package main

import (
	"context"
	"encoding/json"
	"fmt"
	"io"
	"log"
	"net/http"
	"time"

	"github.com/golang-jwt/jwt/v5"
)

type LoginInformation struct {
	Email    string `json:"email"`
	Password string `json:"password"`
}

type Claims struct {
	UserID string `json:"user_id"`
	jwt.RegisteredClaims
}

func HandleLogin(w http.ResponseWriter, r *http.Request) {
	if r.Method != http.MethodPost {
		log.Fatal("Not post method")
	}

	if r.Body == nil {
		log.Fatal("No body")
	}

	body, err := io.ReadAll(r.Body)
	if err != nil {
		log.Fatal(err)
	}
	var login LoginInformation
	err = json.Unmarshal(body, &login)
	if err != nil {
		log.Fatal(err)
	}

	var user User
	err = DB.NewSelect().
		Model(&user).
		Where("email = ? AND password = ?", login.Email, login.Password).
		Limit(1).
		Scan(context.Background())

	if err != nil {
		log.Fatal(err)
	}

	claims := Claims{
		UserID: user.UserID.String(),
		RegisteredClaims: jwt.RegisteredClaims{
			Issuer:    "latosa-escrima.fr",
			Subject:   "authentification",
			ExpiresAt: jwt.NewNumericDate(time.Now().Add(time.Hour * 24)),
			IssuedAt:  jwt.NewNumericDate(time.Now()),
		},
	}

	token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
	signed, err := token.SignedString([]byte("hello"))
	if err != nil {
		log.Fatal(err)
	}

	fmt.Println(signed)
}