import { Injectable } from '@nestjs/common';
import { PrismaService } from '../prisma/prisma.service';
import { UpdateBillingSettingsDto } from './dto/update-billing-settings.dto';

@Injectable()
export class BillingService {
  constructor(private readonly prisma: PrismaService) {}

  async getSettings(tenantId: string) {
    let settings = await this.prisma.billingSetting.findUnique({ where: { tenantId } });
    if (!settings) {
      settings = await this.prisma.billingSetting.create({ data: { tenantId } });
    }
    return settings;
  }

  async updateSettings(tenantId: string, dto: UpdateBillingSettingsDto) {
    await this.prisma.billingSetting.upsert({
      where: { tenantId },
      create: { tenantId, ...dto },
      update: dto,
    });
    return this.getSettings(tenantId);
  }
}