package server

import (
	"errors"
	"fmt"
	"net/http"
	"os"

	"github.com/labstack/echo/v4"

	"github.com/rjNemo/rentease/internal/view"
)

func handleLoginPage() echo.HandlerFunc {
	return func(c echo.Context) error {
		return renderTempl(c, http.StatusOK, view.Login())
	}
}

// TODO: move to auth service
func signIn(email, pwd string) error {
	if email != os.Getenv("ADMIN") || pwd != os.Getenv("ADMIN_PASSWORD") {
		return errors.New("unauthorized")
	}
	return nil
}

func handleLogin() echo.HandlerFunc {
	return func(c echo.Context) error {
		email := c.FormValue("email")
		pwd := c.FormValue("password")

		err := signIn(email, pwd)
		if err != nil {
			return c.Redirect(http.StatusSeeOther, fmt.Sprintf("%s?err=invalid+credentials", "/login"))
		}

		if err = writeCookie(c, email); err != nil {
			return c.Redirect(http.StatusSeeOther, fmt.Sprintf("%s?err=invalid+credentials", "/login"))
		}
		return c.Redirect(http.StatusFound, "/bookings")
	}
}