//
//  KBAIReplyCell.m
//  keyBoard
//
//  Created by Mac on 2026/1/16.
//

#import "KBAIReplyCell.h"
#import "KBAIReplyModel.h"
#import "KBTopImageButton.h"
#import <Masonry/Masonry.h>
#import <SDWebImage/SDWebImage.h>

@interface KBAIReplyCell ()

@property(nonatomic, strong) UIImageView *avatarImageView;
@property(nonatomic, strong) UILabel *userNameLabel;
@property(nonatomic, strong) UILabel *contentLabel;
@property(nonatomic, strong) UILabel *timeLabel;
@property(nonatomic, strong) UIButton *replyButton;
@property(nonatomic, strong) KBTopImageButton *likeButton;

@end

@implementation KBAIReplyCell

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

    [self setupUI];
  }
  return self;
}

#pragma mark - UI Setup

- (void)setupUI {
  [self.contentView addSubview:self.avatarImageView];
  [self.contentView addSubview:self.userNameLabel];
  [self.contentView addSubview:self.contentLabel];
  [self.contentView addSubview:self.timeLabel];
  [self.contentView addSubview:self.replyButton];
  [self.contentView addSubview:self.likeButton];

  // 左侧缩进（对齐一级评论内容）
  [self.avatarImageView mas_makeConstraints:^(MASConstraintMaker *make) {
    make.left.equalTo(self.contentView).offset(68); // 16 + 40 + 12 = 68
    make.top.equalTo(self.contentView).offset(8);
    make.width.height.mas_equalTo(28);
  }];

  [self.userNameLabel mas_makeConstraints:^(MASConstraintMaker *make) {
    make.left.equalTo(self.avatarImageView.mas_right).offset(8);
    make.top.equalTo(self.avatarImageView);
    make.right.equalTo(self.contentView).offset(-50);
  }];

  [self.timeLabel mas_makeConstraints:^(MASConstraintMaker *make) {
    make.left.equalTo(self.userNameLabel);
    make.top.equalTo(self.contentLabel.mas_bottom).offset(6);
    make.bottom.equalTo(self.contentView).offset(-8).priority(MASLayoutPriorityDefaultHigh);
  }];

  [self.replyButton mas_makeConstraints:^(MASConstraintMaker *make) {
    make.left.equalTo(self.timeLabel.mas_right).offset(16);
    make.centerY.equalTo(self.timeLabel);
  }];

  [self.likeButton mas_makeConstraints:^(MASConstraintMaker *make) {
    make.right.equalTo(self.contentView).offset(-16);
    make.top.equalTo(self.contentView).offset(8);
    make.width.mas_equalTo(30);
    make.height.mas_equalTo(30);
  }];
    
    [self.contentLabel mas_makeConstraints:^(MASConstraintMaker *make) {
      make.left.equalTo(self.userNameLabel);
      make.top.equalTo(self.userNameLabel.mas_bottom).offset(4);
      make.right.equalTo(self.likeButton.mas_left).offset(-5);
    }];
}

#pragma mark - Configuration

- (void)configureWithReply:(KBAIReplyModel *)reply {
  [self.avatarImageView
      sd_setImageWithURL:[NSURL URLWithString:reply.avatarUrl]
        placeholderImage:[UIImage imageNamed:@"default_avatar"]];

  // 用户名（如果有回复对象，显示 "用户名 回复 @被回复用户"）
  if (reply.replyToUserName.length > 0) {
    NSMutableAttributedString *attrName = [[NSMutableAttributedString alloc] init];
    
    NSDictionary *nameAttrs = @{
      NSFontAttributeName : [UIFont systemFontOfSize:13 weight:UIFontWeightMedium],
      NSForegroundColorAttributeName : [UIColor secondaryLabelColor]
    };
    [attrName appendAttributedString:[[NSAttributedString alloc]
                                         initWithString:reply.userName
                                             attributes:nameAttrs]];
    
    NSDictionary *replyAttrs = @{
      NSFontAttributeName : [UIFont systemFontOfSize:13],
      NSForegroundColorAttributeName : [UIColor secondaryLabelColor]
    };
    [attrName appendAttributedString:[[NSAttributedString alloc]
                                         initWithString:@" 回复 "
                                             attributes:replyAttrs]];
    
    NSDictionary *toUserAttrs = @{
      NSFontAttributeName : [UIFont systemFontOfSize:13],
      NSForegroundColorAttributeName : [UIColor systemBlueColor]
    };
    [attrName appendAttributedString:[[NSAttributedString alloc]
                                         initWithString:[NSString stringWithFormat:@"@%@", reply.replyToUserName]
                                             attributes:toUserAttrs]];
    
    self.userNameLabel.attributedText = attrName;
  } else {
    self.userNameLabel.attributedText = nil;
    self.userNameLabel.text = reply.userName;
  }

  // 评论内容
  self.contentLabel.text = reply.content;

  // 时间
  self.timeLabel.text = [reply formattedTime];

  // 点赞
  NSString *likeText = reply.likeCount > 0 ? [self formatLikeCount:reply.likeCount] : @"";
  self.likeButton.textLabel.text = likeText;

  UIImage *likeImage = reply.isLiked ? [UIImage systemImageNamed:@"heart.fill"]
                                     : [UIImage systemImageNamed:@"heart"];
  self.likeButton.iconView.image = likeImage;
  self.likeButton.iconView.tintColor = reply.isLiked ? [UIColor systemRedColor] : [UIColor grayColor];
}

- (NSString *)formatLikeCount:(NSInteger)count {
  if (count >= 10000) {
    return [NSString stringWithFormat:@"%.1fw", count / 10000.0];
  } else if (count >= 1000) {
    return [NSString stringWithFormat:@"%.1fk", count / 1000.0];
  }
  return [NSString stringWithFormat:@"%ld", (long)count];
}

#pragma mark - Actions

- (void)likeButtonTapped {
  if (self.onLikeAction) {
    self.onLikeAction();
  }
}

- (void)replyButtonTapped {
  if (self.onReplyAction) {
    self.onReplyAction();
  }
}

#pragma mark - Lazy Loading

- (UIImageView *)avatarImageView {
  if (!_avatarImageView) {
    _avatarImageView = [[UIImageView alloc] init];
    _avatarImageView.contentMode = UIViewContentModeScaleAspectFill;
    _avatarImageView.layer.cornerRadius = 14;
    _avatarImageView.layer.masksToBounds = YES;
    _avatarImageView.backgroundColor = [UIColor systemGray5Color];
  }
  return _avatarImageView;
}

- (UILabel *)userNameLabel {
  if (!_userNameLabel) {
    _userNameLabel = [[UILabel alloc] init];
    _userNameLabel.font = [UIFont systemFontOfSize:13 weight:UIFontWeightMedium];
    _userNameLabel.textColor = [UIColor secondaryLabelColor];
    _userNameLabel.numberOfLines = 0;
  }
  return _userNameLabel;
}

- (UILabel *)contentLabel {
  if (!_contentLabel) {
    _contentLabel = [[UILabel alloc] init];
    _contentLabel.font = [UIFont systemFontOfSize:14];
    _contentLabel.textColor = [UIColor labelColor];
    _contentLabel.numberOfLines = 0;
  }
  return _contentLabel;
}

- (UILabel *)timeLabel {
  if (!_timeLabel) {
    _timeLabel = [[UILabel alloc] init];
    _timeLabel.font = [UIFont systemFontOfSize:11];
    _timeLabel.textColor = [UIColor secondaryLabelColor];
  }
  return _timeLabel;
}

- (UIButton *)replyButton {
  if (!_replyButton) {
    _replyButton = [UIButton buttonWithType:UIButtonTypeCustom];
    _replyButton.titleLabel.font = [UIFont systemFontOfSize:11];
    [_replyButton setTitle:@"回复" forState:UIControlStateNormal];
    [_replyButton setTitleColor:[UIColor secondaryLabelColor] forState:UIControlStateNormal];
    [_replyButton addTarget:self
                     action:@selector(replyButtonTapped)
           forControlEvents:UIControlEventTouchUpInside];
  }
  return _replyButton;
}

- (KBTopImageButton *)likeButton {
  if (!_likeButton) {
    _likeButton = [[KBTopImageButton alloc] init];
    _likeButton.iconSize = CGSizeMake(16, 16);
    _likeButton.spacing = 2;
    _likeButton.iconView.image = [UIImage systemImageNamed:@"heart"];
    _likeButton.iconView.tintColor = [UIColor grayColor];
    _likeButton.textLabel.font = [UIFont systemFontOfSize:10];
    _likeButton.textLabel.textColor = [UIColor grayColor];
    [_likeButton addTarget:self
                    action:@selector(likeButtonTapped)
          forControlEvents:UIControlEventTouchUpInside];
  }
  return _likeButton;
}

@end