/*
 * 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 22/09/2010.
 */


#import "SavedGamesViewController.h"
#import "SDL_uikitappdelegate.h"
#import "StatsPageViewController.h"
#import "CommodityFunctions.h"

@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;
    [array release];

    [self.tableView reloadData];
}

-(void) viewDidLoad {
    if ([self.tableView respondsToSelector:@selector(setBackgroundView:)])
        self.tableView.backgroundView = nil;

    NSString *imgName;
    if (IS_IPAD())
        imgName = @"mediumBackground~ipad.png";
    else
        imgName = @"smallerBackground~iphone.png";
    UIImage *img = [[UIImage alloc] initWithContentsOfFile:imgName];
    self.view.backgroundColor = [UIColor colorWithPatternImage:img];
    [img release];

    [super viewDidLoad];
}

-(void) viewWillAppear:(BOOL)animated {
    [self updateTable];
    [super viewWillAppear:animated];
}

#pragma mark -
#pragma mark button functions
-(IBAction) buttonPressed:(id) sender {
    playSound(@"backSound");
    [self.tableView setEditing:NO animated:YES];
    [[self parentViewController] dismissModalViewControllerAnimated:YES];
}

-(IBAction) toggleEdit:(id) sender {
    BOOL isEditing = self.tableView.editing;
    [self.tableView setEditing:!isEditing animated:YES];
}

-(void) duplicateEntry:(id) sender {
    UIButton *button = (UIButton *)sender;
    NSUInteger row = button.tag;
    
    if (self.listOfSavegames == nil)
        [self updateTable];
    
    [(EditableCellView *)[self.tableView cellForRowAtIndexPath:[NSIndexPath indexPathForRow:row inSection:0]] save:nil];
    NSString *currentSaveName = [self.listOfSavegames objectAtIndex:row];
    NSString *newSaveName = [[currentSaveName stringByDeletingPathExtension] stringByAppendingFormat:@" %d.hws",[self.listOfSavegames count]];
    
    NSString *currentFilePath = [NSString stringWithFormat:@"%@/%@",SAVES_DIRECTORY(),currentSaveName];
    NSString *newFilePath = [NSString stringWithFormat:@"%@/%@",SAVES_DIRECTORY(),newSaveName];
    [[NSFileManager defaultManager] copyItemAtPath:currentFilePath toPath:newFilePath error:nil];
    [self.listOfSavegames addObject:newSaveName];
    [self.listOfSavegames sortUsingSelector:@selector(compare:)];

    [self.tableView reloadData];
}

-(IBAction) clearAll:(id) sender {
    NSString *titleStr, *cancelStr, *confirmStr;
    if (IS_IPAD()) {
        titleStr = nil;
        cancelStr = nil;
        confirmStr = NSLocalizedString(@"Tap to confirm",@"");
    } else {
        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];
    [actionSheet release];
}

-(void) actionSheet:(UIActionSheet *)actionSheet didDismissWithButtonIndex:(NSInteger) buttonIndex {
    if ([actionSheet cancelButtonIndex] != buttonIndex) {
        [[NSFileManager defaultManager] removeItemAtPath:SAVES_DIRECTORY() error:NULL];
        [[NSFileManager defaultManager] createDirectoryAtPath:SAVES_DIRECTORY() withIntermediateDirectories:NO attributes:nil error:NULL];
        [self updateTable];
    }
}

#pragma mark -
#pragma mark Table view data source
-(NSInteger) numberOfSectionsInTableView:(UITableView *)tableView {
    return 1;
}

-(NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
    if (self.listOfSavegames == nil)
        [self updateTable];
    return [self.listOfSavegames count];
}

-(UITableViewCell *)tableView:(UITableView *)aTableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
    static NSString *CellIdentifier = @"Cell";

    if (self.listOfSavegames == nil)
        [self updateTable];
    EditableCellView *editableCell = (EditableCellView *)[aTableView dequeueReusableCellWithIdentifier:CellIdentifier];
    if (editableCell == nil) {
        editableCell = [[[EditableCellView alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease];
        editableCell.delegate = self;
    }
    editableCell.tag = [indexPath row];
    editableCell.respectEditing = YES;
    editableCell.textField.text = [[self.listOfSavegames objectAtIndex:[indexPath row]] stringByDeletingPathExtension];
    editableCell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;
    
    UIImage *addImg = [UIImage imageWithContentsOfFile:@"plus.png"];
    UIButton *customButton = [UIButton buttonWithType:UIButtonTypeContactAdd];
    customButton.tag = [indexPath row];
    [customButton setImage:addImg forState:UIControlStateNormal];
    [customButton addTarget:self action:@selector(duplicateEntry:) forControlEvents:UIControlEventTouchUpInside];
    editableCell.editingAccessoryView = customButton;

    return (UITableViewCell *)editableCell;
}

-(UIView *)tableView:(UITableView *)tableView viewForFooterInSection:(NSInteger) section {
    UIView *footer = [[UIView alloc] initWithFrame:CGRectMake(0, 0, self.tableView.frame.size.width, 50)];
    footer.backgroundColor = [UIColor clearColor];
    
    UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, self.tableView.frame.size.width*80/100, 100)];
    label.center = CGPointMake(self.tableView.frame.size.width/2, 70);
    label.textAlignment = UITextAlignmentCenter;
    label.font = [UIFont systemFontOfSize:16];
    label.textColor = [UIColor lightGrayColor];
    label.numberOfLines = 5;
    label.text = NSLocalizedString(@"Games are automatically saved and can be resumed by selecting an entry above.\nYou can modify this list by pressing the 'Edit' button.\nCompleted games are removed at the end of the match.",@"");

    label.backgroundColor = [UIColor clearColor];
    [footer addSubview:label];
    [label release];
    return [footer autorelease];
}

-(CGFloat) tableView:(UITableView *)tableView heightForFooterInSection:(NSInteger)section {
    return 125;
}

-(void) tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath {
    NSUInteger row = [indexPath row];
    [(EditableCellView *)[self.tableView cellForRowAtIndexPath:[NSIndexPath indexPathForRow:row inSection:0]] save:nil];
    
    if (self.listOfSavegames == nil)
        [self updateTable];
    
    NSString *saveName = [self.listOfSavegames objectAtIndex:row];
    NSString *currentFilePath = [NSString stringWithFormat:@"%@/%@",SAVES_DIRECTORY(),saveName];
    [[NSFileManager defaultManager] removeItemAtPath:currentFilePath error:nil];
    [self.listOfSavegames removeObject:saveName];
    
    [self.tableView reloadData];
}

#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];

    [(EditableCellView *)[self.tableView cellForRowAtIndexPath:indexPath] save:nil];
    
    NSString *filePath = [NSString stringWithFormat:@"%@/%@",SAVES_DIRECTORY(),[self.listOfSavegames objectAtIndex:[indexPath row]]];
    
    NSDictionary *allDataNecessary = [NSDictionary dictionaryWithObjectsAndKeys:
                                      filePath,@"savefile",
                                      [NSNumber numberWithBool:NO],@"netgame",
                                      [NSDictionary dictionaryWithObject:[NSNumber numberWithInt:self.interfaceOrientation] forKey:@"orientation"],@"game_dictionary",
                                      nil];

    // also modify GameConfigViewController.m
    StatsPageViewController *statsPage = [[StatsPageViewController alloc] initWithStyle:UITableViewStyleGrouped];
    statsPage.modalTransitionStyle = UIModalTransitionStyleCoverVertical;
    if ([statsPage respondsToSelector:@selector(setModalPresentationStyle:)])
        statsPage.modalPresentationStyle = UIModalPresentationPageSheet;
    // avoid showing the stat page immediately, but wait for 3 seconds
    [self performSelector:@selector(presentModalViewController:animated:) withObject:statsPage afterDelay:3];

    NSArray *stats;
    if (IS_DUALHEAD()) {
        stats = [[SDLUIKitDelegate sharedAppDelegate] startSDLgame:allDataNecessary];
        [self presentModalViewController:statsPage animated:NO];
    } else {
        [self performSelector:@selector(presentModalViewController:animated:) withObject:statsPage afterDelay:3];
        stats = [[SDLUIKitDelegate sharedAppDelegate] startSDLgame:allDataNecessary];
    }

    if ([stats count] <= 1) {
        DLog(@"%@",stats);
        [statsPage dismissModalViewControllerAnimated:NO];
    } else {
        statsPage.statsArray = stats;
        [statsPage.tableView reloadData];
        [statsPage viewWillAppear:YES];
    }
    // reload needed because when ending game the entry remains there
    [self.tableView reloadData];
}

#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];
}

-(void) viewDidUnload {
    self.tableView = nil;
    self.listOfSavegames = nil;
    MSG_DIDUNLOAD();
    [super viewDidUnload];
}

-(void) dealloc {
    [tableView release];
    [listOfSavegames release];
    [super dealloc];
}

@end