export interface EmailProviderConfig {
  resend?: ResendConfig;
  sendgrid?: SendGridConfig;
  ses?: SESConfig;
  postmark?: PostmarkConfig;
  smtp?: SMTPConfig;
}

export interface ResendConfig {
  apiKey: string;
  baseUrl?: string;
}

export interface SendGridConfig {
  apiKey: string;
  baseUrl?: string;
  sandboxMode?: boolean;
}

export interface SESConfig {
  accessKeyId: string;
  secretAccessKey: string;
  region: string;
  endpoint?: string;
}

export interface PostmarkConfig {
  serverToken: string;
  accountToken?: string;
  baseUrl?: string;
}

export interface SMTPConfig {
  host: string;
  port: number;
  secure?: boolean;
  auth: {
    user: string;
    pass: string;
  };
  tls?: {
    rejectUnauthorized?: boolean;
  };
}

export interface EmailProviderInterface {
  send(options: any): Promise<any>;
  sendBatch?(options: any): Promise<any>;
  getTemplate?(id: string): Promise<any>;
  validateApiKey?(): Promise<boolean>;
}

export interface ProviderResponse {
  id: string;
  status: 'success' | 'error';
  message?: string;
  data?: any;
}

export interface ProviderError {
  code: string;
  message: string;
  statusCode?: number;
  response?: any;
}