// Copyright 2021 The Sigstore Authors.
//
// 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 client

import (
	"net/url"

	"github.com/go-openapi/runtime"
	httptransport "github.com/go-openapi/runtime/client"
	"github.com/go-openapi/strfmt"
	"github.com/sigstore/rekor/pkg/generated/client"
	"github.com/sigstore/rekor/pkg/util"
	"github.com/spf13/viper"
)

func GetRekorClient(rekorServerURL string, opts ...Option) (*client.Rekor, error) {
	url, err := url.Parse(rekorServerURL)
	if err != nil {
		return nil, err
	}
	o := makeOptions(opts...)

	rt := httptransport.New(url.Host, client.DefaultBasePath, []string{url.Scheme})
	rt.Consumers["application/yaml"] = YamlConsumer()
	rt.Consumers["application/x-pem-file"] = runtime.TextConsumer()
	rt.Consumers["application/pem-certificate-chain"] = runtime.TextConsumer()
	rt.Producers["application/yaml"] = YamlProducer()
	rt.Producers["application/timestamp-query"] = runtime.ByteStreamProducer()
	rt.Consumers["application/timestamp-reply"] = runtime.ByteStreamConsumer()

	if viper.GetString("api-key") != "" {
		rt.DefaultAuthentication = httptransport.APIKeyAuth("apiKey", "query", viper.GetString("api-key"))
	}

	rt.Transport = createRoundTripper(rt.Transport, o)

	registry := strfmt.Default
	registry.Add("signedCheckpoint", &util.SignedNote{}, util.SignedCheckpointValidator)
	return client.New(rt, registry), nil
}
