// Copyright 2017 Pilosa Corp.
//
// 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 http_test

import (
	"encoding/json"
	"net"
	"testing"

	"github.com/pilosa/pilosa/v2"
	"github.com/pilosa/pilosa/v2/http"
	"github.com/pilosa/pilosa/v2/test"
)

func TestHandlerOptions(t *testing.T) {
	_, err := http.NewHandler()
	if err == nil {
		t.Fatalf("expected error making handler without options, got nil")
	}
	_, err = http.NewHandler(http.OptHandlerAPI(&pilosa.API{}))
	if err == nil {
		t.Fatalf("expected error making handler without options, got nil")
	}
	ln, err := net.Listen("tcp", ":0")
	if err != nil {
		t.Fatal(err)
	}
	_, err = http.NewHandler(http.OptHandlerListener(ln))
	if err == nil {
		t.Fatalf("expected error making handler without options, got nil")
	}
}

func TestMarshalUnmarshalTransactionResponse(t *testing.T) {
	tests := []struct {
		name string
		tr   *http.TransactionResponse
	}{
		{
			name: "nil transaction",
			tr:   &http.TransactionResponse{},
		},
		{
			name: "empty transaction",
			tr:   &http.TransactionResponse{Transaction: &pilosa.Transaction{}},
		},
	}

	for _, tst := range tests {
		t.Run(tst.name, func(t *testing.T) {
			data, err := json.Marshal(tst.tr)
			if err != nil {
				t.Fatalf("marshaling: %v", err)
			}

			mytr := &http.TransactionResponse{}
			err = json.Unmarshal(data, mytr)
			if err != nil {
				t.Fatalf("unmarshalling: %v", err)
			}

			if mytr.Error != tst.tr.Error {
				t.Errorf("errors mismatch:exp/got \n%v\n%v", tst.tr.Error, mytr.Error)
			}
			test.CompareTransactions(t, tst.tr.Transaction, mytr.Transaction)
		})
	}
}