/*
Copyright 2024 New Vector Ltd.
Copyright 2017 Vector Creations Ltd
Copyright 2015 OpenMarket Ltd

SPDX-License-Identifier: AGPL-3.0-only
Please see LICENSE in the repository root for full details.
*/

#import <MatrixSDK/MatrixSDK.h>

#import "UIViewController+RiotSearch.h"
#import "MatrixKit.h"

/**
 This view controller manages several uiviewcontrollers like UISegmentedController manages uiTableView
 except that the managed items are custom UIViewControllers.
 It uses a Vector design.
 */
@interface SegmentedViewController : MXKViewController

#pragma mark - Class methods
@property (weak, nonatomic) IBOutlet UIView *selectionContainer;
@property (weak, nonatomic) IBOutlet NSLayoutConstraint *selectionContainerTopConstraint;
@property (weak, nonatomic) IBOutlet NSLayoutConstraint *selectionContainerHeightConstraint;
@property (weak, nonatomic) IBOutlet UIView *viewControllerContainer;

/**
 The index of the view controller that currently has the focus.
 */
@property (nonatomic) NSUInteger selectedIndex;

/**
 The tint color for the section header (ThemeService.shared.theme.accent by default).
 */
@property (nonatomic) UIColor *sectionHeaderTintColor;

/**
 The view controller that currently has the focus.
 */
@property (nonatomic, readonly) UIViewController *selectedViewController;

/**
 The view controllers managed by this SegmentedViewController instance.
 */
@property (nonatomic, readonly) NSArray<UIViewController*> *viewControllers;

/**
 Returns the `UINib` object initialized for a `SegmentedViewController`.

 @return The initialized `UINib` object or `nil` if there were errors during initialization
 or the nib file could not be located.
 
 @discussion You may override this method to provide a customized nib. If you do,
 you should also override `SegmentedViewController` to return your
 view controller loaded from your custom nib.
 */
+ (UINib *)nib;

/**
 Creates and returns a new `SegmentedViewController` object.

 @discussion This is the designated initializer for programmatic instantiation.
 @return An initialized `SegmentedViewController` object if successful, `nil` otherwise.
 */
+ (instancetype)segmentedViewController;

/**
 init the segmentedViewController with a list of UIViewControllers.
 The subviewcontrollers must implement didMoveToParentViewController to display the navbar button.
 
 @discussion: the segmentedViewController gets the ownership of the provided arrays and their content.
 
 @param titles the section tiles
 @param viewControllers the list of viewControllers to display.
 @param defaultSelected index of the default selected UIViewController in the list.
 */
- (void)initWithTitles:(NSArray*)titles viewControllers:(NSArray*)viewControllers defaultSelected:(NSUInteger)defaultSelected;

/**
 Callback used to take into account the change of the user interface theme.
 */
- (void)userInterfaceThemeDidChange;

@end