import { Injectable, OnApplicationBootstrap } from '@nestjs/common';
import { User } from '@prisma/client';
import { PrismaService } from '../../infrastructure/database/prisma.service';

@Injectable()
export class DefaultUserService implements OnApplicationBootstrap {
  static readonly defaultOwnerSlug = 'default-owner';
  static readonly defaultOwnerDisplayName = 'Default Owner';

  constructor(private readonly prismaService: PrismaService) {}

  async onApplicationBootstrap(): Promise<void> {
    await this.getOrCreateDefaultUser();
  }

  async getOrCreateDefaultUser(): Promise<User> {
    return this.prismaService.user.upsert({
      where: {
        slug: DefaultUserService.defaultOwnerSlug,
      },
      update: {
        displayName: DefaultUserService.defaultOwnerDisplayName,
        isDefault: true,
      },
      create: {
        slug: DefaultUserService.defaultOwnerSlug,
        displayName: DefaultUserService.defaultOwnerDisplayName,
        isDefault: true,
      },
    });
  }
}