// Copyright (c) 2012, Sean Treadway, SoundCloud Ltd.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Source code and contact info at http://github.com/streadway/amqp

package amqp

import (
	"time"
)

// Return captures a flattened struct of fields returned by the server when a
// Publishing is unable to be delivered either due to the `mandatory` flag set
// and no route found, or `immediate` flag set and no free consumer.
type Return struct {
	ReplyCode  uint16 // reason
	ReplyText  string // description
	Exchange   string // basic.publish exchange
	RoutingKey string // basic.publish routing key

	// Properties
	ContentType     string    // MIME content type
	ContentEncoding string    // MIME content encoding
	Headers         Table     // Application or header exchange table
	DeliveryMode    uint8     // queue implemention use - non-persistent (1) or persistent (2)
	Priority        uint8     // queue implementation use - 0 to 9
	CorrelationId   string    // application use - correlation identifier
	ReplyTo         string    // application use - address to to reply to (ex: RPC)
	Expiration      string    // implementation use - message expiration spec
	MessageId       string    // application use - message identifier
	Timestamp       time.Time // application use - message timestamp
	Type            string    // application use - message type name
	UserId          string    // application use - creating user id
	AppId           string    // application use - creating application

	Body []byte
}

func newReturn(msg basicReturn) *Return {
	props, body := msg.getContent()

	return &Return{
		ReplyCode:  msg.ReplyCode,
		ReplyText:  msg.ReplyText,
		Exchange:   msg.Exchange,
		RoutingKey: msg.RoutingKey,

		Headers:         props.Headers,
		ContentType:     props.ContentType,
		ContentEncoding: props.ContentEncoding,
		DeliveryMode:    props.DeliveryMode,
		Priority:        props.Priority,
		CorrelationId:   props.CorrelationId,
		ReplyTo:         props.ReplyTo,
		Expiration:      props.Expiration,
		MessageId:       props.MessageId,
		Timestamp:       props.Timestamp,
		Type:            props.Type,
		UserId:          props.UserId,
		AppId:           props.AppId,

		Body: body,
	}
}
