//
//  CustomTabbarView.m
//  BuguLive
//
//  Created by qitewei on 2025/8/27.
//  Copyright © 2025 xfg. All rights reserved.
//

#import "CustomTabbarView.h"

@interface CustomTabbarView()
@property (nonatomic, strong) NSMutableArray<UIButton *> *tabBarButtons;
@end

@implementation CustomTabbarView

- (instancetype)initWithFrame:(CGRect)frame
{
    self = [super initWithFrame:frame];
    if (self) {
        [self setupView];
    }
    return self;
}

- (void)setupView {
    self.backgroundColor = [UIColor whiteColor];
    
    // 添加顶部分割线
    UIView *topLine = [[UIView alloc] init];
    topLine.backgroundColor = [UIColor colorWithRed:0.9 green:0.9 blue:0.9 alpha:1.0];
    [self addSubview:topLine];
    topLine.translatesAutoresizingMaskIntoConstraints = NO;
    [NSLayoutConstraint activateConstraints:@[
        [topLine.topAnchor constraintEqualToAnchor:self.topAnchor],
        [topLine.leadingAnchor constraintEqualToAnchor:self.leadingAnchor],
        [topLine.trailingAnchor constraintEqualToAnchor:self.trailingAnchor],
        [topLine.heightAnchor constraintEqualToConstant:0.5]
    ]];
    
    [self addSubview:self.stackView];
    self.stackView.translatesAutoresizingMaskIntoConstraints = NO;
    [NSLayoutConstraint activateConstraints:@[
        [self.stackView.topAnchor constraintEqualToAnchor:self.topAnchor constant:8],
        [self.stackView.leadingAnchor constraintEqualToAnchor:self.leadingAnchor],
        [self.stackView.trailingAnchor constraintEqualToAnchor:self.trailingAnchor],
        [self.stackView.bottomAnchor constraintEqualToAnchor:self.safeAreaLayoutGuide.bottomAnchor constant:-8]
    ]];
}

- (UIStackView *)stackView {
    if (!_stackView) {
        _stackView = [[UIStackView alloc] initWithArrangedSubviews:@[]];
        _stackView.axis = UILayoutConstraintAxisHorizontal;
        _stackView.distribution = UIStackViewDistributionFillEqually;
        _stackView.spacing = 0;
        _stackView.alignment = UIStackViewAlignmentCenter;
    }
    return _stackView;
}

- (NSMutableArray<UIButton *> *)tabBarButtons {
    if (!_tabBarButtons) {
        _tabBarButtons = [NSMutableArray array];
    }
    return _tabBarButtons;
}

- (void)addTabBarItemWithTitle:(NSString *)title 
                   normalImage:(NSString *)normalImage 
                 selectedImage:(NSString *)selectedImage {
    
    QMUIButton *button = [QMUIButton buttonWithType:UIButtonTypeCustom];
    button.imagePosition = QMUIButtonImagePositionTop;
    button.tag = self.tabBarButtons.count;
    
    // 设置图片
    UIImage *normalImg = [UIImage imageNamed:normalImage];
    UIImage *selectedImg = [UIImage imageNamed:selectedImage];
    
    if (normalImg) {
        [button setImage:normalImg forState:UIControlStateNormal];
    }
    if (selectedImg) {
        [button setImage:selectedImg forState:UIControlStateSelected];
    }
    
    // 设置标题
    [button setTitle:title forState:UIControlStateNormal];
    [button setTitleColor:[UIColor colorWithRed:0.6 green:0.6 blue:0.6 alpha:1.0] forState:UIControlStateNormal];
    [button setTitleColor:[UIColor colorWithRed:75.0/255.0 green:200.0/255.0 blue:252.0/255.0 alpha:1.0] forState:UIControlStateSelected];
    
    button.titleLabel.font = [UIFont systemFontOfSize:10];
    
    // 添加点击事件
    [button addTarget:self action:@selector(tabBarButtonClicked:) forControlEvents:UIControlEventTouchUpInside];
    
    // 添加到数组和stackView
    [self.tabBarButtons addObject:button];
    [self.stackView addArrangedSubview:button];
    
    // 如果是第一个按钮，设置为选中状态
    if (self.tabBarButtons.count == 1) {
        [self setSelectedIndex:0 animated:NO];
    }
}

- (void)tabBarButtonClicked:(UIButton *)sender {
    NSInteger index = sender.tag;
    [self setSelectedIndex:index animated:YES];
    
    if (self.delegate && [self.delegate respondsToSelector:@selector(customTabbarView:didSelectItemAtIndex:)]) {
        [self.delegate customTabbarView:self didSelectItemAtIndex:index];
    }
}

- (void)setSelectedIndex:(NSInteger)selectedIndex {
    [self setSelectedIndex:selectedIndex animated:NO];
}

- (void)setSelectedIndex:(NSInteger)selectedIndex animated:(BOOL)animated {
    if (selectedIndex < 0 || selectedIndex >= self.tabBarButtons.count) {
        return;
    }
    
    _selectedIndex = selectedIndex;
    
    // 更新按钮状态
    for (NSInteger i = 0; i < self.tabBarButtons.count; i++) {
        UIButton *button = self.tabBarButtons[i];
        button.selected = (i == selectedIndex);
        
        if (animated) {
            [UIView animateWithDuration:0.2 animations:^{
                button.transform = (i == selectedIndex) ? CGAffineTransformMakeScale(1.1, 1.1) : CGAffineTransformIdentity;
            } completion:^(BOOL finished) {
                if (i == selectedIndex) {
                    [UIView animateWithDuration:0.1 animations:^{
                        button.transform = CGAffineTransformIdentity;
                    }];
                }
            }];
        }
    }
}

@end