export type UserRole = 'admin' | 'student';
export type SubscriptionStatus = 'ACTIVE' | 'OVERDUE' | 'CANCELED' | 'TRIAL';

export interface User {
  id: string;
  name: string;
  email: string;
  password?: string;
  role: UserRole;
  subscriptionStatus: SubscriptionStatus;
  asaasCustomerId: string | null;
  unlockedCourses?: string[]; // IDs of courses unlocked individually
  createdAt: string;
}

export interface Course {
  id: string;
  title: string;
  description: string;
  thumbnail: string;
  category: string;
  isLocked?: boolean; // If true, requires payment/unlock
  price?: number;     // Cost to unlock if locked (e.g. 89.90)
  createdAt: string;
}

export interface Module {
  id: string;
  courseId: string;
  title: string;
  order: number;
  createdAt: string;
}

export interface Lesson {
  id: string;
  moduleId: string;
  title: string;
  videoUrl: string; // YouTube embed link or direct HTML5 mp4/hls link
  videoType: 'youtube' | 'direct';
  order: number;
  content: string; // Additional lesson resources/description
  createdAt: string;
}

export interface Note {
  id: string;
  userId: string;
  lessonId: string;
  content: string;
  createdAt: string;
}

export interface LessonProgress {
  id: string;
  userId: string;
  lessonId: string;
  watchedPercentage: number;
  completed: boolean;
  updatedAt: string;
}

export interface WebhookLog {
  id: string;
  event: string;
  payload: string;
  receivedAt: string;
}

export interface SubscriptionPayment {
  id: string;
  userId: string;
  value: number;
  status: 'PENDING' | 'RECEIVED' | 'CONFIRMED' | 'OVERDUE' | 'REFUNDED';
  billingType: 'PIX' | 'CREDIT_CARD' | 'BOLETO';
  invoiceUrl: string;
  dueDate: string;
  paidAt: string | null;
  createdAt: string;
}

export interface AdminDashboardStats {
  mrr: number;
  activeSubscribers: number;
  overdueSubscribers: number;
  canceledSubscribers: number;
}