package request

import (
	"context"
	"fmt"
	"log"
	"net/http"
)

//Post : retorna um parametro post
func Post(r *http.Request, parameter string) string {
	if err := r.ParseForm(); err != nil {
		fmt.Printf("ParseForm() err: %v", err)
		return ""
	}
	return r.FormValue(parameter)
}

//Get : retorna um parametro get
func Get(r *http.Request, parameter string) string {
	keys, ok := r.URL.Query()[parameter]

	if !ok || len(keys[0]) < 1 {
		log.Println("Url Param 'key' is missing")
		return ""
	}

	key := keys[0]

	return string(key)
}

func SetContextValue(r *http.Request, k string, v interface{}) *http.Request {
	ctx := context.WithValue(r.Context(), k, v)
	return r.WithContext(ctx)
}

func GetContextValue(r *http.Request, parameter string) interface{} {
	return r.Context().Value(parameter)
}