//
//  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 "NetImageView.h"
#import "EPEmotionColorStorage.h"
#import "SDPhotoBrowser.h"
#import "YuMi-Swift.h" // Swift 互操作

@interface EPMomentCell () <SDPhotoBrowserDelegate>

// MARK: - UI Components

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

/// 彩色背景层（毛玻璃下方）
@property (nonatomic, strong) UIView *colorBackgroundView;

/// 毛玻璃效果视图
@property (nonatomic, strong) UIVisualEffectView *blurEffectView;

/// 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;

/// API Helper (Swift 版本)
@property (nonatomic, strong) EPMomentAPISwiftHelper *apiHelper;

@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).priority(UILayoutPriorityRequired - 1);
    }];
    
    // 彩色背景层（最底层）
    [self.cardView addSubview:self.colorBackgroundView];
    [self.colorBackgroundView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.edges.equalTo(self.cardView);
    }];
    
    // 毛玻璃效果视图（在彩色背景层之上）
    [self.cardView addSubview:self.blurEffectView];
    [self.blurEffectView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.edges.equalTo(self.cardView);
    }];
    
    // 头像（
    [self.blurEffectView.contentView 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.blurEffectView.contentView 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.blurEffectView.contentView 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.blurEffectView.contentView 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.blurEffectView.contentView 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.blurEffectView.contentView 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);
        // 设置较高优先级，确保底部约束生效
        make.bottom.equalTo(self.cardView).offset(-8).priority(UILayoutPriorityRequired - 2);
    }];
    
    // 点赞按钮（居左显示，评论功能已隐藏）
    [self.actionBar addSubview:self.likeButton];
    [self.likeButton mas_makeConstraints:^(MASConstraintMaker *make) {
        make.leading.equalTo(self.actionBar);
        make.centerY.equalTo(self.actionBar);
        make.width.mas_greaterThanOrEqualTo(80);
    }];
}

// MARK: - Public Methods

- (void)configureWithModel:(MomentsInfoModel *)model {
    self.currentModel = model;
    
    // 配置用户名
    self.nameLabel.text = model.nick ?: YMLocalizedString(@"user.anonymous");
    
    // 配置时间（将时间戳转换为 MM/dd 格式）
    self.timeLabel.text = [self formatTimestampToDate:model.publishTime];
    
    // 配置内容
    self.contentLabel.text = model.content ?: @"";
    
    // 配置图片九宫格
    [self renderImages:model.dynamicResList];

    // 配置点赞按钮状态和数字
    NSInteger likeCnt = MAX(0, model.likeCount.integerValue);
    self.likeButton.selected = model.isLike;
    [self.likeButton setTitle:[NSString stringWithFormat:@" %ld", (long)likeCnt] forState:UIControlStateNormal];
    [self.likeButton setTitle:[NSString stringWithFormat:@" %ld", (long)likeCnt] forState:UIControlStateSelected];
    
    self.avatarImageView.imageUrl = model.avatar;
    
    // 配置情绪颜色 border 和 shadow
    [self applyEmotionColorEffect:model.emotionColor];
    
    // 确保布局完成后 cell 高度正确
    [self setNeedsLayout];
}

/// 应用情绪颜色视觉效果（Background + Shadow）
- (void)applyEmotionColorEffect:(NSString *)emotionColorHex {
    // 获取颜色（已在列表加载时处理，这里直接使用）
    if (!emotionColorHex) {
        NSLog(@"[EPMomentCell] 警告：emotionColorHex 为 nil");
        return;
    }
    
    UIColor *color = [self colorFromHex:emotionColorHex];
    
    // 移除边框
    self.cardView.layer.borderWidth = 0;
    
    // 设置彩色背景（50% 透明度，在毛玻璃下方）
    self.colorBackgroundView.backgroundColor = [color colorWithAlphaComponent:0.5];
    
    // 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);
        }];
        
        // 强制触发布局更新
        [self.contentView setNeedsLayout];
        [self.contentView layoutIfNeeded];
        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;
        iv.userInteractionEnabled = YES;
        iv.tag = i; // 用于识别点击的图片索引
        
        // 添加点击手势
        UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(onImageTapped:)];
        [iv addGestureRecognizer:tap];
        
        [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);
    }];
    
    // 强制触发布局更新，确保 cell 高度正确计算
    [self.contentView setNeedsLayout];
    [self.contentView layoutIfNeeded];
}

/// 格式化时间戳为 MM/dd 格式
- (NSString *)formatTimestampToDate:(NSString *)timestampString {
    if (!timestampString || timestampString.length == 0) {
        return @"";
    }
    
    // 将字符串转换为时间戳（毫秒）
    NSTimeInterval timestamp = [timestampString doubleValue] / 1000.0;
    
    if (timestamp <= 0) {
        return @"";
    }
    
    NSDate *date = [NSDate dateWithTimeIntervalSince1970:timestamp];
    NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
    formatter.dateFormat = @"MM/dd";
    
    return [formatter stringFromDate:date];
}

/// 格式化时间戳为相对时间
- (NSString *)formatTimeInterval:(NSInteger)timestamp {
    if (timestamp <= 0) return YMLocalizedString(@"time.just_now");
    
    NSTimeInterval interval = [[NSDate date] timeIntervalSince1970] - timestamp / 1000.0;
    
    if (interval < 60) {
        return YMLocalizedString(@"time.just_now");
    } else if (interval < 3600) {
        return [NSString stringWithFormat:YMLocalizedString(@"time.minutes_ago"), interval / 60];
    } else if (interval < 86400) {
        return [NSString stringWithFormat:YMLocalizedString(@"time.hours_ago"), interval / 3600];
    } else if (interval < 604800) {
        return [NSString stringWithFormat:YMLocalizedString(@"time.days_ago"), 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;
    
    // 如果已点赞，执行取消点赞
    if (self.currentModel.isLike) {
        [self performLikeAction:NO];
        return;
    }
    
    // 审核中的动态不可点赞
    if (self.currentModel.status == 0) {
        NSLog(@"[EPMomentCell] 动态审核中，无法点赞");
        // TODO: 可选择显示提示 Toast
        return;
    }
    
    // 执行点赞
    [self performLikeAction:YES];
}

- (void)performLikeAction:(BOOL)isLike {
    NSLog(@"[EPMomentCell] %@ 动态: %@", isLike ? @"点赞" : @"取消点赞", self.currentModel.dynamicId);
    
    NSString *dynamicId = self.currentModel.dynamicId;
    NSString *likedUid = self.currentModel.uid;
    long worldId = self.currentModel.worldId;
    
    // 使用 Swift API Helper
    @kWeakify(self);
    [self.apiHelper likeMomentWithDynamicId:dynamicId
                                     isLike:isLike
                                  likedUid:likedUid
                                    worldId:worldId
                                 completion:^{
        @kStrongify(self);
        // 更新点赞状态
        self.currentModel.isLike = isLike;
        NSInteger likeCount = [self.currentModel.likeCount integerValue];
        likeCount += isLike ? 1 : -1;
        likeCount = MAX(0, likeCount); // 防止负数
        self.currentModel.likeCount = @(likeCount).stringValue;
        
        // 更新 UI
        self.likeButton.selected = self.currentModel.isLike;
        [self.likeButton setTitle:[NSString stringWithFormat:@" %ld", (long)likeCount] forState:UIControlStateNormal];
        [self.likeButton setTitle:[NSString stringWithFormat:@" %ld", (long)likeCount] forState:UIControlStateSelected];
        
        NSLog(@"[EPMomentCell] %@ 成功", isLike ? @"点赞" : @"取消点赞");
    } failure:^(NSInteger code, NSString * _Nonnull msg) {
        NSLog(@"[EPMomentCell] %@ 失败 (code: %ld): %@", isLike ? @"点赞" : @"取消点赞", (long)code, msg);
    }];
}

// 评论功能已隐藏
// - (void)onCommentButtonTapped {
//     NSLog(@"[EPMomentCell] 评论");
// }

- (void)onImageTapped:(UITapGestureRecognizer *)gesture {
    if (!self.currentModel || !self.currentModel.dynamicResList.count) return;
    
    NSInteger index = gesture.view.tag;
    NSLog(@"[EPMomentCell] 点击图片索引: %ld", (long)index);
    
    SDPhotoBrowser *browser = [[SDPhotoBrowser alloc] init];
    browser.sourceImagesContainerView = self.imagesContainer;
    browser.delegate = self;
    browser.imageCount = self.currentModel.dynamicResList.count;
    browser.currentImageIndex = index;
    [browser show];
}

#pragma mark - SDPhotoBrowserDelegate

- (NSURL *)photoBrowser:(SDPhotoBrowser *)browser highQualityImageURLForIndex:(NSInteger)index {
    if (index >= 0 && index < self.currentModel.dynamicResList.count) {
        id item = self.currentModel.dynamicResList[index];
        NSString *url = nil;
        if ([item isKindOfClass:[NSDictionary class]]) {
            url = [item valueForKey:@"resUrl"] ?: [item valueForKey:@"url"];
        } else if ([item respondsToSelector:@selector(resUrl)]) {
            url = [item valueForKey:@"resUrl"];
        }
        if (url) {
            return [NSURL URLWithString:url];
        }
    }
    return nil;
}

- (UIImage *)photoBrowser:(SDPhotoBrowser *)browser placeholderImageForIndex:(NSInteger)index {
    return [UIImageConstant defaultBannerPlaceholder];
}

// MARK: - Lazy Loading

- (UIView *)cardView {
    if (!_cardView) {
        _cardView = [[UIView alloc] init];
        _cardView.backgroundColor = [UIColor clearColor]; // 透明背景，颜色由 colorBackgroundView 提供
        _cardView.layer.cornerRadius = 12; // 圆角
        // Shadow 将由 applyEmotionColorEffect 动态设置
        _cardView.layer.masksToBounds = NO;
    }
    return _cardView;
}

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

- (UIVisualEffectView *)blurEffectView {
    if (!_blurEffectView) {
        UIBlurEffect *blurEffect = [UIBlurEffect effectWithStyle:UIBlurEffectStyleLight];
        _blurEffectView = [[UIVisualEffectView alloc] initWithEffect:blurEffect];
        _blurEffectView.layer.cornerRadius = 12;
        _blurEffectView.layer.masksToBounds = YES;
    }
    return _blurEffectView;
}

- (UIImageView *)avatarImageView {
    if (!_avatarImageView) {
        NetImageConfig *config = [[NetImageConfig alloc] init];
        _avatarImageView = [[NetImageView alloc] initWithConfig:config];
        _avatarImageView.backgroundColor = [UIColor colorWithWhite:0.9 alpha:1.0];
        _avatarImageView.layer.cornerRadius = 20;
        _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 whiteColor];
    }
    return _nameLabel;
}

- (UILabel *)timeLabel {
    if (!_timeLabel) {
        _timeLabel = [[UILabel alloc] init];
        _timeLabel.font = [UIFont systemFontOfSize:12];
        _timeLabel.textColor = [UIColor colorWithWhite:1 alpha:0.6];
    }
    return _timeLabel;
}

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

- (UIView *)actionBar {
    if (!_actionBar) {
        _actionBar = [[UIView alloc] init];
        _actionBar.backgroundColor = [UIColor clearColor]; // 半透明白色，与毛玻璃效果搭配
    }
    return _actionBar;
}

- (UIButton *)likeButton {
    if (!_likeButton) {
        _likeButton = [UIButton buttonWithType:UIButtonTypeCustom];
        [_likeButton setImage:[UIImage imageNamed:@"monents_info_like_count_normal"] forState:UIControlStateNormal];
        [_likeButton setImage:[UIImage imageNamed:@"monents_info_like_count_select"] forState:UIControlStateSelected];
        [_likeButton setTitle:@" 0" forState:UIControlStateNormal];
        _likeButton.titleLabel.font = [UIFont systemFontOfSize:13];
        [_likeButton setTitleColor:[UIColor colorWithWhite:1 alpha:0.6] forState:UIControlStateNormal];
        [_likeButton setTitleColor:[UIColor colorWithWhite:1 alpha:1.0] forState:UIControlStateSelected];
        [_likeButton addTarget:self action:@selector(onLikeButtonTapped) forControlEvents:UIControlEventTouchUpInside];
    }
    return _likeButton;
}

// 评论按钮已移除
- (UIButton *)commentButton {
    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;
}

- (EPMomentAPISwiftHelper *)apiHelper {
    if (!_apiHelper) {
        _apiHelper = [[EPMomentAPISwiftHelper alloc] init];
    }
    return _apiHelper;
}

@end