//
//  NewMomentCell.m
//  YuMi
//
//  Created by AI on 2025-10-09.
//  Copyright © 2025 YuMi. All rights reserved.
//

#import "EPMomentCell.h"
#import "MomentsInfoModel.h"
#import "AccountInfoStorage.h"
#import "Api+Moments.h"
#import "NetImageView.h"
#import "EPEmotionColorStorage.h"

@interface EPMomentCell ()

// MARK: - UI Components

/// 卡片容器
@property (nonatomic, strong) UIView *cardView;

/// 头像（网络）
@property (nonatomic, strong) NetImageView *avatarImageView;

/// 用户名
@property (nonatomic, strong) UILabel *nameLabel;

/// 时间标签
@property (nonatomic, strong) UILabel *timeLabel;

/// 内容标签
@property (nonatomic, strong) UILabel *contentLabel;

/// 图片容器（九宫格）
@property (nonatomic, strong) UIView *imagesContainer;
@property (nonatomic, strong) NSMutableArray<NetImageView *> *imageViews;

/// 底部操作栏
@property (nonatomic, strong) UIView *actionBar;

/// 点赞按钮
@property (nonatomic, strong) UIButton *likeButton;

/// 评论按钮
@property (nonatomic, strong) UIButton *commentButton;

// 分享按钮已移除

/// 当前数据模型
@property (nonatomic, strong) MomentsInfoModel *currentModel;

@end

@implementation EPMomentCell

// MARK: - Lifecycle

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

// MARK: - Setup UI

- (void)setupUI {
    // 卡片容器（圆角矩形 + 阴影）
    [self.contentView addSubview:self.cardView];
    [self.cardView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.leading.trailing.equalTo(self.contentView).inset(15);
        make.top.equalTo(self.contentView).offset(8);
        make.bottom.equalTo(self.contentView).offset(-8);
    }];
    
    // 头像（圆角矩形，不是圆形！）
    [self.cardView addSubview:self.avatarImageView];
    [self.avatarImageView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.leading.equalTo(self.cardView).offset(15);
        make.top.equalTo(self.cardView).offset(15);
        make.size.mas_equalTo(CGSizeMake(40, 40));
    }];
    
    // 用户名
    [self.cardView addSubview:self.nameLabel];
    [self.nameLabel mas_makeConstraints:^(MASConstraintMaker *make) {
        make.leading.equalTo(self.avatarImageView.mas_trailing).offset(10);
        make.top.equalTo(self.avatarImageView);
        make.trailing.equalTo(self.cardView).offset(-15);
    }];
    
    // 时间
    [self.cardView addSubview:self.timeLabel];
    [self.timeLabel mas_makeConstraints:^(MASConstraintMaker *make) {
        make.leading.equalTo(self.nameLabel);
        make.bottom.equalTo(self.avatarImageView);
        make.trailing.equalTo(self.cardView).offset(-15);
    }];
    
    // 内容
    [self.cardView addSubview:self.contentLabel];
    [self.contentLabel mas_makeConstraints:^(MASConstraintMaker *make) {
        make.leading.trailing.equalTo(self.cardView).inset(15);
        make.top.equalTo(self.avatarImageView.mas_bottom).offset(12);
    }];
    
    // 图片九宫格
    [self.cardView addSubview:self.imagesContainer];
    [self.imagesContainer mas_makeConstraints:^(MASConstraintMaker *make) {
        make.leading.trailing.equalTo(self.cardView).inset(15);
        make.top.equalTo(self.contentLabel.mas_bottom).offset(12);
        make.height.mas_equalTo(0);  // 初始高度为0，renderImages 时会 remakeConstraints
    }];

    // 底部操作栏
    [self.cardView addSubview:self.actionBar];
    [self.actionBar mas_makeConstraints:^(MASConstraintMaker *make) {
        make.leading.trailing.equalTo(self.cardView);
        make.top.equalTo(self.imagesContainer.mas_bottom).offset(12);
        make.height.mas_equalTo(50);
        // 降低底部约束优先级，避免与图片容器高度冲突
        make.bottom.equalTo(self.cardView).offset(-8).priority(UILayoutPriorityDefaultHigh);
    }];
    
    // 点赞按钮
    [self.actionBar addSubview:self.likeButton];
    [self.likeButton mas_makeConstraints:^(MASConstraintMaker *make) {
        make.leading.equalTo(self.actionBar).offset(15);
        make.centerY.equalTo(self.actionBar);
        make.width.mas_greaterThanOrEqualTo(60);
    }];
    
    // 评论按钮
    [self.actionBar addSubview:self.commentButton];
    [self.commentButton mas_makeConstraints:^(MASConstraintMaker *make) {
        make.centerX.equalTo(self.actionBar);
        make.centerY.equalTo(self.actionBar);
        make.width.mas_greaterThanOrEqualTo(60);
    }];
    
    // 右侧占位（去掉分享按钮后，右边保持留白）
}

// MARK: - Public Methods

- (void)configureWithModel:(MomentsInfoModel *)model {
    self.currentModel = model;
    
    // 配置用户名
    self.nameLabel.text = model.nick ?: @"匿名用户";
    
    // 配置时间
    self.timeLabel.text = model.publishTime;
    
    // 配置内容
    self.contentLabel.text = model.content ?: @"";
    
    // 配置图片九宫格
    [self renderImages:model.dynamicResList];

    // 配置点赞/评论数（安全整型，避免负数和溢出）
    NSInteger likeCnt = MAX(0, model.likeCount.integerValue);
    NSInteger cmtCnt = MAX(0, model.commentCount.integerValue);
    [self.likeButton setTitle:[NSString stringWithFormat:@"👍 %ld", (long)likeCnt] forState:UIControlStateNormal];
    [self.commentButton setTitle:[NSString stringWithFormat:@"💬 %ld", (long)cmtCnt] forState:UIControlStateNormal];
    
    self.avatarImageView.imageUrl = model.avatar;
    
    // 配置情绪颜色 border 和 shadow
    [self applyEmotionColorEffect:model.emotionColor];
}

/// 应用情绪颜色视觉效果（Border + Shadow）
- (void)applyEmotionColorEffect:(NSString *)emotionColorHex {
    NSString *displayColorHex = emotionColorHex;
    
    // 如果没有保存的颜色，使用随机颜色（不持久化）
    if (!displayColorHex) {
        displayColorHex = [EPEmotionColorStorage randomEmotionColor];
    }
    
    UIColor *color = [self colorFromHex:displayColorHex];
    
    // 设置 border
    self.cardView.layer.borderWidth = 3.0;
    self.cardView.layer.borderColor = color.CGColor;
    
    // 设置 shadow（使用情绪颜色）
    self.cardView.layer.shadowColor = color.CGColor;
    self.cardView.layer.shadowOffset = CGSizeMake(0, 2);
    self.cardView.layer.shadowOpacity = 0.5;
    self.cardView.layer.shadowRadius = 16.0;
}

/// Hex 转 UIColor
- (UIColor *)colorFromHex:(NSString *)hexString {
    unsigned rgbValue = 0;
    NSScanner *scanner = [NSScanner scannerWithString:hexString];
    [scanner setScanLocation:1]; // 跳过 #
    [scanner scanHexInt:&rgbValue];
    return [UIColor colorWithRed:((rgbValue & 0xFF0000) >> 16)/255.0
                           green:((rgbValue & 0xFF00) >> 8)/255.0
                            blue:(rgbValue & 0xFF)/255.0
                           alpha:1.0];
}

// MARK: - Images Grid

- (void)renderImages:(NSArray *)resList {
    // 清理旧视图
    for (UIView *iv in self.imageViews) { [iv removeFromSuperview]; }
    [self.imageViews removeAllObjects];
    if (resList.count == 0) {
        [self.imagesContainer mas_remakeConstraints:^(MASConstraintMaker *make) {
            make.leading.trailing.equalTo(self.cardView).inset(15);
            make.top.equalTo(self.contentLabel.mas_bottom).offset(0);
            make.height.mas_equalTo(0);
        }];
        return;
    }
    NSInteger columns = 3;
    CGFloat spacing = 6.0;
    CGFloat totalWidth = [UIScreen mainScreen].bounds.size.width - 30 - 30; // 左右各 15 内边距，再减卡片左右 15
    CGFloat itemW = floor((totalWidth - spacing * (columns - 1)) / columns);

    for (NSInteger i = 0; i < resList.count && i < 9; i++) {
        NetImageConfig *config = [[NetImageConfig alloc] init];
        config.placeHolder = [UIImageConstant defaultBannerPlaceholder];
        NetImageView *iv = [[NetImageView alloc] initWithConfig:config];
        iv.backgroundColor = [UIColor colorWithWhite:0.95 alpha:1.0];
        iv.layer.cornerRadius = 6;
        iv.layer.masksToBounds = YES;
        iv.contentMode = UIViewContentModeScaleAspectFill;
        [self.imagesContainer addSubview:iv];
        [self.imageViews addObject:iv];
        NSInteger row = i / columns;
        NSInteger col = i % columns;
        [iv mas_makeConstraints:^(MASConstraintMaker *make) {
            make.leading.equalTo(self.imagesContainer).offset((itemW + spacing) * col);
            make.top.equalTo(self.imagesContainer).offset((itemW + spacing) * row);
            make.size.mas_equalTo(CGSizeMake(itemW, itemW));
        }];
        // 绑定网络图片
        NSString *url = nil;
        id item = resList[i];
        if ([item isKindOfClass:[NSDictionary class]]) {
            url = [item valueForKey:@"resUrl"] ?: [item valueForKey:@"url"];
        } else if ([item respondsToSelector:@selector(resUrl)]) {
            url = [item valueForKey:@"resUrl"];
        }
        iv.imageUrl = url;
    }

    NSInteger rows = ((MIN(resList.count, 9) - 1) / columns) + 1;
    CGFloat height = rows * itemW + (rows - 1) * spacing;
    [self.imagesContainer mas_remakeConstraints:^(MASConstraintMaker *make) {
        make.leading.trailing.equalTo(self.cardView).inset(15);
        make.top.equalTo(self.contentLabel.mas_bottom).offset(12);
        make.height.mas_equalTo(height);
    }];
}

/// 格式化时间戳为相对时间
- (NSString *)formatTimeInterval:(NSInteger)timestamp {
    if (timestamp <= 0) return @"刚刚";
    
    NSTimeInterval interval = [[NSDate date] timeIntervalSince1970] - timestamp / 1000.0;
    
    if (interval < 60) {
        return @"刚刚";
    } else if (interval < 3600) {
        return [NSString stringWithFormat:@"%.0f分钟前", interval / 60];
    } else if (interval < 86400) {
        return [NSString stringWithFormat:@"%.0f小时前", interval / 3600];
    } else if (interval < 604800) {
        return [NSString stringWithFormat:@"%.0f天前", interval / 86400];
    } else {
        NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
        formatter.dateFormat = @"yyyy-MM-dd";
        return [formatter stringFromDate:[NSDate dateWithTimeIntervalSince1970:timestamp / 1000.0]];
    }
}

// MARK: - Actions

- (void)onLikeButtonTapped {
    if (!self.currentModel) return;
    
    NSLog(@"[NewMomentCell] 点赞动态: %@", self.currentModel.dynamicId);
    
    NSString *uid = [[AccountInfoStorage instance] getUid];
    NSString *dynamicId = self.currentModel.dynamicId;
    NSString *status = self.currentModel.isLike ? @"0" : @"1"; // 0=取消，1=点赞
    NSString *likedUid = self.currentModel.uid;
    NSString *worldId = self.currentModel.worldId > 0 ? @(self.currentModel.worldId).stringValue : @"";
    
    [Api momentsLike:^(BaseModel * _Nullable data, NSInteger code, NSString * _Nullable msg) {
        if (code == 200) {
            // 更新点赞状态
            self.currentModel.isLike = !self.currentModel.isLike;
            NSInteger likeCount = [self.currentModel.likeCount integerValue];
            likeCount += self.currentModel.isLike ? 1 : -1;
            self.currentModel.likeCount = @(likeCount).stringValue;
            
            // 更新 UI
            [self.likeButton setTitle:[NSString stringWithFormat:@"👍 %ld", (long)self.currentModel.likeCount] forState:UIControlStateNormal];
            
            NSLog(@"[NewMomentCell] 点赞成功");
        } else {
            NSLog(@"[NewMomentCell] 点赞失败: %@", msg);
        }
    } dynamicId:dynamicId uid:uid status:status likedUid:likedUid worldId:worldId];
}

- (void)onCommentButtonTapped {
    NSLog(@"[NewMomentCell] 评论");
    // TODO: 实现评论逻辑
}

- (void)onShareButtonTapped {
    NSLog(@"[NewMomentCell] 分享");
    // TODO: 实现分享逻辑
}

// MARK: - Lazy Loading

- (UIView *)cardView {
    if (!_cardView) {
        _cardView = [[UIView alloc] init];
        _cardView.backgroundColor = [UIColor whiteColor];
        _cardView.layer.cornerRadius = 12; // 圆角
        // Shadow 和 Border 将由 applyEmotionColorEffect 动态设置
        _cardView.layer.masksToBounds = NO;
    }
    return _cardView;
}

- (UIImageView *)avatarImageView {
    if (!_avatarImageView) {
        NetImageConfig *config = [[NetImageConfig alloc] init];
        config.imageType = ImageTypeUserIcon;
        config.placeHolder = [UIImageConstant defaultAvatarPlaceholder];
        _avatarImageView = [[NetImageView alloc] initWithConfig:config];
        _avatarImageView.backgroundColor = [UIColor colorWithWhite:0.9 alpha:1.0];
        _avatarImageView.layer.cornerRadius = 8; // 圆角矩形，不是圆形！
        _avatarImageView.layer.masksToBounds = YES;
        _avatarImageView.contentMode = UIViewContentModeScaleAspectFill;
    }
    return _avatarImageView;
}

- (UILabel *)nameLabel {
    if (!_nameLabel) {
        _nameLabel = [[UILabel alloc] init];
        _nameLabel.font = [UIFont systemFontOfSize:15 weight:UIFontWeightMedium];
        _nameLabel.textColor = [UIColor colorWithWhite:0.2 alpha:1.0];
    }
    return _nameLabel;
}

- (UILabel *)timeLabel {
    if (!_timeLabel) {
        _timeLabel = [[UILabel alloc] init];
        _timeLabel.font = [UIFont systemFontOfSize:12];
        _timeLabel.textColor = [UIColor colorWithWhite:0.6 alpha:1.0];
    }
    return _timeLabel;
}

- (UILabel *)contentLabel {
    if (!_contentLabel) {
        _contentLabel = [[UILabel alloc] init];
        _contentLabel.font = [UIFont systemFontOfSize:15];
        _contentLabel.textColor = [UIColor colorWithWhite:0.3 alpha:1.0];
        _contentLabel.numberOfLines = 0;
        _contentLabel.lineBreakMode = NSLineBreakByWordWrapping;
    }
    return _contentLabel;
}

- (UIView *)actionBar {
    if (!_actionBar) {
        _actionBar = [[UIView alloc] init];
        _actionBar.backgroundColor = [UIColor colorWithWhite:0.98 alpha:1.0];
    }
    return _actionBar;
}

- (UIButton *)likeButton {
    if (!_likeButton) {
        _likeButton = [self createActionButtonWithTitle:@"👍 0"];
        [_likeButton addTarget:self action:@selector(onLikeButtonTapped) forControlEvents:UIControlEventTouchUpInside];
    }
    return _likeButton;
}

- (UIButton *)commentButton {
    if (!_commentButton) {
        _commentButton = [self createActionButtonWithTitle:@"💬 0"];
        [_commentButton addTarget:self action:@selector(onCommentButtonTapped) forControlEvents:UIControlEventTouchUpInside];
    }
    return _commentButton;
}

- (UIButton *)shareButton {
    return nil;
}

- (UIButton *)createActionButtonWithTitle:(NSString *)title {
    UIButton *button = [UIButton buttonWithType:UIButtonTypeSystem];
    [button setTitle:title forState:UIControlStateNormal];
    button.titleLabel.font = [UIFont systemFontOfSize:13];
    [button setTitleColor:[UIColor colorWithWhite:0.5 alpha:1.0] forState:UIControlStateNormal];
    return button;
}

- (UIView *)imagesContainer {
    if (!_imagesContainer) {
        _imagesContainer = [[UIView alloc] init];
        _imagesContainer.backgroundColor = [UIColor clearColor];
    }
    return _imagesContainer;
}

- (NSMutableArray<NetImageView *> *)imageViews {
    if (!_imageViews) {
        _imageViews = [NSMutableArray array];
    }
    return _imageViews;
}

@end