package application

import (
	"net/http"
	"net/url"
	"strconv"

	"github.com/gorilla/mux"
	"github.com/rs/zerolog/log"
)

func (h *Handler) CreditWalletHTTPHandler() http.HandlerFunc {
	return func(w http.ResponseWriter, r *http.Request) {
		vars := mux.Vars(r)
		userid := vars["userid"]

		if r.Method != "POST" {
			http.Error(w, "Method Not Allowed", http.StatusMethodNotAllowed)
			return
		}

		r.ParseForm()

		amountStr := r.FormValue("amount")
		paymentMethod := r.FormValue("payment_method")
		description := r.FormValue("description")

		amount, err := strconv.ParseFloat(amountStr, 64)
		if err != nil {
			log.Error().Err(err).Msg("could not read amount")
			http.Error(w, "Bad Request", http.StatusBadRequest)
			return
		}

		if paymentMethod == "" {
			paymentMethod = "Paiement en espèce (MMS)"
		}

		err = h.applicationHandler.CreditWallet(r.Context(), userid, amount, paymentMethod, description)
		if err != nil {
			log.Error().Err(err).Msg("could not credit wallet")
			http.Error(w, "Internal Server Error", http.StatusInternalServerError)
			return
		}

		refererURL, err := url.Parse(r.Referer())
		if err != nil {
			http.Redirect(w, r, r.Referer(), http.StatusFound)
			return
		}

		query := refererURL.Query()
		query.Set("tab", "wallet")
		refererURL.RawQuery = query.Encode()

		http.Redirect(w, r, refererURL.String(), http.StatusFound)
	}
}