package main

import (
	"bugulma/backend/internal/financial"
	"fmt"
)

func main() {
	// Test the financial calculator initialization
	config := financial.DefaultConfig()
	calc := financial.NewFinancialCalculator(
		config,
		financial.NewNPVCalculator(),
		financial.NewIRRCalculator(),
		financial.NewPaybackCalculator(),
		financial.NewSensitivityAnalyzer(config, financial.NewNPVCalculator()),
		financial.NewRiskAssessor(config),
		financial.NewCO2Calculator(config),
		financial.NewCapexEstimator(config),
		financial.NewTransportCostCalculator(config),
	)

	// Test basic analysis
	data := &financial.ResourceFlowData{
		ResourceType: "heat",
		DistanceKm:   10.0,
		AnnualVolume: 1000.0,
		CostIn:       50.0,
		CostOut:      30.0,
	}

	assumptions := &financial.EconomicAssumptions{
		DiscountRate:       0.08,
		ProjectLifeYears:   10,
		OperatingHoursYear: 8760,
	}

	analysis, err := calc.Calculate(financial.AnalysisTypeBasic, data, assumptions)
	if err != nil {
		fmt.Printf("Error: %v\n", err)
		return
	}

	basicAnalysis := analysis.(*financial.EconomicAnalysis)
	fmt.Printf("Basic analysis completed successfully: NPV=%.2f, IRR=%.2f%%\n", basicAnalysis.NPV, basicAnalysis.IRR*100)

	// Test advanced analysis
	advancedAnalysis, err := calc.Calculate(financial.AnalysisTypeAdvanced, data, assumptions)
	if err != nil {
		fmt.Printf("Error: %v\n", err)
		return
	}

	advanced := advancedAnalysis.(*financial.AdvancedEconomicAnalysis)
	fmt.Printf("Advanced analysis completed successfully: Risk-adjusted NPV=%.2f, CO2 avoided=%.2f tonnes\n", advanced.RiskAdjustedNPV, advanced.CO2AvoidedTonnes)
	fmt.Printf("Sensitivity scenarios: %d, Risk level: %s\n", len(advanced.SensitivityScenarios), advanced.RiskProfile.RiskLevel)
}