package web

import (
	"fmt"
	"net/http"
	"strings"
)

type checkoutPageData struct {
	ProductName        string
	ProductDescription string
	PriceDisplay       string
	Currency           string
}

func (h *Handler) renderCheckoutPage() http.HandlerFunc {
	return func(w http.ResponseWriter, r *http.Request) {
		price := float64(h.cfg.Product.PriceCents) / 100
		data := checkoutPageData{
			ProductName:        h.cfg.Product.Name,
			ProductDescription: h.cfg.Product.Description,
			PriceDisplay:       fmt.Sprintf("$%.2f", price),
			Currency:           strings.ToUpper(h.cfg.Product.Currency),
		}

		w.Header().Set("Content-Type", "text/html; charset=utf-8")
		if err := h.page.ExecuteTemplate(w, "index.html", data); err != nil {
			http.Error(w, "failed to render page", http.StatusInternalServerError)
			return
		}
	}
}