import { injectable, unmanaged } from 'inversify';
import { DriversApiClient } from '@/lib/api/drivers/DriversApiClient';
import type { CompleteOnboardingInputDTO } from '@/lib/types/generated/CompleteOnboardingInputDTO';
import type { GetDriverOutputDTO } from '@/lib/types/generated/GetDriverOutputDTO';
import type { CompleteOnboardingOutputDTO } from '@/lib/types/generated/CompleteOnboardingOutputDTO';
import type { DriverDTO } from '@/lib/types/generated/DriverDTO';
import type { GetDriverProfileOutputDTO } from '@/lib/types/generated/GetDriverProfileOutputDTO';
import { Result } from '@/lib/contracts/Result';
import { DomainError, Service } from '@/lib/contracts/services/Service';
import { getWebsiteApiBaseUrl } from '@/lib/config/apiBaseUrl';
import { ConsoleLogger } from '@/lib/infrastructure/logging/ConsoleLogger';
import { EnhancedErrorReporter } from '@/lib/infrastructure/EnhancedErrorReporter';
import { DriverLeaderboardViewModel } from '@/lib/view-models/DriverLeaderboardViewModel';
import { DriverViewModel } from '@/lib/view-models/DriverViewModel';
import { CompleteOnboardingViewModel } from '@/lib/view-models/CompleteOnboardingViewModel';

/**
 * Driver Service - DTO Only
 *
 * Returns raw API DTOs. No ViewModels or UX logic.
 * All client-side presentation logic must be handled by hooks/components.
 */
@injectable()
export class DriverService implements Service {
  private readonly apiClient: DriversApiClient;

  constructor(@unmanaged() apiClient?: DriversApiClient) {
    if (apiClient) {
      this.apiClient = apiClient;
    } else {
      const baseUrl = getWebsiteApiBaseUrl();
      const logger = new ConsoleLogger();
      const errorReporter = new EnhancedErrorReporter(logger);
      this.apiClient = new DriversApiClient(baseUrl, errorReporter, logger);
    }
  }

  async getDriver(id: string): Promise<any> {
    return this.apiClient.getDriver(id);
  }

  /**
   * Get driver leaderboard (returns DTO)
   */
  async getDriverLeaderboard(): Promise<any> {
    try {
      const res = await this.apiClient.getLeaderboard();
      const data = (res as any).value || res;
      return new DriverLeaderboardViewModel(data);
    } catch (error: unknown) {
      throw error;
    }
  }

  /**
   * Complete driver onboarding (returns DTO)
   */
  async completeDriverOnboarding(input: CompleteOnboardingInputDTO): Promise<any> {
    try {
      const res = await this.apiClient.completeOnboarding(input);
      const data = (res as any).value || res;
      return new CompleteOnboardingViewModel(data);
    } catch (error: unknown) {
      throw error;
    }
  }

  /**
   * Get current driver (returns DTO)
   */
  async getCurrentDriver(): Promise<any> {
    try {
      const res = await this.apiClient.getCurrent();
      if (!res) return null;
      const data = (res as any).value || res;
      if (!data) return null;
      return new DriverViewModel(data);
    } catch (error: unknown) {
      throw error;
    }
  }

  /**
   * Get driver profile (returns DTO)
   */
  async getDriverProfile(driverId: string): Promise<Result<GetDriverProfileOutputDTO, DomainError>> {
    try {
      const data = await this.apiClient.getDriverProfile(driverId);
      return Result.ok(data);
    } catch (error: unknown) {
      return Result.err({ type: 'serverError', message: (error as Error).message || 'Failed to get driver profile' });
    }
  }

  /**
   * Update current driver profile (returns DTO)
   */
  async updateProfile(updates: { bio?: string; country?: string }): Promise<Result<DriverDTO, DomainError>> {
    try {
      const data = await this.apiClient.updateProfile(updates);
      return Result.ok(data);
    } catch (error: unknown) {
      return Result.err({ type: 'serverError', message: (error as Error).message || 'Failed to update profile' });
    }
  }

  /**
   * Find driver by ID (returns DTO)
   */
  async findById(id: string): Promise<Result<GetDriverOutputDTO | null, DomainError>> {
    try {
      const data = await this.apiClient.getDriver(id);
      return Result.ok(data);
    } catch (error: unknown) {
      return Result.err({ type: 'serverError', message: (error as Error).message || 'Failed to find driver' });
    }
  }

  /**
   * Find multiple drivers by IDs (returns DTOs)
   */
  async findByIds(ids: string[]): Promise<Result<GetDriverOutputDTO[], DomainError>> {
    try {
      const drivers = await Promise.all(ids.map(id => this.apiClient.getDriver(id)));
      return Result.ok(drivers.filter((d): d is GetDriverOutputDTO => d !== null));
    } catch (error: unknown) {
      return Result.err({ type: 'serverError', message: (error as Error).message || 'Failed to find drivers' });
    }
  }
}