/*

 * Hedgewars-iOS, a Hedgewars port for iOS devices

 * Copyright (c) 2009-2012 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.

 */

#import "GameInterfaceBridge.h"

#import "EngineProtocolNetwork.h"

#import "StatsPageViewController.h"

static UIViewController *callingController;

@implementation GameInterfaceBridge

@synthesize blackView, savePath, proto;

#pragma mark -

#pragma mark Instance methods for engine interaction

// prepares the controllers for hosting a game

-(void) earlyEngineLaunch:(NSDictionary *)optionsOrNil {

    [self retain];

    [AudioManagerController fadeOutBackgroundMusic];

    EngineProtocolNetwork *engineProtocol = [[EngineProtocolNetwork alloc] init];

    self.proto = engineProtocol;

    [engineProtocol release];

    [self.proto spawnThread:self.savePath withOptions:optionsOrNil];

    // add a black view hiding the background

    UIWindow *thisWindow = [[HedgewarsAppDelegate sharedAppDelegate] uiwindow];

    self.blackView = [[UIView alloc] initWithFrame:[[UIScreen mainScreen] bounds]];

    self.blackView.opaque = YES;

    self.blackView.backgroundColor = [UIColor blackColor];

    self.blackView.alpha = 0;

    self.blackView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;

    [UIView beginAnimations:@"fade out" context:NULL];

    [UIView setAnimationDuration:1];

    self.blackView.alpha = 1;

    [UIView commitAnimations];

    [thisWindow addSubview:self.blackView];

    [self.blackView release];

    // keep track of uncompleted games

    NSUserDefaults *userDefaults = [NSUserDefaults standardUserDefaults];

    [userDefaults setObject:self.savePath forKey:@"savedGamePath"];

    [userDefaults synchronize];

    // let's launch the engine using this -perfomSelector so that the runloop can deal with queued messages first

    [self performSelector:@selector(engineLaunch) withObject:nil afterDelay:0.1f];

}

// cleans up everything

-(void) lateEngineLaunch {

    // notify views below that they are getting the spotlight again

    [[[HedgewarsAppDelegate sharedAppDelegate] uiwindow] makeKeyAndVisible];

    [callingController viewWillAppear:YES];

    // remove completed games notification

    NSUserDefaults *userDefaults = [NSUserDefaults standardUserDefaults];

    [userDefaults setObject:@"" forKey:@"savedGamePath"];

    [userDefaults synchronize];

    // remove the cover view with a transition

    self.blackView.alpha = 1;

    [UIView beginAnimations:@"fade in" context:NULL];

    [UIView setAnimationDuration:1];

    self.blackView.alpha = 0;

    [UIView commitAnimations];

    [self.blackView performSelector:@selector(removeFromSuperview) withObject:nil afterDelay:1];

    // engine thread *should* be done by now

    NSArray *stats = [[NSArray alloc] initWithArray:self.proto.statsArray copyItems:YES];

    if ([HWUtils gameStatus] == gsEnded && stats != nil) {

        StatsPageViewController *statsPage = [[StatsPageViewController alloc] init];

        statsPage.statsArray = stats;

        statsPage.modalTransitionStyle = UIModalTransitionStyleCoverVertical;

        if ([statsPage respondsToSelector:@selector(setModalPresentationStyle:)])

            statsPage.modalPresentationStyle = UIModalPresentationPageSheet;

        [callingController presentModalViewController:statsPage animated:YES];

        [statsPage release];

    }

    [stats release];

    // can remove the savefile if the replay has ended

    if ([HWUtils gameType] == gtSave)

        [[NSFileManager defaultManager] removeItemAtPath:self.savePath error:nil];

    // restart music and we're done

    [AudioManagerController fadeInBackgroundMusic];

    [HWUtils setGameStatus:gsNone];

    [HWUtils setGameType:gtNone];

    [self release];

}

// main routine for calling the actual game engine

-(void) engineLaunch {

    const char *gameArgs[11];

    CGFloat width, height;

    NSInteger enginePort = self.proto.enginePort;

    CGFloat screenScale = [[UIScreen mainScreen] safeScale];

    NSString *ipcString = [[NSString alloc] initWithFormat:@"%d",enginePort];

    NSString *localeString = [[NSString alloc] initWithFormat:@"%@.txt",[[NSLocale preferredLanguages] objectAtIndex:0]];

    NSUserDefaults *settings = [NSUserDefaults standardUserDefaults];

    CGRect screenBounds = [[UIScreen mainScreen] safeBounds];

    width = screenBounds.size.width;

    height = screenBounds.size.height;

    NSString *horizontalSize = [[NSString alloc] initWithFormat:@"%d", (int)(width * screenScale)];

    NSString *verticalSize = [[NSString alloc] initWithFormat:@"%d", (int)(height * screenScale)];

    NSString *resourcePath = [[NSString alloc] initWithFormat:@"%@/Data", [[NSBundle mainBundle] resourcePath]];

    NSString *modelId = [HWUtils modelType];

    NSInteger tmpQuality;

    if ([modelId hasPrefix:@"iPhone1"] || [modelId hasPrefix:@"iPod1,1"] || [modelId hasPrefix:@"iPod2,1"])     // = iPhone and iPhone 3G or iPod Touch or iPod Touch 2G

        tmpQuality = 0x00000001 | 0x00000002 | 0x00000008 | 0x00000040;                 // rqLowRes | rqBlurryLand | rqSimpleRope | rqKillFlakes

    else if ([modelId hasPrefix:@"iPhone2"] || [modelId hasPrefix:@"iPod3"])                                    // = iPhone 3GS or iPod Touch 3G

        tmpQuality = 0x00000002 | 0x00000040;                                           // rqBlurryLand | rqKillFlakes

    else if ([modelId hasPrefix:@"iPad1"] || [modelId hasPrefix:@"iPod4"])                                      // = iPad 1G or iPod Touch 4G

        tmpQuality = 0x00000002;                                                        // rqBlurryLand

    else                                                                                                        // = everything else

        tmpQuality = 0;                                                                 // full quality

    // disable ammomenu animation

    tmpQuality = tmpQuality | 0x00000080;

    // disable tooltips on iPhone

    if (IS_IPAD() == NO)

        tmpQuality = tmpQuality | 0x00000400;

    // prevents using an empty nickname

    NSString *username = [settings objectForKey:@"username"];

    if ([username length] == 0)

        username = [NSString stringWithFormat:@"MobileUser-%@",ipcString];

    gameArgs[ 0] = [ipcString UTF8String];                                                      //ipcPort

    gameArgs[ 1] = [horizontalSize UTF8String];                                                 //cScreenWidth

    gameArgs[ 2] = [verticalSize UTF8String];                                                   //cScreenHeight

    gameArgs[ 3] = [[NSString stringWithFormat:@"%d",tmpQuality] UTF8String];                   //quality

    gameArgs[ 4] = [localeString UTF8String];                                                   //cLocaleFName

    gameArgs[ 5] = [username UTF8String];                                                       //UserNick

    gameArgs[ 6] = [[[settings objectForKey:@"sound"] stringValue] UTF8String];                 //isSoundEnabled

    gameArgs[ 7] = [[[settings objectForKey:@"music"] stringValue] UTF8String];                 //isMusicEnabled

    gameArgs[ 8] = [[[settings objectForKey:@"alternate"] stringValue] UTF8String];             //cAltDamage

    gameArgs[ 9] = [resourcePath UTF8String];                                                   //PathPrefix

    gameArgs[10] = ([HWUtils gameType] == gtSave) ? [self.savePath UTF8String] : NULL;          //recordFileName

    [verticalSize release];

    [horizontalSize release];

    [resourcePath release];

    [localeString release];

    [ipcString release];

    [HWUtils setGameStatus:gsLoading];

    // this is the pascal function that starts the game

    Game(gameArgs);

    [self lateEngineLaunch];

}

-(void) dealloc {

    releaseAndNil(blackView);

    releaseAndNil(savePath);

    releaseAndNil(proto);

    [super dealloc];

}

#pragma mark -

#pragma mark Class methods for setting up the engine from outsite

+(void) registerCallingController:(UIViewController *)controller {

    callingController = controller;

}

+(void) startGame:(TGameType) type atPath:(NSString *)path withOptions:(NSDictionary *)config {

    [HWUtils setGameType:type];

    id bridge = [[self alloc] init];

    [bridge setSavePath:path];

    [bridge earlyEngineLaunch:config];

    [bridge release];

}

+(void) startLocalGame:(NSDictionary *)withOptions {

    NSDateFormatter *outputFormatter = [[NSDateFormatter alloc] init];

    [outputFormatter setDateFormat:@"yyyy-MM-dd '@' HH.mm"];

    NSString *savePath = [[NSString alloc] initWithFormat:@"%@%@.hws",SAVES_DIRECTORY(),[outputFormatter stringFromDate:[NSDate date]]];

    [outputFormatter release];

    // in the rare case in which a savefile with the same name exists the older one must be removed (otherwise it gets corrupted)

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

        [[NSFileManager defaultManager] removeItemAtPath:savePath error:nil];

    [self startGame:gtLocal atPath:savePath withOptions:withOptions];

    [savePath release];

}

+(void) startSaveGame:(NSString *)atPath {

    [self startGame:gtSave atPath:atPath withOptions:nil];

}

+(void) startMissionGame:(NSString *)withScript {

    NSString *missionPath = [[NSString alloc] initWithFormat:@"escript Missions/Training/%@.lua",withScript];

    NSDictionary *missionLine = [[NSDictionary alloc] initWithObjectsAndKeys:missionPath,@"mission_command",nil];

    [missionPath release];

    [self startGame:gtMission atPath:nil withOptions:missionLine];

    [missionLine release];

}

+(void) startSimpleGame {

    srand(time(0));

    // generate a seed

    CFUUIDRef uuid = CFUUIDCreate(kCFAllocatorDefault);

    NSString *seed = (NSString *)CFUUIDCreateString(kCFAllocatorDefault, uuid);

    CFRelease(uuid);

    NSString *seedCmd = [[NSString alloc] initWithFormat:@"eseed {%@}", seed];

    // pick a random static map

    NSArray *listOfMaps = [[NSFileManager defaultManager] contentsOfDirectoryAtPath:MAPS_DIRECTORY() error:NULL];

    NSString *mapName = [listOfMaps objectAtIndex:random()%[listOfMaps count]];

    NSString *fileCfg = [[NSString alloc] initWithFormat:@"%@/%@/map.cfg",MAPS_DIRECTORY(),mapName];

    NSString *contents = [[NSString alloc] initWithContentsOfFile:fileCfg encoding:NSUTF8StringEncoding error:NULL];

    [fileCfg release];

    NSArray *split = [contents componentsSeparatedByString:@"\n"];

    [contents release];

    NSString *themeCommand = [[NSString alloc] initWithFormat:@"etheme %@", [split objectAtIndex:0]];

    NSString *staticMapCommand = [[NSString alloc] initWithFormat:@"emap %@", mapName];

    // select teams with two different colors

    NSArray *colorArray = [HWUtils teamColors];

    NSInteger firstColorIndex, secondColorIndex;

    do {

        firstColorIndex = random()%[colorArray count];

        secondColorIndex = random()%[colorArray count];

    } while (firstColorIndex == secondColorIndex);

    unsigned int firstColor = [[colorArray objectAtIndex:firstColorIndex] intValue];

    unsigned int secondColor = [[colorArray objectAtIndex:secondColorIndex] intValue];

    NSDictionary *firstTeam = [[NSDictionary alloc] initWithObjectsAndKeys:[NSNumber numberWithInt:4],@"number",

                                                                           [NSNumber numberWithUnsignedInt:firstColor],@"color",

                                                                           @"Ninjas.plist",@"team",nil];

    NSDictionary *secondTeam = [[NSDictionary alloc] initWithObjectsAndKeys:[NSNumber numberWithInt:4],@"number",

                                                                            [NSNumber numberWithUnsignedInt:secondColor],@"color",

                                                                            @"Robots.plist",@"team",nil];

    NSArray *listOfTeams = [[NSArray alloc] initWithObjects:firstTeam,secondTeam,nil];

    [firstTeam release];

    [secondTeam release];

    // create the configuration

    NSDictionary *gameDictionary = [[NSDictionary alloc] initWithObjectsAndKeys:

                                    seedCmd,@"seed_command",

                                    @"e$template_filter 0",@"templatefilter_command",

                                    @"e$mapgen 0",@"mapgen_command",

                                    @"e$maze_size 0",@"mazesize_command",

                                    themeCommand,@"theme_command",

                                    staticMapCommand,@"staticmap_command",

                                    listOfTeams,@"teams_list",

                                    @"Default.plist",@"scheme",

                                    @"Default.plist",@"weapon",

                                    @"",@"mission_command",

                                    nil];

    [listOfTeams release];

    [staticMapCommand release];

    [themeCommand release];

    [seedCmd release];

    // launch game

    [GameInterfaceBridge startLocalGame:gameDictionary];

    [gameDictionary release];

}

@end