/*

 * 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA.

 */

#import "GameInterfaceBridge.h"

#import "EngineProtocolNetwork.h"

#import "StatsPageViewController.h"

static UIViewController *callingController;

@implementation GameInterfaceBridge

@synthesize blackView, savePath, port;

#pragma mark -

#pragma mark Instance methods for engine interaction

// prepares the controllers for hosting a game

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

    [[AudioManagerController mainManager] fadeOutBackgroundMusic];

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

    self.port = engineProtocol.enginePort;

    engineProtocol.delegate = self;

    [engineProtocol 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];

    // keep the point of return for games that completed loading

    NSUserDefaults *userDefaults = [NSUserDefaults standardUserDefaults];

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

    [userDefaults setObject:[NSNumber numberWithBool:NO] forKey:@"saveIsValid"];

    [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];

    // 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 mainManager] fadeInBackgroundMusic];

    [HWUtils setGameStatus:gsNone];

    [HWUtils setGameType:gtNone];

}

// main routine for calling the actual game engine

- (void)engineLaunch {

    CGFloat width, height;

    CGFloat screenScale = [[UIScreen mainScreen] safeScale];

    NSString *ipcString = [[NSString alloc] initWithFormat:@"%d",self.port];

    NSString *localeString = [[NSString alloc] initWithFormat:@"%@.txt", [HWUtils languageID]];

    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;

    NSString *rawQuality = [NSString stringWithFormat:@"%d",tmpQuality];

    NSString *documentsDirectory = DOCUMENTS_FOLDER();

    NSMutableArray *gameParameters = [[NSMutableArray alloc] initWithObjects:

                                      @"--internal",

                                      @"--port", ipcString,

                                      @"--width", horizontalSize,

                                      @"--height", verticalSize,

                                      @"--raw-quality", rawQuality,

                                      @"--locale", localeString,

                                      @"--prefix", resourcePath,

                                      @"--user-prefix", documentsDirectory,

                                      nil];

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

    if ([username length] > 0) {

        [gameParameters addObject:@"--nick"];

        [gameParameters addObject: username];

    }

    if ([[settings objectForKey:@"sound"] boolValue] == NO)

        [gameParameters addObject:@"--nosound"];

    if ([[settings objectForKey:@"music"] boolValue] == NO)

        [gameParameters addObject:@"--nomusic"];

    if([[settings objectForKey:@"alternate"] boolValue] == YES)

        [gameParameters addObject:@"--altdmg"];

#ifdef DEBUG

    [gameParameters addObject:@"--showfps"];

#endif

    if ([HWUtils gameType] == gtSave)

        [gameParameters addObject:self.savePath];

    [HWUtils setGameStatus:gsLoading];

    int argc = [gameParameters count];

    const char **argv = (const char **)malloc(sizeof(const char*)*argc);

    for (int i = 0; i < argc; i++)

        argv[i] = strdup([[gameParameters objectAtIndex:i] UTF8String]);

    // this is the pascal function that starts the game

    RunEngine(argc, argv);

    // cleanup

    for (int i = 0; i < argc; i++)

        free((void *)argv[i]);

    free(argv);

    // moar cleanup

    [self lateEngineLaunch];

}

#pragma mark -

#pragma mark EngineProtocolDelegate methods

- (void)gameEndedWithStatistics:(NSArray *)stats {

    [self performSelectorOnMainThread:@selector(presentStats:) withObject:stats waitUntilDone:NO];

}

- (void)presentStats:(NSArray *)stats {

    if (stats != nil) {

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

        statsPage.statsArray = stats;

        statsPage.modalTransitionStyle = UIModalTransitionStyleCoverVertical;

        [callingController presentViewController:statsPage animated:YES completion:nil];

    }

}

#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];

}

+ (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]]];

    // 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];

}

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

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

}

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

    NSString *seedCmd = [self seedCommand];

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

    NSDictionary *missionDict = [[NSDictionary alloc] initWithObjectsAndKeys:missionPath, @"mission_command", seedCmd, @"seed_command", nil];

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

}

+ (NSString *)seedCommand {

    // generate a seed

    NSString *seed = [HWUtils seed];

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

    return seedCmd;

}

+ (void)startCampaignMissionGameWithScript:(NSString *)missionScriptName forCampaign:(NSString *)campaignName {

    NSString *seedCmd = [self seedCommand];

    NSString *campaignMissionPath = [[NSString alloc] initWithFormat:@"escript Missions/Campaign/%@/%@", campaignName, missionScriptName];

    NSDictionary *campaignMissionDict = [[NSDictionary alloc] initWithObjectsAndKeys:campaignMissionPath, @"mission_command", seedCmd, @"seed_command", nil];

    [self startGame:gtCampaign atPath:nil withOptions:campaignMissionDict];

}

+ (void)startSimpleGame {

    NSString *seedCmd = [self seedCommand];

    // pick a random static map

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

    NSString *mapName = [listOfMaps objectAtIndex:arc4random_uniform((int)[listOfMaps count])];

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

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

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

    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 = arc4random_uniform((int)[colorArray count]);

        secondColorIndex = arc4random_uniform((int)[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];

    // 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];

    // launch game

    [GameInterfaceBridge startLocalGame:gameDictionary];

}

@end