/*

 * 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 "VoicesViewController.h"

@implementation VoicesViewController

@synthesize teamDictionary, voiceArray, lastIndexPath;

- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation {

    return rotationManager(interfaceOrientation);

}

#pragma mark -

#pragma mark View lifecycle

- (void)viewDidLoad {

    [super viewDidLoad];

    voiceBeingPlayed = NULL;

    // load all the voices names and store them into voiceArray

    // it's here and not in viewWillAppear because user cannot add/remove them

    NSArray *array = [[NSFileManager defaultManager] contentsOfDirectoryAtPath:VOICES_DIRECTORY() error:NULL];

    self.voiceArray = array;

    self.title = NSLocalizedString(@"Set hedgehog voices",@"");

}

- (void)viewWillAppear:(BOOL)animated {

    [super viewWillAppear:animated];

    // this moves the tableview to the top

    [self.tableView setContentOffset:CGPointMake(0,0) animated:NO];

}

- (void)viewDidAppear:(BOOL)animated {

    [super viewDidAppear:animated];

    Mix_OpenAudio(44100, 0x8010, 1, 1024);

}

- (void)viewDidDisappear:(BOOL)animated {

    [super viewDidDisappear:animated];

    if(voiceBeingPlayed != NULL) {

        Mix_HaltChannel(lastChannel);

        Mix_FreeChunk(voiceBeingPlayed);

        voiceBeingPlayed = NULL;

    }

    Mix_CloseAudio();

}

#pragma mark -

#pragma mark Table view data source

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {

    return 1;

}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {

    return [self.voiceArray count];

}

// Customize the appearance of table view cells.

-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {

    static NSString *CellIdentifier = @"Cell";

    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];

    if (cell == nil) {

        cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier];

    }

    NSString *voice = [[voiceArray objectAtIndex:[indexPath row]] stringByDeletingPathExtension];

    cell.textLabel.text = voice;

    if ([voice isEqualToString:[teamDictionary objectForKey:@"voicepack"]]) {

        cell.accessoryType = UITableViewCellAccessoryCheckmark;

        self.lastIndexPath = indexPath;

    } else {

        cell.accessoryType = UITableViewCellAccessoryNone;

    }

    return cell;

}

#pragma mark -

#pragma mark Table view delegate

- (void)tableView:(UITableView *)aTableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {

    NSInteger newRow = [indexPath row];

    NSInteger oldRow = (lastIndexPath != nil) ? [lastIndexPath row] : -1;

    if (newRow != oldRow) {

        [teamDictionary setObject:[voiceArray objectAtIndex:newRow] forKey:@"voicepack"];

        // tell our boss to write this new stuff on disk

        [[NSNotificationCenter defaultCenter] postNotificationName:@"setWriteNeedTeams" object:nil];

        [self.tableView reloadData];

        self.lastIndexPath = indexPath;

        [self.tableView selectRowAtIndexPath:indexPath animated:YES scrollPosition:UITableViewScrollPositionNone];

    }

    [self.tableView deselectRowAtIndexPath:indexPath animated:YES];

    // stop any sound before playing another one

    if (voiceBeingPlayed != NULL) {

        Mix_HaltChannel(lastChannel);

        Mix_FreeChunk(voiceBeingPlayed);

        voiceBeingPlayed = NULL;

    }

    NSString *voiceDir = [[NSString alloc] initWithFormat:@"%@/%@/",VOICES_DIRECTORY(),[voiceArray objectAtIndex:newRow]];

    NSArray *array = [[NSFileManager defaultManager] contentsOfDirectoryAtPath:voiceDir error:NULL];

    int index = arc4random_uniform((int)[array count]);

    voiceBeingPlayed = Mix_LoadWAV([[voiceDir stringByAppendingString:[array objectAtIndex:index]] UTF8String]);

    lastChannel = Mix_PlayChannel(-1, voiceBeingPlayed, 0);

}

#pragma mark -

#pragma mark Memory management

- (void)didReceiveMemoryWarning {

    if (voiceBeingPlayed != NULL) {

        Mix_HaltChannel(lastChannel);

        Mix_FreeChunk(voiceBeingPlayed);

        voiceBeingPlayed = NULL;

    }

    self.lastIndexPath = nil;

    MSG_MEMCLEAN();

    [super didReceiveMemoryWarning];

}

- (void)dealloc {

    if (voiceBeingPlayed != NULL) {

        Mix_HaltChannel(lastChannel);

        Mix_FreeChunk(voiceBeingPlayed);

        voiceBeingPlayed = NULL;

    }

}

@end