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

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

#import "SegmentedViewController.h"

@class Contact;
@class RoomParticipantsViewController;
@class AnalyticsScreenTracker;

/**
 `RoomParticipantsViewController` delegate.
 */
@protocol RoomParticipantsViewControllerDelegate <NSObject>

/**
 Tells the delegate that the user wants to mention a room member.
 
 @discussion the `RoomParticipantsViewController` instance is withdrawn automatically.
 
 @param roomParticipantsViewController the `RoomParticipantsViewController` instance.
 @param member the room member to mention.
 */
- (void)roomParticipantsViewController:(RoomParticipantsViewController *)roomParticipantsViewController mention:(MXRoomMember*)member;

@end

/**
 'RoomParticipantsViewController' instance is used to edit members of the room defined by the property 'mxRoom'.
 When this property is nil, the view controller is empty.
 */
@interface RoomParticipantsViewController : MXKViewController <UITableViewDelegate, UITableViewDataSource, UISearchBarDelegate, UIGestureRecognizerDelegate, MXKRoomMemberDetailsViewControllerDelegate>
{
@protected
    /**
     Section indexes
     */
    NSInteger participantsSection;
    NSInteger invitedSection;
    NSInteger adminSection;
    NSInteger modSection;
    
    /**
     The current list of joined members.
     */
    NSMutableArray<Contact*> *actualParticipants;
    
    /**
     The current list of invited members.
     */
    NSMutableArray<Contact*> *invitedParticipants;
    
    /**
     The current list of joined members.
     */
    NSMutableArray<Contact*> *adminParticipants;
    
    /**
     The current list of joined members.
     */
    NSMutableArray<Contact*> *modParticipants;
    
    /**
     The contact used to describe the current user (nil if the user is not a participant of the room).
     */
    Contact *userParticipant;
}

@property (weak, nonatomic) IBOutlet UITableView *tableView;
@property (weak, nonatomic) IBOutlet UIView *searchBarHeader;
@property (weak, nonatomic) IBOutlet UISearchBar *searchBarView;
@property (weak, nonatomic) IBOutlet UIView *searchBarHeaderBorder;

@property (weak, nonatomic) IBOutlet NSLayoutConstraint *searchBarTopConstraint;

/**
 A matrix room (nil by default).
 */
@property (nonatomic) MXRoom *mxRoom;

/**
 The ID of the parent space. `nil` for home space
 */
@property (nonatomic) NSString *parentSpaceId;

/**
 Enable mention option in member details view. NO by default
 */
@property (nonatomic) BOOL enableMention;

@property (nonatomic) BOOL showCancelBarButtonItem;
@property (nonatomic) BOOL showParticipantCustomAccessoryView;
@property (nonatomic) BOOL showInviteUserFab;

/**
 The delegate for the view controller.
 */
@property (nonatomic, weak) id<RoomParticipantsViewControllerDelegate> delegate;

/**
 The screen timer used for analytics if they've been enabled. The default value is nil.
 */
@property (nonatomic) AnalyticsScreenTracker *screenTracker;

/**
 Returns the `UINib` object initialized for a `RoomParticipantsViewController`.
 
 @return The initialized `UINib` object or `nil` if there were errors during initialization
 or the nib file could not be located.
 */
+ (UINib *)nib;

/**
 Creates and returns a new `RoomParticipantsViewController` object.
 
 @discussion This is the designated initializer for programmatic instantiation.
 @return An initialized `RoomParticipantsViewController` object if successful, `nil` otherwise.
 */
+ (instancetype)roomParticipantsViewController;

@end