/*

 Controller to specify application wide settings

 Copyright 2013 Thincast Technologies GmbH, Author: Martin Fleisz

 This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0. 

 If a copy of the MPL was not distributed with this file, You can obtain one at http://mozilla.org/MPL/2.0/.

 */

#import "AppSettingsController.h"

#import "Utils.h"

#import "Toast+UIView.h"

@implementation AppSettingsController

// keep this up-to-date for correct section display/hidding

#define SECTION_UI_SETTINGS 0

#define SECTION_CERTIFICATE_HANDLING_SETTINGS 1

#define SECTION_NUM_SECTIONS 2

#pragma mark -

#pragma mark Initialization

- (id)initWithStyle:(UITableViewStyle)style

{

    if ((self = [super initWithStyle:style])) 

	{                   

        UIImage* tabBarIcon = [UIImage imageWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"tabbar_icon_settings" ofType:@"png"]];

        [self setTabBarItem:[[[UITabBarItem alloc] initWithTitle:NSLocalizedString(@"Settings", @"Tabbar item settings") image:tabBarIcon tag:0] autorelease]];

    }

    return self;

}

#pragma mark -

#pragma mark View lifecycle

- (void)viewDidLoad {

    [super viewDidLoad];

    // set title

    [self setTitle:NSLocalizedString(@"Settings", @"App Settings title")];

}

- (void)viewWillDisappear:(BOOL)animated {

    [super viewWillDisappear:animated];

}

// Override to allow orientations other than the default portrait orientation.

- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation {

    return YES;

}

- (void)dealloc {

    [[NSNotificationCenter defaultCenter] removeObserver:self];

    [super dealloc];

}

#pragma mark -

#pragma mark Table view data source

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

    // Return the number of sections.

    return SECTION_NUM_SECTIONS;

}

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

    // Return the number of rows in the section.

	switch (section)    

	{

        case SECTION_UI_SETTINGS: // UI settings

            return 5;

        case SECTION_CERTIFICATE_HANDLING_SETTINGS: // certificate handling settings

            return 2;

		default:

			break;

	}

    return 0;

}

// set section headers

- (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section

{

	switch(section)

	{

        case SECTION_UI_SETTINGS:

			return NSLocalizedString(@"User Interface", @"UI settings section title");

        case SECTION_CERTIFICATE_HANDLING_SETTINGS:

			return NSLocalizedString(@"Server Certificate Handling", @"Server Certificate Handling section title");

        default:

			return nil;

	}

	return @"unknown";

}

// Customize the appearance of table view cells.

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

	// determine the required cell type

	NSString* cellIdentifier = nil;

	switch([indexPath section])

	{

        case SECTION_UI_SETTINGS:

        {

            switch([indexPath row])

            {

                case 0:

                case 1:

                case 2:

                case 3:

                case 4:

                    cellIdentifier = TableCellIdentifierYesNo;

                    break;

            }

            break;

        }

        case SECTION_CERTIFICATE_HANDLING_SETTINGS:

        {

            switch([indexPath row])

            {

                case 0:

                    cellIdentifier = TableCellIdentifierYesNo;

                    break;

                case 1:

                    cellIdentifier = TableCellIdentifierSubEditor;

                    break;

            }

            break;

        }

	}	

	NSAssert(cellIdentifier != nil, @"Couldn't determine cell type");	

	// get the table view cell

	UITableViewCell *cell = [self tableViewCellFromIdentifier:cellIdentifier];

	NSAssert(cell, @"Invalid cell");	

	// set cell values

	switch([indexPath section]) 

	{		

        case SECTION_UI_SETTINGS:

            [self initUISettings:indexPath cell:cell];

            break;

        case SECTION_CERTIFICATE_HANDLING_SETTINGS:

            [self initCertificateHandlingSettings:indexPath cell:cell];

            break;      

		default:

			break;

	}	

    return cell;

}

#pragma mark - Initialization helpers

// updates UI settings in the UI

- (void)initUISettings:(NSIndexPath*)indexPath cell:(UITableViewCell*)cell

{

	switch([indexPath row]) 

	{

		case 0:

        {

            EditFlagTableViewCell* flagCell = (EditFlagTableViewCell*)cell;            

            [[flagCell label] setText:NSLocalizedString(@"Hide Status Bar", "Show/Hide Phone Status Bar setting")];

            [[flagCell toggle] setTag:GET_TAG_FROM_PATH(indexPath)];

            [[flagCell toggle] setOn:[[NSUserDefaults standardUserDefaults] boolForKey:@"ui.hide_status_bar"]];

            [[flagCell toggle] addTarget:self action:@selector(toggleSettingValue:) forControlEvents:UIControlEventValueChanged];

			break;            

        }

		case 1:

        {

            EditFlagTableViewCell* flagCell = (EditFlagTableViewCell*)cell;

            [[flagCell label] setText:NSLocalizedString(@"Hide Tool Bar", "Show/Hide Tool Bar setting")];

            [[flagCell toggle] setTag:GET_TAG_FROM_PATH(indexPath)];

            [[flagCell toggle] setOn:[[NSUserDefaults standardUserDefaults] boolForKey:@"ui.hide_tool_bar"]];

            [[flagCell toggle] addTarget:self action:@selector(toggleSettingValue:) forControlEvents:UIControlEventValueChanged];

			break;

        }

		case 2:

        {

            EditFlagTableViewCell* flagCell = (EditFlagTableViewCell*)cell;            

            [[flagCell label] setText:NSLocalizedString(@"Swap Mouse Buttons", "Swap Mouse Button UI setting")];

            [[flagCell toggle] setTag:GET_TAG_FROM_PATH(indexPath)];

            [[flagCell toggle] setOn:[[NSUserDefaults standardUserDefaults] boolForKey:@"ui.swap_mouse_buttons"]];

            [[flagCell toggle] addTarget:self action:@selector(toggleSettingValue:) forControlEvents:UIControlEventValueChanged];

			break;            

        }

		case 3:

        {

            EditFlagTableViewCell* flagCell = (EditFlagTableViewCell*)cell;            

            [[flagCell label] setText:NSLocalizedString(@"Invert Scrolling", "Invert Scrolling UI setting")];

            [[flagCell toggle] setTag:GET_TAG_FROM_PATH(indexPath)];

            [[flagCell toggle] setOn:[[NSUserDefaults standardUserDefaults] boolForKey:@"ui.invert_scrolling"]];

            [[flagCell toggle] addTarget:self action:@selector(toggleSettingValue:) forControlEvents:UIControlEventValueChanged];

			break;            

        }

		case 4:

        {

            EditFlagTableViewCell* flagCell = (EditFlagTableViewCell*)cell;            

            [[flagCell label] setText:NSLocalizedString(@"Touch Pointer Auto Scroll", "Touch Pointer Auto Scroll UI setting")];

            [[flagCell toggle] setTag:GET_TAG_FROM_PATH(indexPath)];

            [[flagCell toggle] setOn:[[NSUserDefaults standardUserDefaults] boolForKey:@"ui.auto_scroll_touchpointer"]];

            [[flagCell toggle] addTarget:self action:@selector(toggleSettingValue:) forControlEvents:UIControlEventValueChanged];

			break;            

        }

		default:

			NSLog(@"Invalid row index in settings table!");

			break;

	}

}

// updates certificate handling settings in the UI

- (void)initCertificateHandlingSettings:(NSIndexPath*)indexPath cell:(UITableViewCell*)cell

{

	switch([indexPath row]) 

	{

		case 0:

        {

            EditFlagTableViewCell* flagCell = (EditFlagTableViewCell*)cell;            

            [[flagCell label] setText:NSLocalizedString(@"Accept all Certificates", "Accept All Certificates setting")];

            [[flagCell toggle] setTag:GET_TAG_FROM_PATH(indexPath)];

            [[flagCell toggle] setOn:[[NSUserDefaults standardUserDefaults] boolForKey:@"security.accept_certificates"]];

            [[flagCell toggle] addTarget:self action:@selector(toggleSettingValue:) forControlEvents:UIControlEventValueChanged];

			break;            

        }

		case 1:

        {

            EditSubEditTableViewCell* subCell = (EditSubEditTableViewCell*)cell;

            [[subCell label] setText:NSLocalizedString(@"Erase Certificate Cache", @"Erase certificate cache button")];

            break;                        

        }            

		default:

			NSLog(@"Invalid row index in settings table!");

			break;

	}

}

#pragma mark -

#pragma mark Table view delegate

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

    // deselect any row to fake a button-pressed like effect

    [tableView deselectRowAtIndexPath:indexPath animated:YES];

    // ensure everything is stored in our settings before we proceed

    [[self view] endEditing:NO];

    // clear certificate cache

    if([indexPath section] == SECTION_CERTIFICATE_HANDLING_SETTINGS && [indexPath row] == 1)

    {

        // delete certificates cache

        NSError* err;

        if ([[NSFileManager defaultManager] removeItemAtPath:[[NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) lastObject] stringByAppendingPathComponent:@"/.freerdp"] error:&err])

            [[self view] makeToast:NSLocalizedString(@"Certificate Cache cleared!", @"Clear Certificate cache success message") duration:ToastDurationNormal position:@"center"];

        else

            [[self view] makeToast:NSLocalizedString(@"Error clearing the Certificate Cache!", @"Clear Certificate cache failed message") duration:ToastDurationNormal position:@"center"];

    }

}

#pragma mark -

#pragma mark Action Handlers

- (void)toggleSettingValue:(id)sender

{

    UISwitch* valueSwitch = (UISwitch*)sender;

    switch([valueSwitch tag])

    {

        case GET_TAG(SECTION_UI_SETTINGS, 0):

            [[NSUserDefaults standardUserDefaults] setBool:[valueSwitch isOn] forKey:@"ui.hide_status_bar"];

            break;

        case GET_TAG(SECTION_UI_SETTINGS, 1):

            [[NSUserDefaults standardUserDefaults] setBool:[valueSwitch isOn] forKey:@"ui.hide_tool_bar"];

            break;

        case GET_TAG(SECTION_UI_SETTINGS, 2):

            [[NSUserDefaults standardUserDefaults] setBool:[valueSwitch isOn] forKey:@"ui.swap_mouse_buttons"];

            SetSwapMouseButtonsFlag([valueSwitch isOn]);

            break;

        case GET_TAG(SECTION_UI_SETTINGS, 3):

            [[NSUserDefaults standardUserDefaults] setBool:[valueSwitch isOn] forKey:@"ui.invert_scrolling"];

            SetInvertScrollingFlag([valueSwitch isOn]);

            break;

        case GET_TAG(SECTION_UI_SETTINGS, 4):

            [[NSUserDefaults standardUserDefaults] setBool:[valueSwitch isOn] forKey:@"ui.auto_scroll_touchpointer"];

            SetInvertScrollingFlag([valueSwitch isOn]);

            break;

        case GET_TAG(SECTION_CERTIFICATE_HANDLING_SETTINGS, 0):

            [[NSUserDefaults standardUserDefaults] setBool:[valueSwitch isOn] forKey:@"security.accept_certificates"];

            break;

        default:

            break;

    }    

}

@end