package api

import (
	"fmt"
	"github.com/gin-gonic/gin"
	"html/template"
	"payment-poc/domain/state"
)

func LoadTemplates(server *gin.Engine) {
	server.SetFuncMap(template.FuncMap{
		"formatCurrency":    formatCurrency,
		"formatCurrencyPtr": formatCurrencyPtr,
		"decimalCurrency":   decimalCurrency,
		"formatState":       formatState,
		"omitempty":         omitempty,
	})
	server.LoadHTMLGlob("./templates/*.gohtml")
}

func formatState(stt state.PaymentState) string {
	switch stt {
	case state.StateCanceled:
		return "Otkazana"
	case state.StateVoided:
		return "Poništena"
	case state.StateAccepted:
		return "Predautorizirana"
	case state.StateError:
		return "Greška"
	case state.StatePreinitialized:
		return "Predinicijalizirana"
	case state.StateInitialized:
		return "Inicijalizirana"
	case state.StateCanceledInitialization:
		return "Otkazana tijekom izrade"
	case state.StateCompleted:
		return "Autorizirana"
	}
	return "nepoznato stanje '" + string(stt) + "'"
}

func formatCurrency(current int64) string {
	return fmt.Sprintf("%d,%02d", current/100, current%100)
}

func formatCurrencyPtr(current *int64) string {
	if current != nil {
		return fmt.Sprintf("%d,%02d", (*current)/100, (*current)%100)
	} else {
		return "-"
	}
}

func decimalCurrency(current int64) string {
	return fmt.Sprintf("%d,%02d", current/100, current%100)
}

func omitempty(value string) string {
	if value == "" {
		return "-"
	}
	return value
}