/*

 * 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 30/10/2010.

 */

#import "ObjcExports.h"

#import "AmmoMenuViewController.h"

#import "AudioToolbox/AudioToolbox.h"

#pragma mark -

#pragma mark internal variables

// actual game started (controls should be enabled)

BOOL gameRunning;

// black screen present

BOOL savedGame;

// cache the grenade time

NSInteger grenadeTime;

// the reference to the newMenu instance

AmmoMenuViewController *amvc_instance;

// the audiosession must be initialized before using properties

BOOL gAudioSessionInited = NO;

#pragma mark -

#pragma mark functions called like oop

void objcExportsInit() {

    gameRunning = NO;

    savedGame = NO;

    grenadeTime = 2;

}

BOOL inline isGameRunning() {

    return gameRunning;

}

void inline setGameRunning(BOOL value) {

    gameRunning = value;

}

NSInteger cachedGrenadeTime() {

    return grenadeTime;

}

void inline setGrenadeTime(NSInteger value) {

    grenadeTime = value;

}

void inline setAmmoMenuInstance(AmmoMenuViewController *instance) {

    amvc_instance = instance;

}

#pragma mark -

#pragma mark functions called by pascal code

void startSpinning() {

    gameRunning = NO;

    UIWindow *theWindow = [[UIApplication sharedApplication] keyWindow];

    UIActivityIndicatorView *indicator = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge];

    indicator.tag = ACTIVITYINDICATOR_TAG;

    int offset;

    if ([[UIDevice currentDevice] orientation] == UIDeviceOrientationLandscapeLeft)

        offset = -120;

    else

        offset = 120;

    if (IS_DUALHEAD())

        indicator.center = CGPointMake(theWindow.frame.size.width/2, theWindow.frame.size.height/2 + offset);

    else

        indicator.center = CGPointMake(theWindow.frame.size.width/2 + offset, theWindow.frame.size.height/2);

    indicator.hidesWhenStopped = YES;

    [indicator startAnimating];

    [theWindow addSubview:indicator];

    [indicator release];

}

void stopSpinning() {

    UIWindow *theWindow = [[UIApplication sharedApplication] keyWindow];

    UIActivityIndicatorView *indicator = (UIActivityIndicatorView *)[theWindow viewWithTag:ACTIVITYINDICATOR_TAG];

    [indicator stopAnimating];

    HW_zoomSet(1.7);

    if (savedGame == NO)

        gameRunning = YES;

}

void clearView() {

    UIWindow *theWindow = (IS_DUALHEAD()) ? [SDLUIKitDelegate sharedAppDelegate].uiwindow : [[UIApplication sharedApplication] keyWindow];

    UIButton *theButton = (UIButton *)[theWindow viewWithTag:CONFIRMATION_TAG];

    UISegmentedControl *theSegment = (UISegmentedControl *)[theWindow viewWithTag:GRENADE_TAG];

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

    [UIView setAnimationDuration:ANIMATION_DURATION];

    theButton.alpha = 0;

    theSegment.alpha = 0;

    [UIView commitAnimations];

    if (theButton)

        [theWindow performSelector:@selector(removeFromSuperview) withObject:theButton afterDelay:ANIMATION_DURATION];

    if (theSegment)

        [theWindow performSelector:@selector(removeFromSuperview) withObject:theSegment afterDelay:ANIMATION_DURATION];

    grenadeTime = 2;

}

void replayBegan() {

    UIWindow *theWindow = [[UIApplication sharedApplication] keyWindow];

    UIView *blackView = [[UIView alloc] initWithFrame:theWindow.frame];

    blackView.backgroundColor = [UIColor blackColor];

    blackView.alpha = 0.6;

    blackView.tag = REPLAYBLACKVIEW_TAG;

    blackView.exclusiveTouch = NO;

    blackView.multipleTouchEnabled = NO;

    blackView.userInteractionEnabled = NO;

    UIActivityIndicatorView *indicator = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge];

    indicator.center = theWindow.center;

    [indicator startAnimating];

    [blackView addSubview:indicator];

    [indicator release];

    [theWindow addSubview:blackView];

    [blackView release];

    savedGame = YES;

    stopSpinning();

}

void replayFinished() {

    UIWindow *theWindow = [[UIApplication sharedApplication] keyWindow];

    UIView *blackView = (UIView *)[theWindow viewWithTag:REPLAYBLACKVIEW_TAG];

    [UIView beginAnimations:@"removing black" context:NULL];

    [UIView setAnimationDuration:1];

    blackView.alpha = 0;

    [UIView commitAnimations];

    [theWindow performSelector:@selector(removeFromSuperview) withObject:blackView afterDelay:1];

    gameRunning = YES;

    savedGame = NO;

}

void updateVisualsNewTurn(void) {

    DLog(@"updating visuals");

    [amvc_instance updateAmmoVisuals];

}

// http://stackoverflow.com/questions/287543/how-to-programatically-sense-the-iphone-mute-switch

BOOL isAppleDeviceMuted(void) {

    if (!gAudioSessionInited) {

        AudioSessionInterruptionListener inInterruptionListener = NULL;

        OSStatus error;

        if ((error = AudioSessionInitialize (NULL, NULL, inInterruptionListener, NULL)))

            DLog(@"*** Error *** error in AudioSessionInitialize: %d", error);

        else

            gAudioSessionInited = YES;

    }

    UInt32 propertySize = sizeof(CFStringRef);

    // this checks if there is volume

    Float32 volume;

    OSStatus n = AudioSessionGetProperty(kAudioSessionProperty_CurrentHardwareOutputVolume, &propertySize, &volume);

    if (n != 0)

        DLog( @"AudioSessionGetProperty: %d", n );

    BOOL volumeResult = (volume == 0.0);

    // this checks if the device is muted

    CFStringRef state;

    n = AudioSessionGetProperty(kAudioSessionProperty_AudioRoute, &propertySize, &state);

    if (n != 0)

        DLog( @"AudioSessionGetProperty: %d", n );

    NSString *result = (NSString *)state;

    BOOL muteResult = ([result length] == 0);

    releaseAndNil(result);

    return volumeResult || muteResult;

}