<template>
  <el-form ref="form" :model="form" label-width="120px">
    <el-form-item label="商品名称">
      <el-input v-model="form.name" size="mini"></el-input>
    </el-form-item>
    <el-form-item label="商品简介">
      <el-input v-model="form.describe" size="mini"></el-input>
    </el-form-item>
    <el-form-item label="商品原价">
      <el-input v-model="form.price" size="mini"></el-input>
    </el-form-item>
    <el-form-item label="商品折扣价">
      <el-input v-model="form.discountPrice" size="mini"></el-input>
    </el-form-item>
    <el-form-item label="商品图标">
      <el-upload
        class="avatar-uploader"
        :action="uploadAction"
        :show-file-list="false"
        :on-success="onUploadSuccess"
        :before-upload="onBeforeUpload"
      >
        <img v-if="form.icon" :src="form.icon" class="avatar" />
        <i v-else class="el-icon-plus avatar-uploader-icon"></i>
      </el-upload>
      <p class="zy">注意：图标比例一定要1:1</p>
    </el-form-item>
    <el-form-item>
      <el-button type="primary" @click="save" size="mini">保存</el-button>
      <el-button @click="goBack" size="mini">取消</el-button>
    </el-form-item>
  </el-form>
</template>
<script>
export default {
  data() {
    return {
      uploadAction: process.env.SERVER_PATH + "upload",
      form: {
        gid: 0,
        name: "",
        describe: "",
        price: "",
        discountPrice: "",
        icon: "",
        status: false
      }
    };
  },
  methods: {
    onBeforeUpload: function(file) {
      const isJPG = file.type === "image/jpeg";
      const isPNG = file.type === "image/png";

      if (!isJPG && !isPNG) {
        this.$message.error("上传商品图标只能是 JPG/PNG 格式!");
        return false;
      } else {
        return true;
      }
    },
    onUploadSuccess: function(res, file) {
      if (res.code != 0) {
        this.$message.error(
          "上传图片失败 原因:" + res.msg + "(" + res.code + ")"
        );
        return;
      } else {
        this.form.icon = res.obj;
      }
    },
    save: function() {
      let goods = {
        gid: this.form.gid,
        name: this.form.name,
        describe: this.form.describe,
        icon: this.form.icon,
        status: this.form.status ? 1 : 0,
        price: this.form.price,
        discountPrice: this.form.discountPrice
      };
      let that = this;
      this.$http.editGoodsBase(goods, this).then(data => {
        if (data.code === 0) {
          this.$message({
            message: "操作成功",
            type: "success",
            duration: 1000,
            onClose: function() {
              that.$router.push("/goodsManager");
            }
          });
        }
      });
    },
    goBack: function() {
      this.$router.back();
    }
  },
  mounted: function() {
    var gid = this.$route.query.gid;
    this.form.gid = gid;
    if (gid === 0) {
      return;
    }

    this.$http.getOneGood({ gid: gid }, this).then(res => {
      if (res.code === 0) {
        var base = res.obj;
        this.form.name = base.name;
        this.form.describe = base.describe;
        this.form.price = base.price.price;
        this.form.discountPrice = base.price.discountPrice;
        this.form.icon = base.icon;
      }
    });
  }
};
</script>


<style scoped>
.avatar-uploader .el-upload {
  border: 1px dashed #d9d9d9;
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  width: 178px;
}
.avatar-uploader .el-upload:hover {
  border-color: #409eff;
}
.avatar-uploader img {
  height: 100%;
  width: 100%;
}
.el-form-item {
  margin-bottom: 0px;
}
.avatar {
  width: 178px;
  height: 178px;
  display: block;
}

.zy {
  color: red;
}
</style>