//
//  FlipSideViewController.m
//  Geopher
//
//  Created by Jeremy on 3/8/11.
//  Copyright 2011 Stone Software. All rights reserved.
//

#import "FlipSideViewController.h"
#import "Calculations.h"
#import "LocatorModel.h"
#import "textConverter.h"
#import "MapViewController.h"
#import "IASKSpecifier.h"
#import "GeopherAppDelegate.h"


@implementation FlipSideViewController

@synthesize latitudeTextView;
@synthesize longitudeTextView;
@synthesize webView;
@synthesize longitudeTextLabel;
@synthesize latitudeTextLabel;

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

#pragma mark -
#pragma mark IASKAppSettingsViewControllerDelegate protocol
- (void)settingsViewControllerDidEnd:(IASKAppSettingsViewController*)sender {
    [self dismissModalViewControllerAnimated:YES];
	
	// your code here to reconfigure the app for changed settings
	[(GeopherAppDelegate*)[[UIApplication sharedApplication] delegate] loadPersistentData];
}


- (IASKAppSettingsViewController*)appSettingsViewController
{
	if (!appSettingsViewController) {
		appSettingsViewController = [[IASKAppSettingsViewController alloc] initWithNibName:@"IASKAppSettingsView" bundle:nil];
		appSettingsViewController.delegate = self;
	}
	return appSettingsViewController;
}


#pragma mark -
#pragma mark TE Field handling


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


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


- (void)textFieldDidBeginEditing:(UITextField *)textField
{
	if (textField == latitudeTextView)
	{
		NSString* tempStr = [Calculations degreesToHourMinuteDecimal:[LocatorModel sharedInstance].currentLocation.coordinate.latitude isLatitude:YES];
		NSCharacterSet* set = [NSCharacterSet whitespaceCharacterSet];
		NSRange range = [tempStr rangeOfCharacterFromSet:set options:NSBackwardsSearch];
		textField.text = [tempStr substringToIndex: range.location + 1];
	}
	else if (textField == longitudeTextView)
	{
		NSString* tempStr = [Calculations degreesToHourMinuteDecimal:[LocatorModel sharedInstance].currentLocation.coordinate.longitude isLatitude:NO];
		NSCharacterSet* set = [NSCharacterSet whitespaceCharacterSet];
		NSRange range = [tempStr rangeOfCharacterFromSet:set options:NSBackwardsSearch];
		textField.text = [tempStr substringToIndex: range.location + 1];
	}
}


- (BOOL)textFieldDidEndEditing:(UITextField *)theTextField 
{
	textConverter* converter = [[[textConverter alloc] initWithString:[theTextField text]] autorelease];
	double lon = [LocatorModel sharedInstance].targetLocation.coordinate.longitude;
	double lat = [LocatorModel sharedInstance].targetLocation.coordinate.latitude;
	double conv = 0.0;
	BOOL newVal = [converter decimalFromString:&conv];
	
	// make sure conv is initialized to a good value if we are going forward.
	if (theTextField == latitudeTextView)
	{
		if (newVal)
			lat = conv;		// use the new val
		else
			conv = lat;		// keep the old val
		newVal = YES;
	}
	else if(theTextField == longitudeTextView)
	{
		if (newVal)
			lon = conv;		// use new val
		else
			conv = lon;		// use old val
		newVal = YES;
	}
	else
	{
		newVal = NO;
	}
	
	// if we have something to fill in from lat/lon
	if (newVal)
	{
		// bounds check to make sure we are ok.  If not, don't change the values and show the user the current value.
		if (lat > 90 || lat < -90)
		{
			conv = [LocatorModel sharedInstance].targetLocation.coordinate.latitude;
		}
		else if (lon > 180 || lon < -180)
		{
			conv = [LocatorModel sharedInstance].targetLocation.coordinate.longitude;
		}
		else	// we are good, change the values
		{
			// keep the obtained value.
			CLLocation* loc = [[CLLocation alloc] initWithLatitude:lat longitude:lon];
			[[LocatorModel sharedInstance] setTargetLocation: loc];
			[[LocatorModel sharedInstance] update];
			[loc release];
		}
		
		// revamp the target fields with the parsed value.
		[self updateTargetFields];
	}
	
	// Set the target values to valid or invalid.
	NSString* latText = [NSString stringWithString:latitudeTextView.text];
	NSString* lonText = [NSString stringWithString:longitudeTextView.text];
	
	if ([latText length] < 1 && [lonText length] < 1 )
		[[LocatorModel sharedInstance] setHasValidTarget:NO];
	else if ( [latText length] > 0 && [lonText length] > 0 )
		[[LocatorModel sharedInstance] setHasValidTarget:YES];
	
	return YES;
}


- (BOOL)textFieldShouldReturn:(UITextField *)theTextField
{
	
	// When the user presses return, take focus away from the text field so that the keyboard is dismissed.
	[theTextField resignFirstResponder];
	
	return YES;
}


#pragma mark -
#pragma mark URL/web Handling


- (IBAction)doFAQButton
{
	NSString* path = [[NSBundle mainBundle] pathForResource:@"FAQ" ofType:@"html"];
	if (path != nil)
		[self loadURL:[NSURL URLWithString:[path stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]]];
	
	//	#define kGeopherLiteFAQString				@"http://geopherlite.blogspot.com/2008/07/geopher-lite-faq.html"
	//	[[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]];
	}
}


- (void) loadURL:(NSURL*)url
{
	webView.dataDetectorTypes = UIDataDetectorTypeLink;
	[webView loadRequest:[NSURLRequest requestWithURL:url]];
}


- (IBAction) loadInternalURL:(id)sender
{
	webView.scalesPageToFit = YES;
	
	if (NetworkIsReachable() == YES)
	{
		double lat = [LocatorModel sharedInstance].currentLocation.coordinate.latitude;
		double lon = [LocatorModel sharedInstance].currentLocation.coordinate.longitude;
		
		NSString* str = kEmptyText;
		
		if (YES == [[NSUserDefaults standardUserDefaults] boolForKey:kHideFoundCaches])
			str = kExcludeFoundCaches;
		NSString *webLink = [NSString stringWithFormat:@"http://www.geocaching.com/seek/nearest.aspx?%@%f&%@%f%@", @"lat=", lat, @"lon=", lon, str];
		
		//	CFLocaleRef userLocaleRef = CFLocaleCopyCurrent();
		//	CFStringRef stringRef = CFLocaleGetValue(userLocaleRef, kCFLocaleCountryCode);
		//	str = (NSString*)stringRef;	// toll-free bridged
		// looks like geocaching.hu is not an affiliate of geocaching.com and may have different URL schemes and rules.  Sent them an email about 
		// using their site with Geopher Lite.  Sounds like they may be interested in helping out, but haven't heard any details back from them.
		
		[webView loadRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:webLink]]];
	}
	else
	{
		NSString* path = [[NSBundle mainBundle] pathForResource:@"SearchInternetError" ofType:@"html"];
		if (path != nil)
			[self loadURL:[NSURL URLWithString:[path stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]]];
	}
}


#pragma mark -

//- (void) goToLogin
//{
//	[webView loadRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:@"https://www.geocaching.com/login/default.aspx?RESETCOMPLETE=Y"]]];
//}
//
//
//- (BOOL)webView:(UIWebView *)webView shouldStartLoadWithRequest:(NSURLRequest *)request navigationType:(UIWebViewNavigationType)navigationType
//{
//	if (navigationType == UIWebViewNavigationTypeFormSubmitted) // &&
////		[[[request URL] resourceSpecifier] rangeOfString:@""])
//	{
//		NSLog(@"URL is: %@", [[request URL] absoluteURL]);
//		// https://www.geocaching.com/login/default.aspx?RESET=Y&redir=%2fseek%2flog.aspx%3fID%3d1224192
//		
//		// https://www.geocaching.com/login/default.aspx?RESETCOMPLETE=Y
//		[self goToLogin];
//		
//		return NO;
//	}
//	
//	return YES;
//}

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


- (void)webViewDidFinishLoad:(UIWebView *)inWebView
{
	[stopButton setEnabled:NO];
	if ([inWebView 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];
}


- (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;
}


#pragma mark -
#pragma mark UI rearranging


- (void) updateTargetFields
{
	// revamp the changed text field with the parsed value.
	latitudeTextView.text = [Calculations degreesToHourMinuteDecimal:[LocatorModel sharedInstance].targetLocation.coordinate.latitude isLatitude:YES];
	longitudeTextView.text = [Calculations degreesToHourMinuteDecimal:[LocatorModel sharedInstance].targetLocation.coordinate.longitude isLatitude:NO];	
}


- (void) hideLatLon:(BOOL)yesOrNo
{
	if (yesOrNo == YES)
	{
		latitudeTextView.frame = CGRectMake(-100, -100, latitudeTextView.frame.size.width, latitudeTextView.frame.size.height);
		longitudeTextView.frame = CGRectMake(-100, -100, latitudeTextView.frame.size.width, latitudeTextView.frame.size.height);
		latitudeTextLabel.frame = CGRectMake(-100, -100, latitudeTextView.frame.size.width, latitudeTextView.frame.size.height);
		longitudeTextLabel.frame = CGRectMake(-100, -100, latitudeTextView.frame.size.width, latitudeTextView.frame.size.height);
	}
	else
	{
		latitudeTextView.frame = CGRectMake(47, 49, latitudeTextView.frame.size.width, latitudeTextView.frame.size.height);
		longitudeTextView.frame = CGRectMake(209, 49, latitudeTextView.frame.size.width, latitudeTextView.frame.size.height);
		latitudeTextLabel.frame = CGRectMake(7, 49, latitudeTextView.frame.size.width, latitudeTextView.frame.size.height);
		longitudeTextLabel.frame = CGRectMake(157, 49, latitudeTextView.frame.size.width, latitudeTextView.frame.size.height);
	}
}


- (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)
		[self hideLatLon:NO];
	else
		[self 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)
	{
		float margin = [[UIScreen mainScreen] bounds].size.width - stopButton.frame.size.width - backButton.frame.size.width;
		float halfMargin = margin / 2.0f;
		stopButton.frame = CGRectMake(halfMargin - 9, 49, stopButton.frame.size.width, stopButton.frame.size.height);
		backButton.frame = CGRectMake(halfMargin + stopButton.frame.size.width + 9, 49, backButton.frame.size.width, backButton.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);
	}
	
	if (stage == settingsStage)
	{
		float margin = [[UIScreen mainScreen] bounds].size.width - settingsButton.frame.size.width - helpButton.frame.size.width;
		float halfMargin = margin / 2.0f;
		helpButton.frame = CGRectMake(halfMargin - 9, 49, helpButton.frame.size.width, helpButton.frame.size.height);
		settingsButton.frame = CGRectMake(halfMargin + helpButton.frame.size.width + 9, 49, settingsButton.frame.size.width, settingsButton.frame.size.height);
	}
	else
	{
		helpButton.frame = CGRectMake(-100, -100, helpButton.frame.size.width, helpButton.frame.size.height);
		settingsButton.frame = CGRectMake(-100, -100, settingsButton.frame.size.width, settingsButton.frame.size.height);
	}

	
	// additional stages can go here as needed.
	
}


#pragma mark -
#pragma mark Misc Actions


- (void) rotateActions
{
	// auto-increment the which button stage is showing and then display them below.
	mButtonStage++;
	if (mButtonStage >= totalStages)
		mButtonStage = mButtonStage % totalStages;
	
	[self hideControlsExcept:mButtonStage];
}


- (void) goBack
{
	[self dismissModalViewControllerAnimated:YES];
}


- (IBAction)displaySettings
{
	UINavigationController *aNavController = [[UINavigationController alloc] initWithRootViewController:self.appSettingsViewController];
    //[viewController setShowCreditsFooter:NO];   // Uncomment to not display InAppSettingsKit credits for creators.
    // But we encourage you not to uncomment. Thank you!
    self.appSettingsViewController.showDoneButton = YES;
    [self presentModalViewController:aNavController animated:YES];
    [aNavController release];	
}

- (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
		{
			// load our own map view
			mapController = [[MapViewController alloc] initWithNibName:@"MapView" bundle:nil];
			
			[self presentModalViewController:mapController animated:YES];
		}
	}
	else
	{
		NSString* path = [[NSBundle mainBundle] pathForResource:@"MapInternetError" ofType:@"html"];
		if (path != nil)
			[self loadURL:[NSURL URLWithString:[path stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]]];
	}
}


#pragma mark -


// The designated initializer.  Override if you create the controller programmatically and want to perform customization that is not appropriate for viewDidLoad.
/*
- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil {
    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
    if (self) {
        // Custom initialization.
    }
    return self;
}
*/


- (void)viewDidLoad
{
	mButtonStage = 0;
	self.view.backgroundColor = [UIColor viewFlipsideBackgroundColor];
	if (NO == [self LoadArchivedWebpage])
	{
		if ([[NSUserDefaults standardUserDefaults] boolForKey:kAutoLoadSearchKey] == YES)
		{
			[self loadInternalURL:self.view];
		}
		else
		{
			NSString* path = [[NSBundle mainBundle] pathForResource:@"Search" ofType:@"html"];
			if (path != nil)
				[self 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;
}


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

	[latitudeTextView dealloc];
	[longitudeTextView dealloc];
	[latitudeTextLabel dealloc];
	[longitudeTextLabel dealloc];
	[webView dealloc];
	
	[infoButton release];
	[backButton release];
	[helpButton release];
	[stopButton release];
	[settingsButton release];
	[updateWaypointString release];
	[cacheIDTextView release];
	[waypointLabel release];
	[logButton release];
	[mapController release];

	[appSettingsViewController release], appSettingsViewController = nil;

    [super dealloc];
}


@end