// Copyright (c) Dolittle. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.

// import { PropertyAccessor, PropertyDescriptor, PropertyPathResolverProxyHandler } from '@dolittle/rudiments';
// import { PropertyMap } from './PropertyMap';
// import { EntityType, Property } from '../entities';

// export type PropertyMapBuilderCallback<TEvent extends object> = (builder: PropertyMapBuilder<TEvent>) => void;

// export class PropertyMapForBuilding {
//     propertyDescriptor!: PropertyDescriptor;
//     targetName!: string;
// }

// export interface IPropertyMapBuilder {
//     build(entityType: EntityType): PropertyMap[];
// }

// export class PropertyMapBuilder<TEvent extends object = any> implements IPropertyMapBuilder {
//     private _fieldMaps: PropertyMapForBuilding[] = [];

//     property(accessor: PropertyAccessor<TEvent>, targetName: string): PropertyMapBuilder<TEvent> {
//         const handler = new PropertyPathResolverProxyHandler();
//         const proxy = new Proxy<TEvent>({} as TEvent, handler);
//         accessor(proxy);
//         const map = {
//             propertyDescriptor: new PropertyDescriptor(accessor, handler.segments.filter(_ => true)),
//             targetName: targetName
//         } as PropertyMapForBuilding;
//         this._fieldMaps.push(map);
//         return this;
//     }

//     build(entityType: EntityType): PropertyMap[] {
//         const maps = this._fieldMaps.map(map => {
//             const property = entityType.properties.find(_ => _.targetName === map.targetName);
//             if (property) {
//                 return new PropertyMap(property, map.propertyDescriptor);
//             }
//             return new PropertyMap(Property.unknown, map.propertyDescriptor);
//         });
//         return maps;
//     }
// }