//
//  OpenCachingRequest.m
//  Geopher OpenCaching
//
//  Created by Jeremy on 12/29/10.
//  Copyright 2010 Stone Software. All rights reserved.
//

#import "OpenCachingRequest.h"

@interface OpenCachingRequest ()
- (id) init;
- (void) dealloc;
@end

@implementation OpenCachingRequest
@synthesize delegate;

- (id) init
{
	self = [super init];
	if (self != nil) 
	{
		delegate = nil;
		responseData = [[NSMutableData alloc] init];
	}
	return self;
}

- (void) dealloc
{
	[responseData release];
	[delegate release];
	[self cancelProgress];
	[super dealloc];
}


- (BOOL) requestIsInProgress
{
	return connection != nil;
}


// returns NO if the request is invalid
- (BOOL) makeGetRequest:(NSString*)inRequest withDelegate:(id <OpenCachingRequestProtocol>)inDelegate
{
	if (connection != nil || inRequest == nil || inDelegate == nil)
		return NO;

	NSURLRequest *request = [NSURLRequest requestWithURL:[NSURL URLWithString:inRequest]];
	connection = [[NSURLConnection alloc] initWithRequest:request delegate:self];
	self.delegate = inDelegate;

	return YES;
}

- (void) cancelProgress
{
	if (connection)
	{
		[connection cancel];
		[connection autorelease];
		connection = nil;
	}
}

#pragma mark -
#pragma mark request delegate

- (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response
{
	[responseData setLength:0];
}


- (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data
{
	[responseData appendData:data];
}


- (void)connection:(NSURLConnection *)inConnection didFailWithError:(NSError *)error 
{
	if (delegate && [delegate respondsToSelector:@selector(passBackError:)])
		[delegate passBackError:error];
	else 
		NSLog(@"connection error: %hi, %@", [error code], [error localizedDescription]);
	
	[connection autorelease];
	connection = nil;
}


- (void)connectionDidFinishLoading:(NSURLConnection *)inConnection
{		
	if (delegate)
		[delegate returnDataComplete:[NSData dataWithData:responseData]];
	
	[connection release];	// remember, we are releasing this here.  Prob should make this a member variable.
	connection = nil;	
}


@end