<?php

namespace SilverStripe\BehatExtension\Context;

use Behat\Behat\Context\ClosuredContextInterface,
Behat\Behat\Context\TranslatedContextInterface,
Behat\Behat\Context\BehatContext,
Behat\Behat\Context\Step,
Behat\Behat\Exception\PendingException;
use Behat\Gherkin\Node\PyStringNode,
Behat\Gherkin\Node\TableNode;

// PHPUnit
require_once 'PHPUnit/Autoload.php';
require_once 'PHPUnit/Framework/Assert/Functions.php';

/**
 * LoginContext
 *
 * Context used to define steps related to login and logout functionality
 */
class LoginContext extends BehatContext
{
    protected $context;

    /**
     * Cache for logInWithPermission()
     */
    protected $cache_generatedMembers = array();

    /**
     * Initializes context.
     * Every scenario gets it's own context object.
     *
     * @param array $parameters context parameters (set them up through behat.yml)
     */
    public function __construct(array $parameters)
    {
        // Initialize your context here
        $this->context = $parameters;
    }

    /**
     * Get Mink session from MinkContext
     */
    public function getSession($name = null)
    {
        return $this->getMainContext()->getSession($name);
    }

    /**
     * @Given /^I am logged in$/
     */
    public function stepIAmLoggedIn()
    {
        $c = $this->getMainContext();
        $admin_url = $c->joinUrlParts($c->getBaseUrl(), $c->getAdminUrl());
        $login_url = $c->joinUrlParts($c->getBaseUrl(), $c->getLoginUrl());

        $this->getSession()->visit($admin_url);

        if (0 == strpos($this->getSession()->getCurrentUrl(), $login_url)) {
            $this->stepILogInWith('admin', 'password');
            assertStringStartsWith($admin_url, $this->getSession()->getCurrentUrl());
        }
    }

    /**
     * @Given /^I am logged in with "([^"]*)" permissions$/
     */
    function iAmLoggedInWithPermissions($permCode)
    {
        if (!isset($this->cache_generatedMembers[$permCode])) {
            $group = \Injector::inst()->create('Group');
            $group->Title = "$permCode group";
            $group->write();

            $permission = \Injector::inst()->create('Permission');
            $permission->Code = $permCode;
            $permission->write();
            $group->Permissions()->add($permission);

            $member = \DataObject::get_one('Member', sprintf('"Email" = \'%s\'', "$permCode@example.org"));
            if (!$member) {
                $member = \Injector::inst()->create('Member');
            }

            $member->FirstName = $permCode;
            $member->Surname = "User";
            $member->Email = "$permCode@example.org";
            $member->changePassword('secret');
            $member->write();
            $group->Members()->add($member);

            $this->cache_generatedMembers[$permCode] = $member;
        }

//        $this->cache_generatedMembers[$permCode]->logIn();
        return new Step\Given(sprintf('I log in with "%s" and "%s"', "$permCode@example.org", 'secret'));
    }

    /**
     * @Given /^I am not logged in$/
     */
    public function stepIAmNotLoggedIn()
    {
        $this->getSession()->reset();
    }

    /**
     * @When /^I log in with "([^"]*)" and "([^"]*)"$/
     */
    public function stepILogInWith($email, $password)
    {
        $c = $this->getMainContext();
        $login_url = $c->joinUrlParts($c->getBaseUrl(), $c->getLoginUrl());

        $this->getSession()->visit($login_url);

        $page = $this->getSession()->getPage();

        $email_field = $page->find('css', '[name=Email]');
        $password_field = $page->find('css', '[name=Password]');
        $submit_button = $page->find('css', '[type=submit]');
        $email_field->setValue($email);
        $password_field->setValue($password);
        $submit_button->press();
    }

    /**
     * @Given /^I should see a log-in form$/
     */
    public function stepIShouldSeeALogInForm()
    {
        $page = $this->getSession()->getPage();

        $login_form = $page->find('css', '#MemberLoginForm_LoginForm');
        assertNotNull($login_form, 'I should see a log-in form');
    }

    /**
     * @Then /^I will see a bad log-in message$/
     */
    public function stepIWillSeeABadLogInMessage()
    {
        $page = $this->getSession()->getPage();

        $bad_message = $page->find('css', '.message.bad');

        assertNotNull($bad_message, 'Bad message not found.');
    }
}