import { User } from "@/models"
import UserPreference, { PreferenceKeys } from "@/models/user-preference"
import { preferenceValueValidators } from "@/models/user-preference-value-validators"
import BaseService from "@/services/base-service"

export class UpsertService extends BaseService {
  constructor(
    private user: User,
    private key: string,
    private value: unknown | null
  ) {
    super()
  }

  async perform() {
    const isPreferenceKey = Object.values(PreferenceKeys).includes(this.key as PreferenceKeys)
    if (!isPreferenceKey) {
      throw new Error("Provided key is not a valid PreferenceKey")
    }

    const key = this.key as PreferenceKeys

    const validator = preferenceValueValidators[key]
    if (!validator(this.value)) {
      throw new Error("Invalid value for preference key")
    }

    return UserPreference.setValue(this.user.id, key, this.value)
  }
}

export default UpsertService