package application

import (
	"errors"
	"net/http"

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

func (h *ApplicationHandler) SendSMS(w http.ResponseWriter, r *http.Request) {
	if r.Method != "POST" {
		w.WriteHeader(http.StatusMethodNotAllowed)
		return
	}
	referer := r.Referer()

	if err := r.ParseForm(); err != nil {
		log.Error().Err(err).Msg("Bad request")
		w.WriteHeader(http.StatusBadRequest)
		return
	}

	message := r.PostFormValue("message")
	beneficiaryid := r.PostFormValue("beneficiaryid")

	h.GenerateSMS(beneficiaryid, message)

	http.Redirect(w, r, referer, http.StatusFound)
}

func (h *ApplicationHandler) GenerateSMS(recipientid string, message string) error {
	recipient, err := h.services.GetAccount(recipientid)
	if err != nil {
		log.Error().Err(err).Msg("user not found")
		return err
	}

	pn, ok := recipient.Data["phone_number"]
	if !ok {
		log.Error().Msg("Beneficiary doesn't have a phone number")
		return errors.New("missing phone number")
	}
	phoneNumber, ok := pn.(string)
	if !ok {
		log.Error().Msg("phone number type error")
		return errors.New("phone number type error")
	}

	sender := h.config.GetString("service_name")

	err = h.services.SMS.Send(phoneNumber, message, sender)
	if err != nil {
		log.Error().Err(err).Msg("cannot send SMS")
		return err
	}

	return nil
}