/*

 * 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 "SchemeSettingsViewController.h"

#import "SingleSchemeViewController.h"

@implementation SchemeSettingsViewController

@synthesize listOfSchemes;

-(BOOL) shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation {

    return rotationManager(interfaceOrientation);

}

#pragma mark -

#pragma mark View lifecycle

-(void) viewDidLoad {

    [super viewDidLoad];

    UIBarButtonItem *editButton = [[UIBarButtonItem alloc] initWithTitle:NSLocalizedString(@"Edit",@"")

                                                                   style:UIBarButtonItemStyleBordered

                                                                  target:self

                                                                  action:@selector(toggleEdit:)];

    self.navigationItem.rightBarButtonItem = editButton;

    [editButton release];

    self.navigationItem.title = @"List of schemes";

}

-(void) viewWillAppear:(BOOL) animated {

    [super viewWillAppear:animated];

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

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

    self.listOfSchemes = array;

    [array release];

    [self.tableView reloadData];

}

// modifies the navigation bar to add the "Add" and "Done" buttons

-(void) toggleEdit:(id) sender {

    BOOL isEditing = self.tableView.editing;

    [self.tableView setEditing:!isEditing animated:YES];

    if (isEditing) {

        [self.navigationItem.rightBarButtonItem setTitle:NSLocalizedString(@"Edit",@"from the scheme panel")];

        [self.navigationItem.rightBarButtonItem setStyle: UIBarButtonItemStyleBordered];

        self.navigationItem.leftBarButtonItem = self.navigationItem.backBarButtonItem;

    } else {

        [self.navigationItem.rightBarButtonItem setTitle:NSLocalizedString(@"Done",@"from the scheme panel")];

        [self.navigationItem.rightBarButtonItem setStyle:UIBarButtonItemStyleDone];

        UIBarButtonItem *addButton = [[UIBarButtonItem alloc] initWithTitle:NSLocalizedString(@"Add",@"from the scheme panel")

                                                                      style:UIBarButtonItemStyleBordered

                                                                     target:self

                                                                     action:@selector(addScheme:)];

        self.navigationItem.leftBarButtonItem = addButton;

        [addButton release];

    }

}

-(void) addScheme:(id) sender {

    NSString *fileName = [[NSString alloc] initWithFormat:@"Scheme %u.plist", [self.listOfSchemes count]];

    [CreationChamber createSchemeNamed:[fileName stringByDeletingPathExtension]];

    [self.listOfSchemes addObject:fileName];

    // order the array alphabetically, so schemes will keep their position

    [self.listOfSchemes sortUsingSelector:@selector(compare:)];

    [self.tableView reloadData];

    NSInteger index = [self.listOfSchemes indexOfObject:fileName];

    [self.tableView scrollToRowAtIndexPath:[NSIndexPath indexPathForRow:index inSection:0] atScrollPosition:UITableViewScrollPositionMiddle animated:YES];

    [fileName release];

}

#pragma mark -

#pragma mark Table view data source

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

    return 1;

}

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

    return [self.listOfSchemes count];

}

-(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] autorelease];

    }

    NSUInteger row = [indexPath row];

    NSString *rowString = [[self.listOfSchemes objectAtIndex:row] stringByDeletingPathExtension];

    cell.textLabel.text = rowString;

    cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;

    return cell;

}

// delete the row and the file

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

    NSUInteger row = [indexPath row];

    NSString *schemeFile = [[NSString alloc] initWithFormat:@"%@/%@",SCHEMES_DIRECTORY(),[self.listOfSchemes objectAtIndex:row]];

    [[NSFileManager defaultManager] removeItemAtPath:schemeFile error:NULL];

    [schemeFile release];

    [self.listOfSchemes removeObjectAtIndex:row];

    [tableView deleteRowsAtIndexPaths:[NSArray arrayWithObject:indexPath] withRowAnimation:UITableViewRowAnimationFade];

}

#pragma mark -

#pragma mark Table view delegate

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

    if (childController == nil) {

        childController = [[SingleSchemeViewController alloc] initWithStyle:UITableViewStyleGrouped];

    }

    NSInteger row = [indexPath row];

    NSString *selectedSchemeFile = [self.listOfSchemes objectAtIndex:row];

    // this must be set so childController can load the correct plist

    childController.schemeName = [selectedSchemeFile stringByDeletingPathExtension];

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

    [self.navigationController pushViewController:childController animated:YES];

    [tableView deselectRowAtIndexPath:indexPath animated:YES];

}

#pragma mark -

#pragma mark Memory management

-(void)didReceiveMemoryWarning {

    [super didReceiveMemoryWarning];

    if (childController.view.superview == nil )

        childController = nil;

    MSG_MEMCLEAN();

}

-(void) viewDidUnload {

    self.listOfSchemes = nil;

    childController = nil;

    MSG_DIDUNLOAD();

    [super viewDidUnload];

}

-(void) dealloc {

    releaseAndNil(listOfSchemes);

    releaseAndNil(childController);

    [super dealloc];

}

@end