package rest

import (
	"encoding/json"
	"net/http"
)

func writeErrOrResponse(w http.ResponseWriter, err error, value interface{}) {
	w.Header().Set("Content-Type", "application/json; charset=UTF-8")

	if err != nil {
		w.WriteHeader(http.StatusInternalServerError)
		return
	}

	jsonResponse, err := json.Marshal(value)
	if err != nil {
		w.WriteHeader(http.StatusInternalServerError)
		return
	}

	_, err = w.Write(jsonResponse)
	if err != nil {
		w.WriteHeader(http.StatusInternalServerError)
		return
	}
}

func writeResponse(w http.ResponseWriter, value interface{}, code int) {
	w.Header().Set("Content-Type", "application/json; charset=UTF-8")
	jsonResponse, err := json.Marshal(value)
	if err != nil {
		w.WriteHeader(http.StatusInternalServerError)
		return
	}

	// w.Write implicitly writes a 200 status code
	// and only once we can write 2xx-5xx status code
	// so any statusCode apart from 1xx being written to the header, will be ignored.
	w.WriteHeader(code)
	_, _ = w.Write(jsonResponse)
}