import { ReactNode } from 'react';

export interface NotificationConfig {
  channels: {
    toast?: ToastChannelConfig;
    bell?: BellChannelConfig;
    push?: PushChannelConfig;
    email?: EmailChannelConfig;
  };
  defaultDuration?: number;
  position?: NotificationPosition;
  maxStack?: number;
}

export interface NotificationOptions {
  id?: string;
  title: string;
  message?: string;
  type?: NotificationType;
  duration?: number | 'persistent';
  actions?: NotificationAction[];
  icon?: ReactNode;
  image?: string;
  data?: Record<string, any>;
  channels?: NotificationChannels;
  audience?: NotificationAudience;
  priority?: 'high' | 'normal' | 'low';
  sound?: boolean;
  vibrate?: boolean;
  link?: NotificationLink;
  avatar?: NotificationAvatar;
  progress?: NotificationProgress;
  status?: NotificationStatus;
  badge?: NotificationBadge;
}

export type NotificationType = 'info' | 'success' | 'warning' | 'error' | 'loading';

export type NotificationPosition = 
  | 'top-left' 
  | 'top-center' 
  | 'top-right'
  | 'bottom-left' 
  | 'bottom-center' 
  | 'bottom-right';

export interface NotificationAction {
  label: string;
  action: (() => void) | 'dismiss' | 'snooze';
  style?: 'primary' | 'secondary' | 'danger';
  icon?: ReactNode;
}

export interface NotificationChannels {
  toast?: boolean;
  bell?: boolean;
  push?: boolean;
  email?: boolean;
}

export interface NotificationAudience {
  users?: string[];
  roles?: string[];
  departments?: string[];
  segments?: string[];
  exclude?: string[];
}

export interface Notification {
  id: string;
  title: string;
  message?: string;
  type: NotificationType;
  createdAt: Date;
  readAt?: Date;
  dismissedAt?: Date;
  expiresAt?: Date;
  actions?: NotificationAction[];
  data?: Record<string, any>;
  sender?: {
    id: string;
    name: string;
    avatar?: string;
  };
  link?: NotificationLink;
  avatar?: NotificationAvatar;
  progress?: NotificationProgress;
  status?: NotificationStatus;
  badge?: NotificationBadge;
}

export interface NotificationUpdate {
  id: string;
  title?: string;
  message?: string;
  type?: NotificationType;
  loading?: boolean;
  progress?: number;
  actions?: NotificationAction[];
  link?: NotificationLink;
  avatar?: NotificationAvatar;
  status?: NotificationStatus;
  badge?: NotificationBadge;
}

export interface NotificationStats {
  total: number;
  unread: number;
  byType: Record<NotificationType, number>;
  byChannel: Record<string, number>;
}

export interface NotificationLink {
  href: string;
  label?: string;
  target?: '_self' | '_blank' | '_parent' | '_top';
  external?: boolean;
}

export interface NotificationAvatar {
  src?: string;
  alt?: string;
  name?: string;
  color?: string;
  icon?: ReactNode;
}

export interface NotificationProgress {
  value: number;
  max?: number;
  label?: string;
  color?: string;
  animated?: boolean;
  striped?: boolean;
}

export interface NotificationStatus {
  type: 'pending' | 'processing' | 'completed' | 'failed' | 'cancelled';
  label?: string;
  color?: string;
  icon?: ReactNode;
}

export interface NotificationBadge {
  label: string;
  color?: string;
  variant?: 'filled' | 'light' | 'outline' | 'dot';
  size?: 'xs' | 'sm' | 'md' | 'lg' | 'xl';
}