/*---------------------------------------------------------------------------------------------
 *  Copyright (c) Microsoft Corporation. All rights reserved.
 *  Licensed under the MIT License. See License.txt in the project root for license information.
 *--------------------------------------------------------------------------------------------*/
export interface IPropertyData {
  classification:
    | 'SystemMetaData'
    | 'CallstackOrException'
    | 'CustomerContent'
    | 'PublicNonPersonalData'
    | 'EndUserPseudonymizedInformation';
  purpose: 'PerformanceAndHealth' | 'FeatureInsight' | 'BusinessInsight';
  endpoint?: string;
  isMeasurement?: boolean;
}

export interface IGDPRProperty {
  readonly [name: string]: IPropertyData | undefined | IGDPRProperty;
}

export type ClassifiedEvent<T extends IGDPRProperty> = {
  [k in keyof T]: any;
};

export type StrictPropertyChecker<TEvent, TClassifiedEvent, TError> =
  keyof TEvent extends keyof TClassifiedEvent
    ? keyof TClassifiedEvent extends keyof TEvent
      ? TEvent
      : TError
    : TError;

export type StrictPropertyCheckError =
  'Type of classified event does not match event properties';

export type StrictPropertyCheck<
  T extends IGDPRProperty,
  E
> = StrictPropertyChecker<E, ClassifiedEvent<T>, StrictPropertyCheckError>;

export type GDPRClassification<T> = {
  [_ in keyof T]: IPropertyData | IGDPRProperty | undefined;
};