<?php

use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;

class CreateGoodsTable extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('goods_category', function (Blueprint $table) {
            $table->id();
            $table->string('name')->comment('分类名称');
            $table->string('image')->nullable()->comment('封面图');
            $table->string('description')->nullable()->comment('描述');
            $table->unsignedBigInteger('parent_id')->default(0)->comment('父级ID');
            $table->unsignedInteger('level')->default(1)->comment('层级');
            $table->unsignedInteger('sort')->default(1)->comment('排序 asc');
            $table->unsignedTinyInteger('is_enable')->default(1)->comment('状态');
            $table->string('path')->default('-')->comment('所有的父级ID');

            $table->comment('商品-分类');
        });

        Schema::create('goods_type', function (Blueprint $table) {
            $table->id();
            $table->string('name');
            $table->json('attr')->nullable()->comment('属性[{name: "属性名", values: [可选值]}]');
            $table->json('spec')->nullable()->comment('规格[{name: "属性名", values: [可选值]}]');
            $table->json('part')->nullable()->comment('配件[{name: "属性名", values: [可选值]}]');
            $table->comment('商品-类型');
        });

        Schema::create('goods_brand', function (Blueprint $table) {
            $table->id();
            $table->string('name')->comment('名称');
            $table->string('image')->nullable()->comment('图标');
            $table->comment('商品-品牌');
        });

        Schema::create('goods', function (Blueprint $table) {
            $table->id();
            $table->unsignedBigInteger('category_id')->comment('所属分类, 关联 goods_category.id');
            $table->unsignedBigInteger('merchant_id')->nullable()->comment('商户ID');
            $table->unsignedBigInteger('type_id')->nullable()->comment('所属类别');
            $table->unsignedBigInteger('brand_id')->nullable()->comment('所属品牌');
            $table->string('name')->comment('商品名称');
            $table->string('goods_sn')->comment('编号');
            $table->string('cover_image')->nullable()->comment('封面图');
            $table->json('images')->nullable()->comment('图片集');
            $table->string('description')->nullable()->comment('描述');
            $table->json('content')->nullable()->comment('详细');
            $table->unsignedInteger('on_sale')->default(0)->comment('是否上架');
            $table->unsignedInteger('is_recommend')->default(0)->comment('是否推荐');
            $table->unsignedInteger('stock')->default(0)->comment('库存');
            $table->unsignedInteger('sold_count')->default(0)->comment('销量');
            $table->decimal('price', 12, 2)->comment('售价');
            $table->json('attr')->nullable()->comment('属性[{name, values: [{name, value}]}]');
            $table->json('spec')->nullable()->comment('规格[{name, values: [{name, value}]}]');
            $table->json('part')->nullable()->comment('配件[{name, values: [{name, value}]}]');

            $table->timestamps();

            $table->comment('商品');
        });

        Schema::create('goods_sku', function (Blueprint $table) {
            $table->id();
            $table->string('sn')->comment('货号');
            $table->unsignedBigInteger('goods_id')->comment('所属商品, 关联 goods.id');
            $table->string('name')->comment('名称');
            $table->decimal('price', 12, 2)->comment('价格');
            $table->unsignedInteger('stock')->comment('库存');
            $table->unsignedInteger('sold_count')->default(0)->comment('销量');
            $table->json('spec')->nullable()->comment('规格[{name, value, price}]');

            $table->comment('商品-SKU');
        });
    }

    /**
     * Reverse the migrations.
     *
     * @return void
     */
    public function down()
    {
        Schema::dropIfExists('goods_sku');
        Schema::dropIfExists('goods');
        Schema::dropIfExists('goods_category');
        Schema::dropIfExists('goods_type');
        Schema::dropIfExists('goods_brand');
    }
}