/*
 * Copyright (c) 2021 The Clymene 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 recoveryhandler

import (
	"fmt"
	"net/http"

	"github.com/gorilla/handlers"
	"go.uber.org/zap"
)

// zapRecoveryWrapper wraps a zap logger into a gorilla RecoveryLogger
type zapRecoveryWrapper struct {
	logger *zap.Logger
}

// Println logs an error message with the given fields
func (z zapRecoveryWrapper) Println(args ...interface{}) {
	z.logger.Error(fmt.Sprint(args...))
}

// NewRecoveryHandler returns an http.Handler that recovers on panics
func NewRecoveryHandler(logger *zap.Logger, printStack bool) func(h http.Handler) http.Handler {
	zWrapper := zapRecoveryWrapper{logger}
	return handlers.RecoveryHandler(handlers.RecoveryLogger(zWrapper), handlers.PrintRecoveryStack(printStack))
}
