export interface ToastChannelConfig {
  provider?: 'mantine' | 'react-hot-toast' | 'react-toastify';
  position?: string;
  autoClose?: number;
  hideProgressBar?: boolean;
  closeOnClick?: boolean;
  pauseOnHover?: boolean;
  draggable?: boolean;
  maxToasts?: number;
}

export interface BellChannelConfig {
  storage?: 'local' | 'firebase' | 'supabase' | 'custom';
  maxNotifications?: number;
  retentionDays?: number;
  groupByDate?: boolean;
  showBadge?: boolean;
  sound?: boolean;
}

export interface PushChannelConfig {
  provider?: 'firebase' | 'onesignal' | 'pusher';
  vapidKey?: string;
  serviceWorkerPath?: string;
  requestPermissionOnLoad?: boolean;
  fallbackToToast?: boolean;
}

export interface EmailChannelConfig {
  service?: any; // Email service instance
  templateMap?: {
    [notificationType: string]: string;
  };
  batchDelay?: number;
  maxBatchSize?: number;
}

export interface ChannelInterface {
  send(notification: any): Promise<void>;
  update?(id: string, updates: any): Promise<void>;
  dismiss?(id: string): Promise<void>;
  clear?(): Promise<void>;
}

export interface ChannelStatus {
  channel: string;
  enabled: boolean;
  available: boolean;
  permission?: 'granted' | 'denied' | 'default';
  error?: string;
}

export interface ChannelPreferences {
  toast: boolean;
  bell: boolean;
  push: boolean;
  email: boolean;
}

export interface ChannelSchedule {
  channel: string;
  enabled: boolean;
  quietHours?: {
    start: string; // "22:00"
    end: string;   // "08:00"
    timezone?: string;
  };
  daysOfWeek?: number[]; // 0-6, Sunday-Saturday
}