package login

import (
	"encoding/json"
	"fmt"
	"io/ioutil"
	"log"
	"net/http"
)

type User struct {
	UserID   string `json:"user_id"`
	Password string `json:"password"`
}

func HelloGet(w http.ResponseWriter, r *http.Request) {
	log.Printf("Starting my hello world logging.")
	fmt.Fprint(w, "Hello, World!")
}

func MyWorld(w http.ResponseWriter, r *http.Request) {
	log.Printf(" My world logging.")
	fmt.Fprint(w, "My World!")
}

func Login(w http.ResponseWriter, r *http.Request) {
	log.Printf("Start login.")
	// Read body
	b, err := ioutil.ReadAll(r.Body)
	defer r.Body.Close()
	if err != nil {
		log.Printf("[ERROR] Read body.", err.Error())
		http.Error(w, err.Error(), 500)
		return
	}
	// Unmarshal
	var usr User
	err = json.Unmarshal(b, &usr)
	if err != nil {
		log.Printf("[ERROR] Unmarshal %s.", err.Error())
		http.Error(w, err.Error(), 500)
		return
	}
	log.Printf("Parse User login.", usr)
	bty, err := json.Marshal(usr)
	if err != nil {
		log.Printf("[ERROR] Marshal %s.", err.Error())
		http.Error(w, err.Error(), 500)
		return
	}
	fmt.Fprint(w, bty)
	log.Printf("End login.")
}