import { db } from '../../db/db_index'
import { deliverySlotInfo, productInfo } from '../../db/schema'
import { eq } from 'drizzle-orm'
import { IUserSlotDbService, Slot } from '../../../../backend/src/trpc/apis/user-apis/dataAccessors/interfaces/user-slot-db-service.interface'

export class UserSlotDbService implements IUserSlotDbService {
  async getActiveSlots(): Promise<Slot[]> {
    return db.query.deliverySlotInfo.findMany({
      where: eq(deliverySlotInfo.isActive, true),
    })
  }

  async getProductAvailability(): Promise<Array<{ id: number; name: string; isOutOfStock: boolean; isFlashAvailable: boolean }>> {
    return db
      .select({
        id: productInfo.id,
        name: productInfo.name,
        isOutOfStock: productInfo.isOutOfStock,
        isFlashAvailable: productInfo.isFlashAvailable,
      })
      .from(productInfo)
      .where(eq(productInfo.isSuspended, false))
  }
}

export const userSlotDbService: IUserSlotDbService = new UserSlotDbService()