Fix UI issues 2

frontend/src/api/services/sustainability.ts

@@ -162,7 +162,8 @@ const EnvironmentalConstants = {
   LAND_USE_PER_KG: 3.4,   // m² per kg
   TREES_PER_TON_CO2: 50,
   SDG_TARGET_REDUCTION: 0.50,  // 50% reduction target
-  EU_BAKERY_BASELINE_WASTE: 0.25  // 25% baseline
+  EU_BAKERY_BASELINE_WASTE: 0.25,  // 25% baseline
+  MINIMUM_PRODUCTION_KG: 50  // Minimum production to show meaningful metrics
 };
 
 /**
@@ -320,6 +321,78 @@ function assessGrantReadiness(sdgCompliance: SDGCompliance): GrantReadiness {
 
 // ===== MAIN AGGREGATION FUNCTION =====
 
+/**
+ * Get default metrics for insufficient data state
+ */
+function getInsufficientDataMetrics(
+  totalProductionKg: number,
+  startDate?: string,
+  endDate?: string
+): SustainabilityMetrics {
+  return {
+    period: {
+      start_date: startDate || new Date(Date.now() - 30 * 24 * 60 * 60 * 1000).toISOString(),
+      end_date: endDate || new Date().toISOString(),
+      days: 30
+    },
+    waste_metrics: {
+      total_waste_kg: 0,
+      production_waste_kg: 0,
+      expired_waste_kg: 0,
+      waste_percentage: 0,
+      waste_by_reason: {}
+    },
+    environmental_impact: {
+      co2_emissions: { kg: 0, tons: 0, trees_to_offset: 0 },
+      water_footprint: { liters: 0, cubic_meters: 0 },
+      land_use: { square_meters: 0, hectares: 0 },
+      human_equivalents: { car_km_equivalent: 0, smartphone_charges: 0, showers_equivalent: 0, trees_planted: 0 }
+    },
+    sdg_compliance: {
+      sdg_12_3: {
+        baseline_waste_percentage: 0,
+        current_waste_percentage: 0,
+        reduction_achieved: 0,
+        target_reduction: 50,
+        progress_to_target: 0,
+        status: 'baseline',
+        status_label: 'Collecting Baseline Data',
+        target_waste_percentage: 0
+      },
+      baseline_period: 'not_available',
+      certification_ready: false,
+      improvement_areas: ['start_production_tracking']
+    },
+    avoided_waste: {
+      waste_avoided_kg: 0,
+      ai_assisted_batches: 0,
+      environmental_impact_avoided: { co2_kg: 0, water_liters: 0 },
+      methodology: 'insufficient_data'
+    },
+    financial_impact: {
+      waste_cost_eur: 0,
+      cost_per_kg: 3.50,
+      potential_monthly_savings: 0,
+      annual_projection: 0
+    },
+    grant_readiness: {
+      overall_readiness_percentage: 0,
+      grant_programs: {
+        life_circular_economy: { eligible: false, confidence: 'low', requirements_met: false, funding_eur: 73_000_000 },
+        horizon_europe_cluster_6: { eligible: false, confidence: 'low', requirements_met: false, funding_eur: 880_000_000 },
+        fedima_sustainability_grant: { eligible: false, confidence: 'low', requirements_met: false, funding_eur: 20_000 },
+        eit_food_retail: { eligible: false, confidence: 'low', requirements_met: false, funding_eur: 45_000 },
+        un_sdg_certified: { eligible: false, confidence: 'low', requirements_met: false, funding_eur: 0 }
+      },
+      recommended_applications: [],
+      spain_compliance: { law_1_2025: false, circular_economy_strategy: false }
+    },
+    data_sufficient: false,
+    minimum_production_required_kg: EnvironmentalConstants.MINIMUM_PRODUCTION_KG,
+    current_production_kg: totalProductionKg
+  };
+}
+
 /**
  * Get comprehensive sustainability metrics by aggregating production and inventory data
  */
@@ -337,11 +410,22 @@ export async function getSustainabilityMetrics(
       getProductionAIImpact(tenantId, startDate, endDate)
     ]);
 
+    // Calculate total production
+    const totalProductionKg = productionData.total_planned || 0;
+
+    // Check if we have sufficient data for meaningful metrics
+    // Minimum: 50kg production to avoid false metrics on empty accounts
+    const hasDataSufficient = totalProductionKg >= EnvironmentalConstants.MINIMUM_PRODUCTION_KG;
+
+    // If insufficient data, return a "collecting data" state
+    if (!hasDataSufficient) {
+      return getInsufficientDataMetrics(totalProductionKg, startDate, endDate);
+    }
+
     // Aggregate waste metrics
     const productionWaste = (productionData.total_production_waste || 0) + (productionData.total_defects || 0);
     const totalWasteKg = productionWaste + (inventoryData.inventory_waste_kg || 0);
 
-    const totalProductionKg = productionData.total_planned || 0;
     const wastePercentage = totalProductionKg > 0
       ? (totalWasteKg / totalProductionKg) * 100
       : 0;
@@ -403,7 +487,10 @@ export async function getSustainabilityMetrics(
       sdg_compliance: sdgCompliance,
       avoided_waste: avoidedWaste,
       financial_impact: financialImpact,
-      grant_readiness: grantReadiness
+      grant_readiness: grantReadiness,
+      data_sufficient: true,
+      minimum_production_required_kg: EnvironmentalConstants.MINIMUM_PRODUCTION_KG,
+      current_production_kg: totalProductionKg
     };
 
   } catch (error) {

frontend/src/api/types/sustainability.ts

@@ -114,6 +114,10 @@ export interface SustainabilityMetrics {
   avoided_waste: AvoidedWaste;
   financial_impact: FinancialImpact;
   grant_readiness: GrantReadiness;
+  // Data sufficiency flags
+  data_sufficient: boolean;
+  minimum_production_required_kg?: number;
+  current_production_kg?: number;
 }
 
 export interface SustainabilityWidgetData {