<?php

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

class CreateCouponsTable extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('coupons', function (Blueprint $table) {
            $table->id();
            $table->string('name')->comment('优惠券名称');
            $table->text('description')->nullable()->comment('优惠券说明');
            $table->tinyInteger('type')->default(0)->unsigned()->comment('优惠券类型:1抵扣券，2折扣券');
            $table->unsignedBigInteger('amount')->default(0)->comment('抵扣金额:分/折扣(100)');
            $table->unsignedBigInteger('threshold')->default(0)->comment('使用门槛金额:分');
            $table->unsignedInteger('limit')->default(0)->comment('限量');
            $table->unsignedInteger('sent')->default(0)->comment('已送数量');
            $table->unsignedInteger('stock')->default(0)->comment('剩余量');
            $table->unsignedInteger('use_day')->default(0)->comment('使用期限');
            $table->timestamp('use_start_at')->nullable()->comment('使用开始时间');
            $table->timestamp('use_end_at')->nullable()->comment('使用结束时间');
            $table->timestamps();
        });
    }

    /**
     * Reverse the migrations.
     *
     * @return void
     */
    public function down()
    {
        Schema::dropIfExists('coupons');
    }
}