/*
   GoToSocial
   Copyright (C) 2021 GoToSocial Authors admin@gotosocial.org

   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU Affero General Public License as published by
   the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU Affero General Public License for more details.

   You should have received a copy of the GNU Affero General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

package nodeinfo

import (
	"net/http"

	"github.com/sirupsen/logrus"
	"github.com/superseriousbusiness/gotosocial/internal/api"
	"github.com/superseriousbusiness/gotosocial/internal/config"
	"github.com/superseriousbusiness/gotosocial/internal/processing"
	"github.com/superseriousbusiness/gotosocial/internal/router"
)

const (
	// NodeInfoWellKnownPath is the base path for serving responses to nodeinfo lookup requests.
	NodeInfoWellKnownPath = ".well-known/nodeinfo"
	// NodeInfoBasePath is the path for serving nodeinfo responses.
	NodeInfoBasePath      = "/nodeinfo/2.0"
)

// Module implements the FederationModule interface
type Module struct {
	config    *config.Config
	processor processing.Processor
	log       *logrus.Logger
}

// New returns a new nodeinfo module
func New(config *config.Config, processor processing.Processor, log *logrus.Logger) api.FederationModule {
	return &Module{
		config:    config,
		processor: processor,
		log:       log,
	}
}

// Route satisfies the FederationModule interface
func (m *Module) Route(s router.Router) error {
	s.AttachHandler(http.MethodGet, NodeInfoWellKnownPath, m.NodeInfoWellKnownGETHandler)
	s.AttachHandler(http.MethodGet, NodeInfoBasePath, m.NodeInfoGETHandler)
	return nil
}