/*

 * 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 "CreationChamber.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);

}

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

-(void) createNecessaryFiles {

    NSString *sourceFile, *destinationFile;

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

    DLog(@"Creating necessary files");

    // SAVES - just delete and overwrite

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

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

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

    // SETTINGS FILE - merge when present

    NSString *baseSettingsFile = [[NSString alloc] initWithFormat:@"%@/Settings/settings.plist",resourcesDir];

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

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

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

        // the order of what adds what is important

        [update addEntriesFromDictionary:settings];

        [settings release];

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

        [update release];

    } else 

        [[NSFileManager defaultManager] copyItemAtPath:baseSettingsFile toPath:SETTINGS_FILE() error:NULL];

    [baseSettingsFile release];

    // TEAMS - update exisiting teams with new format

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

        [[NSFileManager defaultManager] createDirectoryAtPath:TEAMS_DIRECTORY()

                                  withIntermediateDirectories:YES

                                                   attributes:nil

                                                        error:NULL];

        // we copy teams only the first time because it's unlikely that newer ones are going to be added

        NSString *baseTeamsDir = [[NSString alloc] initWithFormat:@"%@/Settings/Teams/",resourcesDir];

        for (NSString *str in [[NSFileManager defaultManager] contentsOfDirectoryAtPath:baseTeamsDir error:NULL]) {

            sourceFile = [baseTeamsDir stringByAppendingString:str];

            destinationFile = [TEAMS_DIRECTORY() stringByAppendingString:str];

            [[NSFileManager defaultManager] removeItemAtPath:destinationFile error:NULL];

            [[NSFileManager defaultManager] copyItemAtPath:sourceFile toPath:destinationFile error:NULL];

        }

        [baseTeamsDir release];

    }

    // TODO: is merge needed?

    // SCHEMES - update old stuff and add new stuff

    if ([[NSFileManager defaultManager] fileExistsAtPath:SCHEMES_DIRECTORY()] == NO)

        [[NSFileManager defaultManager] createDirectoryAtPath:SCHEMES_DIRECTORY()

                                  withIntermediateDirectories:YES

                                                   attributes:nil

                                                        error:NULL];

    // TODO: do the merge if necessary

    // we overwrite the default ones because it is likely that new modes are added every release

    NSString *baseSchemesDir = [[NSString alloc] initWithFormat:@"%@/Settings/Schemes/",resourcesDir];

    for (NSString *str in [[NSFileManager defaultManager] contentsOfDirectoryAtPath:baseSchemesDir error:NULL]) {

        sourceFile = [baseSchemesDir stringByAppendingString:str];

        destinationFile = [SCHEMES_DIRECTORY() stringByAppendingString:str];

        [[NSFileManager defaultManager] removeItemAtPath:destinationFile error:NULL];

        [[NSFileManager defaultManager] copyItemAtPath:sourceFile toPath:destinationFile error:NULL];

    }

    [baseSchemesDir release];

    // WEAPONS - always overwrite

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

        [[NSFileManager defaultManager] createDirectoryAtPath:WEAPONS_DIRECTORY()

                                  withIntermediateDirectories:YES

                                                   attributes:nil

                                                        error:NULL];

    createWeaponNamed(@"Default", 0);

    createWeaponNamed(@"Crazy", 1);

    createWeaponNamed(@"Pro Mode", 2);

    createWeaponNamed(@"Shoppa", 3);

    createWeaponNamed(@"Clean Slate", 4);

    createWeaponNamed(@"Minefield", 5);

    createWeaponNamed(@"Thinking with Portals", 6);

    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;

                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;

                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