// Copyright 2019 Yunion
//
// 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 capabilities

import (
	"context"
	"fmt"
	"net/http"

	"yunion.io/x/jsonutils"

	"yunion.io/x/onecloud/pkg/appsrv"
	"yunion.io/x/onecloud/pkg/cloudcommon/policy"
	"yunion.io/x/onecloud/pkg/compute/models"
	"yunion.io/x/onecloud/pkg/httperrors"
	"yunion.io/x/onecloud/pkg/mcclient/auth"
)

func AddCapabilityHandler(prefix string, app *appsrv.Application) {
	app.AddHandler2("GET", fmt.Sprintf("%s/capabilities", prefix), auth.Authenticate(capaHandler), nil, "get_capabilities", nil)
}

func capaHandler(ctx context.Context, w http.ResponseWriter, r *http.Request) {
	userCred := auth.FetchUserCredential(ctx, policy.FilterPolicyCredential)
	query, err := jsonutils.ParseQueryString(r.URL.RawQuery)
	if err != nil {
		httperrors.GeneralServerError(ctx, w, err)
		return
	}
	capa, err := models.GetCapabilities(ctx, userCred, query, nil, nil)
	if err != nil {
		httperrors.GeneralServerError(ctx, w, err)
		return
	}
	appsrv.SendJSON(w, jsonutils.Marshal(capa))
}