/*

 * Hedgewars-iOS, a Hedgewars port for iOS devices

 * Copyright (c) 2009-2011 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 25/03/2010.

 */

#import "InGameMenuViewController.h"

#import "PascalImports.h"

#import "CommodityFunctions.h"

#import "SDL_sysvideo.h"

#import "SDL_uikitkeyboard.h"

#import "OpenGLES/ES1/gl.h"

#define VIEW_HEIGHT 200

@implementation InGameMenuViewController

@synthesize menuList;

-(BOOL) shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation) interfaceOrientation {

    return rotationManager(interfaceOrientation);

}

-(void) didReceiveMemoryWarning {

    self.menuList = nil;

    [super didReceiveMemoryWarning];

}

-(void) viewDidLoad {

    NSArray *array = [[NSArray alloc] initWithObjects:

                      NSLocalizedString(@"Show Help", @""),

                      NSLocalizedString(@"Tag", @""),

                      NSLocalizedString(@"Snapshot",@""),

                      NSLocalizedString(@"End Game", @""),

                      nil];

    self.menuList = array;

    [array release];

    [super viewDidLoad];

}

-(void) viewDidUnload {

    self.menuList = nil;

    MSG_DIDUNLOAD();

    [super viewDidUnload];

}

-(void) dealloc {

    releaseAndNil(menuList);

    [super dealloc];

}

#pragma mark -

#pragma mark animating

-(void) present {

    CGRect screen = [[UIScreen mainScreen] bounds];

    self.view.backgroundColor = [UIColor clearColor];

    self.view.frame = CGRectMake(screen.size.height, 0, 200, VIEW_HEIGHT);

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

    [UIView setAnimationDuration:0.35];

    self.view.frame = CGRectMake(screen.size.height-200, 0, 200, VIEW_HEIGHT);

    [UIView commitAnimations];

}

-(void) dismiss {

    if (IS_IPAD() == NO) {

        CGRect screen = [[UIScreen mainScreen] bounds];

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

        [UIView setAnimationDuration:0.35];

        self.view.frame = CGRectMake(screen.size.height, 0, 200, VIEW_HEIGHT);

        [UIView commitAnimations];

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

    }

    SDL_iPhoneKeyboardHide((SDL_Window *)HW_getSDLWindow());

    if (shouldTakeScreenshot) {

        UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Please wait"

                                                        message:nil

                                                       delegate:nil

                                              cancelButtonTitle:nil

                                              otherButtonTitles:nil];

        [alert show];

        UIActivityIndicatorView *indicator = [[UIActivityIndicatorView alloc]

                                              initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge];

        indicator.center = CGPointMake(alert.bounds.size.width / 2, alert.bounds.size.height - 45);

        [indicator startAnimating];

        [alert addSubview:indicator];

        [indicator release];

        // all these hacks because of the PAUSE caption on top of everything...

        [self performSelector:@selector(saveCurrentScreenToPhotoAlbum:) withObject:alert afterDelay:0.3];

    }

    shouldTakeScreenshot = NO;

}

#pragma mark -

#pragma mark tableView methods

-(NSInteger) numberOfSectionsInTableView:(UITableView *)tableView {

    return 1;

}

-(NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {

    return 4;

}

-(UITableViewCell *)tableView:(UITableView *)aTableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {

    static NSString *cellIdentifier = @"CellIdentifier";

    UITableViewCell *cell = [aTableView dequeueReusableCellWithIdentifier:cellIdentifier];

    if (nil == cell) {

        cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault

                                       reuseIdentifier:cellIdentifier] autorelease];

    }

    cell.textLabel.text = [self.menuList objectAtIndex:[indexPath row]];

    if (IS_IPAD())

        cell.textLabel.textAlignment = UITextAlignmentCenter;

    return cell;

}

-(void) tableView:(UITableView *)aTableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {

    UIActionSheet *actionSheet;

    UIAlertView *alert;

    switch ([indexPath row]) {

        case 0:

            [[NSNotificationCenter defaultCenter] postNotificationName:@"show help ingame" object:nil];

            break;

        case 1:

            HW_chat();

            SDL_iPhoneKeyboardShow((SDL_Window *)HW_getSDLWindow());

            break;

        case 2:

            alert = [[UIAlertView alloc] initWithTitle:NSLocalizedString(@"Going to take a screenshot",@"")

                                               message:NSLocalizedString(@"The game snapshot will be placed in your Photo Album and it will be taken as soon as the pause menu is dismissed",@"")

                                              delegate:nil

                                     cancelButtonTitle:NSLocalizedString(@"Ok, got it",@"")

                                     otherButtonTitles:nil];

            [alert show];

            [alert release];

            shouldTakeScreenshot = YES;

            break;

        case 3:

            actionSheet = [[UIActionSheet alloc] initWithTitle:NSLocalizedString(@"Are you reeeeeally sure?", @"")

                                                      delegate:self

                                             cancelButtonTitle:NSLocalizedString(@"Well, maybe not...", @"")

                                        destructiveButtonTitle:NSLocalizedString(@"Of course!", @"")

                                             otherButtonTitles:nil];

            [actionSheet showInView:(IS_IPAD() ? self.view : UIVIEW_HW_SDLVIEW)];

            [actionSheet release];

            break;

        default:

            DLog(@"Warning: unset case value in section!");

            break;

    }

    [aTableView deselectRowAtIndexPath:indexPath animated:YES];

}

#pragma mark -

#pragma mark actionSheet methods

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

    if ([actionSheet cancelButtonIndex] != buttonIndex) {

        SDL_iPhoneKeyboardHide((SDL_Window *)HW_getSDLWindow());

        HW_terminate(NO);

    }

}

//TODO: check this is still needed since we switched to SDL_GL_CreateContext()

#pragma mark -

#pragma mark save screenshot

//by http://www.bit-101.com/blog/?p=1861

// callback for CGDataProviderCreateWithData

void releaseData(void *info, const void *data, size_t dataSize) {

    DLog(@"freeing raw data\n");

    free((void *)data);

}

// callback for UIImageWriteToSavedPhotosAlbum

-(void) image:(UIImage *)image didFinishSavingWithError:(NSError *)error contextInfo:(void *)contextInfo {

    DLog(@"Save finished\n");

    [image release];

    UIAlertView *alert = (UIAlertView *)contextInfo;

    [alert dismissWithClickedButtonIndex:0 animated:YES];

    [alert release];

}

// the resolution of the buffer is always equal to the hardware device even if scaled

-(void) saveCurrentScreenToPhotoAlbum:(UIAlertView *)alert {

    CGRect screenRect = [[UIScreen mainScreen] bounds];

    int width = screenRect.size.width;

    int height = screenRect.size.height;

    NSInteger size = width * height * 4;

    GLubyte *buffer = (GLubyte *) malloc(size * sizeof(GLubyte));

    GLubyte *buffer_flipped = (GLubyte *) malloc(size * sizeof(GLubyte));

    glReadPixels(0, 0, width, height, GL_RGBA, GL_UNSIGNED_BYTE, buffer);

    HW_screenshot();

    // flip the data as glReadPixels here reads upside down

    for(int y = 0; y <height; y++)

        for(int x = 0; x <width * 4; x++)

            buffer_flipped[(int)((height - 1 - y) * width * 4 + x)] = buffer[(int)(y * 4 * width + x)];

    free(buffer);

    CGDataProviderRef provider = CGDataProviderCreateWithData(NULL, buffer_flipped, size, releaseData);

    CGColorSpaceRef colorSpaceRef = CGColorSpaceCreateDeviceRGB();

    CGBitmapInfo bitmapInfo = kCGBitmapByteOrderDefault;

    CGColorRenderingIntent renderingIntent = kCGRenderingIntentDefault;

    CGImageRef imageRef = CGImageCreate(width, height, 8, 32, 4 * width, colorSpaceRef, bitmapInfo, provider, NULL, NO, renderingIntent);

    CGColorSpaceRelease(colorSpaceRef);

    CGDataProviderRelease(provider);

    UIImage *image;

    if ([UIImage respondsToSelector:@selector(imageWithCGImage:scale:orientation:)])

        image = [[UIImage alloc] initWithCGImage:imageRef scale:1 orientation:UIImageOrientationRight];

    else

        image = [[UIImage alloc] initWithCGImage:imageRef];

    CGImageRelease(imageRef);

    // add callback for cleaning memory and removing alert

    UIImageWriteToSavedPhotosAlbum(image, self, @selector(image:didFinishSavingWithError:contextInfo:), (void *)alert);

}

@end