<template>
  <div id="productEditCard">
    <nav class="panel">
      <p class="panel-heading">
        {{ currentProduct.id }}: {{ currentProduct.name }}
      </p>
      <div class="panel-block">
        <input
          class="input"
          type="text"
          placeholder="product name"
          v-model="newProduct.name"
        />
      </div>
      <a class="panel-block">
        mojs
      </a>
      <div class="panel-block" v-if="newProductChanged">
        <button
          class="button is-link is-outlined is-fullwidth"
          @click="saveProduct"
        >
          Save
        </button>
      </div>
    </nav>
  </div>
</template>

<script>
export default {
  name: "ProductEditCard",
  data: function() {
    return {
      newProduct: {
        id: this.currentProduct.id,
        name: this.currentProduct.name,
        quantity: this.currentProduct.quantity,
        cents: this.currentProduct.cents,
        imgPath: this.currentProduct.imgPath,
        description: this.currentProduct.description,
        featured: this.currentProduct.featured,
        categories: this.currentProduct.categories.slice(0)
      }
    };
  },
  props: {
    currentProduct: {
      type: Object,
      required: true
    }
  },
  watch: {
    currentProduct() {
      this.newProduct.id = this.currentProduct.id;
      this.newProduct.name = this.currentProduct.name;
      this.newProduct.quantity = this.currentProduct.quantity;
      this.newProduct.cents = this.currentProduct.cents;
      this.newProduct.imgPath = this.currentProduct.imgPath;
      this.newProduct.description = this.currentProduct.description;
      this.newProduct.featured = this.currentProduct.featured;
      this.newProduct.categories = this.currentProduct.categories.slice(0);
    }
  },
  computed: {
    newProductChanged() {
      // TODO: check categories!
      return (
        this.newProduct.id != this.currentProduct.id ||
        this.newProduct.name != this.currentProduct.name ||
        this.newProduct.quantity != this.currentProduct.quantity ||
        this.newProduct.cents != this.currentProduct.cents ||
        this.newProduct.imgPath != this.currentProduct.imgPath ||
        this.newProduct.description != this.currentProduct.description ||
        this.newProduct.featured != this.currentProduct.featured
      );
    }
  },
  methods: {
    saveProduct() {
      this.$store.dispatch("updateProduct", this.newProduct);
    }
  }
};
</script>
