<?php

namespace Yuvayana\Acadlix\Common\Models;

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

class Models
{
  protected array $instances = [];

  protected function getInstance(string $key, string $class)
  {
    $blog_id = function_exists('get_current_blog_id') ? get_current_blog_id() : 1;
    $cache_key = $blog_id . ':' . $key;

    if (!isset($this->instances[$cache_key])) {
      $this->instances[$cache_key] = new $class();
    }

    return $this->instances[$cache_key];
  }

  public function course(): Course|null
  {
    return $this->getInstance('course', Course::class);
  }

  public function courseCart(): CourseCart|null
  {
    return $this->getInstance('courseCart', CourseCart::class);
  }

  public function courseSection(): CourseSection|null
  {
    return $this->getInstance('courseSection', CourseSection::class);
  }

  public function courseSectionContent(): CourseSectionContent|null
  {
    return $this->getInstance('courseSectionContent', CourseSectionContent::class);
  }

  public function courseStatistic(): CourseStatistic|null
  {
    return $this->getInstance('courseStatistic', CourseStatistic::class);
  }

  public function language(): Language|null
  {
    return $this->getInstance('language', Language::class);
  }

  public function lesson(): Lesson|null
  {
    return $this->getInstance('lesson', Lesson::class);
  }

  public function lessonCategory(): LessonCategory|null
  {
    return $this->getInstance('lessonCategory', LessonCategory::class);
  }

  public function order(): Order|null
  {
    return $this->getInstance('order', Order::class);
  }

  public function orderItem(): OrderItem|null
  {
    return $this->getInstance('orderItem', OrderItem::class);
  }

  public function orderMeta(): OrderMeta|null
  {
    return $this->getInstance('orderMeta', OrderMeta::class);
  }

  public function question(): Question|null
  {
    return $this->getInstance('question', Question::class);
  }

  public function questionLang(): QuestionLang|null
  {
    return $this->getInstance('questionLang', QuestionLang::class);
  }

  public function quiz(): Quiz|null
  {
    return $this->getInstance('quiz', Quiz::class);
  }

  public function quizShortcode(): QuizShortcode|null
  {
    return $this->getInstance('quizShortcode', QuizShortcode::class);
  }

  public function category(): Category|null
  {
    return $this->getInstance('category', Category::class);
  }

  public function statistic(): Statistic|null
  {
    return $this->getInstance('statistic', Statistic::class);
  }

  public function statisticRef(): StatisticRef|null
  {
    return $this->getInstance('statisticRef', StatisticRef::class);
  }

  public function subject(): Subject|null
  {
    return $this->getInstance('subject', Subject::class);
  }

  public function template(): Template|null
  {
    return $this->getInstance('template', Template::class);
  }

  public function toplist(): Toplist|null
  {
    return $this->getInstance('toplist', Toplist::class);
  }

  public function userActivityMeta(): UserActivityMeta|null
  {
    return $this->getInstance('userActivityMeta', UserActivityMeta::class);
  }

  public function wpPostMeta(): WpPostMeta|null
  {
    return $this->getInstance('wpPostMeta', WpPostMeta::class);
  }

  public function wpPosts(): WpPosts|null
  {
    return $this->getInstance('wpPosts', WpPosts::class);
  }

  public function wpUserMeta(): WpUserMeta|null
  {
    return $this->getInstance('wpUserMeta', WpUserMeta::class);
  }

  public function wpUsers(): WpUsers|null
  {
    return $this->getInstance('wpUsers', WpUsers::class);
  }

  public function courseReview(): CourseReview|null
  {
    return $this->getInstance('courseReview', CourseReview::class);
  }

  public function comment(): Comment|null
  {
    return $this->getInstance('comment', Comment::class);
  }

  public function commentMeta(): CommentMeta|null
  {
    return $this->getInstance('commentMeta', CommentMeta::class);
  }

  public function wpTerm(): WpTerm|null
  {
    return $this->getInstance('wpTerm', WpTerm::class);
  }

  public function wpTermTaxonomy(): WpTermTaxonomy|null
  {
    return $this->getInstance('wpTermTaxonomy', WpTermTaxonomy::class);
  }

  public function wpTermRelationship(): WpTermRelationship|null
  {
    return $this->getInstance('wpTermRelationship', WpTermRelationship::class);
  }

  public function coupon(): Coupon|null
  {
    return $this->getInstance('coupon', Coupon::class);
  }

  public function announcement(): Announcement|null
  {
    return $this->getInstance('announcement', Announcement::class);
  }

  public function courseEnrollment(): CourseEnrollment|null
  {
    return $this->getInstance('courseEnrollment', CourseEnrollment::class);
  }

  public function enrollmentSource(): EnrollmentSource|null
  {
    return $this->getInstance('enrollmentSource', EnrollmentSource::class);
  }
}