<?php declare(strict_types = 1);

namespace MailPoet\WooCommerce\TransactionalEmails;

use Codeception\Stub;
use MailPoet\Entities\NewsletterEntity;
use MailPoet\Features\FeaturesController;
use MailPoet\Logging\LoggerFactory;
use MailPoet\Newsletter\Editor\LayoutHelper as L;
use MailPoet\Newsletter\NewslettersRepository;
use MailPoet\Newsletter\Renderer\Preprocessor;
use MailPoet\Newsletter\Renderer\Renderer as NewsletterRenderer;
use MailPoet\Newsletter\Sending\SendingQueuesRepository;
use MailPoet\Newsletter\Shortcodes\Shortcodes as NewsletterShortcodes;
use MailPoet\Util\License\Features\CapabilitiesManager;
use MailPoet\WP\Functions as WPFunctions;
use MailPoetVendor\csstidy;

/**
 * @group woo
 */
class RendererTest extends \MailPoetTest {
  /** @var NewsletterEntity */
  private $newsletter;

  /** @var NewslettersRepository */
  private $newslettersRepository;

  public function _before() {
    parent::_before();
    $this->newsletter = new NewsletterEntity();
    $this->newslettersRepository = $this->diContainer->get(NewslettersRepository::class);
    $this->newsletter->setSubject('WooCommerce Transactional Email');
    $this->newsletter->setType(NewsletterEntity::TYPE_WC_TRANSACTIONAL_EMAIL);
    $this->newsletter->setPreheader('');
    $this->newsletter->setBody([
      'content' => L::col([
        L::row([L::col([['type' => 'text', 'text' => 'Some text before heading']])]),
        ['type' => 'woocommerceHeading'],
        L::row([L::col([['type' => 'text', 'text' => 'Some text between heading and content']])]),
        ['type' => 'woocommerceContent'],
        L::row([L::col([['type' => 'text', 'text' => 'Some text after content']])]),
      ]),
    ]);
  }

  public function testGetHTMLBeforeContent() {
    $renderer = $this->getRenderer();
    $renderer->render($this->newsletter, 'Heading Text');
    $html = $renderer->getHTMLBeforeContent();
    verify($html)->stringContainsString('Some text before heading');
    verify($html)->stringContainsString('Heading Text');
    verify($html)->stringContainsString('Some text between heading and content');
    verify($html)->stringNotContainsString('Some text after content');
  }

  public function testGetHTMLAfterContent() {
    $renderer = $this->getRenderer();
    $renderer->render($this->newsletter, 'Heading Text');
    $html = $renderer->getHTMLAfterContent();
    verify($html)->stringNotContainsString('Some text before heading');
    verify($html)->stringNotContainsString('Heading Text');
    verify($html)->stringNotContainsString('Some text between heading and content');
    verify($html)->stringContainsString('Some text after content');
  }

  public function testRenderHeadingTextWhenHeadingBlockMovedToFooter() {
    $this->newsletter->setBody([
      'content' => L::col([
        L::row([L::col([['type' => 'text', 'text' => 'Some text before heading']])]),
        L::row([L::col([['type' => 'text', 'text' => 'Some text between heading and content']])]),
        ['type' => 'woocommerceContent'],
        ['type' => 'woocommerceHeading'],
        L::row([L::col([['type' => 'text', 'text' => 'Some text after content']])]),
      ]),
    ]);
    $this->newslettersRepository->persist($this->newsletter);
    $renderer = $this->getRenderer();
    $renderer->render($this->newsletter, 'Heading Text');
    $html = $renderer->getHTMLAfterContent();
    verify($html)->stringContainsString('Heading Text');
    verify($html)->stringContainsString('Some text after content');
  }

  public function testPrefixCss() {
    $renderer = $this->getRenderer(true);
    $css = $renderer->enhanceCss('
      #some_id {color: black}
      .some-class {height: 50px; width: 30px}
      h1 {
        font-weight:bold;
      }
    ', $this->newsletter);
    verify($css)->stringContainsString("#mailpoet_woocommerce_container #some_id {\ncolor:black\n}");
    verify($css)->stringContainsString("#mailpoet_woocommerce_container .some-class {\nheight:50px;\nwidth:30px\n}");
    verify($css)->stringContainsString("#mailpoet_woocommerce_container h1 {\nfont-weight:700\n}");
  }

  public function testItReplaceShortcodes() {
    $this->newsletter->setBody([
      'content' => L::col([
        L::row([L::col([['type' => 'text', 'text' => 'Some text before heading']])]),
        L::row([L::col([['type' => 'text', 'text' => 'Some text between heading and content']])]),
        ['type' => 'woocommerceContent'],
        ['type' => 'woocommerceHeading'],
        L::row([L::col([['type' => 'text', 'text' => 'Some text after content']])]),
        L::row([L::col([
          ['type' => 'text', 'text' => '[site:title]'],
          ['type' => 'text', 'text' => '[site:homepage_url]'],
          ['type' => 'text', 'text' => '[date:mtext]'],
          ['type' => 'text', 'text' => '[date:y]'],
        ])]),
      ]),
    ]);
    $this->newslettersRepository->persist($this->newsletter);
    $renderer = $this->getRenderer();
    $renderer->render($this->newsletter, 'Heading Text');
    $html = $renderer->getHTMLAfterContent();

    /** @var string $blogName - for PHPStan */
    $blogName = get_option('blogname');
    $siteName = strval($blogName);
    verify($html)->stringContainsString($siteName); // [site:title]
    /** @var string $home - for PHPStan */
    $home = get_option('home');
    $siteUrl = strval($home);
    verify($html)->stringContainsString($siteUrl); // [site:homepage_url]

    verify($html)->stringContainsString(date_i18n('F', WPFunctions::get()->currentTime('timestamp'))); // [date:mtext]
    verify($html)->stringContainsString(date_i18n('Y', WPFunctions::get()->currentTime('timestamp'))); // [date:y]
  }

  public function testItDoesntChangeFontFamilyWhenNotSaveWithFlag() {
    $this->newsletter->setBody([
      'globalStyles' => [
        'woocommerce' => [
          'headingFontFamily' => 'Comic Sans MS',
        ],
      ],
    ]);
    $css = $this->getWooEmailStyles();
    $updatedCss = $this->getRenderer(true)->enhanceCss($css, $this->newsletter);
    verify($updatedCss)->stringNotContainsString('Comic Sans MS');
  }

  public function testItChangesCssForHeadings() {
    $this->newsletter->setBody([
      'globalStyles' => [
        'h1' => [
          'fontSize' => '1px',
        ],
        'h2' => [
          'fontSize' => '2px',
        ],
        'h3' => [
          'fontSize' => '3px',
        ],
        'woocommerce' => [
          'headingFontFamily' => 'Comic Sans MS',
          'contentHeadingFontColor' => '#aaaaaa',
          'isSavedWithUpdatedStyles' => true,
        ],
      ],
    ]);
    $css = $this->getWooEmailStyles();
    $updatedCss = $this->getRenderer(true)->enhanceCss($css, $this->newsletter);
    $h1Styles = $this->getCssDefinitionsForSelector('#mailpoet_woocommerce_container h1', $updatedCss);
    verify($h1Styles)->stringContainsString('font-family:Comic Sans MS');
    verify($h1Styles)->stringContainsString('font-size:1px');
    verify($h1Styles)->stringContainsString('color:#aaaaaa');
    $h2Styles = $this->getCssDefinitionsForSelector('#mailpoet_woocommerce_container h2', $updatedCss);
    verify($h2Styles)->stringContainsString('font-family:Comic Sans MS');
    verify($h2Styles)->stringContainsString('font-size:2px');
    verify($h2Styles)->stringContainsString('color:#aaaaaa');
    $h3Styles = $this->getCssDefinitionsForSelector('#mailpoet_woocommerce_container h3', $updatedCss);
    verify($h3Styles)->stringContainsString('font-family:Comic Sans MS');
    verify($h3Styles)->stringContainsString('font-size:3px');
    verify($h3Styles)->stringContainsString('color:#aaaaaa');
  }

  public function testItChangesStylesForWooContent() {
    $this->newsletter->setBody([
      'globalStyles' => [
        'text' => [
          'fontFamily' => 'Comic Sans MS',
          'fontSize' => '1px',
        ],
        'woocommerce' => [
          'isSavedWithUpdatedStyles' => true,
        ],
      ],
    ]);
    $css = $this->getWooEmailStyles();
    $updatedCss = $this->getRenderer(true)->enhanceCss($css, $this->newsletter);
    $contentStyles = $this->getCssDefinitionsForSelector('#mailpoet_woocommerce_container #body_content_inner', $updatedCss);
    verify($contentStyles)->stringContainsString('font-family:Comic Sans MS');
    verify($contentStyles)->stringContainsString('font-size:1px');
  }

  public function testItAddCSSForWooHeading() {
    $this->newsletter->setBody([
      'globalStyles' => [
        'woocommerce' => [
          'isSavedWithUpdatedStyles' => true,
          'headingFontColor' => '#ff0000',
        ],
      ],
    ]);
    $css = $this->getWooEmailStyles();
    $updatedCss = $this->getRenderer(true)->enhanceCss($css, $this->newsletter);
    $headerStyles = $this->getCssDefinitionsForSelector('#mailpoet-woo-email-header', $updatedCss);
    verify($headerStyles)->stringContainsString('color: #ff0000 !important');
  }

  public function testItSetsProperColorForHeadingInHeader() {
    $this->newsletter->setBody([
      'globalStyles' => [
        'woocommerce' => [
          'isSavedWithUpdatedStyles' => true,
          'headingFontColor' => '#ff0000',
        ],
      ],
    ]);
    $css = $this->getWooEmailStyles();
    $updatedCss = $this->getRenderer(true)->enhanceCss($css, $this->newsletter);
    $headerStyles = $this->getCssDefinitionsForSelector('#mailpoet-woo-email-header', $updatedCss);
    verify($headerStyles)->stringContainsString('color: #ff0000 !important');
  }

  public function testItUpdatesFontFamilyInsideWooContentAndRemovesSeparators() {
    $emailContent = '<h1 style="font-family:Arial;">Heading not in Woo</h1><!--WooContent--><p style="font-family:Arial;">Content</p><!--WooContent--><h2 style="font-family:Arial;">Footer not in Woo</h2>';
    $this->newsletter->setBody([
      'globalStyles' => [
        'text' => [
          'fontFamily' => 'Verdana',
        ],
        'woocommerce' => [
          'isSavedWithUpdatedStyles' => true,
        ],
      ],
    ]);
    $renderer = $this->getRenderer(true);
    $html = $renderer->updateRenderedContent($this->newsletter, $emailContent);
    verify($html)->equals('<h1 style="font-family:Arial;">Heading not in Woo</h1><p style="font-family:Verdana;">Content</p><h2 style="font-family:Arial;">Footer not in Woo</h2>');
  }

  private function getNewsletterRenderer(): NewsletterRenderer {
    $wooPreprocessor = new ContentPreprocessor(Stub::make(
      \MailPoet\WooCommerce\TransactionalEmails::class,
      [
        'getWCEmailSettings' => [
          'base_text_color' => '',
          'base_color' => '',
        ],
      ]
    ));
    return new NewsletterRenderer(
      $this->diContainer->get(\MailPoet\Newsletter\Renderer\BodyRenderer::class),
      $this->diContainer->get(\MailPoet\EmailEditor\Engine\Renderer\Renderer::class),
      new Preprocessor(
        $this->diContainer->get(\MailPoet\Newsletter\Renderer\Blocks\AbandonedCartContent::class),
        $this->diContainer->get(\MailPoet\Newsletter\Renderer\Blocks\AutomatedLatestContentBlock::class),
        $wooPreprocessor,
        $this->diContainer->get(\MailPoet\WooCommerce\CouponPreProcessor::class)
      ),
      $this->diContainer->get(\MailPoetVendor\CSS::class),
      $this->diContainer->get(WPFunctions::class),
      $this->diContainer->get(LoggerFactory::class),
      $this->diContainer->get(NewslettersRepository::class),
      $this->diContainer->get(SendingQueuesRepository::class),
      $this->diContainer->get(FeaturesController::class),
      $this->diContainer->get(CapabilitiesManager::class)
    );
  }

  private function getRenderer($useNewsletterDI = false) {
    $newsletterRenderer = $useNewsletterDI ? $this->diContainer->get(NewsletterRenderer::class) : $this->getNewsletterRenderer();
    return new Renderer(
      new csstidy,
      $newsletterRenderer,
      $this->diContainer->get(NewsletterShortcodes::class)
    );
  }

  private function getWooEmailStyles() {
    $wp = $this->diContainer->get(WPFunctions::class);
    $wp->updateOption('woocommerce_email_background_color', '#ffffff');
    $wp->updateOption('woocommerce_email_body_background_color', '#ffffff');
    $wp->updateOption('woocommerce_email_base_color', '#663399');
    $wp->updateOption('woocommerce_email_text_color', '#111111');
    ob_start();
    wc_get_template('emails/email-styles.php');
    return ob_get_clean();
  }

  private function getCssDefinitionsForSelector(string $selector, string $css) {
    $pattern = '/' . preg_quote($selector, '/') . '[^}]*\{([^}]*)}/';
    if (preg_match($pattern, $css, $matches)) {
      return trim($matches[1]);
    } else {
      return '';
    }
  }
}