package main

import (
	"fmt"
	"time"

	financial "github.com/razorpay/go-financial"
	"github.com/razorpay/go-financial/enums/frequency"
	"github.com/razorpay/go-financial/enums/interesttype"
	"github.com/razorpay/go-financial/enums/paymentperiod"
	"github.com/shopspring/decimal"
)

func main() {
	date := time.Date(2023, 5, 31, 12, 0, 0, 0, time.UTC)
	FinancingDurationInMonths := 12

	config := financial.Config{
		StartDate:      date,
		EndDate:        date.AddDate(0, FinancingDurationInMonths, 0).AddDate(0, 0, -1),
		Frequency:      frequency.MONTHLY,
		AmountBorrowed: decimal.NewFromInt(35_000),
		InterestType:   interesttype.FLAT,
		Interest:       decimal.NewFromFloat(4.20),
		PaymentPeriod:  paymentperiod.BEGINNING,
	}

	amortization, err := financial.NewAmortization(&config)
	if err != nil {
		fmt.Println(err.Error(), "failed to initialize amortization rules")
	} else {
		fmt.Println(amortization)
	}
}