Kulexiu/KulexiuForStudent/KulexiuForStudent/Common/Base/TabbarController/KSTabBarViewController.m

//
//  KSTabBarViewController.m
//  KulexiuForTeacher
//
//  Created by Kyle on 2022/3/17.
//

#import "KSTabBarViewController.h"
#import "CustomNavViewController.h"
#import "KSBaseViewController.h"
#import <UIImage+Color.h>
#import "AnimationHelper.h"
#import "MineWorksViewController.h"
#import "KSBaseWKWebViewController.h"

@interface KSTabBarViewController ()<UITabBarControllerDelegate>

@end

@implementation KSTabBarViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view.
    self.delegate = self;
    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(showDraftPage) name:@"DisplayDraft" object:nil];
    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(showWorksPage:) name:@"displayWorks" object:nil];

    [self configItems];
}

- (void)showWorksPage:(NSNotification *)notification {
    [self showWorksDraft:NO info:notification.object];
}

- (void)showWorksDraft:(BOOL)isDraft info:(NSDictionary *)info {
    [self tabBarSelectedWithIndex:4];
    dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.3f * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
        CustomNavViewController *navCtrl = self.selectedViewController;
        MineWorksViewController *ctrl = [[MineWorksViewController alloc] init];
        [ctrl displayDraft:isDraft];
        [navCtrl pushViewController:ctrl animated:YES];
        if (isDraft == NO) {
            // 显示作品详情
            NSString *url = [info ks_stringValueForKey:@"url"];
            if (![NSString isEmptyString:url]) {
                KSBaseWKWebViewController *ctrl = [[KSBaseWKWebViewController alloc] init];
                ctrl.url = url;
                [navCtrl pushViewController:ctrl animated:YES];
            }
        }
    });
}

- (void)showDraftPage {
    [self showWorksDraft:YES info:nil];
}

- (void)configItems {
    // 处理 pad上 tabbar样式
    if (@available(iOS 18.0, *)) {
        if (UIDevice.currentDevice.userInterfaceIdiom == UIUserInterfaceIdiomPad)
        {
            self.traitOverrides.horizontalSizeClass = UIUserInterfaceSizeClassCompact; //TAB BAR ON BOTTOM
        }
    }
    NSArray *controllerArray = @[@"HomeViewController",@"CourseViewController",@"ChatViewController",@"ShopMallViewController",@"MineViewController"];
    NSArray *titleArray = @[@"首页",@"课表",@"聊天",@"商城",@"我的"];
    NSArray *imageArray = @[@"tab_home_unselected",@"tab_course_unselected",@"tab_chat_unselected",@"tab_mall_unselected",@"tab_mine_unselected"];
    NSArray *selectedImgArray = @[@"tab_home_selected",@"tab_course_selected",@"tab_chat_selected",@"tab_mall_selected",@"tab_mine_selected"];
    NSMutableArray *ctrlArray = [NSMutableArray array];
    for (NSInteger i = 0; i < controllerArray.count; i++) {
        CustomNavViewController *navCtrl = [self createNavControllerWithClassName:controllerArray[i] title:titleArray[i] imageName:imageArray[i] selectedImageName:selectedImgArray[i]];
        [ctrlArray addObject:navCtrl];
    }
    self.viewControllers = [NSArray arrayWithArray:ctrlArray];
    if (@available(iOS 13.0, *)) {
        [[UITabBar appearance] setUnselectedItemTintColor:HexRGB(0x999999)];
        [[UITabBar appearance] setTintColor:THEMECOLOR];
    } else {
        [[UITabBarItem appearance] setTitleTextAttributes:@{NSForegroundColorAttributeName:HexRGB(0x999999),NSFontAttributeName:[UIFont systemFontOfSize:10 weight:UIFontWeightMedium]} forState:UIControlStateNormal];
        [[UITabBarItem appearance] setTitleTextAttributes:@{NSForegroundColorAttributeName:THEMECOLOR,NSFontAttributeName:[UIFont systemFontOfSize:10 weight:UIFontWeightMedium]} forState:UIControlStateSelected];
    }
    if (@available(iOS 15.0, *)) {
        // 适配Xcode 13 iOS 15tabbar透明的问题
        UITabBarAppearance * appearance = [[UITabBarAppearance alloc] init];
        [appearance configureWithOpaqueBackground];
        appearance.backgroundColor = UIColor.whiteColor;
        appearance.shadowImage = [UIImage imageWithColor:[UIColor clearColor]];
        [UITabBar appearance].scrollEdgeAppearance = appearance;
        [UITabBar appearance].standardAppearance = appearance;
    }
    [UITabBar appearance].backgroundColor = UIColor.whiteColor;
    self.tabBar.translucent = NO;
}


- (CustomNavViewController *)createNavControllerWithClassName:(NSString *)className title:(NSString *)title imageName:(NSString *)imageName selectedImageName:(NSString *)selectedImageName {
    KSBaseViewController *controller = [[NSClassFromString(className) alloc] init];
    controller.title = title;
    controller.tabBarItem.title = title;
    controller.tabBarItem.image = [[UIImage imageNamed:imageName] imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];
    controller.tabBarItem.selectedImage = [[UIImage imageNamed:selectedImageName] imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];
    [controller.tabBarItem setTitleTextAttributes:@{NSForegroundColorAttributeName:HexRGB(0x999999),NSFontAttributeName:[UIFont systemFontOfSize:10 weight:UIFontWeightMedium]} forState:UIControlStateNormal];
    [controller.tabBarItem setTitleTextAttributes:@{NSForegroundColorAttributeName:THEMECOLOR,NSFontAttributeName:[UIFont systemFontOfSize:10 weight:UIFontWeightMedium]} forState:UIControlStateSelected];
    CustomNavViewController *navCtrl= [[CustomNavViewController alloc] initWithRootViewController:controller];
    return navCtrl;
}




#pragma mark ----- UITabBarControllerDelegate

- (void)tabBarController:(UITabBarController *)tabBarController didSelectViewController:(UIViewController *)viewController {
    BOOL isDoubleClick = [self checkIsDoubleClick:viewController];
    if ([viewController isEqual:[tabBarController.viewControllers objectAtIndex:2]] && isDoubleClick) {
        [[NSNotificationCenter defaultCenter] postNotificationName:CHATVIEW_REFRESH object:nil];
    }
    
    [self setAnaimationWithTabBarController:tabBarController selectViewController:viewController];
}
- (void)setAnaimationWithTabBarController:(UITabBarController *)tabBarController selectViewController:(UIViewController *)viewController {
    //1.
    NSInteger index = [tabBarController.viewControllers indexOfObject:viewController];
    __block NSMutableArray <UIView *>*tabBarSwappableImageViews = [NSMutableArray arrayWithCapacity:4];
    //2.
    for (UIView *tempView in tabBarController.tabBar.subviews) {
        if ([tempView isKindOfClass:NSClassFromString(@"UITabBarButton")]) {
            for (UIImageView *tempImageView in tempView.subviews) {
                if ([tempImageView isKindOfClass:NSClassFromString(@"UITabBarSwappableImageView")]) {
                    [tabBarSwappableImageViews addObject:tempImageView];
                }
            }
        }
    }
    //3.
    __block UIView *currentTabBarSwappableImageView = tabBarSwappableImageViews[index];
    [AnimationHelper lottieAnimation:currentTabBarSwappableImageView index:index];
}


- (BOOL)checkIsDoubleClick:(UIViewController *)viewController {

    static UIViewController *lastViewController = nil;
    static NSTimeInterval lastClickTime = 0;
    if (lastViewController != viewController) {
        
        lastViewController = viewController;
        lastClickTime = [NSDate timeIntervalSinceReferenceDate];
        return NO;
    }
    NSTimeInterval clickTime = [NSDate timeIntervalSinceReferenceDate];
    if (clickTime - lastClickTime > 0.5) {
        
        lastClickTime = clickTime;
        return NO;
    }
    lastViewController = nil;
    lastClickTime = 0;
    return YES;
}

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

/*
#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