/* Copyright (c) 2009 Google Inc.
 *
 * 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.
 */

#import <Cocoa/Cocoa.h>

#undef _EXTERN
#undef _INITIALIZE_AS
#ifdef EMUPCONSTANTS_DEFINE_GLOBALS
#define _EXTERN 
#define _INITIALIZE_AS(x) =x
#else
#define _EXTERN extern
#define _INITIALIZE_AS(x)
#endif


// no messages over 31 megs, per the API
_EXTERN const unsigned int kMaxMesssageSize _INITIALIZE_AS(1024 * 1024 * 31);

// uploading starts in fast mode, then changes to slow mode
//
// fast mode: up to 10 tickets pending at a time, roughly 5 per second
//
// slow mode: one ticket pending at a time, limited to 1 per second
//
// the mode changes from fast to slow after 500 fast messages, or when we
// get a 503 status telling us to back off

// 1 message per second in slow mode, estimate 5 per second in fast mode
_EXTERN const NSTimeInterval kSlowUploadInterval   _INITIALIZE_AS(1);
_EXTERN const NSTimeInterval kFastUploadInterval   _INITIALIZE_AS(0.2);

// we'll have one 1 fetch pending at a time in slow mode, at most 10 at a time
// in fast mode
_EXTERN const unsigned int kSlowUploadMaxTickets   _INITIALIZE_AS(1);
_EXTERN const unsigned int kFastUploadMaxTickets   _INITIALIZE_AS(10);

// we can upload up to 500 messages in fast mode
_EXTERN const unsigned int kFastModeMaxMessages _INITIALIZE_AS(500);

// we won't intentionally create more tickets when 10 MB in messages
// are uploading at once
_EXTERN const unsigned int kMaxTotalUploadDataSize _INITIALIZE_AS(1024 * 1024 * 10);

//
// notifications
//

// counting messages for mailbox
_EXTERN NSString* const kEmUpLoadingMailbox _INITIALIZE_AS(@"kEmUpLoadingMailbox");

// message parsing failed
_EXTERN NSString* const kEmUpMessageParsingFailed _INITIALIZE_AS(@"kEmUpMessageParsingFailed");


//
// property keys
//

// mailbox name to be used as a label for the entry when uploading
_EXTERN NSString *const kEmUpMailboxNameKey       _INITIALIZE_AS(@"kEmUpMailboxNameKey");

// properties to be added to the GData entry
_EXTERN NSString *const kEmUpMailboxPropertiesKey _INITIALIZE_AS(@"kEmUpMailboxPropertiesKey");

// headers of this message, for diagnostic purposes
_EXTERN NSString *const kEmUpMessageIDKey  _INITIALIZE_AS(@"kEmUpMessageIDKey");

// byte range of message
_EXTERN NSString *const kEmUpMessageRangeKey  _INITIALIZE_AS(@"kEmUpMessageRangeKey");

// index in file of message, 0-based NSNumber
_EXTERN NSString *const kEmUpMessageIndexKey  _INITIALIZE_AS(@"kEmUpMessageIndexKey");

// full path of message's file
_EXTERN NSString *const kEmUpMessagePathKey  _INITIALIZE_AS(@"kEmUpMessagePathKey");

// error string
_EXTERN NSString *const kEmUpMessageErrorStringKey  _INITIALIZE_AS(@"kEmUpMessageErrorStringKey");

// type of error
_EXTERN NSString *const kEmUpMessageErrorType  _INITIALIZE_AS(@"kEmUpMessageErrorType");
_EXTERN NSString *const kEmUpMessageErrorTypeDuplicate  _INITIALIZE_AS(@"duplicate");
_EXTERN NSString *const kEmUpMessageErrorTypeServer     _INITIALIZE_AS(@"server");