<?php

namespace Yuvayana\Acadlix\Common\Email\Blueprints;

use Yuvayana\Acadlix\Common\Models\Order;

defined('ABSPATH') || exit();

class CourseCompletion extends EmailBlueprint
{
  public function getSlug(): string
  {
    return 'course_completion';
  }

  public function admin(): array
  {
    $course_id = $this->data['courseId'] ?? null;
    $user_id = $this->data['userId'] ?? null;

    $course = acadlix()->model()->course()->find($course_id);
    $user = acadlix()->model()->wpUsers()->find($user_id);

    if (!$course || !$user) {
      return [
        'subject' => '',
        'template' => '',
      ];
    }

    $course_completion_percentage = $course->getCourseCompletionPercentage($user_id) ?? 0;
    if ($course_completion_percentage != 100) {
      return [
        'subject' => '',
        'template' => '',
      ];
    }

    $certificate = acadlix()
      ->model()
      ->userActivityMeta()
      ->ofCertificate()
      ->where('user_id', $user_id)
      ->where('type_id', $course_id)
      ->first();
    $certificate_url = '';
    if ($certificate) {
      $certificate_url = add_query_arg('certificate_id', $certificate->reference_id, get_permalink(acadlix()->helper()->acadlix_get_option('acadlix_certificate_page_id')));
    }

    $r = [
      'username' => $user->display_name ?? '',
      'coursename' => $course->post_title ?? '',
      'date' => acadlix()->helper()->formatDate(current_time('mysql')),
      'year' => wp_date('Y'),
      'sitename' => get_bloginfo('name'),
    ];
    $enable_certificate = $course->rendered_metas['enable_certificate'] ?? false;
    if ($enable_certificate && $certificate_url) {
      $r['certificate_url'] = $certificate_url;
    }

    $subject = sprintf(
      /* translators: 1: username 2: coursename */
      __(' %1$s has completed %2$s', 'acadlix'),
      $r['username'],
      $r['coursename']
    );
    $template = acadlix()->helper()->acadlix_get_email_template(
      'CourseCompletion.php',
      'admin',
      $r
    );

    return [
      'subject' => $subject,
      'template' => $template,
    ];
  }

  public function student(): array
  {
    $course_id = $this->data['courseId'] ?? null;
    $user_id = $this->data['userId'] ?? null;

    $course = acadlix()->model()->course()->find($course_id);
    $user = acadlix()->model()->wpUsers()->find($user_id);

    if (!$course || !$user) {
      return [
        'email' => '',
        'subject' => '',
        'template' => '',
      ];
    }

    $course_completion_percentage = $course->getCourseCompletionPercentage($user_id) ?? 0;
    if ($course_completion_percentage != 100) {
      return [
        'email' => '',
        'subject' => '',
        'template' => '',
      ];
    }

    $certificate = acadlix()
      ->model()
      ->userActivityMeta()
      ->ofCertificate()
      ->where('user_id', $user_id)
      ->where('type_id', $course_id)
      ->first();
    $certificate_url = '';
    if ($certificate) {
      $certificate_url = add_query_arg('certificate_id', $certificate->reference_id, get_permalink(acadlix()->helper()->acadlix_get_option('acadlix_certificate_page_id')));
    }

    $r = [
      'username' => $user->display_name ?? '',
      'coursename' => $course->post_title ?? '',
      'date' => acadlix()->helper()->formatDate(current_time('mysql')),
      'year' => wp_date('Y'),
      'sitename' => get_bloginfo('name'),
    ];
    $enable_certificate = $course->rendered_metas['enable_certificate'] ?? false;
    if ($enable_certificate && $certificate_url) {
      $r['certificate_url'] = $certificate_url;
    }

    $subject = sprintf(
      /* translators: 1: coursename */
      __('You have completed %s!', 'acadlix'),
      $r['coursename']
    );
    $template = acadlix()->helper()->acadlix_get_email_template(
      'CourseCompletion.php',
      'student',
      $r
    );

    return [
      'email' => $user->user_email ?? '',
      'subject' => $subject,
      'template' => $template,
    ];
  }
}