package routing

import (
	"errors"
	lishwist "lishwist/core"
	"lishwist/http/api"
	"lishwist/http/response"
	"log"
	"net/http"

	"github.com/Teajey/rsvp"
)

func Register(session *response.Session, h http.Header, r *http.Request) rsvp.Response {
	props := api.NewRegisterProps("", "", "")

	flash := session.FlashGet()

	flashProps, _ := flash.(*api.RegisterProps)
	if flashProps != nil {
		props.Username.Value = flashProps.Username.Value

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

	return response.Data("register.gotmpl", props)
}

func RegisterPost(s *response.Session, h http.Header, r *http.Request) rsvp.Response {
	err := r.ParseForm()
	if err != nil {
		return response.Error(http.StatusBadRequest, "Failed to parse form")
	}

	username := r.Form.Get("username")
	newPassword := r.Form.Get("newPassword")
	confirmPassword := r.Form.Get("confirmPassword")

	props := api.NewRegisterProps(username, newPassword, confirmPassword)

	valid := props.Validate()
	props.Password.Value = ""
	props.ConfirmPassword.Value = ""
	if !valid {
		s.FlashSet(&props)
		log.Printf("Invalid props: %#v\n", props)
		return rsvp.SeeOther("/")
	}

	_, err = lishwist.Register(username, newPassword)
	if err != nil {
		if errors.Is(err, lishwist.ErrorUsernameTaken) {
			props.Username.Error = "Username is taken"
		} else {
			props.GeneralError = "Something went wrong."
		}
		s.FlashSet(&props)
		log.Printf("Registration failed: %s\n", err)
		return rsvp.SeeOther("/register")
	}

	s.FlashSet(true)
	return rsvp.SeeOther("/")
}