//

//  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 "InGameMenuViewController.h"

#import "CommodityFunctions.h"

#import "SDL_config_iphoneos.h"

#define HIDING_TIME_DEFAULT [NSDate dateWithTimeIntervalSinceNow:2.7]

#define HIDING_TIME_NEVER   [NSDate dateWithTimeIntervalSinceNow:10000]

#define doDim()             [dimTimer setFireDate:HIDING_TIME_DEFAULT]

#define doNotDim()          [dimTimer setFireDate:HIDING_TIME_NEVER]

#define CONFIRMATION_TAG 5959

#define GRENADE_TAG 9595

#define ANIMATION_DURATION 0.25

#define removeConfirmationInput()   [[self.view viewWithTag:CONFIRMATION_TAG] removeFromSuperview]; 

@implementation OverlayViewController

@synthesize popoverController, popupMenu;

-(BOOL) shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation) interfaceOrientation {

    return rotationManager(interfaceOrientation);

}

-(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:SDL_VIEW_TAG];

    [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));

            HW_setLandscape(YES);

            break;

        case UIDeviceOrientationLandscapeRight:

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

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

            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];

}

#pragma mark -

#pragma mark View Management

-(void) viewDidLoad {

    isPopoverVisible = NO;

    self.view.alpha = 0;

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

    // set initial orientation

    UIDeviceOrientation orientation = [[UIDevice currentDevice] orientation];

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

    switch (orientation) {

        case UIDeviceOrientationLandscapeLeft:

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

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

            break;

        case UIDeviceOrientationLandscapeRight:

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

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

            break;

    }

    CGRect rect = [[UIScreen mainScreen] bounds];

    self.view.frame = CGRectMake(0, 0, rect.size.width, rect.size.height);

    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];

    [[UIDevice currentDevice] beginGeneratingDeviceOrientationNotifications];   

    [[NSNotificationCenter defaultCenter] addObserver:self

                                             selector:@selector(didRotate:)

                                                 name:UIDeviceOrientationDidChangeNotification

                                               object:nil];

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

    [UIView setAnimationDuration:1];

    self.view.alpha = 1;

    [UIView commitAnimations];

    // find the sdl window we're on

    SDL_VideoDevice *_this = SDL_GetVideoDevice();

    SDL_VideoDisplay *display = &_this->displays[0];

    sdlwindow = display->windows;

}

-(void) viewDidUnload {

    // only object initialized in viewDidLoad should be here

    dimTimer = nil;

    MSG_DIDUNLOAD();

    [super viewDidUnload];

}

-(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;

    MSG_MEMCLEAN();

}

-(void) dealloc {

    [popupMenu release];

    [popoverController release];

    // dimTimer is autoreleased

    [super dealloc];

}

#pragma mark -

#pragma mark Overlay actions and members

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

-(void) dimOverlay {

    if (isGameRunning) {

        [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;

    doNotDim();

}

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

-(IBAction) buttonReleased:(id) sender {

    if (!isGameRunning)

        return;

    UIButton *theButton = (UIButton *)sender;

    switch (theButton.tag) {

        case 0:

        case 1:

        case 2:

        case 3:

            [NSObject cancelPreviousPerformRequestsWithTarget:self

                                                     selector:@selector(unsetPreciseStatus)

                                                       object:nil];

            HW_walkingKeysUp();

            break;

        case 4:

        case 5:

        case 6:

            HW_otherKeysUp();

            break;

        default:

            DLog(@"Nope");

            break;

    }

    doDim();

}

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

-(IBAction) buttonPressed:(id) sender {

    [self activateOverlay];

    if (isPopoverVisible) {

        [self dismissPopover];

    }

    if (!isGameRunning)

        return;

    UIButton *theButton = (UIButton *)sender;

    switch (theButton.tag) {

        case 0:

            HW_walkLeft();

            break;

        case 1:

            HW_walkRight();

            break;

        case 2:

            [self performSelector:@selector(unsetPreciseStatus) withObject:nil afterDelay:0.8];

            HW_preciseSet(YES);

            HW_aimUp();

            break;

        case 3:

            [self performSelector:@selector(unsetPreciseStatus) withObject:nil afterDelay:0.8];

            HW_preciseSet(YES);

            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:

            removeConfirmationInput();

            [self showPopover];

            break;

        case 11:

            removeConfirmationInput();

            HW_ammoMenu();

            break;

        default:

            DLog(@"Nope");

            break;

    }

}

-(void) unsetPreciseStatus {

    HW_preciseSet(NO);

}

// 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;

    if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {

        if (popupMenu == nil) 

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

        if (popoverController == nil) {

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

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

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

        }

                                           inView:self.view

                                         animated:YES];

    } else {

        if (popupMenu == nil)

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

        [self.view addSubview:popupMenu.view];

        [popupMenu present];

    }

    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) {

            [(InGameMenuViewController *)popoverController.contentViewController removeChat];

            [popoverController dismissPopoverAnimated:YES];

        } else {

            [popupMenu dismiss];

        }

        [self buttonReleased:nil];

    }

}

#pragma mark -

#pragma mark Custom touch event handling

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

    NSSet *allTouches = [event allTouches];

    UITouch *first, *second;

    // hide in-game menu

    if (isPopoverVisible)

        [self dismissPopover];

    // reset default dimming

    doDim();

    switch ([allTouches count]) {

        case 1:       

            removeConfirmationInput();

            startingPoint = [[[allTouches allObjects] objectAtIndex:0] locationInView:self.view];

            if (2 == [[[allTouches allObjects] objectAtIndex:0] tapCount])

                HW_zoomReset();

            break;

        case 2:                

            // pinching

            first = [[allTouches allObjects] objectAtIndex:0];

            second = [[allTouches allObjects] objectAtIndex:1];

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

            break;

        default:

            break;

    }

}

    //if (currentPosition.y < screen.size.width - 130 || (currentPosition.x > 130 && currentPosition.x < screen.size.height - 130)) {

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

    CGRect screen = [[UIScreen mainScreen] bounds];

    NSSet *allTouches = [event allTouches];

    CGPoint currentPosition = [[[allTouches allObjects] objectAtIndex:0] locationInView:self.view];

    switch ([allTouches count]) {

        case 1:

            // if we're in the menu we just click in the point

            if (HW_isAmmoOpen()) {

                HW_setCursor(HWX(currentPosition.x), HWY(currentPosition.y));

                // this click doesn't need any wrapping because the ammoMenu already limits the cursor

                HW_click();

            } else 

                // if weapon requires a further click, ask for tapping again

                if (HW_isWeaponRequiringClick()) {

                    // here don't have to wrap thanks to isCursorVisible magic

                    HW_setCursor(HWX(currentPosition.x), HWY(currentPosition.y));

                    // draw the button at the last touched point (which is the current position)

                    UIButton *tapAgain = [UIButton buttonWithType:UIButtonTypeRoundedRect];

                    tapAgain.frame = CGRectMake(currentPosition.x - 90, currentPosition.y + 15, 180, 30);

                    tapAgain.tag = CONFIRMATION_TAG;

                    tapAgain.alpha = 0;

                    [tapAgain addTarget:self action:@selector(sendHWClick) forControlEvents:UIControlEventTouchUpInside];

                    [tapAgain setTitle:NSLocalizedString(@"Tap again to confirm",@"from the overlay") forState:UIControlStateNormal];

                    [self.view addSubview:tapAgain];

                    // animation ftw!

                    [UIView beginAnimations:@"inserting button" context:NULL]; 

                    [UIView setAnimationDuration:ANIMATION_DURATION];

                    [self.view viewWithTag:CONFIRMATION_TAG].alpha = 1;

                    [UIView commitAnimations];

                    // keep the overlay active, or the button will fade

                    [self activateOverlay];

                    doNotDim();

                } else

                    if (HW_isWeaponTimerable()) {

                        if (isSegmentVisible) {

                            UISegmentedControl *grenadeTime = (UISegmentedControl *)[self.view viewWithTag:GRENADE_TAG];

                            [UIView beginAnimations:@"removing segmented control" context:NULL];

                            [UIView setAnimationDuration:ANIMATION_DURATION];

                            [UIView setAnimationCurve:UIViewAnimationCurveEaseIn];

                            grenadeTime.frame = CGRectMake(screen.size.height / 2 - 125, screen.size.width, 250, 50);

                            [UIView commitAnimations];

                            [grenadeTime performSelector:@selector(removeFromSuperview) withObject:nil afterDelay:ANIMATION_DURATION];

                        } else {

                            NSArray *items = [[NSArray alloc] initWithObjects:@"1",@"2",@"3",@"4",@"5",nil];

                            UISegmentedControl *grenadeTime = [[UISegmentedControl alloc] initWithItems:items];

                            [items release];

                            [grenadeTime addTarget:self action:@selector(setGrenadeTime:) forControlEvents:UIControlEventValueChanged];

                            grenadeTime.frame = CGRectMake(screen.size.height / 2 - 125, screen.size.width, 250, 50);

                            grenadeTime.selectedSegmentIndex = 2;

                            grenadeTime.tag = GRENADE_TAG;

                            [self.view addSubview:grenadeTime];

                            [grenadeTime release];

                            [UIView beginAnimations:@"inserting segmented control" context:NULL];

                            [UIView setAnimationDuration:ANIMATION_DURATION];

                            [UIView setAnimationCurve:UIViewAnimationCurveEaseIn];

                            grenadeTime.frame = CGRectMake(screen.size.height / 2 - 125, screen.size.width - 100, 250, 50);

                            [UIView commitAnimations];

                            [self activateOverlay];

                            doNotDim();

                        } 

                        isSegmentVisible = !isSegmentVisible;

                    } else

                        if (HW_isWeaponSwitch())

                            HW_tab();

            break;

        case 2:

            HW_allKeysUp();

            break;

        default:

            DLog(@"too many touches");

            break;

    }

    initialDistanceForPinching = 0;

}

-(void) sendHWClick {

    HW_click();

    removeConfirmationInput();

    doDim();

}

-(void) setGrenadeTime:(id) sender {

    UISegmentedControl *theSegment = (UISegmentedControl *)sender;

    HW_setGrenadeTime(theSegment.selectedSegmentIndex + 1);

}

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

    [self touchesEnded:touches withEvent:event];

}

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

    CGRect screen = [[UIScreen mainScreen] bounds];

    NSSet *allTouches = [event allTouches];

    int x, y, dx, dy;

    UITouch *touch, *first, *second;

    switch ([allTouches count]) {

        case 1:

            touch = [[allTouches allObjects] objectAtIndex:0];

            CGPoint currentPosition = [touch locationInView:self.view];

            if (HW_isAmmoOpen() || HW_isWeaponRequiringClick()) {

                // moves the cursor around

                HW_setCursor(HWX(currentPosition.x), HWY(currentPosition.y));

            } else {

                // panning \o/

                dx = startingPoint.x - currentPosition.x;

                dy = currentPosition.y - startingPoint.y;

                HW_getCursor(&x, &y);

                // momentum (or something like that)

                if (abs(dx) > 40) dx *= log(abs(dx)/4);

                if (abs(dy) > 40) dy *= log(abs(dy)/4);

                HW_setCursor(x + dx, y + dy);

                startingPoint = currentPosition;

            }

            break;

        case 2:

            first = [[allTouches allObjects] objectAtIndex:0];

            second = [[allTouches allObjects] 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;

                }