<?php

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

class AddSoftdeletesToAddresses extends Migration
{
	/**
	 * Run the migrations.
	 *
	 * @return void
	 */
	public function up()
	{
		Schema::table('addresses', function (Blueprint $table) {
			$table->dropUnique(['zone_id','region_id','host_id','node_id']);
			$table->dropUnique(['zone_id','host_id','node_id','point_id']);

			$table->integer('hub_id')->nullable();
			$table->foreign('hub_id')->references('id')->on('addresses');
			$table->softDeletes();
		});

		DB::statement("ALTER TABLE addresses ALTER COLUMN region_id set NOT NULL");
		DB::statement("ALTER TABLE addresses ALTER COLUMN host_id set NOT NULL");
		DB::statement("CREATE UNIQUE INDEX active_addresses ON addresses (zone_id,region_id,host_id,node_id,point_id) WHERE active = true");
	}

	/**
	 * Reverse the migrations.
	 *
	 * @return void
	 */
	public function down()
	{
		Schema::table('addresses', function (Blueprint $table) {
			$table->dropSoftDeletes();
			$table->dropForeign(['hub_id']);
			$table->dropColumn('hub_id');
			$table->dropIndex('active_addresses');
			$table->unique(['zone_id','region_id','host_id','node_id']);
			$table->unique(['zone_id','host_id','node_id','point_id']);
		});
	}
}