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apps/api/src/app.controller.spec.ts

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+import { Test, TestingModule } from '@nestjs/testing';
+import { AppController } from './app.controller';
+import { AppService } from './app.service';
+
+describe('AppController', () => {
+  let appController: AppController;
+
+  beforeEach(async () => {
+    const app: TestingModule = await Test.createTestingModule({
+      controllers: [AppController],
+      providers: [AppService],
+    }).compile();
+
+    appController = app.get<AppController>(AppController);
+  });
+
+  describe('root', () => {
+    it('should return "Hello World!"', () => {
+      expect(appController.getHello()).toBe('Hello World!');
+    });
+  });
+});

apps/api/src/app.controller.ts

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+import { Controller, Get } from '@nestjs/common';
+import { AppService } from './app.service';
+
+@Controller()
+export class AppController {
+  constructor(private readonly appService: AppService) {}
+
+  @Get()
+  getHello(): string {
+    return this.appService.getHello();
+  }
+}

apps/api/src/app.module.ts

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+import { Module } from '@nestjs/common';
+import { ConfigModule, ConfigService } from '@nestjs/config';
+import { TypeOrmModule } from '@nestjs/typeorm';
+import { TelemetryModule } from './telemetry/telemetry.module';
+import { MapsModule } from './maps/maps.module';
+
+@Module({
+  imports: [
+    ConfigModule.forRoot({
+      isGlobal: true,
+    }),
+    TypeOrmModule.forRootAsync({
+      imports: [ConfigModule],
+      inject: [ConfigService],
+      useFactory: (config: ConfigService) => ({
+        type: 'postgres',
+        url: config.get('DATABASE_URL'),
+        autoLoadEntities: true,
+        synchronize: true, // Only for prototype! Use migrations for production.
+        // synchronize: true, // للمعاينة فقط؛ يفضل استخدام migrations للإنتاج
+      }),
+    }),
+    TelemetryModule,
+    MapsModule,
+  ],
+})
+export class AppModule {}

apps/api/src/app.service.ts

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+import { Injectable } from '@nestjs/common';
+
+@Injectable()
+export class AppService {
+  getHello(): string {
+    return 'Hello World!';
+  }
+}

apps/api/src/common/cache.service.ts

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+import { Injectable, Inject } from '@nestjs/common';
+import { createClient } from 'redis';
+import { ConfigService } from '@nestjs/config';
+
+@Injectable()
+export class CacheService {
+  private client;
+
+  constructor(private configService: ConfigService) {
+    const redisUrl = this.configService.get('REDIS_URL', 'redis://redis:6379');
+    this.client = createClient({ url: redisUrl });
+    this.client.connect().catch(console.error);
+  }
+
+  async set(key: string, value: any, ttlSeconds: number = 3600) {
+    // Cache data in Redis with TTL
+    // تخزين البيانات في Redis مع تحديد وقت انتهاء
+    await this.client.set(key, JSON.stringify(value), {
+      EX: ttlSeconds,
+    });
+  }
+
+  async get(key: string) {
+    // Retrieve cached data
+    // استرجاع البيانات المخزنة
+    const data = await this.client.get(key);
+    return data ? JSON.parse(data) : null;
+  }
+
+  async del(key: string) {
+    await this.client.del(key);
+  }
+}

apps/api/src/common/gis.utils.ts

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+/**
+ * GIS Utilities for Jordan Map Platform
+ * أدوات مساعدة للتعامل مع البيانات الجغرافية
+ */
+
+export const JORDAN_BOUNDS = {
+  minLat: 29.1,
+  maxLat: 33.4,
+  minLng: 34.9,
+  maxLng: 39.3,
+};
+
+export function isWithinJordan(lat: number, lng: number): boolean {
+  return (
+    lat >= JORDAN_BOUNDS.minLat &&
+    lat <= JORDAN_BOUNDS.maxLat &&
+    lng >= JORDAN_BOUNDS.minLng &&
+    lng <= JORDAN_BOUNDS.maxLng
+  );
+}
+
+/**
+ * Snap a point to the nearest road segment (Placeholder for Map Matching logic)
+ * ربط نقطة جغرافية بأقرب مقطع طريق (تمهيد لمنطق مطابقة الخرائط)
+ */
+export function mockMapMatch(lat: number, lng: number) {
+  // In Phase 2, this would call GraphHopper Map Matching API
+  return `osm_way_${Math.floor(Math.random() * 1000000)}`;
+}

apps/api/src/main.ts

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+import { NestFactory } from '@nestjs/core';
+import { DocumentBuilder, SwaggerModule } from '@nestjs/swagger';
+import { AppModule } from './app.module';
+
+async function bootstrap() {
+  const app = await NestFactory.create(AppModule);
+  
+  // Enable CORS for frontend
+  // تفعيل تبادل الموارد مع الواجهة الأمامية
+  app.enableCors();
+
+  // Swagger Documentation Setup
+  // إعداد توثيق API (Swagger)
+  const config = new DocumentBuilder()
+    .setTitle('Jordan Map Platform API')
+    .setDescription('Backend API for map services, routing, and driver telemetry for Jordan')
+    .setVersion('1.0')
+    .addTag('maps')
+    .addTag('telemetry')
+    .build();
+  
+  const document = SwaggerModule.createDocument(app, config);
+  SwaggerModule.setup('api', app, document);
+
+  const port = process.env.API_PORT || 3000;
+  await app.listen(port);
+  console.log(`🚀 Jordan Map API is running on: http://localhost:${port}/api`);
+}
+bootstrap();

apps/api/src/maps/maps.controller.ts

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+import { Controller, Get, Query } from '@nestjs/common';
+import { ApiTags, ApiOperation } from '@nestjs/swagger';
+import { MapsService } from './maps.service';
+
+@ApiTags('maps')
+@Controller('maps')
+export class MapsController {
+  constructor(private readonly mapsService: MapsService) {}
+
+  @Get('route')
+  @ApiOperation({ summary: 'Calculate a route between two points 🚗' })
+  async getRoute(
+    @Query('fromLat') fromLat: number,
+    @Query('fromLng') fromLng: number,
+    @Query('toLat') toLat: number,
+    @Query('toLng') toLng: number,
+  ) {
+    return this.mapsService.getRoute([fromLat, fromLng], [toLat, toLng]);
+  }
+
+  @Get('config')
+  @ApiOperation({ summary: 'Get map configuration for the region 🗺️' })
+  async getConfig() {
+    return this.mapsService.getMapConfig();
+  }
+}

apps/api/src/maps/maps.module.ts

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+import { Module } from '@nestjs/common';
+import { TypeOrmModule } from '@nestjs/typeorm';
+import { MapsService } from './maps.service';
+import { MapsController } from './maps.controller';
+import { RoadSegmentStat } from './road-stat.entity';
+
+@Module({
+  imports: [TypeOrmModule.forFeature([RoadSegmentStat])],
+  controllers: [MapsController],
+  providers: [MapsService],
+  exports: [MapsService],
+})
+export class MapsModule {}

apps/api/src/maps/maps.service.ts

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+import { Injectable, HttpException, HttpStatus } from '@nestjs/common';
+import { ConfigService } from '@nestjs/config';
+import axios from 'axios';
+
+@Injectable()
+export class MapsService {
+  private readonly graphHopperUrl: string;
+
+  constructor(private configService: ConfigService) {
+    this.graphHopperUrl = this.configService.get('GRAPH_HOPPER_URL', 'http://map-routing:8080');
+  }
+
+  async getRoute(from: [number, number], to: [number, number]) {
+    // Proxy routing request to GraphHopper
+    // تحويل طلب حساب المسارم إلى GraphHopper
+    try {
+      const response = await axios.get(`${this.graphHopperUrl}/route`, {
+        params: {
+          point: [`${from[0]},${from[1]}`, `${to[0]},${to[1]}`],
+          profile: 'car',
+          locale: 'en',
+          calc_points: true,
+          points_encoded: false,
+          elevation: false,
+          type: 'json',
+        },
+        paramsSerializer: (params) => {
+          const searchParams = new URLSearchParams();
+          Object.entries(params).forEach(([key, value]) => {
+            if (Array.isArray(value)) {
+              value.forEach(v => searchParams.append(key, v));
+            } else {
+              searchParams.append(key, value as any);
+            }
+          });
+          return searchParams.toString();
+        },
+      });
+      
+      console.log('Routing Successful:', response.request.path);
+      
+      const route = response.data.paths[0];
+      if (!route) {
+        throw new HttpException('No route found', HttpStatus.NOT_FOUND);
+      }
+
+      return {
+        distance: route.distance, // In meters
+        duration: route.time / 1000, // In seconds
+        points: route.points.coordinates, // Array of [lng, lat]
+        bbox: route.bbox,
+      };
+    } catch (error) {
+      console.error('Routing Error:', error.message);
+      if (error.response) {
+        console.error('GraphHopper Response:', error.response.data);
+      }
+      throw new HttpException('Error calculating route', HttpStatus.BAD_GATEWAY);
+    }
+  }
+
+  async getMapConfig() {
+    // Return basic map configuration for clients
+    // إرجاع إعدادات الخريطة للواجهة الأمامية
+    return {
+      center: [31.95, 35.91], // Amman, Jordan
+      zoom: 12,
+      tileServerUrl: this.configService.get('TILE_SERVER_URL', 'http://localhost:3001'),
+    };
+  }
+}

apps/api/src/maps/road-stat.entity.ts

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+import { Entity, Column, PrimaryColumn, Index } from 'typeorm';
+
+@Entity('road_segment_stats')
+export class RoadSegmentStat {
+  @PrimaryColumn()
+  segmentId: string; // OSM Way ID or similar
+
+  @Column('float', { default: 0 })
+  averageSpeed: number;
+
+  @Column('float', { default: 1.0 })
+  congestionFactor: number; // 1.0 = Free flow, >1.0 = Congested
+
+  @Column('int', { default: 0 })
+  sampleCount: number;
+
+  @Column({
+    type: 'geography',
+    spatialFeatureType: 'LineString',
+    srid: 4326,
+    nullable: true,
+  })
+  @Index({ spatial: true })
+  geometry: any;
+
+  @Column({ type: 'timestamp', default: () => 'CURRENT_TIMESTAMP' })
+  lastUpdated: Date;
+}