/*

 * 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 03/10/2010.

 */

#import "AmmoMenuViewController.h"

#import <QuartzCore/QuartzCore.h>

#import "CommodityFunctions.h"

#import "UIImageExtra.h"

#import "PascalImports.h"

#define BTNS_PER_ROW         9

#define DEFAULT_DESCRIPTION  IS_IPAD() ? \

                             NSLocalizedString(@"Hold your finger on a weapon to see what it does.\nYou can move this window anywhere on the screen.",@"") : \

                             NSLocalizedString(@"Hold your finger on a weapon to see what it does.\nTap anywhere to dismiss.",@"")

@implementation AmmoMenuViewController

@synthesize imagesArray, buttonsArray, nameLabel, extraLabel, captionLabel, isVisible;

-(BOOL) shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation) interfaceOrientation {

    return rotationManager(interfaceOrientation);

}

#pragma mark -

#pragma mark view handling

-(void) viewDidLoad {    

    self.view.frame = CGRectMake(0, 0, 480, 320);

    self.view.backgroundColor = [UIColor blackColor];

    self.view.layer.borderColor = [[UIColor whiteColor] CGColor];

    self.view.layer.borderWidth = 1.3f;

    [self.view.layer setCornerRadius:10];

    [self.view.layer setMasksToBounds:YES];

    self.view.autoresizingMask = UIViewAutoresizingNone;

    placingPoint = CGPointMake(-1, -1);

    self.isVisible = NO;

    delay = (uint8_t *)calloc(HW_getNumberOfWeapons(), sizeof(uint8_t));

    HW_getAmmoDelays(delay);

    shouldUpdateImage = (BOOL *)calloc(HW_getNumberOfWeapons(), sizeof(BOOL));

    [super viewDidLoad];

}

-(void) viewWillAppear:(BOOL)animated {

    [self updateAmmoVisuals];

    [super viewWillAppear:animated];

}

-(void) appearInView:(UIView *)container {

    [self viewWillAppear:YES];

    [container addSubview:self.view];

    if (placingPoint.x == -1 || placingPoint.y == -1)

        placingPoint = container.center;

    self.view.center = placingPoint;

    self.isVisible = YES;

    if (IS_IPAD() == NO)

        HW_pause();

}

-(void) disappear {

    if (self.isVisible)

        [self.view removeFromSuperview];

    self.isVisible = NO;

    placingPoint = self.view.center;

    if (IS_IPAD() == NO)

        HW_pauseToggle();

}

#pragma mark -

#pragma mark drawing

-(void) loadLabels {

    int x = 12;

    int y = (HW_getNumberOfWeapons()/BTNS_PER_ROW)*44 + 18;

    UILabel *name = [[UILabel alloc] initWithFrame:CGRectMake(x, y, 200, 20)];

    name.backgroundColor = [UIColor clearColor];

    name.textColor = UICOLOR_HW_YELLOW_BODER;

    name.font = [UIFont boldSystemFontOfSize:[UIFont labelFontSize]];

    self.nameLabel = name;

    [self.view addSubview:self.nameLabel];

    [name release];

    UILabel *caption = [[UILabel alloc] initWithFrame:CGRectMake(x+200, y, 220, 20)];

    caption.backgroundColor = [UIColor clearColor];

    caption.textColor = [UIColor whiteColor];

    caption.font = [UIFont boldSystemFontOfSize:[UIFont systemFontSize]];

    caption.adjustsFontSizeToFitWidth = YES;

    caption.minimumFontSize = 8;

    self.captionLabel = caption;

    [self.view addSubview:self.captionLabel];

    [caption release];

    UILabel *description = [[UILabel alloc] initWithFrame:CGRectMake(x+2, self.view.frame.size.height-50, 415, 53)];

    description.backgroundColor = [UIColor clearColor];

    description.textColor = [UIColor whiteColor];

    description.text = DEFAULT_DESCRIPTION;

    description.font = [UIFont italicSystemFontOfSize:[UIFont systemFontSize]];

    description.adjustsFontSizeToFitWidth = YES;

    description.minimumFontSize = 8;

    description.numberOfLines = 0;

    self.extraLabel = description;

    [self.view addSubview:self.extraLabel];

    [description release];

}

-(void) loadAmmoStuff:(id) object {

    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];

    NSString *str = [NSString stringWithFormat:@"%@/AmmoMenu/Ammos.png",GRAPHICS_DIRECTORY()];

    UIImage *ammoStoreImage = [[UIImage alloc] initWithContentsOfFile:str];

    NSMutableArray *imgs = [[NSMutableArray alloc] initWithCapacity:HW_getNumberOfWeapons()];

    NSMutableArray *array = [[NSMutableArray alloc] initWithCapacity:HW_getNumberOfWeapons()];

    int i, j, e;

    for (i = 0, j = 0, e = 0; i < HW_getNumberOfWeapons(); i++) {

        int x, y;

        float w, radius;

        // move utilities aside and make 'em rounded

        if (HW_isWeaponAnEffect(i)) {

            x = 432;

            y = 20 + 48*e++;

            w = 1.5;

            radius = 22;

        } else {

            x = 10+(j%BTNS_PER_ROW)*44;

            y = 10+(j/BTNS_PER_ROW)*44;

            if (j / BTNS_PER_ROW % 2 != 0)

                x += 20;

            w = 1;

            radius = 6;

            j++;

        }

        UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];

        button.frame = CGRectMake(x, y, 40, 40);

        button.tag = i;

        button.layer.borderColor = [UICOLOR_HW_YELLOW_TEXT CGColor];

        button.layer.borderWidth = w;

        [button.layer setCornerRadius:radius];

        [button.layer setMasksToBounds:YES];

        [button addTarget:self action:@selector(buttonPressed:) forControlEvents:UIControlEventTouchDown];

        [button addTarget:self action:@selector(buttonReleased:) forControlEvents:UIControlEventTouchUpInside];

        [button addTarget:self action:@selector(buttonCancelled:) forControlEvents:UIControlEventTouchUpOutside|UIControlEventTouchCancel];

        [button setTitleColor:UICOLOR_HW_YELLOW_TEXT forState:UIControlStateNormal];

        button.titleLabel.backgroundColor = [UIColor blackColor];

        button.titleLabel.font = [UIFont boldSystemFontOfSize:[UIFont smallSystemFontSize]];

        [button.titleLabel.layer setCornerRadius:3];

        [button.titleLabel.layer setMasksToBounds:YES];

        button.titleLabel.layer.borderColor = [[UIColor whiteColor] CGColor];

        button.titleLabel.layer.borderWidth = 1;

        [self.view addSubview:button];

        [array addObject:button];

        int size = 32*getScreenScale();

        int x_src = ((i*size)/(int)(ammoStoreImage.size.height*getScreenScale()))*size;

        int y_src = (i*size)%(int)(ammoStoreImage.size.height*getScreenScale());

        UIImage *img = [ammoStoreImage cutAt:CGRectMake(x_src, y_src, size, size)];

        [imgs addObject:img];

    }

    [self performSelectorOnMainThread:@selector(setButtonsArray:) withObject:array waitUntilDone:NO];

    [array release];

    [self performSelectorOnMainThread:@selector(setImagesArray:) withObject:imgs waitUntilDone:NO];

    [imgs release];

    [ammoStoreImage release];

    [self performSelectorOnMainThread:@selector(loadLabels) withObject:nil waitUntilDone:NO];

    [self performSelectorOnMainThread:@selector(updateAmmoVisuals) withObject:nil waitUntilDone:YES];

    UIActivityIndicatorView *spinner = (UIActivityIndicatorView *)object;

    [spinner stopAnimating];

    [pool drain];

}

-(void) updateAmmoVisuals {

    if (self.buttonsArray == nil || self.imagesArray == nil) {

        UIActivityIndicatorView *spinner = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhite];

        spinner.hidesWhenStopped = YES;

        spinner.center = self.view.center;

        [spinner startAnimating];

        [self.view addSubview:spinner];

        [NSThread detachNewThreadSelector:@selector(loadAmmoStuff:) toTarget:self withObject:spinner];

        [spinner release];

        return;

    }

    int *loadout = (int *)calloc(HW_getNumberOfWeapons(), sizeof(int));

    int res = HW_getAmmoCounts(loadout);

    int turns = HW_getTurnsForCurrentTeam();

    if (res == 0) {

        self.view.userInteractionEnabled = YES;

        for (int i = 0; i < HW_getNumberOfWeapons(); i++) {

            UIButton *button = [self.buttonsArray objectAtIndex:i];

            if (loadout[i] > 0) {

                if (delay[i]-turns >= 0) {

                    button.layer.borderColor = [[UIColor lightGrayColor] CGColor];

                    [button setTitle:[NSString stringWithFormat:@" %d ",delay[i]-turns+1] forState:UIControlStateNormal];

                    if (button.currentBackgroundImage == nil || shouldUpdateImage[i] == NO) {

                        UIImage *img = [self.imagesArray objectAtIndex:i];

                        [button setBackgroundImage:[img convertToGrayScale] forState:UIControlStateNormal];

                        shouldUpdateImage[i] = YES;

                    }

                } else {

                    button.layer.borderColor = [UICOLOR_HW_YELLOW_TEXT CGColor];

                    [button setTitle:nil forState:UIControlStateNormal];

                    if (button.currentBackgroundImage == nil || shouldUpdateImage[i] == YES) {

                        UIImage *img = [self.imagesArray objectAtIndex:i];

                        [button setBackgroundImage:img forState:UIControlStateNormal];

                        shouldUpdateImage[i] = NO;

                    }

                }

                button.enabled = YES;

            } else {

                if (button.enabled == YES)

                    [button setBackgroundImage:nil forState:UIControlStateNormal];

                button.layer.borderColor = [[UIColor darkGrayColor] CGColor];

                button.enabled = NO;

                shouldUpdateImage[i] = NO;

            }

        }

    } else {

        self.view.userInteractionEnabled = NO;

    }

    free(loadout);

    loadout = NULL;

}

#pragma mark -

#pragma mark user interaction

-(void) buttonPressed:(id) sender {

    UIButton *theButton = (UIButton *)sender;

    if (self.nameLabel == nil || self.extraLabel == nil)

        [self loadLabels];

    self.nameLabel.text = [NSString stringWithUTF8String:HW_getWeaponNameByIndex(theButton.tag)];

    // description contains a lot of unnecessary stuff, we clean it by removing .|, !| and ?|

    NSString *description = [NSString stringWithUTF8String:HW_getWeaponDescriptionByIndex(theButton.tag)];

    NSArray *elements = [description componentsSeparatedByString:@".|"];

    NSArray *purgedElements = [[elements objectAtIndex:0] componentsSeparatedByString:@"!|"];

    NSArray *morePurgedElements = [[purgedElements objectAtIndex:0] componentsSeparatedByString:@"?|"];

    self.extraLabel.text = [[[morePurgedElements objectAtIndex:0] stringByReplacingOccurrencesOfString:@"|" withString:@" "] stringByAppendingString:@"."];

    if (theButton.currentTitle != nil)

        self.captionLabel.text = NSLocalizedString(@"This weapon is locked",@"");

    else

        self.captionLabel.text = [NSString stringWithUTF8String:HW_getWeaponCaptionByIndex(theButton.tag)];

    self.nameLabel.backgroundColor = [UIColor blackColor];

    self.captionLabel.backgroundColor = [UIColor blackColor];

    self.extraLabel.backgroundColor = [UIColor blackColor];

    int y, x = 8;

    // display labels on top for lower buttons

    if (theButton.tag > 41)

        y = 5;

    else

        y = (HW_getNumberOfWeapons()/BTNS_PER_ROW)*40;

    self.nameLabel.frame = CGRectMake(x, y, 200, 20);

    self.captionLabel.frame = CGRectMake(x+200, y, 220, 20);

    self.extraLabel.frame = CGRectMake(x+2, y+20, 415, 53);

}

-(void) buttonCancelled:(id) sender {

    self.nameLabel.text = nil;

    self.extraLabel.text = nil;

    self.captionLabel.text = nil;

    self.extraLabel.backgroundColor = [UIColor clearColor];

    self.captionLabel.backgroundColor = [UIColor clearColor];

    self.nameLabel.backgroundColor = [UIColor clearColor];

}

-(void) buttonReleased:(id) sender {

    UIButton *theButton = (UIButton *)sender;

    if (self.nameLabel == nil || self.extraLabel == nil)

        [self loadLabels];

    if (theButton.currentTitle == nil) {

        HW_setWeapon(theButton.tag);

        playSound(@"clickSound");

        if (IS_DUALHEAD() == NO)

            [self disappear];

    }

    [self buttonCancelled:sender];

}

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

    NSSet *allTouches = [event allTouches];

    if (IS_IPAD() && [touches count] == 1) {

        self.view.layer.borderWidth = 3.5;

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

    }

    if (IS_IPAD() == NO)

        [self disappear];

}

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

    self.view.layer.borderWidth = 1.3;

}

// better window dragging implementation by

// http://iphonedevelopertips.com/graphics/drag-an-image-within-the-bounds-of-superview.html

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

    if (IS_IPAD() && [touches count] == 1) {

        // Get active location upon move

        CGPoint activePoint = [[touches anyObject] locationInView:self.view];

        // Determine new point based on where the touch is now located

        CGPoint newPoint = CGPointMake(self.view.center.x + (activePoint.x - currentPoint.x),

                                       self.view.center.y + (activePoint.y - currentPoint.y));

        // Make sure we stay within the bounds of the parent view

        float midPointX = CGRectGetMidX(self.view.bounds);

        if (newPoint.x > self.view.superview.bounds.size.width  - midPointX)

            newPoint.x = self.view.superview.bounds.size.width - midPointX;

        else if (newPoint.x < midPointX)

            newPoint.x = midPointX;

        float midPointY = CGRectGetMidY(self.view.bounds);

        if (newPoint.y > self.view.superview.bounds.size.height  - midPointY)

            newPoint.y = self.view.superview.bounds.size.height - midPointY;

        else if (newPoint.y < midPointY)

            newPoint.y = midPointY;

        self.view.center = newPoint;

    }

}

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

    [self touchesEnded:touches withEvent:event];

}

#pragma mark -

#pragma mark memory

-(void) didReceiveMemoryWarning {

    self.imagesArray = nil;

    if (self.isVisible == NO)

        self.buttonsArray = nil;

    self.nameLabel = nil;

    self.extraLabel = nil;

    self.captionLabel = nil;

    MSG_MEMCLEAN();

    [super didReceiveMemoryWarning];

}

-(void) viewDidUnload {

    self.imagesArray = nil;

    self.buttonsArray = nil;

    self.nameLabel = nil;

    self.extraLabel = nil;

    self.captionLabel = nil;

    free(delay);

    delay = NULL;

    free(shouldUpdateImage);

    shouldUpdateImage = NULL;

    MSG_DIDUNLOAD();

    [super viewDidUnload];

}

-(void) dealloc {

    releaseAndNil(nameLabel);

    releaseAndNil(extraLabel);

    releaseAndNil(captionLabel);

    releaseAndNil(imagesArray);

    releaseAndNil(buttonsArray);

    [super dealloc];

}

@end