/*
 * 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 18/04/2011.
 */


#import "GameInterfaceBridge.h"
#import "EngineProtocolNetwork.h"
#import "OverlayViewController.h"
#import "StatsPageViewController.h"
#import "AudioManagerController.h"
#import "ObjcExports.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 stopBackgroundMusic];

    EngineProtocolNetwork *engineProtocol = [[EngineProtocolNetwork alloc] init];
    self.proto = engineProtocol;
    [engineProtocol release];
    [self.proto spawnThread:self.savePath withOptions:optionsOrNil];

    // add a black view hiding the background
    CGRect theFrame = [[UIScreen mainScreen] bounds];
    UIWindow *thisWindow = [[HedgewarsAppDelegate sharedAppDelegate] uiwindow];
    self.blackView = [[UIView alloc] initWithFrame:theFrame];
    self.blackView.opaque = YES;
    self.blackView.backgroundColor = [UIColor blackColor];
    self.blackView.alpha = 0;
    [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];

    // the overlay is not needed any more and can be removed
    [[OverlayViewController mainOverlay] removeOverlay];

    // 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] initWithStyle:UITableViewStyleGrouped];
        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 playBackgroundMusic];
    [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];
}


@end