export type CourseLevel = "Beginner" | "Intermediate" | "Advanced";
export type LessonType = "video" | "reading" | "interactive";

export type Lesson = {
  id: string;
  title: string;
  type: LessonType;
  minutes: number;
  isPreview?: boolean;
  videoUrl?: string;
};

export type Course = {
  slug: string;
  title: string;
  level: CourseLevel;
  summary: string;
  rating: number;
  weeks: number;
  lessonsCount: number;
  students: number;
  instructor: string;
  lessons: Lesson[];
};