import { ModuleMetadata, Type, DynamicModule, Provider } from '@nestjs/common';
import { Contact, SendEmailV3_1 } from 'node-mailjet';

interface MailjetModuleOptions {
    apiKey: string;
    apiSecret: string;
    sandboxMode?: boolean;
}

interface MailjetOptionsFactory {
    createMailjetOptions(): Promise<MailjetModuleOptions> | MailjetModuleOptions;
}
interface MailjetModuleAsyncOptions extends Pick<ModuleMetadata, "imports"> {
    inject?: any[];
    useClass?: Type<MailjetOptionsFactory>;
    useExisting?: Type<MailjetOptionsFactory>;
    useFactory?: (...args: any[]) => Promise<MailjetModuleOptions> | MailjetModuleOptions;
}

declare class MailjetModule {
    static forRoot(options: MailjetModuleOptions): DynamicModule;
    static forRootAsync(options: MailjetModuleAsyncOptions): DynamicModule;
    private static createAsyncProviders;
    private static createAsyncOptionsProviders;
}

declare function createMailjetProviders(options: MailjetModuleOptions): Provider[];

declare class MailjetService {
    private readonly client;
    constructor(options: MailjetModuleOptions);
    findContact(id: string | number): Promise<Contact.Contact>;
    addContact(contact: Contact.PostContactBody): Promise<Contact.Contact>;
    subscribeContactToList(contactId: string | number, listId: string | number): Promise<Contact.Contact>;
    unsubscribeContactFromList(contactId: string | number, listId: string | number): Promise<Contact.Contact>;
    sendEmail<TVars>(messages: SendEmailV3_1.Body<undefined, TVars>): Promise<SendEmailV3_1.ResponseMessage[]>;
}

export { MailjetModule, type MailjetModuleAsyncOptions, type MailjetModuleOptions, type MailjetOptionsFactory, MailjetService, createMailjetProviders };