// Copyright 2021 The Matrix.org Foundation C.I.C.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package routing

import (
	"net/http"

	"github.com/matrix-org/dendrite/clientapi/httputil"
	"github.com/matrix-org/dendrite/clientapi/jsonerror"
	"github.com/matrix-org/dendrite/keyserver/api"
	userapi "github.com/matrix-org/dendrite/userapi/api"
	"github.com/matrix-org/util"
)

func UploadCrossSigningDeviceKeys(req *http.Request, keyserverAPI api.KeyInternalAPI, device *userapi.Device) util.JSONResponse {
	uploadReq := &api.PerformUploadDeviceKeysRequest{}
	uploadRes := &api.PerformUploadDeviceKeysResponse{}

	if err := httputil.UnmarshalJSONRequest(req, &uploadReq.CrossSigningKeys); err != nil {
		return *err
	}

	keyserverAPI.PerformUploadDeviceKeys(req.Context(), uploadReq, uploadRes)
	if err := uploadRes.Error; err != nil {
		switch {
		case err.IsInvalidSignature:
			return util.JSONResponse{
				Code: http.StatusBadRequest,
				JSON: jsonerror.InvalidSignature(err.Error()),
			}
		case err.IsMissingParam:
			return util.JSONResponse{
				Code: http.StatusBadRequest,
				JSON: jsonerror.MissingParam(err.Error()),
			}
		default:
			return util.JSONResponse{
				Code: http.StatusBadRequest,
				JSON: jsonerror.Unknown(err.Error()),
			}
		}
	}

	return util.JSONResponse{}
}

func UploadCrossSigningDeviceSignatures(req *http.Request, keyserverAPI api.KeyInternalAPI, device *userapi.Device) util.JSONResponse {
	uploadReq := &api.PerformUploadDeviceSignaturesRequest{}
	uploadRes := &api.PerformUploadDeviceSignaturesResponse{}

	if err := httputil.UnmarshalJSONRequest(req, &uploadReq.CrossSigningSignatures); err != nil {
		return *err
	}

	keyserverAPI.PerformUploadDeviceSignatures(req.Context(), uploadReq, uploadRes)
	if err := uploadRes.Error; err != nil {
		switch {
		case err.IsInvalidSignature:
			return util.JSONResponse{
				Code: http.StatusBadRequest,
				JSON: jsonerror.InvalidSignature(err.Error()),
			}
		case err.IsMissingParam:
			return util.JSONResponse{
				Code: http.StatusBadRequest,
				JSON: jsonerror.MissingParam(err.Error()),
			}
		default:
			return util.JSONResponse{
				Code: http.StatusBadRequest,
				JSON: jsonerror.Unknown(err.Error()),
			}
		}
	}

	return util.JSONResponse{}
}