//
//  DevicesListView.m
//  linphone
//
//  Created by Danmei Chen on 06/11/2018.
//

#import "DevicesListView.h"
#import "PhoneMainView.h"
#import "UIDevicesDetails.h"
#import "UIDeviceCell.h"

@implementation DevicesMenuEntry

- (id)initWithTitle:(LinphoneParticipant *)par number:(NSInteger)num {
    if ((self = [super init])) {
        participant = par;
        numberOfDevices = num;
    }
    return self;
}

@end

@implementation DevicesListView
#pragma mark - UICompositeViewDelegate Functions

static UICompositeViewDescription *compositeDescription = nil;

+ (UICompositeViewDescription *)compositeViewDescription {
    if (compositeDescription == nil) {
        compositeDescription = [[UICompositeViewDescription alloc] init:self.class
                                                              statusBar:StatusBarView.class
                                                                 tabBar:TabBarView.class
                                                               sideMenu:SideMenuView.class
                                                             fullscreen:false
                                                         isLeftFragment:NO
                                                           fragmentWith:ChatsListView.class];
    }
    return compositeDescription;
}

- (UICompositeViewDescription *)compositeViewDescription {
    return self.class.compositeViewDescription;
}

#pragma mark - ViewController Functions
- (void)viewWillAppear:(BOOL)animated {
    [super viewWillAppear:animated];
    _tableView.dataSource = self;
    _tableView.delegate    = self;
    _isOneToOne =  linphone_chat_room_get_capabilities(_room) & LinphoneChatRoomCapabilitiesOneToOne;
    bctbx_list_t *participants = linphone_chat_room_get_participants(_room);
    _devicesMenuEntries = [NSMutableArray array];

    if (_isOneToOne) {
        LinphoneParticipant *firstParticipant = participants ? (LinphoneParticipant *)participants->data : NULL;
        const LinphoneAddress *addr = firstParticipant ? linphone_participant_get_address(firstParticipant) : linphone_chat_room_get_peer_address(_room);
        [ContactDisplay setDisplayNameLabel:_addressLabel forAddress:addr];
        _devices = linphone_participant_get_devices(firstParticipant);
    } else {
        LinphoneParticipant *participant;
        for (int i=0; i<bctbx_list_size(participants); i++) {
            participant = (LinphoneParticipant *)bctbx_list_nth_data(participants,i);
            [_devicesMenuEntries
             addObject:[[DevicesMenuEntry alloc] initWithTitle:participant number:0]];
        }
       
        _addressLabel.text = [NSString stringWithUTF8String:linphone_chat_room_get_subject(_room) ?: LINPHONE_DUMMY_SUBJECT];
    }
    
    _addressLabel.text = [NSString stringWithFormat:@"%@'s devices", _addressLabel.text];
    _tableView.separatorStyle = UITableViewCellSeparatorStyleNone;
    [_tableView reloadData];
}

#pragma mark - Action Functions
- (IBAction)onBackClick:(id)sender {
    ChatConversationView *view = VIEW(ChatConversationView);
    [PhoneMainView.instance popToView:view.compositeViewDescription];
}

#pragma mark - TableView

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
    return 1;
}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
    
    return _isOneToOne ? bctbx_list_size(_devices) : [_devicesMenuEntries count];
}

- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(nonnull NSIndexPath *)indexPath
{
    if (!_isOneToOne) {
       DevicesMenuEntry *entry = [_devicesMenuEntries objectAtIndex:indexPath.row];
        return entry->numberOfDevices > 1 ? (entry->numberOfDevices + 1) * 56.0 : 56.0;
    }
    return 56.0;
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
    if (_isOneToOne) {
        NSString *kCellId = NSStringFromClass(UIDeviceCell.class);
        UIDeviceCell *cell = [tableView dequeueReusableCellWithIdentifier:kCellId];
        
        if (cell == nil) {
            cell = [[UIDeviceCell alloc] initWithIdentifier:kCellId];
        }
        LinphoneParticipantDevice *device = (LinphoneParticipantDevice *)bctbx_list_nth_data(_devices, (int)[indexPath row]);
        cell.device = device;
        cell.isOneToOne = TRUE;
        [cell update];

        return cell;
    }

    NSString *kCellId = NSStringFromClass(UIDevicesDetails.class);
    UIDevicesDetails *cell = [tableView dequeueReusableCellWithIdentifier:kCellId];
        
    if (cell == nil) {
        cell = [[UIDevicesDetails alloc] initWithIdentifier:kCellId];
    }
    
    DevicesMenuEntry *entry = [_devicesMenuEntries objectAtIndex:indexPath.row];
        
    [ContactDisplay setDisplayNameLabel:cell.addressLabel forAddress:linphone_participant_get_address(entry->participant)];
    cell.participant = entry->participant;
    [cell update:(entry->numberOfDevices != 0)];

    return cell;
}

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
    if (!_isOneToOne) {
        DevicesMenuEntry *entry = [_devicesMenuEntries objectAtIndex:indexPath.row];
        NSInteger num = (entry->numberOfDevices != 0) ? 0: bctbx_list_size(linphone_participant_get_devices(entry->participant));
        [_devicesMenuEntries replaceObjectAtIndex:indexPath.row withObject:[[DevicesMenuEntry alloc] initWithTitle:entry->participant number:num]];
        [_tableView reloadData];
    }
}

@end