//
//  QXTabBar.m
//  FreeTabbar_JoeJin
//
//  Created by J-Mac on 2024/5/24.
//  Copyright © 2024 JoeJin-QQ:853105953. All rights reserved.
//

#import "QXTabBar.h"
#import <Masonry/Masonry.h>
#import "QXTabbarConfig.h"
#import "QXTabBarButton.h"

@interface QXTabBar()<QXTabBarButtonDelegate>
/// 当前选中的按钮
@property (nonatomic, weak) QXTabBarButton *selectedButton;
/// UITabBarItem对象数组
@property(nonatomic, strong)NSMutableArray *tabbarBtnArray;
/// norImage
@property (nonatomic, strong) NSMutableArray *norImageArrM;
/// SelImage
@property (nonatomic, strong) NSMutableArray *selImageArrM;
/// 背景图片
@property (nonatomic, strong) UIImageView *bgImageView;
@property (nonatomic, assign) BOOL centerCustom;

@property (nonatomic, weak) QXTabBarButton *messageBtn;
@end

@implementation QXTabBar

- (NSMutableArray *)tabbarBtnArray {
    if (!_tabbarBtnArray) {
        _tabbarBtnArray = [NSMutableArray array];
    }
    return  _tabbarBtnArray;
}

- (NSMutableArray *)norImageArrM {
    if (!_norImageArrM) {
        _norImageArrM = [NSMutableArray array];
    }
    return _norImageArrM;
}

- (NSMutableArray *)selImageArrM {
    if (!_selImageArrM) {
        _selImageArrM = [NSMutableArray array];
    }
    return _selImageArrM;
}

- (UIImageView *)bgImageView {
    if (!_bgImageView) {
        _bgImageView = [[UIImageView alloc]initWithImage:[UIImage imageNamed:@"tabbar背景"]];
        _bgImageView.userInteractionEnabled = YES;
    }
    return _bgImageView;
}

- (instancetype)initWithFrame:(CGRect)frame centerCustom:(BOOL)centerCustom config:(QXTabbarConfig *)config{
    self = [super initWithFrame:frame];
    if (self) {
        self.centerCustom = self.centerCustom;
        [self addSubview:self.bgImageView];
        [self.bgImageView mas_makeConstraints:^(MASConstraintMaker *make) {
            make.top.equalTo(self).offset(0);//[[QXTabbarConfig shareInstance]bgImageOffset]
            make.left.right.equalTo(self);
            make.bottom.equalTo(self);
        }];
    }
    return self;
}


- (void)addTabBarButtonNorImageUrl:(NSString *)norImageUrl
                       selImageUrl:(NSString *)selImageUrl
                             title:(NSString *)title {
    
    // 1.创建按钮
    QXTabBarButton *tabBarBtn = [[QXTabBarButton alloc] init];
    tabBarBtn.delegate = self;
    [self addSubview:tabBarBtn];
    // 2.设置数据
    [tabBarBtn setTabBarImageUrl:norImageUrl selectedImg:selImageUrl title:title];
    // 3.监听按钮点击
    [tabBarBtn addTarget:self action:@selector(buttonClick:) forControlEvents:UIControlEventTouchDown];
    // 4.将自定义的YBTabBarButton对象
    [self.tabbarBtnArray addObject:tabBarBtn];
    [self.norImageArrM addObject:norImageUrl];
    // 5.默认选中第0个按钮
    if (self.tabbarBtnArray.count == 1) {
        [self buttonClick:tabBarBtn];
        [tabBarBtn.iconBtn setSelected:YES];
    }
    
    if ([title isEqualToString:QXText(@"消息")]) {
        self.messageBtn = tabBarBtn;
    }
}

-(void)setUnReadNumber:(UInt64)unReadNumber{
    _unReadNumber = unReadNumber;
    [self.messageBtn.unreadView setNum:unReadNumber];
}

/// 当前点击的按钮置为选中样式
#pragma mark - 设置选中的ybButton
- (void)JJDealSelectButton:(QXTabBarButton *)ybButton  {
    for (int i = 0; i < self.tabbarBtnArray.count; i++) {
        QXTabBarButton *currentButton = self.tabbarBtnArray[i];
        if (currentButton == ybButton) {
            [currentButton.iconBtn setSelected:YES];
            currentButton.titleLbl.textColor = QXConfig.themeColor;
        } else {
            [currentButton.iconBtn setSelected:NO];
            currentButton.titleLbl.textColor = [[QXTabbarConfig shareInstance] norTitleColor];
        }
    }
}

#pragma mark -  <QXTabBarButtonDelegate>
- (void)QXTabbarIconButtonClick:(QXTabBarButton *)button {
    [self buttonClick:button];
}

/**
 *  监听按钮点击
 */
- (void)buttonClick:(QXTabBarButton *)button {
    // 1.通知代理
    if ([self.delegate respondsToSelector:@selector(QXTabBar:didSelectedButtonFrom:to:)]) {
        [self.delegate QXTabBar:self didSelectedButtonFrom:self.selectedButton.tag to:button.tag];
    }
    if (![QXGlobal shareGlobal].isLogin && button.tag == QXConfig.tabbarArray.count-1) {
        return;
    }
    // 2.设置按钮的状态
    self.selectedButton.selected = NO;
    button.selected = YES;
    self.selectedButton = button;
    [self JJDealSelectButton:self.selectedButton];
    
}

- (void)layoutSubviews {
    [super layoutSubviews];
    
    // 按钮的frame数据
    CGFloat buttonH = self.frame.size.height;
    CGFloat buttonW = self.frame.size.width / self.tabbarBtnArray.count;
    CGFloat buttonY = 0;
    for (int index = 0; index<self.tabbarBtnArray.count; index++) {
        // 1.取出按钮
        QXTabBarButton *button = self.tabbarBtnArray[index];
        // 2.设置按钮的frame
        CGFloat buttonX = index * buttonW;
        
        if(index==2 && self.centerCustom){
            [button.titleLbl mas_remakeConstraints:^(MASConstraintMaker *make) {
                make.centerX.equalTo(self);
                make.top.equalTo(button.iconBtn.mas_bottom).offset([[QXTabbarConfig shareInstance] titleOffset]);
                make.left.right.equalTo(self);
                make.height.mas_equalTo([[QXTabbarConfig shareInstance]titleHeight]);
            }];
            button.frame = CGRectMake(buttonX, -18, buttonW, buttonH);
            [button.iconBtn mas_remakeConstraints:^(MASConstraintMaker *make) {
                make.centerX.equalTo(button.mas_centerX);
                make.top.equalTo(button.mas_top);
                make.height.width.mas_equalTo(65);
            }];
        }else{
           
            button.frame = CGRectMake(buttonX, buttonY, buttonW, buttonH);
        }
       
        // 3.绑定tag
        button.tag = index;
        
    }
}


@end