/*

 * Hedgewars-iOS, a Hedgewars port for iOS devices

 * Copyright (c) 2009-2010 Vittorio Giovara <vittorio.giovara@gmail.com>

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; version 2 of the License

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

 *

 * File created on 16/03/2010.

 */

#import "OverlayViewController.h"

#import "SDL_uikitappdelegate.h"

#import "InGameMenuViewController.h"

#import "HelpPageViewController.h"

#import "AmmoMenuViewController.h"

#import "PascalImports.h"

#import "CommodityFunctions.h"

#import "CGPointUtils.h"

#import "SDL_config_iphoneos.h"

#import "SDL_mouse.h"

#define HIDING_TIME_DEFAULT [NSDate dateWithTimeIntervalSinceNow:2.7]

#define HIDING_TIME_NEVER   [NSDate dateWithTimeIntervalSinceNow:10000]

#define doDim()             [dimTimer setFireDate: ([[UIScreen screens] count] == 1) ? HIDING_TIME_DEFAULT : HIDING_TIME_NEVER]

#define doNotDim()          [dimTimer setFireDate:HIDING_TIME_NEVER]

#define CONFIRMATION_TAG 5959

#define GRENADE_TAG 9595

#define REPLAYBLACKVIEW_TAG 9955

#define ACTIVITYINDICATOR_TAG 987654

#define ANIMATION_DURATION 0.25

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

@implementation OverlayViewController

-(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:

            if ([[UIScreen screens] count] == 1)

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

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

            HW_setLandscape(YES);

            break;

        case UIDeviceOrientationLandscapeRight:

            if ([[UIScreen screens] count] == 1)

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

            self.view.transform = CGAffineTransformMakeRotation(degreesToRadians(-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:

            // a debug log would spam too much

            break;

    }

    self.view.frame = usefulRect;

    //sdlView.frame = usefulRect;

    [UIView commitAnimations];

}

#pragma mark -

#pragma mark View Management

-(void) viewDidLoad {

    isGameRunning = NO;

    isReplay = NO;

    cachedGrenadeTime = 2;

    isAttacking = NO;

    // i called it a popover even on the iphone

    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 wrt the controller orientation

    UIDeviceOrientation orientation = self.interfaceOrientation;

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

    switch (orientation) {

        case UIDeviceOrientationLandscapeLeft:

            if ([[UIScreen screens] count] == 1)

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

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

            break;

        case UIDeviceOrientationLandscapeRight:

            if ([[UIScreen screens] count] == 1)

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

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

            break;

        default:

            DLog(@"unknown orientation");

            break;

    }

    CGRect screenRect = [[UIScreen mainScreen] bounds];

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

    dimTimer = [[NSTimer alloc] initWithFireDate:([[UIScreen screens] count] == 1) ? [NSDate dateWithTimeIntervalSinceNow:6] : HIDING_TIME_NEVER

                                        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];

    [[NSNotificationCenter defaultCenter] addObserver:self

                                             selector:@selector(showHelp:)

                                                 name:@"show help ingame"

                                               object:nil];

    [[NSNotificationCenter defaultCenter] addObserver:self

                                             selector:@selector(cleanup)

                                                 name:@"remove overlay"

                                               object:nil];

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

    [UIView setAnimationDuration:1];

    self.view.alpha = 1;

    [UIView commitAnimations];

}

-(void) showHelp:(id) sender {

    if (self.helpPage == nil)

        self.helpPage = [[HelpPageViewController alloc] initWithNibName:@"HelpPageInGameViewController" bundle:nil];

    self.helpPage.view.alpha = 0;

    [self.view addSubview:helpPage.view];

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

    self.helpPage.view.alpha = 1;

    [UIView commitAnimations];

    doNotDim();

}

-(void) didReceiveMemoryWarning {

    [super didReceiveMemoryWarning];

    if (self.popupMenu.view.superview == nil)

        self.popupMenu = nil;

    if (self.helpPage.view.superview == nil)

        self.helpPage = nil;

    if (((UIPopoverController *)self.popoverController).contentViewController.view.superview == nil)

        self.popoverController = nil;

    if (self.amvc.view.superview == nil)

        self.amvc = nil;

    MSG_MEMCLEAN();

}

-(void) viewDidUnload {

    // only objects initialized in viewDidLoad should be here

    [[NSNotificationCenter defaultCenter] removeObserver:self];

    dimTimer = nil;

    self.helpPage = nil;

    [self dismissPopover];

    self.popoverController = nil;

    self.amvc = nil;

    MSG_DIDUNLOAD();

    [super viewDidUnload];

}

-(void) dealloc {

    [popupMenu release];

    [helpPage release];

    [popoverController release];

    [amvc release];

    // dimTimer is autoreleased

    [super dealloc];

}

-(void) cleanup {

    [self dismissPopover];

    HW_terminate(NO);

    [self.view removeFromSuperview];

}

#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 == NO)

        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;

    }

    isAttacking = NO;

    doDim();

}

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

-(IBAction) buttonPressed:(id) sender {

    [self activateOverlay];

    if (isGameRunning == NO)

        return;

    if (isPopoverVisible)

        [self dismissPopover];

    UIButton *theButton = (UIButton *)sender;

    switch (theButton.tag) {

        case 0:

            if (isAttacking == NO)

                HW_walkLeft();

            break;

        case 1:

            if (isAttacking == NO)

                HW_walkRight();

            break;

        case 2:

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

            HW_preciseSet(!HW_isWeaponRope());

            HW_aimUp();

            break;

        case 3:

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

            HW_preciseSet(!HW_isWeaponRope());

            HW_aimDown();

            break;

        case 4:

            HW_shoot();

            isAttacking = YES;

            break;

        case 5:

            HW_jump();

            break;

        case 6:

            HW_backjump();

            break;

        case 10:

            playSound(@"clickSound");

            HW_pause();

                doDim();

            }

            removeConfirmationInput();

            [self showPopover];

            break;

        case 11:

            playSound(@"clickSound");

            removeConfirmationInput();

            }

            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)

        [self cleanup];

    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{

    CGRect screen = [[UIScreen mainScreen] bounds];

    isPopoverVisible = YES;

    if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {

        if (self.popupMenu == nil)

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

        if (self.popoverController == nil) {

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

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

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

        }

        [self.popoverController presentPopoverFromRect:CGRectMake(screen.size.height / 2, screen.size.width / 2, 1, 1)

                                           inView:self.view

                         permittedArrowDirections:UIPopoverArrowDirectionAny

                                         animated:YES];

    } else {

        if (self.popupMenu == nil)

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

        [self.view addSubview:popupMenu.view];

        [self.popupMenu present];

    }

    self.popupMenu.tableView.scrollEnabled = NO;

}

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

-(void) dismissPopover {

    if (YES == isPopoverVisible) {

        isPopoverVisible = NO;

        if (HW_isPaused())

            HW_pause();

        if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {

            [(InGameMenuViewController *)[[self popoverController] contentViewController] removeChat];

            [self.popoverController dismissPopoverAnimated:YES];

        } else {

            [self.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;

    if (isGameRunning == NO)

        return;

    // hide in-game menu

    if (isPopoverVisible)

        [self dismissPopover];

    if (amvc.isVisible) {

        doDim();

        [self.amvc disappear];

    }

    // reset default dimming

    doDim();

    HW_setPianoSound([allTouches count]);

    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];

    if (isGameRunning == NO)

        return;

    switch ([allTouches count]) {

        case 1:

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

            if (HW_isAmmoOpen()) {

                HW_setCursor(HWXZ(currentPosition.x), HWYZ(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 - 75, currentPosition.y + 25, 150, 40);

                    tapAgain.tag = CONFIRMATION_TAG;

                    tapAgain.alpha = 0;

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

                    [tapAgain setTitle:NSLocalizedString(@"Tap to set!",@"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();