/*

 * 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 "SavedGamesViewController.h"

#import "GameInterfaceBridge.h"

@interface SavedGamesViewController ()

@property (strong, nonatomic) IBOutlet UIBarButtonItem *clearAllButton;

@end

@implementation SavedGamesViewController

@synthesize tableView, listOfSavegames;

- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation {

    return rotationManager(interfaceOrientation);

}

- (void)updateTable {

    NSArray *contentsOfDir = [[NSFileManager defaultManager] contentsOfDirectoryAtPath:SAVES_DIRECTORY() error:NULL];

    NSMutableArray *array = [[NSMutableArray alloc] initWithArray:contentsOfDir copyItems:YES];

    self.listOfSavegames = array;

    [self.tableView reloadData];

}

- (void)viewDidLoad

{

    [super viewDidLoad];

    [self.tableView setBackgroundColorForAnyTable:[UIColor clearColor]];

    NSString *imgName = (IS_IPAD()) ? @"mediumBackground~ipad.png" : @"smallerBackground~iphone.png";

    UIImage *img = [[UIImage alloc] initWithContentsOfFile:imgName];

    UIImageView *background = [[UIImageView alloc] initWithImage:img];

    background.frame = self.view.frame;

    background.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;

    [self.view insertSubview:background atIndex:0];

    [self.clearAllButton setTitle:NSLocalizedString(@"Clear All", nil)];

    if (self.listOfSavegames == nil)

        [self updateTable];

}

- (void)viewWillAppear:(BOOL)animated {

    [self updateTable];

    [super viewWillAppear:animated];

}

#pragma mark -

#pragma mark button functions

- (IBAction)buttonPressed:(id)sender {

    UIButton *button = (UIButton *)sender;

    if (button.tag == 0) {

        [[AudioManagerController mainManager] playBackSound];

        [self.tableView setEditing:NO animated:YES];

        [[self presentingViewController] dismissViewControllerAnimated:YES completion:nil];

    } else {

        NSString *titleStr, *cancelStr, *confirmStr;

        titleStr = NSLocalizedString(@"Are you reeeeeally sure?", @"");

        cancelStr = NSLocalizedString(@"Well, maybe not...", @"");

        confirmStr = NSLocalizedString(@"Of course!", @"");

        UIActionSheet *actionSheet = [[UIActionSheet alloc] initWithTitle:titleStr

                                                                 delegate:self

                                                        cancelButtonTitle:cancelStr

                                                   destructiveButtonTitle:confirmStr

                                                        otherButtonTitles:nil];

        if (IS_IPAD())

            [actionSheet showFromBarButtonItem:(UIBarButtonItem *)sender animated:YES];

        else

            [actionSheet showInView:self.view];

    }

}

- (void)actionSheet:(UIActionSheet *)actionSheet didDismissWithButtonIndex:(NSInteger)buttonIndex {

    if ([actionSheet cancelButtonIndex] != buttonIndex) {

        // remove all files and recreate the directory

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

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

        // update the table and the cached list

        NSMutableArray *array = [[NSMutableArray alloc] init];

        for (int i = 0; i < [self.listOfSavegames count]; i++)

            [array addObject:[NSIndexPath indexPathForRow:i inSection:0]];

        [self.listOfSavegames removeAllObjects];

        [self.tableView deleteRowsAtIndexPaths:array withRowAnimation:UITableViewRowAnimationTop];

    }

}

#pragma mark -

#pragma mark Table view data source

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

    return 1;

}

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

    return [self.listOfSavegames count];

}

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

    static NSString *CellIdentifier = @"Cell";

    EditableCellView *editableCell = (EditableCellView *)[aTableView dequeueReusableCellWithIdentifier:CellIdentifier];

    if (editableCell == nil) {

        editableCell = [[EditableCellView alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier];

        editableCell.delegate = nil;

        editableCell.textField.userInteractionEnabled = NO;

    }

    editableCell.tag = [indexPath row];

    editableCell.textField.text = [[self.listOfSavegames objectAtIndex:[indexPath row]] stringByDeletingPathExtension];

    editableCell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;

    return (UITableViewCell *)editableCell;

}

-(UIView *)tableView:(UITableView *)tableView viewForFooterInSection:(NSInteger)section {

    UIView *footer = [[UIView alloc] initWithFrame:CGRectMake(0, 0, self.tableView.frame.size.width, 60)];

    footer.backgroundColor = [UIColor clearColor];

    UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, self.tableView.frame.size.width*60/100, 60)];

    label.center = CGPointMake(self.tableView.frame.size.width/2, 30);

    label.textAlignment = NSTextAlignmentCenter;

    label.font = [UIFont italicSystemFontOfSize:16];

    label.textColor = [UIColor lightGrayColor];

    label.numberOfLines = 5;

    label.text = NSLocalizedString(@"Press to resume playing or swipe to delete the save file.",@"");

    label.backgroundColor = [UIColor clearColor];

    [footer addSubview:label];

    return footer;

}

- (CGFloat)tableView:(UITableView *)tableView heightForFooterInSection:(NSInteger)section {

    return 60;

}

- (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath {

    [(EditableCellView *)[self.tableView cellForRowAtIndexPath:indexPath] save:nil];

    [self fixTagsForStartTag:[indexPath row]];

    NSString *saveName = [self.listOfSavegames objectAtIndex:[indexPath row]];

    NSString *filePath = [NSString stringWithFormat:@"%@/%@",SAVES_DIRECTORY(),saveName];

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

    [self.listOfSavegames removeObject:saveName];

    [self.tableView deleteRowsAtIndexPaths:[NSArray arrayWithObject:indexPath] withRowAnimation:UITableViewRowAnimationLeft];

}

#pragma mark - Fix cells' tags

- (void)fixTagsForStartTag:(NSInteger)tag

{

    for (UITableViewCell *cell in self.tableView.visibleCells)

    {

        NSInteger oldTag = cell.tag;

        if (oldTag > tag)

        {

            cell.tag--;

        }

    }

}

#pragma mark -

#pragma mark Table view delegate

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

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

    if (self.listOfSavegames == nil)

        [self updateTable];

    // duplicate the entry

    [(EditableCellView *)[self.tableView cellForRowAtIndexPath:indexPath] save:nil];

    NSString *currentSaveName = [self.listOfSavegames objectAtIndex:[indexPath row]];

    NSString *currentFilePath = [[NSString alloc] initWithFormat:@"%@/%@",SAVES_DIRECTORY(),currentSaveName];

    NSString *newSaveName = [[NSString alloc] initWithFormat:@"[%@] %@",NSLocalizedString(@"Backup",@""),currentSaveName];

    NSString *newFilePath = [[NSString alloc] initWithFormat:@"%@/%@",SAVES_DIRECTORY(),newSaveName];

    [self.listOfSavegames addObject:newSaveName];

    [[NSFileManager defaultManager] copyItemAtPath:currentFilePath toPath:newFilePath error:nil];

    [self.tableView insertRowsAtIndexPaths:[NSArray arrayWithObject:indexPath] withRowAnimation:UITableViewRowAnimationNone];

    [GameInterfaceBridge registerCallingController:self];

    [GameInterfaceBridge startSaveGame:currentFilePath];

}

#pragma mark -

#pragma mark editableCellView delegate

// rename old file if names differ

- (void)saveTextFieldValue:(NSString *)textString withTag:(NSInteger)tagValue {

    if (self.listOfSavegames == nil)

        [self updateTable];

    NSString *oldFilePath = [NSString stringWithFormat:@"%@/%@",SAVES_DIRECTORY(),[self.listOfSavegames objectAtIndex:tagValue]];

    NSString *newFilePath = [NSString stringWithFormat:@"%@/%@.hws",SAVES_DIRECTORY(),textString];

    if ([oldFilePath isEqualToString:newFilePath] == NO) {

        [[NSFileManager defaultManager] moveItemAtPath:oldFilePath toPath:newFilePath error:nil];

        [self.listOfSavegames replaceObjectAtIndex:tagValue withObject:[textString stringByAppendingString:@".hws"]];

    }

}

#pragma mark -

#pragma mark Memory Management

- (void)didReceiveMemoryWarning {

    self.listOfSavegames = nil;

    MSG_MEMCLEAN();

    [super didReceiveMemoryWarning];

}

@end