package routes

import (
	"api/models"
	"log"
	"os"
	"strconv"
	"time"

	"github.com/gofiber/fiber/v2"
	"github.com/golang-jwt/jwt/v4"
	"golang.org/x/crypto/bcrypt"
)

func Login(c *fiber.Ctx) error {

	var data map[string]string

	if err := c.BodyParser(&data); err != nil {
		log.Printf("Bad Request on parse: %v\n", err)
		return fiber.ErrBadRequest
	}

	var user models.User

	if user.Id == 0 {
		return c.JSON(fiber.Map{
			"message":  "Usuário não encontrado",
			"userId":   0,
			"userType": "",
			"userName": "",
			"token":    ""})
	}

	if err := bcrypt.CompareHashAndPassword(user.Password, []byte(data["password"])); err != nil {
		return c.JSON(fiber.Map{
			"message":  "Senha inválida",
			"userId":   0,
			"userType": "",
			"userName": "",
			"token":    ""})
	}

	type customClaims struct {
		Userid string `json:"user"`
		jwt.StandardClaims
	}

	tok := customClaims{
		Userid: strconv.Itoa(int(user.Id)),
		StandardClaims: jwt.StandardClaims{
			Issuer:    strconv.Itoa(int(user.Id)),
			ExpiresAt: time.Now().Add(time.Hour * 1).Unix(),
		},
	}

	claims := jwt.NewWithClaims(jwt.SigningMethodHS256, tok)

	token, err := claims.SignedString([]byte(os.Getenv("API_SECRET")))
	if err != nil {
		return fiber.ErrInternalServerError
	}

	return c.JSON(fiber.Map{
		"message":  "",
		"userId":   user.Id,
		"userType": user.UserType,
		"userName": user.Name,
		"token":    token})
}