//

//  overlayViewController.m

//  HedgewarsMobile

//

//  Created by Vittorio on 16/03/10.

//  Copyright 2010 __MyCompanyName__. All rights reserved.

//

#import "OverlayViewController.h"

#import "SDL_uikitappdelegate.h"

#import "PascalImports.h"

#import "CGPointUtils.h"

#import "SDL_mouse.h"

#import "SDL_config_iphoneos.h"

#import "PopoverMenuViewController.h"

#import "CommodityFunctions.h"

#define HIDING_TIME_DEFAULT [NSDate dateWithTimeIntervalSinceNow:2.7]

#define HIDING_TIME_NEVER   [NSDate dateWithTimeIntervalSinceNow:10000]

@implementation OverlayViewController

@synthesize popoverController, popupMenu, writeChatTextField, spinningWheel;

-(BOOL) shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation) interfaceOrientation {

    return rotationManager(interfaceOrientation);

}

-(void) didReceiveMemoryWarning {

    // Releases the view if it doesn't have a superview.

    [super didReceiveMemoryWarning];

    // Release any cached data, images, etc that aren't in use.

    if (popupMenu.view.superview == nil) 

        popupMenu = nil;

}

-(void) didRotate:(NSNotification *)notification {  

    UIDeviceOrientation orientation = [[UIDevice currentDevice] orientation];

    CGRect rect = [[UIScreen mainScreen] bounds];

    CGRect usefulRect = CGRectMake(0, 0, rect.size.width, rect.size.height);

    UIView *sdlView = [[[UIApplication sharedApplication] keyWindow] viewWithTag:12345];

    [UIView beginAnimations:@"rotation" context:NULL];

    [UIView setAnimationDuration:0.8f];

    [UIView setAnimationCurve:UIViewAnimationCurveEaseInOut];

    switch (orientation) {

        case UIDeviceOrientationLandscapeLeft:

            sdlView.transform = CGAffineTransformMakeRotation(degreesToRadian(0));

            self.view.transform = CGAffineTransformMakeRotation(degreesToRadian(90));

            [self chatDisappear];

            HW_setLandscape(YES);

            break;

        case UIDeviceOrientationLandscapeRight:

            sdlView.transform = CGAffineTransformMakeRotation(degreesToRadian(180));

            self.view.transform = CGAffineTransformMakeRotation(degreesToRadian(-90));

            [self chatDisappear];

            HW_setLandscape(YES);

            break;

        case UIDeviceOrientationPortrait:

            if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {

                sdlView.transform = CGAffineTransformMakeRotation(degreesToRadian(270));

                self.view.transform = CGAffineTransformMakeRotation(degreesToRadian(0));

                [self chatAppear];

                HW_setLandscape(NO);

            }

            break;

        case UIDeviceOrientationPortraitUpsideDown:

            if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {

                sdlView.transform = CGAffineTransformMakeRotation(degreesToRadian(90));

                self.view.transform = CGAffineTransformMakeRotation(degreesToRadian(180));

                [self chatAppear];

                HW_setLandscape(NO);

            }

            break;

        default:

            break;

    }

    self.view.frame = usefulRect;

    //sdlView.frame = usefulRect;

    [UIView commitAnimations];

}

-(void) chatAppear {

    if (writeChatTextField == nil) {

        writeChatTextField = [[UITextField alloc] initWithFrame:CGRectMake(0, 100, 768, [UIFont systemFontSize]+8)];

        writeChatTextField.textColor = [UIColor whiteColor];

        writeChatTextField.backgroundColor = [UIColor blueColor];

        writeChatTextField.autocapitalizationType = UITextAutocapitalizationTypeNone;

        writeChatTextField.autocorrectionType = UITextAutocorrectionTypeNo;

        writeChatTextField.enablesReturnKeyAutomatically = NO;

        writeChatTextField.keyboardAppearance = UIKeyboardAppearanceDefault;

        writeChatTextField.keyboardType = UIKeyboardTypeDefault;

        writeChatTextField.returnKeyType = UIReturnKeyDefault;

        writeChatTextField.secureTextEntry = NO;    

        [self.view addSubview:writeChatTextField];

    }

    writeChatTextField.alpha = 1;

    [self activateOverlay];

    [dimTimer setFireDate:HIDING_TIME_NEVER];

}

-(void) chatDisappear {

    writeChatTextField.alpha = 0;

    [writeChatTextField resignFirstResponder];

    [dimTimer setFireDate:HIDING_TIME_DEFAULT];

}

#pragma mark -

#pragma mark View Management

-(void) viewDidLoad {

    isPopoverVisible = NO;

    singleton = self.spinningWheel;

    canDim = NO;

    self.view.alpha = 0;

    self.view.center = CGPointMake(self.view.frame.size.height/2.0, self.view.frame.size.width/2.0);

    dimTimer = [[NSTimer alloc] initWithFireDate:[NSDate dateWithTimeIntervalSinceNow:6]

                                        interval:1000

                                          target:self

                                        selector:@selector(dimOverlay)

                                        userInfo:nil

                                         repeats:YES];

    // add timer too runloop, otherwise it doesn't work

    [[NSRunLoop currentRunLoop] addTimer:dimTimer forMode:NSDefaultRunLoopMode];

    // listen for dismissal of the popover (see below)

    [[NSNotificationCenter defaultCenter] addObserver:self

                                             selector:@selector(dismissPopover)

                                                 name:@"dismissPopover"

                                               object:nil];

    [[UIDevice currentDevice] beginGeneratingDeviceOrientationNotifications];   

    [[NSNotificationCenter defaultCenter] addObserver:self

                                             selector:@selector(didRotate:)

                                                 name:@"UIDeviceOrientationDidChangeNotification"

                                               object:nil];

    //self.view.transform = CGAffineTransformRotate(self.view.transform, (M_PI/2.0)); 

    [UIView beginAnimations:@"showing overlay" context:NULL];

    [UIView setAnimationDuration:1];

    self.view.alpha = 1;

    [UIView commitAnimations];

}

-(void) viewDidUnload {

    self.writeChatTextField = nil;

    self.popoverController = nil;

    self.popupMenu = nil;

    self.spinningWheel = nil;

    [super viewDidUnload];

    MSG_DIDUNLOAD();

}

-(void) dealloc {

    [dimTimer invalidate];

    [writeChatTextField release];

    [popupMenu release];

    [popoverController release];

    // dimTimer is autoreleased

    [spinningWheel release];

    [super dealloc];

}

#pragma mark -

#pragma mark Overlay actions and members

// dim the overlay when there's no more input for a certain amount of time

-(IBAction) buttonReleased:(id) sender {

    HW_allKeysUp();

    [dimTimer setFireDate:HIDING_TIME_DEFAULT];

}

// nice transition for dimming, should be called only by the timer himself

-(void) dimOverlay {

    if (canDim) {

        [UIView beginAnimations:@"overlay dim" context:NULL];

        [UIView setAnimationDuration:0.6];

        self.view.alpha = 0.2;

        [UIView commitAnimations];

    }

}

// set the overlay visible and put off the timer for enough time

-(void) activateOverlay {

    self.view.alpha = 1;

    [dimTimer setFireDate:HIDING_TIME_NEVER];

}

// issue certain action based on the tag of the button 

-(IBAction) buttonPressed:(id) sender {

    [self activateOverlay];

    if (isPopoverVisible) {

        [self dismissPopover];

    }

    UIButton *theButton = (UIButton *)sender;

    switch (theButton.tag) {

        case 0:

            HW_walkLeft();

            break;

        case 1:

            HW_walkRight();

            break;

        case 2:

            HW_aimUp();

            break;

        case 3:

            HW_aimDown();

            break;

        case 4:

            HW_shoot();

            break;

        case 5:

            HW_jump();

            break;

        case 6:

            HW_backjump();

            break;

        case 7:

            HW_tab();

            break;

        case 10:

            [self showPopover];

            break;

        default:

            NSLog(@"Nope");

            break;

    }

}

// present a further check before closing game

-(void) actionSheet:(UIActionSheet *)actionSheet didDismissWithButtonIndex:(NSInteger) buttonIndex {

    if ([actionSheet cancelButtonIndex] != buttonIndex)

        HW_terminate(NO);

    else

        HW_pause();     

}

// show up a popover containing a popupMenuViewController; we hook it with setPopoverContentSize

// on iphone instead just use the tableViewController directly (and implement manually all animations)

-(IBAction) showPopover{

    isPopoverVisible = YES;

    CGRect anchorForPopover;

    if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {

        if (popupMenu == nil) 

            popupMenu = [[PopoverMenuViewController alloc] initWithStyle:UITableViewStylePlain];

        if (popoverController == nil) {

            popoverController = [[UIPopoverController alloc] initWithContentViewController:popupMenu];

            [popoverController setPopoverContentSize:CGSizeMake(220, 170) animated:YES];

            [popoverController setPassthroughViews:[NSArray arrayWithObject:self.view]];

        }

        if (UIDeviceOrientationIsLandscape([[UIDevice currentDevice] orientation]))

            anchorForPopover = CGRectMake(960, 0, 220, 32);

        else

            anchorForPopover = CGRectMake(736, 0, 220, 32);

        [popoverController presentPopoverFromRect:anchorForPopover

                                           inView:self.view

                         permittedArrowDirections:UIPopoverArrowDirectionUp

                                         animated:YES];

    } else {

        if (popupMenu == nil) {

            popupMenu = [[PopoverMenuViewController alloc] initWithStyle:UITableViewStyleGrouped];

            popupMenu.view.backgroundColor = [UIColor clearColor];

            popupMenu.view.frame = CGRectMake(480, 0, 200, 170);

        }

        [self.view addSubview:popupMenu.view];

        [UIView beginAnimations:@"showing popover" context:NULL];

        [UIView setAnimationDuration:0.35];

        popupMenu.view.frame = CGRectMake(280, 0, 200, 170);

        [UIView commitAnimations];

    }

    popupMenu.tableView.scrollEnabled = NO;

}

// on ipad just dismiss it, on iphone transtion to the right

-(void) dismissPopover {

    if (YES == isPopoverVisible) {

        isPopoverVisible = NO;

        if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {

            [popoverController dismissPopoverAnimated:YES];

        } else {

            [UIView beginAnimations:@"hiding popover" context:NULL];

            [UIView setAnimationDuration:0.35];

            popupMenu.view.frame = CGRectMake(480, 0, 200, 170);

            [UIView commitAnimations];

            [popupMenu.view performSelector:@selector(removeFromSuperview) withObject:nil afterDelay:0.35];

        }

        [self buttonReleased:nil];

    }

}

-(void) textFieldDoneEditing:(id) sender{

    [sender resignFirstResponder];

}

// this function is called by pascal FinishProgress and removes the spinning wheel when loading is done

void spinningWheelDone (void) {

    [UIView beginAnimations:@"hiding spinning wheel" context:NULL];

    [UIView setAnimationDuration:0.7];

    singleton.alpha = 0;

    [UIView commitAnimations];

    [singleton performSelector:@selector(stopAnimating) withObject:nil afterDelay:0.7];

    canDim = YES;

}

#pragma mark -

#pragma mark Custom touch event handling

-(void) touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event {

    NSArray *twoTouches;

    UITouch *touch = [touches anyObject];

    if (isPopoverVisible) {

        [self dismissPopover];

    }

    if (writeChatTextField) {

        [self.writeChatTextField resignFirstResponder];

        [dimTimer setFireDate:HIDING_TIME_DEFAULT];

    }

    gestureStartPoint = [touch locationInView:self.view];

    switch ([touches count]) {

        /*case 1:

            initialDistanceForPinching = 0;

            switch ([touch tapCount]) {

                case 1:

                    NSLog(@"X:%d Y:%d", (int)gestureStartPoint.x, (int)gestureStartPoint.y );

                    //SDL_WarpMouseInWindow([SDLUIKitDelegate sharedAppDelegate].window, 

                    //            (int)gestureStartPoint.y, width - (int)gestureStartPoint.x);

                    //HW_click();

                    break;

                case 2:

                    HW_ammoMenu();

                    break;

                default:

                    break;

            }

            break;*/

        case 2:

            if (2 == [touch tapCount]) {

                HW_zoomReset();

            }

            // pinching

            gestureStartPoint = CGPointMake(0, 0);

            twoTouches = [touches allObjects];

            UITouch *first = [twoTouches objectAtIndex:0];

            UITouch *second = [twoTouches objectAtIndex:1];

            initialDistanceForPinching = distanceBetweenPoints([first locationInView:self.view], [second locationInView:self.view]);

            break;

        default:

            break;

    }

}

-(void) touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event {

    gestureStartPoint = CGPointMake(0, 0);

    initialDistanceForPinching = 0;

    //HW_allKeysUp();

}

-(void) touchesCancelled:(NSSet *)touches withEvent:(UIEvent *)event {

    // this can happen if the user puts more than 5 touches on the screen at once, or perhaps in other circumstances

    [self touchesEnded:touches withEvent:event];

}

-(void) touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event {

    CGFloat minimumGestureLength;

    int logCoeff;

    if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {

        minimumGestureLength = 5.0f;

        logCoeff = 19;

    } else {

        minimumGestureLength = 3.0f;

        logCoeff = 3;

    }

    NSArray *twoTouches;

    CGPoint currentPosition;

    UITouch *touch = [touches anyObject];

    switch ([touches count]) {

        /*case 1:

            currentPosition = [touch locationInView:self.view];

            // panning

            CGFloat deltaX = fabsf(gestureStartPoint.x - currentPosition.x);

            CGFloat deltaY = fabsf(gestureStartPoint.y - currentPosition.y);

            // the two ifs are not mutually exclusive

            if (deltaX >= minimumGestureLength) {

                DLog(@"deltaX: %f deltaY: %f", deltaX, deltaY);

                if (currentPosition.x > gestureStartPoint.x) {

                    HW_cursorLeft(logCoeff*log(deltaX));

                } else {

                    HW_cursorRight(logCoeff*log(deltaX));

                }

            } 

            if (deltaY >= minimumGestureLength) {

                DLog(@"deltaX: %f deltaY: %f", deltaX, deltaY);

                if (currentPosition.y < gestureStartPoint.y) {

                    HW_cursorDown(logCoeff*log(deltaY));

                } else {

                    HW_cursorUp(logCoeff*log(deltaY));

                }            

            }

            break;*/

        case 2:

            twoTouches = [touches allObjects];

            UITouch *first = [twoTouches objectAtIndex:0];

            UITouch *second = [twoTouches objectAtIndex:1];

            CGFloat currentDistanceOfPinching = distanceBetweenPoints([first locationInView:self.view], [second locationInView:self.view]);

            const int pinchDelta = 40;

            if (0 != initialDistanceForPinching) {

                if (currentDistanceOfPinching - initialDistanceForPinching > pinchDelta) {

                    HW_zoomIn();

                    initialDistanceForPinching = currentDistanceOfPinching;

                }

                else if (initialDistanceForPinching - currentDistanceOfPinching > pinchDelta) {

                    HW_zoomOut();

                    initialDistanceForPinching = currentDistanceOfPinching;

                }

            } else 

                initialDistanceForPinching = currentDistanceOfPinching;

            break;

        default:

            break;

    }

}

@end