//
//  FlipsideViewController.m
//  Geopher Lite
//
//  Created by Jeremy on 7/5/08.
//  Copyright Stone Software 2008. All rights reserved.
//

#import "FlipsideViewController.h"
#import "FlipsideView.h"
#import "LocatorModel.h"
#import "RootViewController.h"
#import "Reachability.h"


BOOL NetworkIsReachable(void)
{
	BOOL retVal = NO;
	
	[[Reachability sharedReachability] setHostName:@"www.geocaching.com"];
	if ([[Reachability sharedReachability] internetConnectionStatus] != NotReachable)
		retVal = YES;
	
	return retVal;
}


@implementation FlipsideViewController

@synthesize infoButton;
@synthesize backButton;
@synthesize helpButton;
@synthesize stopButton;
@synthesize saveButton;
@synthesize updateWaypointString;
@synthesize cacheIDTextView;
@synthesize waypointLabel;
@synthesize logButton;
@synthesize mapController;

- (void)viewDidLoad {
	self.view.backgroundColor = [UIColor viewFlipsideBackgroundColor];
	if (NO == [self LoadArchivedWebpage])
	{
		if ([[NSUserDefaults standardUserDefaults] boolForKey:kAutoLoadSearchKey] == YES)
		{
			[(FlipsideView*)self.view loadInternalURL:self.view];
		}
		else
		{
			NSString* path = [[NSBundle mainBundle] pathForResource:@"Search" ofType:@"html"];
			if (path != nil)
				[(FlipsideView*)self.view loadURL:[NSURL URLWithString:[path stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]]];
		}		
	}
	
	// disable back and stop buttons
	[backButton setEnabled:NO];
	[stopButton setEnabled:NO];
		
	if ([LocatorModel sharedInstance].hasValidTarget == YES)
		[self updateTargetFields];
	if (updateWaypointString != nil)
	{
		cacheIDTextView.text = updateWaypointString;
		[updateWaypointString release];
		updateWaypointString = nil;
	}

	// disable log button as needed.  Needs to happen after we re-set the log text.
	[self waypointEditingDidEnd];
	
	lastURL = nil;
}


- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation {
	// Return YES for supported orientations
	return (interfaceOrientation == UIInterfaceOrientationPortrait);
}


- (void)didReceiveMemoryWarning {
	[super didReceiveMemoryWarning]; // Releases the view if it doesn't have a superview
	// Release anything that's not essential, such as cached data
}


- (void)dealloc {
	if (updateWaypointString != nil)
		[updateWaypointString release];
	[super dealloc];
}


#pragma mark -


- (IBAction)editWaypointText
{
	cacheIDTextView.text = [NSString stringWithString:@"GC"];
}

- (IBAction)waypointEditingDidEnd
{
	if ([[cacheIDTextView text] length] > 5)
		[logButton setEnabled:YES];
	else
		[logButton setEnabled:NO];
	
	[g_AppDelegate savePersistentData];
}


- (void)webViewDidStartLoad:(UIWebView *)webView
{
	[chasingArrows startAnimating];
	[stopButton setEnabled:YES];
}


- (void)webViewDidFinishLoad:(UIWebView *)webView
{
	[stopButton setEnabled:NO];
	if ([webView canGoBack] == YES)
		[backButton setEnabled:YES];
	else
		[backButton setEnabled:NO];
	[chasingArrows stopAnimating];
}

- (void)webView:(UIWebView *)webView didFailLoadWithError:(NSError *)error
{
	// trying to download the GPX or LOC files gives this error:  WebKitErrorFrameLoadInterruptedByPolicyChange  Is there anything that can be done about it?
	NSLog(@"%@", error);
	[chasingArrows stopAnimating];
}

- (void) updateTargetFields
{
	[(FlipsideView*)self.view updateTargetFields];
}

- (IBAction)doGoogleMaps
{
	if (NetworkIsReachable() == YES)
	{
		BOOL useInternalMaps = [[NSUserDefaults standardUserDefaults] boolForKey:kUseInternalMapsKey];
		if (NO == useInternalMaps)
		{
			// example URL that works:
			NSMutableString* url = [NSMutableString stringWithFormat:
									@"http://maps.google.com/maps?q=%@+%@",
									[[LocatorModel sharedInstance] targetLatitudeText:NO],
									[[LocatorModel sharedInstance] targetLongitudeText:NO]];
			//	http://maps.google.com/maps?saddr=N+40+5.457+W+111+37.008&daddr=N+40+5.332+W+111+35.918
			
			// change the spaces to be + signs.
			[url replaceOccurrencesOfString:@" " withString:@"+" options:NSBackwardsSearch range:NSMakeRange(0, [url length])];
			
			[[UIApplication sharedApplication] openURL:[NSURL URLWithString:url]];
		}
		else
		{
			// turn back on the GPS if it's off in the prefs, so the map view works properly.
			if ([[NSUserDefaults standardUserDefaults] stringForKey:kAlwaysOnGPSKey] == NO)
			{	
				[[LocatorModel sharedInstance].locationManager startUpdatingLocation];
				[[LocatorModel sharedInstance].locationManager startUpdatingHeading];
			}
			
			// hide the flipside toolbar
			RootViewController* root = [g_AppDelegate rootViewController];
			[root.flipsideNavigationBar setHidden:YES];
			
			// load our own map view
			mapController = [[MapViewController alloc] initWithNibName:@"MapView" bundle:nil];
			mapController.rootController = self;
			
			// set up the curl animation
			[UIView beginAnimations:nil context:NULL];
			[UIView setAnimationDuration:0.6];
			[UIView setAnimationTransition:UIViewAnimationTransitionCurlUp forView:self.view cache:YES];
			
			// add the map view
			[mapController viewWillAppear:YES];
			[self viewWillDisappear:YES];
			[self.view insertSubview:mapController.view belowSubview:self.view ];
			[self viewDidDisappear:YES];
			[mapController viewDidAppear:YES];
			
			// animate
			[UIView commitAnimations];
		}
	}
	else
	{
		NSString* path = [[NSBundle mainBundle] pathForResource:@"MapInternetError" ofType:@"html"];
		if (path != nil)
			[(FlipsideView*)self.view loadURL:[NSURL URLWithString:[path stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]]];
	}
}


// intercept link clicks and other events in the web view.
- (BOOL)webView:(UIWebView*)webView shouldStartLoadWithRequest:(NSURLRequest*)request navigationType:(UIWebViewNavigationType)navigationType {
	NSURL *url = [request URL];	
	if (navigationType == UIWebViewNavigationTypeLinkClicked) 
	{
		// save the last link clicked.
		lastURL = url;
		[lastURL retain];
		
		if ([[url scheme] isEqualToString:@"http"])
		{			
			// if it's the log button we are pushing
			if (NSNotFound != [[url resourceSpecifier] rangeOfString:kLogString].location)
			{
				[[UIApplication sharedApplication] openURL: url];
				return NO;
			}
			//			// if it's a google maps link send it ot the maps app.
			//			if (NSNotFound != [[url resourceSpecifier] rangeOfString:@"maps.google.com"].location)
			//			{
			//				NSURL* tempURL = [[NSURL alloc] initWithScheme:@"maps" host:[url host] path:[url path]];
			//				[[UIApplication sharedApplication] openURL: url];
			//				[tempURL release];
			//			}
		}	 
	}
	else
	{
		NSLog(@"%@", [url absoluteString]);
	}
	return YES;   
}


- (void) hideControlsExcept:(int) stage
{
	static BOOL initialized = NO;
	
	// this really should be done elsewhere, but I don't have time now to track down exactly where and I know this will work.
	if (NO == initialized)
	{
		[logButton setTitleColor:[UIColor grayColor] forState:UIControlStateDisabled];
		[stopButton setTitleColor:[UIColor grayColor] forState:UIControlStateDisabled];
		[backButton setTitleColor:[UIColor grayColor] forState:UIControlStateDisabled];
		initialized = YES;
	}
	
	if (stage == latLonStage)
	{
		[(FlipsideView*)self.view hideLatLon:NO];
	}
	else
	{
		[(FlipsideView*)self.view hideLatLon:YES];
	}
	
	if (stage == waypointStage)
	{
		int one = 320 - 9 - logButton.frame.size.width - 33;
		int two = one - 15 - cacheIDTextView.frame.size.width;
		int three = two - 10 - waypointLabel.frame.size.width;
		logButton.frame = CGRectMake(one, 49, logButton.frame.size.width, logButton.frame.size.height);
		waypointLabel.frame = CGRectMake(three, 54, waypointLabel.frame.size.width, waypointLabel.frame.size.height);
		cacheIDTextView.frame = CGRectMake(two, 49, cacheIDTextView.frame.size.width, cacheIDTextView.frame.size.height);
	}
	else
	{
		logButton.frame = CGRectMake(-100, -100, logButton.frame.size.width, logButton.frame.size.height);
		waypointLabel.frame = CGRectMake(-100, -100, waypointLabel.frame.size.width, waypointLabel.frame.size.height);
		cacheIDTextView.frame = CGRectMake(-100, -100, cacheIDTextView.frame.size.width, cacheIDTextView.frame.size.height);
	}
	
	if (stage == browseButtonStage)
	{
		stopButton.frame = CGRectMake(152, 49, stopButton.frame.size.width, stopButton.frame.size.height);
		backButton.frame = CGRectMake(237, 49, backButton.frame.size.width, backButton.frame.size.height);
		helpButton.frame = CGRectMake(7, 49, helpButton.frame.size.width, helpButton.frame.size.height);
	}
	else
	{
		stopButton.frame = CGRectMake(-100, -100, stopButton.frame.size.width, stopButton.frame.size.height);
		backButton.frame = CGRectMake(-100, -100, backButton.frame.size.width, backButton.frame.size.height);
		helpButton.frame = CGRectMake(-100, -100, helpButton.frame.size.width, helpButton.frame.size.height);
	}
	
	// additional stages can go here as needed.
	
}


- (IBAction)doFAQButton
{
	NSString* path = [[NSBundle mainBundle] pathForResource:@"FAQ" ofType:@"html"];
	if (path != nil)
		[(FlipsideView*)self.view loadURL:[NSURL URLWithString:[path stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]]];

	//	[[UIApplication sharedApplication] openURL:[NSURL URLWithString:kGeopherLiteFAQString]];
}


- (IBAction) logCache:(id)sender
{
	if ([[cacheIDTextView text] length] > 2)
	{
		NSString *webLink = [NSString stringWithFormat:@"http://www.geocaching.com/seek/%@wp=%@", kLogString, [NSString stringWithString:[cacheIDTextView text]]];
		//	[webView loadRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:webLink]]];
		[[UIApplication sharedApplication] openURL:[NSURL URLWithString:webLink]];
	}
}

- (BOOL) ArchiveWebView
{
//	static BOOL initialized = NO;
	BOOL retVal = NO;

//	CURL *curl;
//	CURLcode res;
//	
//	if (!initialized)
//	{
//		curl = curl_easy_init();
//		initialized = YES;
//	}
//
	return retVal;
}

- (BOOL) LoadArchivedWebpage
{
	BOOL retVal = NO;
//	NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
//	NSString *documentsDirectory = [paths objectAtIndex:0];
//	NSString* webArchive = [documentsDirectory stringByAppendingPathComponent:kAppWebArchiveFilename];
//
//	// web archive, if it exists
//	UIWebView* webView = nil;
//	webView = [NSKeyedUnarchiver unarchiveObjectWithFile:webArchive];
//	
//	if (webView != nil)
//	{
////		webView.delegate = ((FlipsideView*)self.view).webView.delegate;
//		((FlipsideView*)self.view).webView = webView;
//		[((FlipsideView*)self.view).webView setDelegate:self];
//		retVal = YES;
//	}

	return retVal;
}

@end