/*
 Copyright 2015 OpenMarket Ltd
 Copyright 2017 Vector Creations Ltd
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at
 
 http://www.apache.org/licenses/LICENSE-2.0
 
 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 */

#import "RecentTableViewCell.h"

#import "AvatarGenerator.h"

#import "MXEvent.h"
#import "MXRoom+Riot.h"

#import "ThemeService.h"
#import "GeneratedInterface-Swift.h"

#import "MXRoomSummary+Riot.h"

@implementation RecentTableViewCell

#pragma mark - Class methods

- (void)awakeFromNib
{
    [super awakeFromNib];
    
    // Initialize unread count badge
    [_missedNotifAndUnreadBadgeBgView.layer setCornerRadius:10];
    _missedNotifAndUnreadBadgeBgViewWidthConstraint.constant = 0;
    
    // bwi: 5203 add federation icon
    self.federationImage = FederationIconHelper.shared.federationBadgeImage;
    self.federationImageView = [[UIImageView alloc] initWithImage:self.federationImage];
    self.federationImageView.translatesAutoresizingMaskIntoConstraints = NO;
    self.federationImageView.contentMode = UIViewContentModeScaleAspectFit;
    [self.contentView addSubview:self.federationImageView];
    
    // scale and new with federation icon
    float scaleFactor = ((self.roomAvatar.frame.size.height * 0.34) / self.federationImage.size.height);
    float imageWidth = scaleFactor * self.federationImage.size.width;
    // offset federation icon    
    float offsetTrailing = 3 * scaleFactor;
    float offsetBotom = 1;

    
    [self.federationImageView.bottomAnchor constraintEqualToAnchor:self.roomAvatar.bottomAnchor constant:offsetBotom].active = YES;
    [self.federationImageView.trailingAnchor constraintEqualToAnchor:self.roomAvatar.trailingAnchor constant:offsetTrailing].active = YES;
    [self.federationImageView.heightAnchor constraintEqualToConstant:(self.roomAvatar.frame.size.height * 0.34)].active = YES;
    [self.federationImageView.widthAnchor constraintEqualToConstant:imageWidth].active = YES;
}

- (void)customizeTableViewCellRendering
{
    [super customizeTableViewCellRendering];
    
    self.contentView.backgroundColor = ThemeService.shared.theme.backgroundColor;
    self.roomTitle.textColor = ThemeService.shared.theme.textPrimaryColor;
    self.lastEventDescription.textColor = ThemeService.shared.theme.textSecondaryColor;
    self.lastEventDate.textColor = ThemeService.shared.theme.textSecondaryColor;
    self.missedNotifAndUnreadBadgeLabel.textColor = ThemeService.shared.theme.baseTextPrimaryColor;
    self.presenceIndicatorView.borderColor = ThemeService.shared.theme.backgroundColor;
    
    self.roomAvatar.defaultBackgroundColor = [UIColor clearColor];
}

- (void)layoutSubviews
{
    [super layoutSubviews];
    
    // Round image view
    [_roomAvatar.layer setCornerRadius:_roomAvatar.frame.size.width / 2];
    _roomAvatar.clipsToBounds = YES;
    
    // bwi: 5203 add federation icon
    self.federationImage = FederationIconHelper.shared.federationBadgeImage;
    self.federationImageView.image = self.federationImage;
}

- (void)render:(MXKCellData *)cellData
{
    // Hide by default missed notifications and unread widgets
    self.missedNotifAndUnreadIndicator.hidden = YES;
    self.missedNotifAndUnreadBadgeBgView.hidden = YES;
    self.missedNotifAndUnreadBadgeBgViewWidthConstraint.constant = 0;
    self.missedNotifAndUnreadBadgeLabel.text = @"";
    
    roomCellData = (id<MXKRecentCellDataStoring>)cellData;
    if (roomCellData)
    {
        
        // bwi: 5203 add federation icon
        if (BWIBuildSettings.shared.isFederationEnabled)
        {
            MXRoom *room = [roomCellData.mxSession roomWithRoomId:roomCellData.roomSummary.roomId];
            if (room.isPersonalNotesRoom)
            {
                self.federationImageView.hidden = YES;
            }
            else
            {
                if (room.isDirect)
                {
                    if (room.isDMFederated)
                    {
                        self.federationImageView.hidden = NO;
                    }
                    else
                    {
                        self.federationImageView.hidden = YES;
                    }
                }
                else if (room.isRoomFederated)
                {
                    self.federationImageView.hidden = NO;
                }
                else
                {
                    self.federationImageView.hidden = YES;
                }
            }
        }
        else
        {
            self.federationImageView.hidden = YES;
        }
        
        // Report computed values as is
        self.roomTitle.text = roomCellData.roomDisplayname;
        self.lastEventDate.text = roomCellData.lastEventDate;
        
        // Manage lastEventAttributedTextMessage optional property
        if (!roomCellData.roomSummary.spaceChildInfo && [roomCellData respondsToSelector:@selector(lastEventAttributedTextMessage)])
        {
            // Attempt to correct the attributed string colors to match the current theme
            self.lastEventDescription.attributedText = [roomCellData.lastEventAttributedTextMessage fixForegroundColor];
        }
        else
        {
            self.lastEventDescription.text = roomCellData.lastEventTextMessage;
        }

        self.unsentImageView.hidden = roomCellData.roomSummary.sentStatus == MXRoomSummarySentStatusOk;
        self.lastEventDecriptionLabelTrailingConstraint.constant = self.unsentImageView.hidden ? 10 : 30;

        // Notify unreads and bing
        if (roomCellData.isRoomMarkedAsUnread)
        {
            self.missedNotifAndUnreadBadgeBgView.hidden = NO;
            self.missedNotifAndUnreadBadgeBgView.backgroundColor = ThemeService.shared.theme.tintColor;
            self.missedNotifAndUnreadBadgeBgViewWidthConstraint.constant = 20;
        }
        else if (roomCellData.hasUnread)
        {
            self.missedNotifAndUnreadIndicator.hidden = NO;
            if (0 < roomCellData.notificationCount)
            {
                if( [BWIBuildSettings.shared showMentionsInRoom] ) {
                    self.missedNotifAndUnreadIndicator.backgroundColor = [Mentions countMentionsWithRoomID:roomCellData.roomIdentifier] > 0 ? ThemeService.shared.theme.noticeColor : ThemeService.shared.theme.noticeSecondaryColor;
                } else {
                    self.missedNotifAndUnreadIndicator.backgroundColor = roomCellData.highlightCount ? ThemeService.shared.theme.noticeColor : ThemeService.shared.theme.noticeSecondaryColor;
                }

                self.missedNotifAndUnreadBadgeBgView.hidden = NO;
                self.missedNotifAndUnreadBadgeBgView.backgroundColor = self.missedNotifAndUnreadIndicator.backgroundColor;

                self.missedNotifAndUnreadBadgeLabel.text = roomCellData.notificationCountStringValue;
                [self.missedNotifAndUnreadBadgeLabel sizeToFit];

                self.missedNotifAndUnreadBadgeBgViewWidthConstraint.constant = self.missedNotifAndUnreadBadgeLabel.frame.size.width + 18;
            }
            else
            {
                self.missedNotifAndUnreadIndicator.backgroundColor = ThemeService.shared.theme.unreadRoomIndentColor;
            }

            // Use bold font for the room title
            self.roomTitle.font = [UIFont systemFontOfSize:17 weight:UIFontWeightBold];
        }
        else
        {
            self.lastEventDate.textColor = ThemeService.shared.theme.textSecondaryColor;

            // The room title is not bold anymore
            self.roomTitle.font = [UIFont systemFontOfSize:17 weight:UIFontWeightMedium];
        }

        // bwi: if the room is a personal notes room a local image is used as room avatar
        PersonalNotesDefaultService *service = [[PersonalNotesDefaultService alloc] initWithMxSession:roomCellData.mxSession];
        if (BWIBuildSettings.shared.bwiUseCustomPersonalNotesAvatar && [roomCellData.roomIdentifier isEqualToString:[service personalNotesRoomId]]) {
            self.roomAvatar.image = [UIImage imageNamed:[service avatarImageUrl]];
        } else {
            [self.roomAvatar vc_setRoomAvatarImageWith:roomCellData.avatarUrl
                                                roomId:roomCellData.roomIdentifier
                                           displayName:roomCellData.roomDisplayname
                                          mediaManager:roomCellData.mxSession.mediaManager];
        }

        if (roomCellData.directUserId)
        {
            [self.presenceIndicatorView configureWithUserId:roomCellData.directUserId presence:roomCellData.presence];
        }
        else
        {
            [self.presenceIndicatorView stopListeningPresenceUpdates];
        }
    }
    else
    {
        self.lastEventDescription.text = @"";
    }
}

- (void)prepareForReuse
{
    [super prepareForReuse];

    [self.presenceIndicatorView stopListeningPresenceUpdates];
}

+ (CGFloat)heightForCellData:(MXKCellData *)cellData withMaximumWidth:(CGFloat)maxWidth
{
    // The height is fixed
    return 74;
}

@end