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

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

  async findAll(userId: string, pagination?: { page?: number; limit?: number }) {
    const page = pagination?.page ?? 1;
    const limit = pagination?.limit ?? 20;
    return this.prisma.notification.findMany({
      where: { userId },
      orderBy: { createdAt: 'desc' },
      skip: (page - 1) * limit,
      take: limit,
    });
  }

  async create(data: { userId: string; type: string; title: string; body: string }) {
    return this.prisma.notification.create({
      data: {
        userId: data.userId,
        type: data.type,
        title: data.title,
        content: data.body,
      },
    });
  }

  async findById(id: string) {
    return this.prisma.notification.findUnique({ where: { id } });
  }

  async markRead(id: string) {
    return this.prisma.notification.update({
      where: { id },
      data: { readAt: new Date() },
    });
  }
}