//
//  HomeRankContentVC.m
//  keyBoard
//
//  Created by Mac on 2025/11/6.
//

@import UIKit;
#import "HomeRankContentVC.h"
#import "HomeRankDetailPopView.h" // 自定义弹窗内容视图
#import "LSTPopView.h"            // LSTPopView 弹窗框架

// 自定义卡片 Cell
#import "HomeRankCardCell.h"
#import "KBHomeVM.h"
#import "KBCharacter.h"
#import "KBHUD.h"
#import "KBMyVM.h"                // 引入用户人设变更通知

@interface HomeRankContentVC ()
@property (nonatomic, copy, nullable) NSString *tagId;               // 当前标签 id
@property (nonatomic, strong) KBHomeVM *homeVM;
@property (nonatomic, strong) NSArray<KBCharacter *> *characters;    // 当前标签下的角色列表
@end

@implementation HomeRankContentVC

- (instancetype)initWithTagId:(NSString *)tagId {
    if (self = [super init]) {
        _tagId = [tagId copy];
    }
    return self;
}

- (instancetype)init {
    return [self initWithTagId:nil];
}

- (void)viewDidLoad {
    [super viewDidLoad];

    self.view.backgroundColor = COLOR_WITH_RGB(246/255.0, 253/255.0, 249/255.0, 1.0); // 淡绿色背景
    self.characters = @[];
    self.homeVM = [KBHomeVM new];

    [self.view addSubview:self.collectionView];
    [self.collectionView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.edges.equalTo(self.view);
    }];

    // 监听“用户人设删除”通知，用于同步更新加号按钮状态
    [[NSNotificationCenter defaultCenter] addObserver:self
                                             selector:@selector(kb_onUserCharacterDeleted:)
                                                 name:KBUserCharacterDeletedNotification
                                               object:nil];

    // 加载当前 tag 下的角色列表
    [self loadCharactersForCurrentTag];
}

- (void)dealloc {
    [[NSNotificationCenter defaultCenter] removeObserver:self];
}

- (void)loadCharactersForCurrentTag {
    [self kb_requestCharactersWithShowHUD:YES];
}

// 内部通用方法：根据 tag 请求角色列表
- (void)kb_requestCharactersWithShowHUD:(BOOL)needShow {
    KBWeakSelf
    [self.homeVM fetchRankListByTagId:self.tagId
                              needShow:needShow
                            completion:^(NSArray<KBCharacter *> * _Nullable list, NSError * _Nullable error) {
        if (error) {
            return;
        }
        weakSelf.characters = list ?: @[];
        [weakSelf.collectionView reloadData];
    }];
}

/// 收到“用户人设删除”通知：如果当前列表包含该 id，则刷新接口数据
- (void)kb_onUserCharacterDeleted:(NSNotification *)note {
    NSNumber *cid = note.userInfo[@"characterId"];
    if (!cid) { return; }
    NSInteger targetId = cid.integerValue;
    if (targetId <= 0) { return; }

    BOOL contains = NO;
    for (KBCharacter *c in self.characters) {
        if (c.ID.integerValue == targetId) {
            contains = YES;
            break;
        }
    }
    if (!contains) { return; }

    // 后端会根据最新的人设状态返回 added 字段，刷新本页 UI
    [self kb_requestCharactersWithShowHUD:NO];
}

- (UICollectionView *)collectionView{
    if (!_collectionView) {
        UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc] init];
        layout.sectionInset = UIEdgeInsetsMake(16, 16, 16, 16);
        layout.minimumLineSpacing = 24;
        layout.minimumInteritemSpacing = 16;

        _collectionView = [[UICollectionView alloc] initWithFrame:CGRectZero collectionViewLayout:layout];
        _collectionView.backgroundColor = [UIColor clearColor];
//        _collectionView.alwaysBounceVertical = YES;
        _collectionView.bounces = false;
        _collectionView.dataSource = self;
        _collectionView.delegate = self;
        [_collectionView registerClass:[HomeRankCardCell class] forCellWithReuseIdentifier:@"HomeRankCardCell"];
//        self.collectionView.translatesAutoresizingMaskIntoConstraints = NO;
    }
    return _collectionView;
}


#pragma mark - UICollectionViewDataSource

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

- (__kindof UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
    HomeRankCardCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:@"HomeRankCardCell" forIndexPath:indexPath];
    KBCharacter *c = self.characters[indexPath.item];
    // 直接把模型交给 cell，由 cell 自己负责展示
    cell.character = c;
    KBWeakSelf
    cell.onTapAction = ^{
        // 切换添加/已添加状态并刷新该项（只是本地 UI 状态）
        NSMutableArray *m = [weakSelf.characters mutableCopy];
        KBCharacter *mc = m[indexPath.item];
        mc.added = !mc.added;
        weakSelf.characters = [m copy];
        [weakSelf.collectionView reloadItemsAtIndexPaths:@[indexPath]];
    };
    return cell;
}

#pragma mark - UICollectionViewDelegateFlowLayout

- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout*)collectionViewLayout sizeForItemAtIndexPath:(NSIndexPath *)indexPath {
    CGFloat totalHInset = 16 + 16;
    CGFloat spacing = 16;
    CGFloat w = collectionView.bounds.size.width - totalHInset; 
    CGFloat cellWidth = (w - spacing) / 2.0;
    // 固定高度，接近示意图比例
    CGFloat cellHeight = 234.0;
    return CGSizeMake(floor(cellWidth), cellHeight);
}

- (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath{
    // 点击卡片 -> 展示弹窗
    KBCharacter *c = self.characters[indexPath.item];

    // 自定义内容视图（尺寸可按需调节）
    CGFloat width = MIN(KB_SCREEN_WIDTH - 76, 420);
    HomeRankDetailPopView *content = [[HomeRankDetailPopView alloc] initWithFrame:CGRectMake(0, 0, width, 460)];
    NSString *title = c.characterName ?: @"High EQ";
    NSString *people = c.download ?: @"Download: 1 Million";
    NSString *desc = @"Be Neither Too Close\nNor Too Distant"; // 示例文案
    [content configWithAvatar:nil title:title download:people desc:desc];

    // 创建并弹出
    LSTPopView *pop = [LSTPopView initWithCustomView:content
                                          parentView:nil
                                            popStyle:LSTPopStyleScale
                                        dismissStyle:LSTDismissStyleScale];
    pop.hemStyle = LSTHemStyleCenter;         // 居中
    pop.bgColor = [[UIColor blackColor] colorWithAlphaComponent:0.4];
    pop.isClickBgDismiss = YES;               // 点击背景关闭
    pop.cornerRadius = 0;                     // 自定义 view 自处理圆角

    __weak typeof(pop) weakPop = pop;
    content.saveHandler = ^{ [weakPop dismiss]; };
    content.closeHandler = ^{ [weakPop dismiss]; };

    [pop pop];
}


#pragma mark - JXCategoryListContentViewDelegate
- (UIView *)listView {
    return self.view;
}

@end