//
//  JXDetailViewController.m
//  AICity
//
//  Created by TogetherWatch on 2025-10-13.
//  短剧详情+播放器页面（对标Android的JuXingPlayerActivity）
//

#import "JXDetailViewController.h"
#import "JXAPIService.h"
#import "JXCacheManager.h"
#import "JXDrama.h"
#import "JXEpisode.h"
#import "JXInteraction.h"
#import "JXAVPlayer.h"
#import "JXSuperPlayer.h"
#import <AVFoundation/AVFoundation.h>
#import "JXCollectionViewController.h"
#import "JXCommentViewController.h"
#import <TXLiteAVSDK_Player/TXLiteAVSDK.h>
#import "VideoDetailCell.h"
@interface JXDetailViewController () <JXSuperPlayerDelegate, UICollectionViewDelegate, UICollectionViewDataSource,JXCollectionViewControllerDelegate,VideoDetailCellDelegate>{
    JXSuperPlayer *_currentPlayer;
}

// 播放器
@property (nonatomic, strong) UIView *playerContainer;
@property (nonatomic, strong) JXSuperPlayer *player;

// UI组件
@property (nonatomic, strong) UICollectionView *episodeCollectionView;
@property (nonatomic, strong) UILabel *titleLabel;
@property (nonatomic, strong) UILabel *descLabel;
@property (nonatomic, strong) UILabel *authorLabel;
@property (nonatomic, strong) UIButton *likeButton;
@property (nonatomic, strong) UILabel *likeCountLabel;
@property (nonatomic, strong) UIButton *favoriteButton;
@property (nonatomic, strong) UILabel *favoriteCountLabel;
@property (nonatomic, strong) UIButton *commentButton;
@property (nonatomic, strong) UILabel *commentCountLabel;

// 数据
@property (nonatomic, strong) JXDrama *drama;
@property (nonatomic, strong) NSArray<JXEpisode *> *episodes;
@property (nonatomic, strong) JXInteraction *interaction;
@property (nonatomic, assign) NSInteger currentEpisodeIndex;
@property (strong, nonatomic) UISlider *videoSlider;
@property (nonatomic,assign) BOOL isHuadong;
@property (strong, nonatomic) NSMutableArray *playerList;
@property (strong, nonatomic) JXInteraction *pageData;
@end

@implementation JXDetailViewController

- (instancetype)initWithDramaId:(NSString *)dramaId {
    self = [super init];
    if (self) {
        _dramaId = [dramaId copy];
        _currentEpisodeIndex = 0;
    }
    return self;
}

- (void)viewDidLoad {
    [super viewDidLoad];
    
    self.view.backgroundColor = [UIColor blackColor];
    
    // 隐藏导航栏返回按钮
    self.navigationItem.hidesBackButton = YES;
    [self setupUI];
    [self loadData];
}

- (void)setupUI {
    CGFloat width = self.view.bounds.size.width;
    CGFloat height = self.view.bounds.size.height;
    
    // 创建垂直滚动的CollectionView（每集占满屏幕）
    UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc] init];
    layout.scrollDirection = UICollectionViewScrollDirectionVertical;
    layout.itemSize = CGSizeMake(width, height);
    layout.minimumLineSpacing = 0;
    layout.minimumInteritemSpacing = 0;
    
    self.episodeCollectionView = [[UICollectionView alloc] initWithFrame:self.view.bounds 
                                                     collectionViewLayout:layout];
    self.episodeCollectionView.backgroundColor = [UIColor blackColor];
    self.episodeCollectionView.delegate = self;
    self.episodeCollectionView.dataSource = self;
    self.episodeCollectionView.pagingEnabled = YES;
    self.episodeCollectionView.showsVerticalScrollIndicator = NO;
    
    [self.episodeCollectionView registerClass:[UICollectionViewCell class] 
                     forCellWithReuseIdentifier:@"EpisodeCell"];
    [self.episodeCollectionView registerClass:[VideoDetailCell class] forCellWithReuseIdentifier:NSStringFromClass(VideoDetailCell.class)];
    
    [self.view addSubview:self.episodeCollectionView];
    
    // 设置约束
    self.episodeCollectionView.translatesAutoresizingMaskIntoConstraints = NO;
    [NSLayoutConstraint activateConstraints:@[
        [self.episodeCollectionView.topAnchor constraintEqualToAnchor:self.view.topAnchor],
        [self.episodeCollectionView.leadingAnchor constraintEqualToAnchor:self.view.leadingAnchor],
        [self.episodeCollectionView.trailingAnchor constraintEqualToAnchor:self.view.trailingAnchor],
        [self.episodeCollectionView.bottomAnchor constraintEqualToAnchor:self.view.bottomAnchor]
    ]];
}

- (void)loadData {
    if (!self.dramaId) {
        return;
    }
    
    // 从网络加载
    [[JXAPIService sharedService] getDramaDetailWithDramaId:self.dramaId success:^(id responseObject) {
        NSDictionary *response = responseObject;
        NSLog(@"📡 getDramaDetail响应代码: %@", response[@"code"]);
        NSLog(@"📡 getDramaDetail完整响应: %@", response);
        
        if ([response[@"code"] intValue] == 0) {
            NSDictionary *data = response[@"data"];
            NSLog(@"✅ 获取短剧数据成功");
            NSLog(@"📊 Drama数据: %@", data[@"drama"]);
            NSLog(@"📊 Episodes数量: %lu", (unsigned long)[data[@"episodes"] count]);
            
            [self updateUIWithData:data];
            
            // 自动滚动到第一集
            NSLog(@"⏯️ 自动滚动检查 - 剧集总数: %lu", (unsigned long)self.episodes.count);
            if (self.episodes.count > 0) {
                NSLog(@"⏯️ 滚动到第一集");
                [self.episodeCollectionView scrollToItemAtIndexPath:[NSIndexPath indexPathForItem:self.playIndex inSection:0]
                                                    atScrollPosition:UICollectionViewScrollPositionCenteredVertically
                                                            animated:NO];
                dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.5 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
                    [self playVideoAtIndex:0];
                });
            } else {
                NSLog(@"❌ 剧集列表为空，无法播放");
            }
        } else {
            NSLog(@"❌ API返回错误代码: %@", response[@"code"]);
        }
    } failure:^(NSError *error) {
        NSLog(@"❌ 加载短剧详情失败: %@", error.localizedDescription);
    }];
}

- (void)updateUIWithData:(NSDictionary *)data {
    // 解析数据
    self.drama = [[JXDrama alloc] initWithDictionary:data[@"drama"]];
    
    NSArray *episodesData = data[@"episodes"];
    NSMutableArray *episodesList = [NSMutableArray array];
    for (NSDictionary *episodeDict in episodesData) {
        JXEpisode *episode = [[JXEpisode alloc] initWithDictionary:episodeDict];
        [episodesList addObject:episode];
    }
    self.episodes = episodesList;
    
    self.interaction = [[JXInteraction alloc] initWithDictionary:data[@"interaction"]];
    
    [self.episodeCollectionView reloadData];
}

#pragma mark - UICollectionViewDataSource

- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section {
    return self.episodes.count;
}

//- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
//    UICollectionViewCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:@"EpisodeCell" 
//                                                                           forIndexPath:indexPath];
//    
//    // 清理之前的子视图
//    for (UIView *view in cell.contentView.subviews) {
//        [view removeFromSuperview];
//    }
//    
//    cell.contentView.backgroundColor = [UIColor redColor];
//    
//    CGFloat width = cell.contentView.bounds.size.width;
//    CGFloat height = cell.contentView.bounds.size.height;
//    
//    // 播放器容器（占据上半部分）
//    CGFloat playerHeight = height;
//    UIView *playerContainer = [[UIView alloc] initWithFrame:CGRectMake(0, 0, width, playerHeight)];
//    playerContainer.backgroundColor = [UIColor blackColor];
//    [cell.contentView addSubview:playerContainer];
//    [cell.contentView sendSubviewToBack:playerContainer];
//    // 创建播放器
//    JXSuperPlayer *player = [[JXSuperPlayer alloc] initWithContainerView:playerContainer];
//    player.delegate = self;
//    // 右侧互动按钮
//    [self setupInteractionButtonsForCell:cell];
//    
//    UILabel * seeL = [[UILabel alloc] initWithFrame:CGRectMake(16, kScreenHeight - 14-safebottom, SCREEN_WIDTH - 32, 14)];
//    seeL.font = [UIFont systemFontOfSize:14 weight:UIFontWeightMedium];
//    seeL.textColor = [UIColor colorWithRed:173/255.0 green:173/255.0 blue:173/255.0 alpha:1];
//    [cell.contentView addSubview:seeL];
//    seeL.text = [NSString stringWithFormat:@"%@次播放",@"30万"];
//    
//    UIView *bottomView = [[UIView alloc] initWithFrame:CGRectMake(0, CGRectGetMinY(seeL.frame) - 58, SCREEN_WIDTH, 38)];
//    bottomView.backgroundColor = [UIColor colorWithRed:255/255.0 green:255/255.0 blue:255/255.0 alpha:0.1];
//    [cell.contentView addSubview:bottomView];
//    UIImageView *sImgView = [[UIImageView alloc] initWithFrame:CGRectMake(16, 10.5, 17, 17)];
//    sImgView.image = [UIImage imageNamed:@"icon 2.1 拷贝"];
//    [bottomView addSubview:sImgView];
//    UILabel *hjL = [[UILabel alloc] initWithFrame:CGRectMake(CGRectGetMaxX(sImgView.frame)+4, 0, 100, 38)];
//    [bottomView addSubview:hjL];
//    hjL.font = [UIFont boldSystemFontOfSize:18];
//    hjL.textColor = UIColor.whiteColor;
//    hjL.text = @"合集";
//    UIImageView *mImgView = [[UIImageView alloc] initWithFrame:CGRectMake(SCREEN_WIDTH-27, 13.5, 11, 11)];
//    mImgView.image = [UIImage imageNamed:@"Frame 9366"];
//    [bottomView addSubview:mImgView];
//    UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(showHJ:)];
//    [bottomView addGestureRecognizer:tap];
//    
//    UISlider *slider = [[UISlider alloc] initWithFrame:CGRectMake(16,34, SCREEN_WIDTH-32, 2)];
//    [bottomView addSubview:slider];
//    slider.maximumValue = 1;
//    slider.minimumValue = 0;
//    [slider setThumbImage:[UIImage imageNamed:@"b_jdt.png"] forState:UIControlStateNormal];
//    [slider setThumbImage:[UIImage imageNamed:@"b_jdtb.png"] forState:UIControlStateHighlighted];
//    [slider setMinimumTrackImage:[UIImage imageNamed:@"jdt.png"] forState:UIControlStateNormal];
//    [slider setMinimumTrackImage:[UIImage imageNamed:@"jdt.png"] forState:UIControlStateHighlighted];
//    [slider setMaximumTrackImage:[UIImage imageNamed:@"jdt.png"] forState:UIControlStateNormal];
//    [slider setMaximumTrackImage:[UIImage imageNamed:@"jdt.png"] forState:UIControlStateHighlighted] ;
//    [slider setMinimumTrackTintColor:COLOR(0, 0, 0, 0.1)];
//    [slider setMaximumTrackTintColor:COLOR(0, 0, 0, 0.1)];
//    slider.alpha = 0.6;
//    self.videoSlider = slider;
//    
//    UILabel *descLabel = [[UILabel alloc] init];
//    descLabel.font = [UIFont systemFontOfSize:15 weight:UIFontWeightMedium];
//    descLabel.textColor = [UIColor whiteColor];
//    descLabel.numberOfLines = 2;
//    [cell.contentView addSubview:descLabel];
//    [cell.contentView bringSubviewToFront:descLabel];
//    [descLabel mas_makeConstraints:^(MASConstraintMaker *make) {
//        make.bottom.equalTo(bottomView.mas_top).offset(-15);
//        make.left.equalTo(cell.contentView).offset(16);
//        make.width.mas_equalTo(SCREEN_WIDTH - 90);
//    }];
//    
//    UILabel *titleLabel = [[UILabel alloc] init];
//    titleLabel.font = [UIFont boldSystemFontOfSize:18];
//    titleLabel.textColor = [UIColor whiteColor];
//    titleLabel.numberOfLines = 2;
//    [cell.contentView addSubview:titleLabel];
//    [cell.contentView bringSubviewToFront:titleLabel];
//    [titleLabel mas_makeConstraints:^(MASConstraintMaker *make) {
//        make.bottom.equalTo(descLabel.mas_top).offset(-12.5);
//        make.left.equalTo(cell.contentView).offset(16);
//        make.width.mas_equalTo(SCREEN_WIDTH - 90);
//    }];
//    
//    JXEpisode *episode = self.episodes[indexPath.item];
//    titleLabel.text = self.drama.title ?: @"";
//    descLabel.text = episode.title ?: @"";
//    
//    // 播放视频
//    [player playWithAppId:episode.appId fileId:episode.fileId psign:episode.psign];
//    
//    return cell;
//}

-(__kindof UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath{
    
    VideoDetailCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:NSStringFromClass(VideoDetailCell.class) forIndexPath:indexPath];
    // 设置代理
    cell.delegate = self;
    NSLog(@"[JXShortDrama] ✅ cellForItemAtIndexPath - Cell delegate 已设置，index: %ld", (long)indexPath.item);
    
    // 配置数据
    JXEpisode *episode = self.episodes[indexPath.item];
    [cell configureWithDrama:episode andDiction:self.interaction andTitle:self.drama.title];
    return cell;
}
- (void)showHJ:(UIGestureRecognizer *)gtr{
    JXEpisode *episode = self.episodes[self.currentEpisodeIndex];
    [self showCollectionDialogWithDramaId:[NSString stringWithFormat:@"%ld",episode.dramaId]];
}
- (void)showCollectionDialogWithDramaId:(NSString *)dramaId {
    JXCollectionViewController *collectionVC = [[JXCollectionViewController alloc] initWithDramaId:dramaId];
    collectionVC.delegate = self;
    // 设置弹窗样式（底部弹出）
    if (@available(iOS 15.0, *)) {
        UISheetPresentationController *sheet = collectionVC.sheetPresentationController;
        sheet.detents = @[
            [UISheetPresentationControllerDetent mediumDetent],
            [UISheetPresentationControllerDetent largeDetent]
        ];
        sheet.prefersGrabberVisible = YES;
    }
    
    [self presentViewController:collectionVC animated:YES completion:nil];
}
- (void)commentDidClicked{
    JXEpisode *episode = self.episodes[self.currentEpisodeIndex];
    JXCommentViewController *commentVC = [[JXCommentViewController alloc] initWithDramaId:[NSString stringWithFormat:@"%ld",episode.dramaId]];
    // 设置弹窗样式（底部弹出）
    if (@available(iOS 15.0, *)) {
        UISheetPresentationController *sheet = commentVC.sheetPresentationController;
        sheet.detents = @[
            [UISheetPresentationControllerDetent mediumDetent],
            [UISheetPresentationControllerDetent largeDetent]
        ];
        sheet.prefersGrabberVisible = YES;
    }
    [self presentViewController:commentVC animated:YES completion:^{
        NSLog(@"[JXShortDrama] 🗨️ commentVC present 完成！");
    }];
}
- (void)shortDramaCellDidTapComment:(UICollectionViewCell *)cell {
    [self commentDidClicked];
}
- (void)shortDramaCellDidTapCollection:(UICollectionViewCell *)cell {
    JXCollectionViewController *collectionVC = [[JXCollectionViewController alloc] initWithDramaId:self.dramaId];
    collectionVC.delegate = self;
    // 设置弹窗样式（底部弹出）
    if (@available(iOS 15.0, *)) {
        UISheetPresentationController *sheet = collectionVC.sheetPresentationController;
        sheet.detents = @[
            [UISheetPresentationControllerDetent mediumDetent],
            [UISheetPresentationControllerDetent largeDetent]
        ];
        sheet.prefersGrabberVisible = YES;
    }
    
    [self presentViewController:collectionVC animated:YES completion:nil];
}
- (void)superPlayerDidUpdateProgress:(NSTimeInterval)currentTime duration:(NSTimeInterval)duration {
    // 播放进度更新（可用于显示进度条）
    // NSLog(@"[JXShortDramaCell] 播放进度: %.1f / %.1f", currentTime, duration);
    float progress = currentTime/duration;
    self.videoSlider.value = progress;
}

- (void)collectionViewControllerDidSelectEpisode:(NSString *)episodeId {
    NSLog(@"[JXShortDrama] 选择播放剧集: %@", episodeId);
    
    // TODO: 切换到选定的剧集播放
    // 可以找到对应的短剧，然后滚动到该位置并播放
}
#pragma mark - UICollectionViewDelegate


- (void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView {
    // 获取当前可见的cell索引
    CGFloat pageWidth = scrollView.frame.size.width;
    CGFloat pageHeight = scrollView.frame.size.height;
    NSInteger currentPage = (NSInteger)(scrollView.contentOffset.y / pageHeight);
    
    if (currentPage != self.currentEpisodeIndex) {
        [self stopVideoAtIndex:self.currentEpisodeIndex];
        // 播放新视频
        self.currentEpisodeIndex = currentPage;
        [self playVideoAtIndex:currentPage];
    }else{
        [self resumeCurrentVideo];
    }
    
}
- (void)playVideoAtIndex:(NSInteger)index {

    if (index < 0 || index >= self.episodes.count) {
        return;
    }

    
    [self doPlayVideoAtIndex:index];
}
- (void)doPlayVideoAtIndex:(NSInteger)index {
    // 启动播放
    VideoDetailCell *cell = (VideoDetailCell *)[self.episodeCollectionView cellForItemAtIndexPath:[NSIndexPath indexPathForItem:index inSection:0]];
    if (cell) {
        [cell startPlay];
    }
}
- (void)stopVideoAtIndex:(NSInteger)index {
    if (index < 0 || index >= self.episodes.count) {
        return;
    }
    VideoDetailCell *cell = (VideoDetailCell *)[self.episodeCollectionView cellForItemAtIndexPath:[NSIndexPath indexPathForItem:index inSection:0]];
    [cell stopPlay];
}

- (void)pauseCurrentVideo {
    if (self.currentEpisodeIndex < 0 || self.currentEpisodeIndex >= self.episodes.count) {
        return;
    }

    VideoDetailCell *cell = (VideoDetailCell *)[self.episodeCollectionView cellForItemAtIndexPath:[NSIndexPath indexPathForItem:self.currentEpisodeIndex inSection:0]];
    [cell pausePlay];
}

- (void)resumeCurrentVideo {
    if (self.currentEpisodeIndex < 0 || self.currentEpisodeIndex >= self.episodes.count) {
        return;
    }

    VideoDetailCell *cell = (VideoDetailCell *)[self.episodeCollectionView cellForItemAtIndexPath:[NSIndexPath indexPathForItem:self.currentEpisodeIndex inSection:0]];
    [cell resumePlay];
}

- (void)pauseAllVideos {
    // 暂停所有可见的Cell
    for (NSIndexPath *indexPath in self.episodeCollectionView.indexPathsForVisibleItems) {
        VideoDetailCell *cell = (VideoDetailCell *)[self.episodeCollectionView cellForItemAtIndexPath:indexPath];
        [cell pausePlay];
    }
}
#pragma mark - Helper Methods

- (void)setupInteractionButtonsForCell:(UICollectionViewCell *)cell {
    CGFloat width = cell.contentView.bounds.size.width;
    UIView *container = [[UIView alloc] initWithFrame:CGRectMake(width - 48, kScreenHeight - safebottom - 190 - 90, 32, 190)];
    [cell.contentView addSubview:container];
    
    
    // 点赞
    UIButton *likeButton = [UIButton buttonWithType:UIButtonTypeCustom];
    likeButton.frame = CGRectMake(0, 0, 32, 32);
    [likeButton setImage:[UIImage imageNamed:@"icon 1.1"] forState:UIControlStateNormal];
    [likeButton setImage:[UIImage imageNamed:@"icon 1.5"] forState:UIControlStateSelected];
    [container addSubview:likeButton];
    
    UILabel *likeCountLabel = [[UILabel alloc] initWithFrame:CGRectMake(0, 40, 32, 18)];
    likeCountLabel.textAlignment = NSTextAlignmentCenter;
    likeCountLabel.font = [UIFont systemFontOfSize:12];
    likeCountLabel.textColor = [UIColor whiteColor];
    likeCountLabel.text = [self formatCount:self.interaction.likeCount];
    [container addSubview:likeCountLabel];
    
    // 收藏
    UIButton *favoriteButton = [UIButton buttonWithType:UIButtonTypeCustom];
    favoriteButton.frame = CGRectMake(0, CGRectGetMaxY(likeCountLabel.frame) + 20, 32, 32);
    [favoriteButton setImage:[UIImage imageNamed:@"icon 1.2"] forState:UIControlStateNormal];
    [favoriteButton setImage:[UIImage imageNamed:@"icon 1.5"] forState:UIControlStateSelected];
    [container addSubview:favoriteButton];
    
    UILabel *favoriteCountLabel = [[UILabel alloc] initWithFrame:CGRectMake(0, CGRectGetMaxY(favoriteButton.frame), 32, 18)];
    favoriteCountLabel.textAlignment = NSTextAlignmentCenter;
    favoriteCountLabel.font = [UIFont systemFontOfSize:12];
    favoriteCountLabel.textColor = [UIColor whiteColor];
    favoriteCountLabel.text = [self formatCount:self.interaction.favoriteCount];
    [container addSubview:favoriteCountLabel];
    
    
    // 评论
    UIButton *commentButton = [UIButton buttonWithType:UIButtonTypeCustom];
    commentButton.frame = CGRectMake(0, CGRectGetMaxY(favoriteCountLabel.frame) + 20, 32, 32);
    [commentButton setImage:[UIImage imageNamed:@"icon 1.3"] forState:UIControlStateNormal];
    [container addSubview:commentButton];
    [commentButton addTarget:self action:@selector(commentDidClicked) forControlEvents:UIControlEventTouchUpInside];
    UILabel *commentCountLabel = [[UILabel alloc] initWithFrame:CGRectMake(0, CGRectGetMaxY(commentButton.frame) , 32, 18)];
    commentCountLabel.textAlignment = NSTextAlignmentCenter;
    commentCountLabel.font = [UIFont systemFontOfSize:12];
    commentCountLabel.textColor = [UIColor whiteColor];
    commentCountLabel.text = [self formatCount:self.interaction.commentCount];
    [container addSubview:commentCountLabel];
}

- (NSString *)formatCount:(long long)count {
    if (count >= 1000000) {
        return [NSString stringWithFormat:@"%.1fM", count / 1000000.0];
    } else if (count >= 1000) {
        return [NSString stringWithFormat:@"%.1fK", count / 1000.0];
    }
    return [NSString stringWithFormat:@"%lld", count];
}

- (void)dealloc {
    // 停止所有播放器
}
- (NSMutableArray *)playerList{
    if (!_playerList) {
        _playerList = [NSMutableArray array];
    }
    return _playerList;
}
@end