//
//  BitlySvc.m
//
//	Copyright (c) 2009, Robert R. Fahrni
//	All rights reserved.
//
//	Redistribution and use in source and binary forms, with or without modification, 
//	are permitted provided that the following conditions are met:
//
//	1.	Redistributions of source code must retain the above copyright notice, 
//		this list of conditions and the following disclaimer.
//	2.	Redistributions in binary form must reproduce the above copyright notice, 
//		this list of conditions and the following disclaimer in the documentation and/or 
//		other materials provided with the distribution.
//	3.	Neither the name of the author nor the names of its contributors may be 
//		used to endorse or promote products derived from this software without specific 
//		prior written permission.
//
//	THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS 
//	OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY 
//	AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 
//	CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
//	DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 
//	DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 
//	IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 
//	OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
#import "BitlySvc.h"
#import "ShrtySvcConst.h"
#import "ShrtyDefaultParser.h"

@implementation BitlySvc

- (id) initWithUserName:(NSString*)userName 
		userPassword:(NSString*)userPassword 
		delegate:(id)delegate
{
	self = [super initWithServiceURL:kShrtyBitlySvcURL 
						shortenMethodName:kShrtyBitlySvcShortenMethod 
						shortenMethodArgs:kShrtyBitlySvcShortenArgsDemo 
						expandMethodName:kShrtyBitlySvcExpandMethod 
						expandMethodArgs:kShrtyBitlySvcExpandArgsDemo 
						userName:userName 
						userPassword:userPassword 
						delegate:delegate];
	return self;
}

// initWithURL
//
// Introduced method, since Bit.ly and j.mp are the same darned thing, allow construction
// of this object based on the service name, so we can specify j.mp or bit.ly. 
//
// NOTE: The default initializer, initWithUserName creates a bit.ly instance.
- (id) initWithURL:(NSString*)serviceURL
		userName:(NSString*)userName 
		userPassword:(NSString*)userPassword 
		delegate:(id)delegate
{
	self = [super initWithServiceURL:serviceURL 
						shortenMethodName:kShrtyBitlySvcShortenMethod 
						shortenMethodArgs:kShrtyBitlySvcShortenArgsDemo 
						expandMethodName:kShrtyBitlySvcExpandMethod 
						expandMethodArgs:kShrtyBitlySvcExpandArgsDemo 
						userName:userName 
						userPassword:userPassword 
						delegate:delegate];
	return self;
}


- (void) dealloc
{
	[super dealloc];
}

static NSString* kBitlyErrorCodeTag = @"errorCode";
static NSString* kBitlyShortUrlTag	= @"shortUrl";
static NSString* kBitlyLongUrlTag	= @"longUrl";
static NSString* kBitlyErrorMsgTag	= @"errorMessage";

- (void) parseResult:(NSData*)resultData
{
	NSLog(@"BitlySvc:parseResult:resultData");
	ShrtyDefaultParser* shrtyParser = nil;
	if (kShrtyMethodShorten == _currentMethod)
	{
		// Parse the results.
		shrtyParser = [[ShrtyDefaultParser alloc] initWithResultCodeTagName:kBitlyErrorCodeTag resultTagName:kBitlyShortUrlTag delegate:_delegate];
		[shrtyParser parse:resultData];
	
		NSString* resultingURL = [shrtyParser result];
		if (nil != resultingURL)
		{
			// Notify the delegate
			[super notifyShortenedURL:resultingURL resultCode:[shrtyParser resultCode]];
		}
		else
		{
			// We've failed. Go suss out the problem. Bit.ly, and j.mp, will return OK for the call, and an empty error code,
			// BUT we won't get a shortUrl, we'll get an errorMessage instead, so just PARSE for it!
			ShrtyDefaultParser* shrtyErrorParser = [[ShrtyDefaultParser alloc] initWithResultCodeTagName:kBitlyErrorCodeTag resultTagName:kBitlyErrorMsgTag delegate:_delegate];
			[shrtyErrorParser parse:resultData];
			
			[super notifyDidFailWithErrorMessage:[shrtyErrorParser result]];
			[shrtyErrorParser release];
		}
	}
	else if (kShrtyMethodExpand == _currentMethod)
	{
		// Parse the results.
		shrtyParser = [[ShrtyDefaultParser alloc] initWithResultCodeTagName:kBitlyErrorCodeTag resultTagName:kBitlyLongUrlTag delegate:_delegate];
		[shrtyParser parse:resultData];
	
		// Notify the delegate
		[super notifyExpandedURL:[shrtyParser result] resultCode:[shrtyParser resultCode]];
	}

	// We're done.
	[shrtyParser release];
}

@end // BitlySvc