// Package scs_session - SessionStore backed by alexedwards/scs.
package scs_session

import (
	"context"
	"net/http"

	"atlas9.dev/c/core"
	"atlas9.dev/c/core/iam"
	"github.com/alexedwards/scs/v2"
)

// Store wraps scs.SessionManager to implement identity.SessionStore
type Store struct {
	manager *scs.SessionManager
}

var _ iam.SessionStore = (*Store)(nil)

func New(m *scs.SessionManager) *Store {
	return &Store{manager: m}
}

func (s *Store) Put(ctx context.Context, id core.ID) error {
	s.manager.Put(ctx, "principal", id.String())
	return nil
}

func (s *Store) Get(ctx context.Context) (core.ID, error) {
	raw := s.manager.GetString(ctx, "principal")
	return core.ParseID(raw)
}

func (s *Store) Destroy(ctx context.Context) error {
	return s.manager.Destroy(ctx)
}

func Middleware(s *Store, next http.Handler) http.Handler {
	return s.manager.LoadAndSave(next)
}