MinglarBackendNestJS/src/modules/minglaradmin/services/amNotification.service.ts

import { Injectable } from '@nestjs/common';
import { prismaClient } from '../../../common/database/prisma.lambda.service';
import { sendAMEmailForHostAssign } from './AMEmail.service';

@Injectable()
export class AMNotificationService {
  private prisma = prismaClient;

  /**
   * Fetch account manager email by id and send assignment email.
   * Returns true if email was attempted (sent or attempted), false if AM missing or no email.
   */
  async notifyAMOfAssignment(accountManagerXid: number, hostXid?: number): Promise<boolean> {
    if (!accountManagerXid) return false;

    const amUser = await this.prisma.user.findUnique({
      where: { id: accountManagerXid },
      select: { emailAddress: true, firstName: true, lastName: true },
    });

    if (!amUser || !amUser.emailAddress) {
      console.warn(`AM notification skipped: user not found or missing email for id=${accountManagerXid}`);
      return false;
    }

    try {
      await sendAMEmailForHostAssign(amUser.emailAddress);
      return true;
    } catch (err) {
      console.error('Error sending AM assignment email', err);
      return false;
    }
  }
}