package auth

import (
	sesh "lishwist/session"
	"lishwist/templates"
	"net/http"
)

type LoginProps struct {
	GeneralError           string
	SuccessfulRegistration bool
	Username               templates.InputProps
	Password               templates.InputProps
}

func NewLoginProps() LoginProps {
	return LoginProps{
		Username: templates.InputProps{
			Name:     "username",
			Required: true,
		},
		Password: templates.InputProps{
			Name:     "password",
			Type:     "password",
			Required: true,
		},
	}
}

func (auth *AuthMiddleware) Login(w http.ResponseWriter, r *http.Request) {
	session, _ := auth.Store.Get(r, "lishwist_user")

	props := NewLoginProps()

	flash, err := sesh.GetFirstFlash(w, r, session, "login_props")
	if err != nil {
		http.Error(w, "Something went wrong. Error code: Zuko", http.StatusInternalServerError)
		return
	}

	flashProps, ok := flash.(*LoginProps)
	if ok {
		props.Username.Value = flashProps.Username.Value

		props.GeneralError = flashProps.GeneralError
		props.Username.Error = flashProps.Username.Error
		props.Password.Error = flashProps.Password.Error
	}

	flash, err = sesh.GetFirstFlash(w, r, session, "successful_registration")
	if err != nil {
		http.Error(w, "Something went wrong. Error code: Zuko", http.StatusInternalServerError)
		return
	}

	successfulReg, _ := flash.(bool)
	if successfulReg {
		props.SuccessfulRegistration = true
	}

	templates.Execute(w, "login.gotmpl", props)
}