/*

 * 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 08/01/2010.

 */

#import "MainMenuViewController.h"

#import "CommodityFunctions.h"

#import "SDL_uikitappdelegate.h"

#import "PascalImports.h"

#import "GameConfigViewController.h"

#import "SplitViewRootController.h"

#import "AboutViewController.h"

#import "SavedGamesViewController.h"

@implementation MainMenuViewController

@synthesize gameConfigViewController, settingsViewController, aboutViewController, savedGamesViewController;

-(BOOL) shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation) interfaceOrientation {

    return rotationManager(interfaceOrientation);

}

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

-(void) initAudioThread {

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

    // do somthing in the future

    [pool release];

}

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

-(void) createNecessaryFiles {

    NSError *err = nil;

    NSString *directoryToCheck, *fileToCheck, *fileToUpdate;

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

    DLog(@"Creating necessary files");

    // create an empty saves directory by deleting the previous one (saves are incompatible between releases)

    if ([[NSFileManager defaultManager] fileExistsAtPath:SAVES_DIRECTORY()])

        [[NSFileManager defaultManager] removeItemAtPath:SAVES_DIRECTORY() error:NULL];

    [[NSFileManager defaultManager] createDirectoryAtPath:SAVES_DIRECTORY() withIntermediateDirectories:NO attributes:nil error:NULL];

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

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

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

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

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

        [update addEntriesFromDictionary:settings];

        [settings release];

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

        [update release];

    } else 

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

    // TODO: scrap this and always copy the bundled files; update exisising ones in some way

    // if the teams are already present we merge the old teams, else we copy new teams

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

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

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

            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:fileToUpdate toPath:fileToCheck error:&err];

        }

    } else

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

    // TODO: scrap this and always copy the bundled files; update exisising ones in some way

    // the same holds for schemes (but they're dictionaries containing 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]) {

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

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

                if ([[update objectForKey:@"basic"] count] > [[scheme objectForKey:@"basic"] count] ||

                    [[update objectForKey:@"gamemod"] count] > [[scheme objectForKey:@"gamemod"] count])

                    [update writeToFile:fileToCheck atomically:YES];

                [update release];

                [scheme release];

            } else

                [[NSFileManager defaultManager] copyItemAtPath:fileToUpdate toPath:fileToCheck error:&err];

        }

    } else

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

    // weapons are autoupdated at runtime but it's better to update then every new version

    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(@"Clean slate", 4);

    createWeaponNamed(@"Minefield", 5);

    if (err != nil) 

        DLog(@"%@", err);

    else

        DLog(@"Success");

}

#pragma mark -

-(void) viewDidLoad {

    [super viewDidLoad];

    // listen to request to remove the modalviewcontroller (needed due to the splitcontroller)

    [[NSNotificationCenter defaultCenter] addObserver:self

                                             selector:@selector(dismissModalViewController)

                                                 name: @"dismissModalView"

                                               object:nil];

    // get the app's version

    NSString *version = [[[NSBundle mainBundle] infoDictionary] objectForKey:(NSString*)kCFBundleVersionKey];

    // get the version number that we've been tracking

    NSUserDefaults *userDefaults = [NSUserDefaults standardUserDefaults];

    NSString *trackingVersion = [userDefaults stringForKey:@"HedgeVersion"];

    if (trackingVersion == nil || [trackingVersion isEqualToString:version] == NO) {

        [userDefaults setObject:version forKey:@"HedgeVersion"];

        [userDefaults synchronize];

        [self createNecessaryFiles];

    }

}

#pragma mark -

-(IBAction) switchViews:(id) sender {

    UIButton *button = (UIButton *)sender;

    UIAlertView *alert;

    NSString *xib = nil;

    NSString *debugStr = nil;

    playSound(@"clickSound");

    switch (button.tag) {

        case 0:

            if (nil == self.gameConfigViewController) {

                if (IS_IPAD())

                    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:

#ifdef DEBUG

            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];

#else

            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];

#endif

            break;

        case 4:

            if (nil == self.savedGamesViewController) {

                SavedGamesViewController *savedgames = [[SavedGamesViewController alloc] initWithNibName:@"SavedGamesViewController" bundle:nil];

                savedgames.modalTransitionStyle = UIModalTransitionStyleCoverVertical;

                savedgames.modalPresentationStyle = UIModalPresentationPageSheet;

                self.savedGamesViewController = savedgames;

                [savedgames release];

            }

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

            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.gameConfigViewController = nil;

    self.settingsViewController = nil;

    self.aboutViewController = nil;

    self.savedGamesViewController = nil;

    MSG_DIDUNLOAD();

    [super viewDidUnload];

}

-(void) didReceiveMemoryWarning {

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

        self.settingsViewController = nil;

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

        self.gameConfigViewController = nil;

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

        self.aboutViewController = nil;

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

        self.savedGamesViewController = nil;

    MSG_MEMCLEAN();

    [super didReceiveMemoryWarning];

}

-(void) dealloc {

    [settingsViewController release];

    [gameConfigViewController release];

    [aboutViewController release];

    [savedGamesViewController release];

    [super dealloc];

}

@end