#import "MainMenuViewController.h"

#import "CommodityFunctions.h"

#import "SDL_uikitappdelegate.h"

#import "SDL_mixer.h"

#import "PascalImports.h"

#import "GameConfigViewController.h"

#import "SplitViewRootController.h"

#import "AboutViewController.h"

@implementation MainMenuViewController

@synthesize versionLabel, gameConfigViewController, settingsViewController, aboutViewController;

-(BOOL) shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation) interfaceOrientation {

    return rotationManager(interfaceOrientation);

}

- (void)didReceiveMemoryWarning {

    // Releases the view if it doesn't have a superview.

    [super didReceiveMemoryWarning];

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

        self.settingsViewController = nil;

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

        self.gameConfigViewController = nil;

    MSG_MEMCLEAN();

}

// using a different thread for audio 'cos it's slow

-(void) initAudioThread {

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

    // do somthing in the future

    [pool release];

}

-(void) viewDidLoad {

    [NSThread detachNewThreadSelector:@selector(initAudioThread)

                             toTarget:self

                           withObject:nil];

    char *ver;

    HW_versionInfo(NULL, &ver);

    NSString *versionNumber = [[NSString alloc] initWithCString:ver];

    self.versionLabel.text = @"";//versionNumber;

    [versionNumber release];

    // listen to request to remove the modalviewcontroller

    [[NSNotificationCenter defaultCenter] addObserver:self

                                             selector:@selector(dismissModalViewController)

                                                 name: @"dismissModalView"

                                               object:nil];

    // now check if some configuration files are already set; if they are present it means that the current copy must be updated

    BOOL doCreateFiles = NO;

    NSString *resDir = [[NSBundle mainBundle] resourcePath];

    NSString *versionFileToCheck = [NSString stringWithFormat:@"%@/version.txt",DOCUMENTS_FOLDER()];

    if ([[NSFileManager defaultManager] fileExistsAtPath:versionFileToCheck]) {

        NSString *currentVersion = [NSString stringWithContentsOfFile:versionFileToCheck encoding:NSUTF8StringEncoding error:nil];

        NSString *newVersion = [NSString stringWithContentsOfFile:[NSString stringWithFormat:@"%@/Settings/version.txt",resDir] encoding:NSUTF8StringEncoding error:nil];

        if ([currentVersion intValue] < [newVersion intValue]) {

            doCreateFiles = YES;

            [newVersion writeToFile:versionFileToCheck atomically:YES encoding:NSUTF8StringEncoding error:nil];

        }

    } else {

        doCreateFiles = YES;

        [[NSFileManager defaultManager] copyItemAtPath:[NSString stringWithFormat:@"%@/Settings/version.txt",resDir] toPath:versionFileToCheck error:nil];

    } 

    if (doCreateFiles == YES) {

        NSError *err = nil;

        NSString *directoryToCheck, *fileToCheck, *fileToUpdate;

        DLog(@"Creating necessary files");

        // if the settings file is already present, we merge current preferences with the update

        directoryToCheck = [NSString stringWithFormat:@"%@/Settings/settings.plist",resDir];

        if ([[NSFileManager defaultManager] fileExistsAtPath:SETTINGS_FILE()]) {

            NSDictionary *settings = [[NSDictionary alloc] initWithContentsOfFile:SETTINGS_FILE()];

            NSMutableDictionary *update = [[NSMutableDictionary alloc] initWithContentsOfFile:directoryToCheck];

            [update addEntriesFromDictionary:settings];

            [settings release];

            [update writeToFile:SETTINGS_FILE() atomically:YES];

            [update release];

        } else 

            [[NSFileManager defaultManager] copyItemAtPath:directoryToCheck toPath:SETTINGS_FILE() error:&err];

        // if the teams are already present we merge the old teams if they still exist

        directoryToCheck = [NSString stringWithFormat:@"%@/Settings/Teams",resDir];

        if ([[NSFileManager defaultManager] fileExistsAtPath:TEAMS_DIRECTORY()]) {

            for (NSString *str in [[NSFileManager defaultManager] contentsOfDirectoryAtPath:directoryToCheck error:nil]) {

                fileToCheck = [NSString stringWithFormat:@"%@/%@",TEAMS_DIRECTORY(),str];

                fileToUpdate = [NSString stringWithFormat:@"%@/Settings/Teams/%@",resDir,str];

                if ([[NSFileManager defaultManager] fileExistsAtPath:fileToCheck]) {

                    NSDictionary *team = [[NSDictionary alloc] initWithContentsOfFile:fileToCheck];

                    NSMutableDictionary *update = [[NSMutableDictionary alloc] initWithContentsOfFile:fileToUpdate];

                    [update addEntriesFromDictionary:team];

                    [team release];

                    [update writeToFile:fileToCheck atomically:YES];

                    [update release];

                }

            }

        } else

            [[NSFileManager defaultManager] copyItemAtPath:directoryToCheck toPath:TEAMS_DIRECTORY() error:&err];

        // the same holds for schemes (but they're arrays)

        directoryToCheck = [NSString stringWithFormat:@"%@/Settings/Schemes",resDir];

        if ([[NSFileManager defaultManager] fileExistsAtPath:SCHEMES_DIRECTORY()]) {

            for (NSString *str in [[NSFileManager defaultManager] contentsOfDirectoryAtPath:directoryToCheck error:nil]) {

                fileToCheck = [NSString stringWithFormat:@"%@/%@",SCHEMES_DIRECTORY(),str];

                fileToUpdate = [NSString stringWithFormat:@"%@/Settings/Schemes/%@",resDir,str];

                if ([[NSFileManager defaultManager] fileExistsAtPath:fileToCheck]) {

                    NSArray *scheme = [[NSArray alloc] initWithContentsOfFile:fileToCheck];

                    NSArray *update = [[NSArray alloc] initWithContentsOfFile:fileToUpdate];

                    if ([update count] > [scheme count])

                        [update writeToFile:fileToCheck atomically:YES];

                    [update release];

                    [scheme release];

                }

            }

        } else

            [[NSFileManager defaultManager] copyItemAtPath:directoryToCheck toPath:SCHEMES_DIRECTORY() error:&err];

        // we create weapons the first time only, they are autoupdated each time

        if ([[NSFileManager defaultManager] fileExistsAtPath:WEAPONS_DIRECTORY()] == NO) {

            [[NSFileManager defaultManager] createDirectoryAtPath:WEAPONS_DIRECTORY()

                                      withIntermediateDirectories:YES

                                                       attributes:nil

                                                            error:&err];

            createWeaponNamed(@"Default", 0);

            createWeaponNamed(@"Crazy", 1);

            createWeaponNamed(@"Pro mode", 2);

            createWeaponNamed(@"Shoppa", 3);

            createWeaponNamed(@"Basketball", 4);

            createWeaponNamed(@"Minefield", 5);

        }

        DLog(@"Success");

        if (err != nil) 

            DLog(@"%@", err);

    }

    [super viewDidLoad];

}

#pragma mark -

-(IBAction) switchViews:(id) sender {

    UIButton *button = (UIButton *)sender;

    UIAlertView *alert;

    NSString *xib;

    playSound(@"clickSound");

    switch (button.tag) {

        case 0:

            if (nil == self.gameConfigViewController) {

                if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad)

                    xib = nil;

                else

                    xib = @"GameConfigViewController";

                GameConfigViewController *gcvc = [[GameConfigViewController alloc] initWithNibName:xib bundle:nil];

                gcvc.modalTransitionStyle = UIModalTransitionStyleFlipHorizontal;

                self.gameConfigViewController = gcvc;

                [gcvc release];

            }

            [self presentModalViewController:self.gameConfigViewController animated:YES];

            break;

        case 2:

            if (nil == self.settingsViewController) {

                SplitViewRootController *svrc = [[SplitViewRootController alloc] initWithNibName:nil bundle:nil];

                svrc.modalTransitionStyle = UIModalTransitionStyleCoverVertical;

                self.settingsViewController = svrc;

                [svrc release];

            }

            [self presentModalViewController:self.settingsViewController animated:YES];

            break;

        case 3:

            if (nil == self.aboutViewController) {

                AboutViewController *about = [[AboutViewController alloc] initWithNibName:@"AboutViewController" bundle:nil];

                about.modalTransitionStyle = UIModalTransitionStyleCoverVertical;

                about.modalPresentationStyle = UIModalPresentationFormSheet;

                self.aboutViewController = about;

                [about release];

            }

            [self presentModalViewController:self.aboutViewController animated:YES];

            /*

            debugStr = [[NSString alloc] initWithContentsOfFile:DEBUG_FILE()];

            UITextView *scroll = [[UITextView alloc] initWithFrame:CGRectMake(0, 0, self.view.frame.size.height, self.view.frame.size.width)];

            scroll.text = debugStr;

            [debugStr release];

            scroll.editable = NO;

            UIButton *btn = [UIButton buttonWithType:UIButtonTypeCustom];

            [btn addTarget:scroll action:@selector(removeFromSuperview) forControlEvents:UIControlEventTouchUpInside];

            btn.backgroundColor = [UIColor blackColor];

            btn.frame = CGRectMake(self.view.frame.size.height-70, 0, 70, 70);

            [scroll addSubview:btn];

            [self.view addSubview:scroll];

            [scroll release];

            */

            break;

        default:

            alert = [[UIAlertView alloc] initWithTitle:@"Not Yet Implemented"

                                               message:@"Sorry, this feature is not yet implemented"

                                              delegate:nil

                                     cancelButtonTitle:@"Well, don't worry"

                                     otherButtonTitles:nil];

            [alert show];

            [alert release];

            break;

    }

}

// must be kept for compatibility with the settings page

-(void) dismissModalViewController {

    [self dismissModalViewControllerAnimated:YES];

}

-(void) viewDidUnload {

    [[NSNotificationCenter defaultCenter] removeObserver:self];

    self.versionLabel = nil;

    self.gameConfigViewController = nil;

    self.settingsViewController = nil;

    self.aboutViewController = nil;

    MSG_DIDUNLOAD();

    [super viewDidUnload];

}

-(void) dealloc {

    [versionLabel release];

    [settingsViewController release];

    [gameConfigViewController release];

    [aboutViewController release];

    [super dealloc];

}

@end