<?php

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

class CreatePurchaseOrdersTable extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('purchase_orders', function (Blueprint $table) {
            $table->bigIncrements('id');

            $table->string('no_po')->nullable();
            $table->string('reference')->nullable();

            $table->date('transaction_date')->nullable();
            $table->date('delivery_date')->nullable();

            $table->bigInteger('chart_of_account_id')->unsigned()->nullable();
            $table->foreign('chart_of_account_id')
                ->references('id')
                ->on('chart_of_accounts')
                ->onDelete('set null');
            
            $table->bigInteger('supplier_id')->unsigned();
            // $table->foreign('supplier_id')
            //     ->references('id')
            //     ->on('suppliers')
            //     ->onDelete('cascade');

            $table->bigInteger('warehouse_id')->unsigned();
            $table->foreign('warehouse_id')
                ->references('id')
                ->on('warehouses')
                ->onDelete('cascade');

            $table->bigInteger('price_list_id')->unsigned()->nullable();
            $table->foreign('price_list_id')
                    ->references('id')
                    ->on('price_lists')
                    ->onDelete('set null');

            $table->enum('status', ['draft', 'received']);

            $table->timestamps();
        });
    }

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