/**
 * Page Request Mapper
 *
 * Maps domain DiscoveredPage objects to API request schemas.
 * Handles transformation from dashboard domain → @archer/api-interface schemas.
 *
 * @layer Infrastructure - API Client
 */

import type {
  UpdatePageRequest,
  TriggerAnalysisRequest,
  RetriggerAnalysisRequest,
} from '@archer/api-interface';
import { DiscoveredPage } from '@/domain/entities/DiscoveredPage';

/**
 * PageRequestMapper
 *
 * Transforms DiscoveredPage domain objects to request DTOs.
 * All mappings are internal - not exposed to application layer.
 */
export class PageRequestMapper {
  /**
   * Maps partial domain DiscoveredPage to UpdatePageRequest schema
   *
   * Used for correcting page metadata after crawler discovery.
   *
   * @param updates - Partial DiscoveredPage domain object with changes
   * @returns UpdatePageRequest DTO for API
   */
  static toUpdateRequest(updates: Partial<DiscoveredPage>): UpdatePageRequest {
    const request: UpdatePageRequest = {};

    if (updates.title !== undefined) {
      request.title = updates.title;
    }

    if (updates.status !== undefined) {
      request.status = updates.status as UpdatePageRequest['status'];
    }

    if (updates.analysisStatus !== undefined) {
      request.analysisStatus = updates.analysisStatus as UpdatePageRequest['analysisStatus'];
    }

    if (updates.pageType !== undefined) {
      request.pageType = updates.pageType;
    }

    if (updates.semanticLabel !== undefined) {
      request.semanticLabel = updates.semanticLabel;
    }

    if (updates.httpStatus !== undefined) {
      request.httpStatus = updates.httpStatus;
    }

    if (updates.addedToTraining !== undefined) {
      request.addedToTraining = updates.addedToTraining;
    }

    return request;
  }

  /**
   * Maps trigger analysis params to TriggerAnalysisRequest schema
   *
   * Used when user clicks "Analyze this page" button.
   * Schema has defaults: priority defaults to NORMAL, forceRescan defaults to false.
   *
   * @param priority - Job priority (LOW, NORMAL, HIGH) - optional, defaults to NORMAL
   * @param forceRescan - Override cache/existing scan - optional, defaults to false
   * @returns TriggerAnalysisRequest DTO for API (partial object with optional fields)
   */
  static toTriggerAnalysisRequest(
    priority?: 'LOW' | 'NORMAL' | 'HIGH',
    forceRescan?: boolean
  ): Partial<TriggerAnalysisRequest> {
    const request: Partial<TriggerAnalysisRequest> = {};

    if (priority !== undefined) {
      request.priority = priority;
    }

    if (forceRescan !== undefined) {
      request.forceRescan = forceRescan;
    }

    return request;
  }

  /**
   * Maps retrigger analysis params to RetriggerAnalysisRequest schema
   *
   * Used when user clicks "Re-analyze" button to create new analysis version.
   * Schema has defaults: priority defaults to NORMAL, createNewVersion defaults to true.
   *
   * @param priority - Job priority (LOW, NORMAL, HIGH) - optional, defaults to NORMAL
   * @param createNewVersion - Create new analysis version - optional, defaults to true
   * @returns RetriggerAnalysisRequest DTO for API (partial object with optional fields)
   */
  static toRetriggerAnalysisRequest(
    priority?: 'LOW' | 'NORMAL' | 'HIGH',
    createNewVersion?: boolean
  ): Partial<RetriggerAnalysisRequest> {
    const request: Partial<RetriggerAnalysisRequest> = {};

    if (priority !== undefined) {
      request.priority = priority;
    }

    if (createNewVersion !== undefined) {
      request.createNewVersion = createNewVersion;
    }

    return request;
  }
}