feat(pricing): Automated Monthly Jordan Fuel Pricing Service via Gemini AI and Cron Schedule

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

@@ -6,6 +6,7 @@ import { RoadSpeedProfile } from './road-speed-profile.entity';
 import axios from 'axios';
 import { RoadSegmentStat } from './road-stat.entity';
 import { TrafficGridService } from './traffic-grid.service';
+import { FuelPricingService } from './fuel-pricing.service';
 import { GeocodingService } from '../geocoding/geocoding.service';
 import { RedisService } from '../common/redis.service';
 
@@ -18,6 +19,7 @@ export class MapsService {
     @InjectRepository(RoadSegmentStat)
     private roadStatRepo: Repository<RoadSegmentStat>,
     private trafficGrid: TrafficGridService,
+    private fuelPricingService: FuelPricingService,
     private geocodingService: GeocodingService,
     private dataSource: DataSource,
     private redisService: RedisService,
@@ -374,8 +376,9 @@ export class MapsService {
     // Net Gasoline Consumption
     const netGasolineLiters = Math.max(0.05, baseGasolineLiters + ascentFuelPenaltyLiters - descentFuelSavingLiters + trafficFuelLiters);
     
-    // Pricing in Jordan: Gasoline 90 ~ 0.920 JOD/L, Diesel ~ 0.720 JOD/L
-    const fuelPricePerLiter = profile === 'truck' ? 0.720 : 0.920;
+    // Pricing in Jordan (Live monthly pricing updated via FuelPricingService & Gemini AI)
+    const livePrices = this.fuelPricingService.getPrices();
+    const fuelPricePerLiter = profile === 'truck' ? livePrices.diesel : livePrices.gasoline90;
     const estimatedCostJOD = netGasolineLiters * fuelPricePerLiter;
     
     // 5. EV Energy Model (Electric Vehicles):
@@ -384,6 +387,7 @@ export class MapsService {
     const regenEvKWh = (totalDescentMeters / 100) * 0.26;
     const trafficEvKWh = delayHours * 1.5; // HVAC & auxiliary electronics in standstill
     const netEvKWh = Math.max(0.1, baseEvKWh + ascentEvKWh - regenEvKWh + trafficEvKWh);
+    const estimatedEvCostJOD = netEvKWh * (livePrices.evKWh || 0.120);
     
     // Carbon Footprint: 2,310g CO2 per liter of gasoline
     const co2Grams = Math.round(netGasolineLiters * 2310);
@@ -445,13 +449,20 @@ export class MapsService {
       estimatedGasolineLiters: Math.round(netGasolineLiters * 100) / 100,
       estimatedCostJOD: Math.round(estimatedCostJOD * 100) / 100,
       estimatedEvKWh: Math.round(netEvKWh * 100) / 100,
+      estimatedEvCostJOD: Math.round(estimatedEvCostJOD * 100) / 100,
       energyRecoveredEvKWh: Math.round(regenEvKWh * 100) / 100,
       co2Kg: Math.round((co2Grams / 1000) * 100) / 100,
       trafficDelayMinutes: Math.round(delayHours * 60),
       ecoScore,
       ecoBadge: ecoBadgeArabic,
       terrainDifficulty: terrainDifficultyArabic,
-      mechanicalAdvice: mechanicalAdviceArabic
+      mechanicalAdvice: mechanicalAdviceArabic,
+      pricingBulletin: {
+        gasoline90JOD: livePrices.gasoline90,
+        dieselJOD: livePrices.diesel,
+        effectiveMonth: livePrices.effectiveMonth,
+        source: livePrices.source,
+      }
     };
   }