import { Injectable } from '@nestjs/common';
import { InjectConfig } from '@nestcloud/config';
import { EtcdConfig } from '@nestcloud/config/etcd-config';
import { SendGridModuleOptions } from '@anchan828/nest-sendgrid';
import { SendGridModuleOptionsFactory } from '@anchan828/nest-sendgrid/dist/sendgrid.interfaces';

@Injectable()
export class SendgridConfigService implements SendGridModuleOptionsFactory {
  constructor(@InjectConfig() private readonly config: EtcdConfig) {}

  createSendGridModuleOptions():
    | Promise<SendGridModuleOptions>
    | SendGridModuleOptions {
    const sendgrid = this.config.get<{ apiKey: string; sender: string }>(
      'sendgrid',
    );
    return {
      apikey: sendgrid.apiKey,
      defaultMailData: {
        from: sendgrid.sender,
        content: null,
        trackingSettings: {
          clickTracking: {
            enable: true,
            enableText: true,
          },
          openTracking: {
            enable: true,
          },
        },
      },
    };
  }
}