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

#import "HomeHotVC.h"
// 视图
#import "KBTopThreeView.h"
#import "KBHomeVM.h"
#import "KBCharacter.h"
#import "HomeHotCell.h"
#import "HomeRankVC.h"
#import "KBSearchVC.h"
#import "HomeRankDetailPopView.h"
#import "LSTPopView.h"
#import <HWPanModal/HWPanModal.h>
#import "KBMyVM.h"          // 用户人设变更通知
#import "KBHUD.h"

@interface HomeHotVC () <UITableViewDataSource, UITableViewDelegate>

// 顶部前三名视图
@property (nonatomic, strong) KBTopThreeView *topThreeView;

/// 首页排行榜 VM
@property (nonatomic, strong) KBHomeVM *homeVM;
/// 完整的排行榜数据（接口返回）
@property (nonatomic, copy) NSArray<KBCharacter *> *allCharacters;
/// 列表区域使用的数据：从第 4 名开始
@property (nonatomic, copy) NSArray<KBCharacter *> *listCharacters;

@end

@interface HomeHotVC ()

@end

@implementation HomeHotVC

- (void)viewDidLoad {
    [super viewDidLoad];

    // 搭建 UI
    [self.view addSubview:self.tableView];
    [self.tableView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.edges.equalTo(self.view);
    }];

    // 顶部前三名作为 tableHeaderView（注意：tableHeaderView 需设定明确高度）
    CGFloat headerH = 280.0;
    self.topThreeView = [[KBTopThreeView alloc] initWithFrame:CGRectMake(0, 0, KB_SCREEN_WIDTH, headerH)];
    self.tableView.tableHeaderView = self.topThreeView;

    KBWeakSelf
    // 顶部三名区域的三个加号按钮：添加人设
    self.topThreeView.onCenterPlusTapped = ^(KBCharacter * _Nullable character) {
        [weakSelf kb_addUserCharacterFromTopViewWithCharacter:character];
    };
    self.topThreeView.onLeftPlusTapped = ^(KBCharacter * _Nullable character) {
        [weakSelf kb_addUserCharacterFromTopViewWithCharacter:character];
    };
    self.topThreeView.onRightPlusTapped = ^(KBCharacter * _Nullable character) {
        [weakSelf kb_addUserCharacterFromTopViewWithCharacter:character];
    };

    // 请求排行榜数据
    self.homeVM = [KBHomeVM new];
    [self kb_reloadRankListWithShowHUD:YES];

    // 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];
}

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

/// 拉取首页排行榜数据
- (void)kb_reloadRankListWithShowHUD:(BOOL)needShow {
    KBWeakSelf
    [self.homeVM fetchRankListWithParams:nil
                                needShow:needShow
                              completion:^(NSArray<KBCharacter *> * _Nullable list, NSError * _Nullable error) {
        if (error) {
            // 错误提示已经在 VM 内部通过 HUD 处理，这里不再重复提示
            return;
        }
        weakSelf.allCharacters = list ?: @[];

        // 根据最新数据刷新顶部前三名与列表部分
        [weakSelf kb_refreshTopThreeView];
        [weakSelf kb_refreshListCharacters];
        [weakSelf.tableView reloadData];

        // 通知承载 HomeHotVC 的“外层 PanModal 容器”刷新布局。
        // 1) 如果 HomeHotVC 是作为子控制器嵌在某个 VC 里（例如 HomeSheetVC），
        //    则该 VC 实现了 hw_panModalSetNeedsLayoutUpdate。
        UIViewController *parent = weakSelf.parentViewController;
        id target = nil;
        if ([parent respondsToSelector:@selector(hw_panModalSetNeedsLayoutUpdate)]) {
            target = parent;
        } else {
            // 2) 如果 HomeHotVC 是直接嵌在 HWPanModalContentView（如 KBPanModalView）里，
            //    parentViewController 可能为 nil，需要顺着 view.superview 向上寻找。
            UIView *v = weakSelf.view;
            while (v && ![v respondsToSelector:@selector(hw_panModalSetNeedsLayoutUpdate)]) {
                v = v.superview;
            }
            if (v && [v respondsToSelector:@selector(hw_panModalSetNeedsLayoutUpdate)]) {
                target = v;
            }
        }
        if (target) {
            [(id)target hw_panModalSetNeedsLayoutUpdate];
        }
    }];
}

/// 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.allCharacters) {
        if (c.ID.integerValue == targetId) {
            contains = YES;
            break;
        }
    }
    if (!contains) { return; }

    // 刷新首页排行榜数据（不需要 HUD）
    [self kb_reloadRankListWithShowHUD:NO];
}

/// 根据当前 allCharacters 刷新顶部前三名区域
- (void)kb_refreshTopThreeView {
    NSInteger topCount = MIN(3, self.allCharacters.count);
    if (topCount > 0) {
        NSRange range = NSMakeRange(0, topCount);
        NSArray<KBCharacter *> *topThree = [self.allCharacters subarrayWithRange:range];
        [self.topThreeView configWithCharacters:topThree];
    } else {
        [self.topThreeView configWithCharacters:@[]];
    }
}

/// 根据当前 allCharacters 刷新列表区域（第 4 名及以后）
- (void)kb_refreshListCharacters {
    if (self.allCharacters.count > 3) {
        NSRange range = NSMakeRange(3, self.allCharacters.count - 3);
        self.listCharacters = [self.allCharacters subarrayWithRange:range];
    } else {
        self.listCharacters = @[];
    }
}

/// 顶部三名区域点击“+”添加人设
- (void)kb_addUserCharacterFromTopViewWithCharacter:(KBCharacter * _Nullable)character {
    if (!character || character.added) { return; }

    NSString *cidStr = character.ID ?: @"";
    if (cidStr.length == 0) { return; }
    NSNumber *cid = @([cidStr integerValue]);

    [self.homeVM addUserCharacterWithId:cid
                              completion:^(BOOL success, NSError * _Nullable error) {
        if (!success) {
            NSString *msg = error.localizedDescription ?: KBLocalized(@"Network error");
            [KBHUD showInfo:msg];
            return;
        }

        // 添加成功：更新模型状态
        character.added = YES;
        // 刷新顶部与列表 UI
        [self kb_refreshTopThreeView];
        [self.tableView reloadData];
    }];
}

#pragma mark - UITableViewDataSource

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
    return self.listCharacters.count;
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
    HomeHotCell *cell = [tableView dequeueReusableCellWithIdentifier:HomeHotCell.reuseId forIndexPath:indexPath];
    KBCharacter *item = self.listCharacters[indexPath.row];
    // 直接把模型交给 cell，由 cell 自己负责展示
    cell.character = item;
    KBWeakSelf
    __weak typeof(cell) weakCell = cell;
    cell.onTapAction = ^{
        __strong typeof(weakSelf) self = weakSelf;
        HomeHotCell *strongCell = weakCell;
        if (!self || !strongCell) { return; }

        NSIndexPath *current = [self.tableView indexPathForCell:strongCell];
        if (!current) { return; }
        if (current.row >= self.listCharacters.count) { return; }

        KBCharacter *mc = self.listCharacters[current.row];
        // 已添加状态下不允许再次点击
        if (mc.added) { return; }

        NSString *cidStr = mc.ID ?: @"";
        if (cidStr.length == 0) { return; }
        NSNumber *cid = @([cidStr integerValue]);

        [self.homeVM addUserCharacterWithId:cid
                                  completion:^(BOOL success, NSError * _Nullable error) {
            if (!success) {
                NSString *msg = error.localizedDescription ?: KBLocalized(@"Network error");
                [KBHUD showInfo:msg];
                return;
            }

            // 添加成功：更新模型状态并刷新当前行（按钮变为已添加且不可再点）
            mc.added = YES;
            NSMutableArray *m = [self.listCharacters mutableCopy];
            [m replaceObjectAtIndex:current.row withObject:mc];
            self.listCharacters = [m copy];
            [self.tableView reloadRowsAtIndexPaths:@[current] withRowAnimation:UITableViewRowAnimationNone];

            // 同步更新顶部前三名的展示状态
            [self kb_refreshTopThreeView];
        }];
    };
    return cell;
}

#pragma mark - UITableViewDelegate

- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
    return 84.0;
}

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
    [tableView deselectRowAtIndexPath:indexPath animated:YES];
//    KBSearchVC *vc = [[KBSearchVC alloc] init];
//    [self.navigationController pushViewController:vc animated:true];
//    UINavigationController *nav = KB_CURRENT_NAV;
//    [nav pushViewController:vc animated:true];
    NSLog(@"===");

    // 点击卡片 -> 展示弹窗
    KBCharacter *c = self.listCharacters[indexPath.row];

    // 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.character = c;

    // 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 - Lazy

- (BaseTableView *)tableView {
    if (!_tableView) {
        // 使用 BaseTableView，统一默认配置
        _tableView = [[BaseTableView alloc] initWithFrame:CGRectZero style:UITableViewStylePlain];
        _tableView.dataSource = self;
        _tableView.delegate = self;
        _tableView.separatorStyle = UITableViewCellSeparatorStyleNone; // 设计为卡片式，去掉系统分割线
        _tableView.showsVerticalScrollIndicator = NO;
        _tableView.contentInset = UIEdgeInsetsMake(8, 0, KB_SafeAreaBottom(), 0);
        [_tableView registerClass:HomeHotCell.class forCellReuseIdentifier:HomeHotCell.reuseId];
    }
    return _tableView;
}



@end