//
//  KBChatMessageCell.m
//  CustomKeyboard
//

#import "KBChatMessageCell.h"
#import "KBChatMessage.h"
#import "Masonry.h"

@interface KBChatMessageCell ()
@property (nonatomic, strong) UIImageView *avatarView;
@property (nonatomic, strong) UILabel *nameLabel;
@property (nonatomic, strong) UIView *bubbleView;
@property (nonatomic, strong) UILabel *messageLabel;
@property (nonatomic, strong) UIImageView *audioIconView;
@property (nonatomic, strong) UILabel *audioLabel;
@end

@implementation KBChatMessageCell

- (instancetype)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier {
    if (self = [super initWithStyle:style reuseIdentifier:reuseIdentifier]) {
        self.backgroundColor = [UIColor clearColor];
        self.contentView.backgroundColor = [UIColor clearColor];
        self.selectionStyle = UITableViewCellSelectionStyleNone;

        [self.contentView addSubview:self.avatarView];
        [self.contentView addSubview:self.nameLabel];
        [self.contentView addSubview:self.bubbleView];
        [self.bubbleView addSubview:self.messageLabel];
        [self.bubbleView addSubview:self.audioIconView];
        [self.bubbleView addSubview:self.audioLabel];
    }
    return self;
}

- (void)kb_configureWithMessage:(KBChatMessage *)message {
    BOOL outgoing = message.outgoing;
    BOOL audioMessage = (!outgoing && message.audioFilePath.length > 0);
    UIColor *bubbleColor = outgoing ? [UIColor colorWithHex:0x02BEAC] : [UIColor colorWithWhite:1 alpha:0.95];
    UIColor *textColor = outgoing ? [UIColor whiteColor] : [UIColor colorWithHex:0x1B1F1A];

    self.bubbleView.backgroundColor = bubbleColor;
    self.messageLabel.textColor = textColor;
    self.audioLabel.textColor = textColor;
    self.audioIconView.tintColor = textColor;
    self.messageLabel.text = message.text ?: @"";
    self.audioLabel.text =
        (message.text.length > 0) ? message.text : KBLocalized(@"语音回复");
    self.messageLabel.hidden = audioMessage;
    self.audioIconView.hidden = !audioMessage;
    self.audioLabel.hidden = !audioMessage;

    UIImage *avatarImage = message.avatarImage;
    if (!avatarImage) {
        avatarImage = [self kb_defaultAvatarImage];
    }
    self.avatarView.image = avatarImage;
    self.avatarView.backgroundColor =
        avatarImage ? [UIColor clearColor] : [UIColor colorWithWhite:0.9 alpha:1.0];
    self.nameLabel.hidden = outgoing;
    self.nameLabel.text =
        (message.displayName.length > 0) ? message.displayName : KBLocalized(@"AI助手");

    CGFloat avatarSize = 28.0;
    [self.avatarView mas_remakeConstraints:^(MASConstraintMaker *make) {
        make.width.height.mas_equalTo(avatarSize);
        make.top.equalTo(self.contentView.mas_top).offset(6);
        if (outgoing) {
            make.right.equalTo(self.contentView.mas_right).offset(-8);
        } else {
            make.left.equalTo(self.contentView.mas_left).offset(8);
        }
    }];

    if (outgoing) {
        [self.nameLabel mas_remakeConstraints:^(MASConstraintMaker *make) {
            make.top.equalTo(self.contentView.mas_top).offset(0);
            make.left.equalTo(self.contentView.mas_left);
        }];
    } else {
        [self.nameLabel mas_remakeConstraints:^(MASConstraintMaker *make) {
            make.left.equalTo(self.avatarView.mas_right).offset(6);
            make.top.equalTo(self.contentView.mas_top).offset(2);
            make.right.lessThanOrEqualTo(self.contentView.mas_right).offset(-12);
        }];
    }

    [self.bubbleView mas_remakeConstraints:^(MASConstraintMaker *make) {
        make.width.lessThanOrEqualTo(self.contentView.mas_width).multipliedBy(0.65);
        if (outgoing) {
            make.top.equalTo(self.contentView.mas_top).offset(6);
            make.bottom.equalTo(self.contentView.mas_bottom).offset(-6);
            make.right.equalTo(self.avatarView.mas_left).offset(-6);
        } else {
            make.top.equalTo(self.nameLabel.mas_bottom).offset(2);
            make.bottom.equalTo(self.contentView.mas_bottom).offset(-6);
            make.left.equalTo(self.avatarView.mas_right).offset(6);
            make.right.lessThanOrEqualTo(self.contentView.mas_right).offset(-12);
        }
    }];

    if (audioMessage) {
        [self.audioIconView mas_remakeConstraints:^(MASConstraintMaker *make) {
            make.left.equalTo(self.bubbleView.mas_left).offset(10);
            make.centerY.equalTo(self.bubbleView);
            make.width.height.mas_equalTo(16);
        }];
        [self.audioLabel mas_remakeConstraints:^(MASConstraintMaker *make) {
            make.left.equalTo(self.audioIconView.mas_right).offset(6);
            make.centerY.equalTo(self.bubbleView);
            make.right.equalTo(self.bubbleView.mas_right).offset(-10);
            make.top.greaterThanOrEqualTo(self.bubbleView.mas_top).offset(8);
            make.bottom.lessThanOrEqualTo(self.bubbleView.mas_bottom).offset(-8);
        }];
    } else {
        [self.messageLabel mas_remakeConstraints:^(MASConstraintMaker *make) {
            make.edges.equalTo(self.bubbleView).insets(UIEdgeInsetsMake(8, 10, 8, 10));
        }];
    }
}

#pragma mark - Lazy

- (UIImageView *)avatarView {
    if (!_avatarView) {
        _avatarView = [[UIImageView alloc] init];
        _avatarView.contentMode = UIViewContentModeScaleAspectFill;
        _avatarView.layer.cornerRadius = 14;
        _avatarView.layer.masksToBounds = YES;
        _avatarView.backgroundColor = [UIColor colorWithWhite:0.9 alpha:1.0];
        _avatarView.tintColor = [UIColor colorWithHex:0xB9BDC8];
    }
    return _avatarView;
}

- (UILabel *)nameLabel {
    if (!_nameLabel) {
        _nameLabel = [[UILabel alloc] init];
        _nameLabel.font = [UIFont systemFontOfSize:11];
        _nameLabel.textColor = [UIColor colorWithHex:0x6B6F7A];
        _nameLabel.numberOfLines = 1;
    }
    return _nameLabel;
}

- (UIView *)bubbleView {
    if (!_bubbleView) {
        _bubbleView = [[UIView alloc] init];
        _bubbleView.layer.cornerRadius = 12;
        _bubbleView.layer.masksToBounds = YES;
    }
    return _bubbleView;
}

- (UILabel *)messageLabel {
    if (!_messageLabel) {
        _messageLabel = [[UILabel alloc] init];
        _messageLabel.font = [UIFont systemFontOfSize:14];
        _messageLabel.numberOfLines = 0;
    }
    return _messageLabel;
}

- (UIImageView *)audioIconView {
    if (!_audioIconView) {
        _audioIconView = [[UIImageView alloc] init];
        _audioIconView.contentMode = UIViewContentModeScaleAspectFit;
        _audioIconView.tintColor = [UIColor colorWithHex:0x1B1F1A];
        UIImage *icon = nil;
        if (@available(iOS 13.0, *)) {
            icon = [UIImage systemImageNamed:@"waveform"];
        }
        _audioIconView.image = icon;
    }
    return _audioIconView;
}

- (UILabel *)audioLabel {
    if (!_audioLabel) {
        _audioLabel = [[UILabel alloc] init];
        _audioLabel.font = [UIFont systemFontOfSize:14 weight:UIFontWeightMedium];
        _audioLabel.numberOfLines = 1;
    }
    return _audioLabel;
}

- (UIImage *)kb_defaultAvatarImage {
    if (@available(iOS 13.0, *)) {
        return [UIImage systemImageNamed:@"person.circle.fill"];
    }
    return nil;
}

@end