<?php
use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;

class CreateEntrustTables extends Migration
{
    public function up()
    {
        DB::beginTransaction();

        // Create table for storing roles
        Schema::create('{{ $rolesTable }}', function(Blueprint $table)
		{
            $table->increments('id');
            $table->string('name')->unique();
            $table->string('title')->nullable();
            $table->string('description')->nullable();
            $table->timestamps();
        });

		// Create table for storing permissions
        Schema::create('{{ $permissionsTable }}', function(Blueprint $table)
		{
            $table->increments('id');
            $table->string('name')->unique();
            $table->string('title')->nullable();
            $table->string('description')->nullable();
            $table->timestamps();
        });

        // Create table for associating roles to users (Many-to-Many)
        Schema::create('{{ $userRoleTable }}', function(Blueprint $table)
		{
            $table->integer('user_id')->unsigned();
            $table->integer('role_id')->unsigned();

            $table->foreign('user_id')->references('{{ $userKeyName }}')->on('{{ $usersTable }}')
                ->onUpdate('cascade')->onDelete('cascade');
            $table->foreign('role_id')->references('id')->on('{{ $rolesTable }}')
                ->onUpdate('cascade')->onDelete('cascade');

            $table->primary(['user_id', 'role_id']);
        });

        // Create table for associating permissions to roles (Many-to-Many)
        Schema::create('{{ $rolePermissionTable }}', function(Blueprint $table)
		{
			$table->integer('role_id')->unsigned();
            $table->integer('permission_id')->unsigned();

			$table->foreign('role_id')->references('id')->on('{{ $rolesTable }}')
                ->onUpdate('cascade')->onDelete('cascade');
            $table->foreign('permission_id')->references('id')->on('{{ $permissionsTable }}')
                ->onUpdate('cascade')->onDelete('cascade');

            $table->primary(['role_id', 'permission_id']);
        });

        DB::commit();
    }

    public function down()
    {
		Schema::drop('{{ $rolesTable }}');
        Schema::drop('{{ $permissionsTable }}');
        Schema::drop('{{ $userRoleTable }}');
		Schema::drop('{{ $rolePermissionTable }}');
        
    }
}