem;
}

.cartImage {
  float: left;
  padding: 0.5rem 0.3rem;
}

.cartInformation {
  width: 7.7rem;
  font-size: 0.35rem;
  padding-left: 0.3rem;
  padding-top: 0.6rem;
}

.cartPrice {
  color: red;
  margin-top: 0.2rem;
  font-size: 0.4rem;
}

.cartNumber {
  float: left;
  margin-top: 0.3rem;
}

.cartNumber .add,
.cartNumber .reduce {
  display: block;
  width: 0.75rem;
  height: 0.75rem;
  line-height: 0.75rem;
  border: 1px solid #dedede;
  float: left;
  color: #b2b2b2;
  text-align: center;
  font-size: 0.5rem;
}

.cartNumber input {
  width: 0.96rem;
  height: 0.76rem;
  float: left;
  text-align: center;
  border: 1px solid #dedede;
}

.cartNumber .add {
  border-right: none;
}

.cartNumber .reduce {
  border-left: none;
}

.cartFooter {
  position: fixed;
  width: 100%;
  height: 1.18rem;
  font-size: 0.35rem;
  background: white;
  bottom: 0;
  display: block;
  border-top: 1px solid #f4f4f4;
}

.cartImg img {
  width: 4.4rem;
  height: 5.2rem;
  display: block;
  margin: auto;
  padding-top: 1.5rem;
}

.cartImg a {
  display: block;
  text-align: center;
  margin: 0.8rem auto;
  width: 110px;
  height: 37px;
  line-height: 37px;
  border-radius: 4px;
  text-align: center;
  background: #e0524b;
  color: white;
  font-weight: 800;
  font-size: 0.5rem;
}

.cartName {
  width: 9.3rem;
  font-size: 0.36rem;
}

.cartName a {
  color: black;
  font-size: 0.57rem;
  float: right;
}

.cartImg h1 {
  margin-top: 0.5rem;
  text-align: center;
  color: #959595;
  font-size: 0.6rem;
}

._box {
  width: 63%;
  height: 100%;
  float: left;
}

.Total {
  float: left;
  width: 35%;
  text-align: center;
  line-height: 1.18rem;
  font-size: 0.35rem;
}

.Settlement {
  width: 34%;
  height: 80%;
  background: #f81200;
  float: right;
  margin-top: .1rem;
  border-radius: 40px;
  margin-right: 0.3rem;
}

.Settlementtwo {
  width: 50%;
  height: 100%;
  background: #e3211e;
  float: right;
}

.Settlement a,
.Settlementtwo a {
  color: white;
  text-align: center;
  line-height: .98rem;
  display: block;
  font-size: 0.35rem;
}
</style>