keyboard/keyBoard/Class/Base/VC/BaseTabBarController.m

//
//  BaseTabBarController.m
//  keyBoard
//
//  Created by Mac on 2025/10/29.
//

#import "BaseTabBarController.h"
#import "HomeMainVC.h"
#import "KBAiMainVC.h"
#import "KBShopVC.h"
#import "MyVC.h"

// #import "KBCommunityVC.h"

#import "BaseNavigationController.h"
#import "KBAuthManager.h"
#import "KBCustomTabBar.h"
#import "Masonry.h"
@interface BaseTabBarController () <KBCustomTabBarDelegate>

/// 自定义 TabBar
@property(nonatomic, strong) KBCustomTabBar *customTabBar;

@end

@implementation BaseTabBarController

- (void)viewDidLoad {
  [super viewDidLoad];

  self.delegate = self;

  // 组装 4 个 Tab：首页 / 商城 / 社区 / 我的
  // 图标位于 Assets.xcassets/Tabbar 下：tab_home/tab_home_selected 等

  // 首页
  HomeMainVC *home = [[HomeMainVC alloc] init];
  BaseNavigationController *navHome =
      [[BaseNavigationController alloc] initWithRootViewController:home];
  navHome.tabBarItem = [self tabItemWithTitle:KBLocalized(@"Home")
                                        image:@"tab_home"
                                  selectedImg:@"tab_home_selected"];

  // 商城
  KBShopVC *shop = [[KBShopVC alloc] init];
  BaseNavigationController *navShop =
      [[BaseNavigationController alloc] initWithRootViewController:shop];
  navShop.tabBarItem = [self tabItemWithTitle:KBLocalized(@"Shop")
                                        image:@"tab_shop"
                                  selectedImg:@"tab_shop_selected"];

  // AI
  KBAiMainVC *aiMainVC = [[KBAiMainVC alloc] init];
  //    community.title = KBLocalized(@"Circle");
  BaseNavigationController *navCommunity =
      [[BaseNavigationController alloc] initWithRootViewController:aiMainVC];
  navCommunity.tabBarItem = [self tabItemWithTitle:KBLocalized(@"Circle")
                                             image:@"tab_shequ"
                                       selectedImg:@"tab_shequ_selected"];

  // 我的
  MyVC *my = [[MyVC alloc] init];
  BaseNavigationController *navMy =
      [[BaseNavigationController alloc] initWithRootViewController:my];
  navMy.tabBarItem = [self tabItemWithTitle:KBLocalized(@"Mine")
                                      image:@"tab_my"
                                selectedImg:@"tab_my_selected"];

  self.viewControllers = @[ navHome, navShop, navCommunity, navMy ];

  // 不隐藏系统 TabBar，而是将自定义视图添加到 TabBar 上
  [self setupCustomTabBarOnNativeTabBar];

  // 测试储存Token
  //    [[KBAuthManager shared] saveAccessToken:@"TEST" refreshToken:nil
  //    expiryDate:[NSDate dateWithTimeIntervalSinceNow:3600]
  //    userIdentifier:nil];
  //    [[KBAuthManager shared] signOut];
}

- (void)setupCustomTabBarOnNativeTabBar {
  // 1. 持续隐藏原生 TabBar 的所有按钮
  [self hideNativeTabBarButtons];

  // 2. 创建自定义 TabBar
  NSMutableArray *items = [NSMutableArray array];
  for (UIViewController *vc in self.viewControllers) {
    [items addObject:vc.tabBarItem];
  }

  self.customTabBar = [[KBCustomTabBar alloc] initWithItems:items];
  self.customTabBar.delegate = self;

  // 3. 设置 frame 覆盖整个 TabBar 区域
  self.customTabBar.frame = self.tabBar.bounds;

  // 4. 使用 autoresizingMask 自动适配尺寸变化
  self.customTabBar.autoresizingMask =
      UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;

  // 5. 将自定义 TabBar 添加到原生 TabBar 上
  [self.tabBar addSubview:self.customTabBar];

  // 6. 禁用原生 TabBar 的交互，只让自定义视图响应
  self.tabBar.userInteractionEnabled = YES;
  for (UIView *subview in self.tabBar.subviews) {
    if (subview != self.customTabBar &&
        ![NSStringFromClass([subview class]) containsString:@"Background"]) {
      subview.userInteractionEnabled = NO;
      subview.hidden = YES;
    }
  }

  // 7. 设置初始背景色（默认选中索引0，白色背景）
  [self.customTabBar setTransparentBackground:NO];
}

- (void)hideNativeTabBarButtons {
  // 移除或隐藏原生 TabBar 的所有子视图（按钮等）
  for (UIView *subview in self.tabBar.subviews) {
    // 保留系统的 _UIBarBackground 背景视图，隐藏其他视图
    if (![NSStringFromClass([subview class]) containsString:@"Background"] &&
        subview != self.customTabBar) {
      subview.hidden = YES;
      subview.alpha = 0;
    }
  }
}

- (void)viewWillAppear:(BOOL)animated {
  [super viewWillAppear:animated];

  // 每次视图即将出现时，确保原生按钮被隐藏
  [self hideNativeTabBarButtons];
}

// 统一构造 TabBarItem，原图渲染，避免被系统 Tint 着色
- (UITabBarItem *)tabItemWithTitle:(NSString *)title
                             image:(NSString *)imageName
                       selectedImg:(NSString *)selectedName {
  UIImage *img = [[UIImage imageNamed:imageName]
      imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];
  UIImage *sel = [[UIImage imageNamed:selectedName]
      imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];
  UITabBarItem *item = [[UITabBarItem alloc] initWithTitle:title
                                                     image:img
                                             selectedImage:sel];
  return item;
}

#pragma mark - KBCustomTabBarDelegate

- (void)customTabBar:(KBCustomTabBar *)tabBar
    didSelectItemAtIndex:(NSInteger)index {
  // 登录检查
  if ((index == 1 || index == 2) && ![KBUserSessionManager shared].isLoggedIn) {
    [[KBUserSessionManager shared] goLoginVC];
    return;
  }

  // 切换 VC
  self.selectedIndex = index;

  // 设置 TabBar 背景（索引2是 KBAiMainVC）
  if (index == 2) {
    [self.customTabBar setTransparentBackground:YES];
  } else {
    [self.customTabBar setTransparentBackground:NO];
  }
}

/*
#pragma mark - Navigation

// In a storyboard-based application, you will often want to do a little
preparation before navigation
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
    // Get the new view controller using [segue destinationViewController].
    // Pass the selected object to the new view controller.
}
*/

@end