//
//  PBRetrieveView1.m
//  IphoneBIMe
//
//  Created by zjf on 2020/9/14.
//  Copyright © 2020 ProBIM. All rights reserved.
//
// 获得屏幕尺寸
#define kSCREEN_WIDTH   [[UIScreen mainScreen] bounds].size.width
#define kSCREEN_HEIGHT  [[UIScreen mainScreen] bounds].size.height

//#define MenuView_scale_of_Screen        0.8
#define CoverViewAlpha 0.4

#define CoverViewBackGround [UIColor colorWithRed:52/255.0 green:52/255.0 blue:52/255.0 alpha:1.0]
#import "PBRetrieveView1.h"
@interface PBRetrieveView1()
@property (nonatomic ,assign)CGRect         menuViewframe;
@property (nonatomic ,assign)CGRect         coverViewframe;
@property (nonatomic ,strong)UIView         *coverView;
@property (nonatomic ,strong)UIView         *leftMenuView;
@property (nonatomic ,assign)BOOL           isShowCoverView;
@end
@implementation PBRetrieveView1
+(instancetype)MenuViewWithDependencyView:(UIView *)dependencyView MenuView:(UIView *)leftmenuView isShowCoverView:(BOOL)isCover{
    
    PBRetrieveView1 *menu = [[PBRetrieveView1 alloc]initWithDependencyView:dependencyView MenuView:leftmenuView isShowCoverView:isCover];
    
    return menu;
}

-(instancetype)initWithDependencyView:(UIView *)dependencyView MenuView:(UIView *)leftmenuView isShowCoverView:(BOOL)isCover{
    if(self = [super init]){
        self.isShowCoverView = isCover;

//     [self addPanGestureAtDependencyView:dependencyView];
        self.leftMenuView = leftmenuView;
//      if((CGRectEqualToRect(_coverViewframe, CGRectZero)) == NO){
        self.menuViewframe = leftmenuView.frame;
//      }else{
//      }
        self.coverViewframe = CGRectMake(0, 0, kSCREEN_WIDTH - self.menuViewframe.size.width, self.menuViewframe.size.height);
    }
    return self;
}

-(void)setIsShowCoverView:(BOOL)isShowCoverView
{
    _isShowCoverView = isShowCoverView;

    if(self.isShowCoverView){
        self.coverView.backgroundColor = CoverViewBackGround;
    }else{
        self.coverView.backgroundColor = [UIColor clearColor];
    }

}

-(void)addPanGestureAtDependencyView:(UIView *)dependencyView{
    
    // 屏幕边缘pan手势(优先级高于其他手势)
    UIScreenEdgePanGestureRecognizer *leftEdgeGesture = \
    [[UIScreenEdgePanGestureRecognizer alloc] initWithTarget:self
                                                      action:@selector(handleLeftEdgeGesture:)];
    leftEdgeGesture.edges                             = UIRectEdgeLeft;// 屏幕左侧边缘响应
    [dependencyView addGestureRecognizer:leftEdgeGesture]; //
}


//-(void)initView{

//    if(self.isShowCoverView){
//        self.coverView.backgroundColor = CoverViewBackGround;
//    }else{
//        self.coverView.backgroundColor = [UIColor clearColor];
//    }
//
//    [self setBackgroundColor:[UIColor clearColor]];
//    [self.leftMenuView setBackgroundColor:MenuViewBackgroundColor];
//}


-(void)show {
    UIWindow * window = [[UIApplication sharedApplication].delegate window];
    [window addSubview:self.coverView];
    [window addSubview:self.leftMenuView];
    self.leftMenuView.frame = CGRectMake(kSCREEN_WIDTH + self.menuViewframe.origin.x, self.menuViewframe.origin.y, self.menuViewframe.size.width, self.menuViewframe.size.height);
    self.coverView.frame = CGRectMake(kSCREEN_WIDTH, 0, kSCREEN_WIDTH - self.menuViewframe.size.width, self.menuViewframe.size.height);
//    [UIView animateWithDuration:0.3 animations:^{
//        self.leftMenuView.frame = self.menuViewframe;
//        self.coverView.frame    = self.coverViewframe;
//        self.coverView.alpha = CoverViewAlpha;
//    }];
    [UIView animateWithDuration:0.3 animations:^{
        self.leftMenuView.frame = self.menuViewframe;
        self.coverView.frame    = self.coverViewframe;
    } completion:^(BOOL finished) {
        self.coverView.alpha = CoverViewAlpha;
    }];
}
-(void)hidenWithoutAnimation{
    [self removeCoverAndMenuView];
}
-(void)hidenWithAnimation{
    
    [self coverTap];
}


#pragma mark - 屏幕左侧菜单
-(UIView *)leftMenuView{
    if(_leftMenuView == nil){
        UIView *LeftView = [[UIView alloc]initWithFrame:self.menuViewframe];
        _leftMenuView = LeftView;
    }
    return _leftMenuView;
}


#pragma mark - 遮盖
-(UIView *)coverView {
    
    if (_coverView == nil) {
        
        UIView *Cover = [[UIView alloc]initWithFrame:self.coverViewframe];
        Cover.backgroundColor                     = CoverViewBackGround;
        Cover.alpha                               = 0;
        UITapGestureRecognizer *Click             = [[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(coverTap)];
        [Cover addGestureRecognizer:Click];
        
//        UIGestureRecognizer *panGestureRecognizer = [[UIPanGestureRecognizer alloc]
//                                                     initWithTarget:self
//                                                     action:@selector(handleftPan:)];
//
//        [Cover addGestureRecognizer:panGestureRecognizer];
//        [Click requireGestureRecognizerToFail:panGestureRecognizer];
        
        _coverView = Cover;
    }
    return _coverView;
}

#pragma mark - 屏幕往右滑处理
- (void)handleLeftEdgeGesture:(UIScreenEdgePanGestureRecognizer *)gesture{
    UIWindow * window = [[UIApplication sharedApplication].delegate window];
    [window addSubview:self.coverView];
    [window addSubview:self.leftMenuView];
    // 根据被触摸手势的view计算得出坐标值
    CGPoint translation = [gesture translationInView:gesture.view];
    if(UIGestureRecognizerStateBegan == gesture.state ||
       UIGestureRecognizerStateChanged == gesture.state){
        
        if(translation.x <= self.menuViewframe.size.width){// && self.leftMenuView.frame.origin.x != 0
            
            if(translation.x <= 10){
                self.coverView.frame = CGRectMake(0, self.menuViewframe.origin.y, kSCREEN_WIDTH, self.menuViewframe.size.height);
            }
            
            CGFloat x           = translation.x  - self.menuViewframe.size.width;
            CGFloat y           = self.menuViewframe.origin.y;
            CGFloat w           = self.menuViewframe.size.width;
            CGFloat h           = self.menuViewframe.size.height;
            self.leftMenuView.frame = CGRectMake(x, y, w, h);
            
            self.coverView.frame    = CGRectMake(self.leftMenuView.frame.size.width+x, 0,kSCREEN_WIDTH-self.leftMenuView.frame.size.width-x, h);
            self.coverView.alpha    = CoverViewAlpha*(translation.x / w);
        }else{
            
            self.leftMenuView.frame = self.menuViewframe;
            self.coverView.frame = self.coverViewframe;
        }
    }
    else{
        //结束
        if(translation.x > self.menuViewframe.size.width/2){
            // 展开设置
            [self openMenuView];
        }else{
            // 恢复设置
            [self closeMenuView];
        }
    }
}


#pragma mark - coverView往左滑隐藏
-(void)handleftPan:(UIPanGestureRecognizer*)recognizer{
    
    CGPoint translation = [recognizer translationInView:recognizer.view];
    static CGFloat BeganX;
    
    if(UIGestureRecognizerStateBegan == recognizer.state){
        BeganX = translation.x;
    }
    
    CGFloat Place = (-translation.x) - (-BeganX);
    
    if(UIGestureRecognizerStateBegan == recognizer.state ||
       UIGestureRecognizerStateChanged == recognizer.state){

        CGFloat x           = 0 ;
        CGFloat y           = self.menuViewframe.origin.y;
        CGFloat w           = self.menuViewframe.size.width;
        CGFloat h           = self.menuViewframe.size.height;

        if(Place <= self.leftMenuView.frame.size.width &&  Place >0){
            
            x  = 0 - Place;

//            self.leftMenuView.frame = CGRectMake(x, y, w, h);

            self.coverView.frame    = CGRectMake(self.leftMenuView.frame.size.width-Place, 0,kSCREEN_WIDTH-self.leftMenuView.frame.size.width+Place, h);
            self.coverView.alpha    = CoverViewAlpha*((w - Place) / w);

        }else if(Place >0){
            
             x  = - self.menuViewframe.size.width;
//            CGFloat y           = self.menuViewframe.origin.y;
//            CGFloat w           = self.menuViewframe.size.width;
//            CGFloat h           = self.menuViewframe.size.height;
//            self.leftMenuView.frame = CGRectMake(x, y, w, h);//self.LeftViewFrame;
            self.coverView.frame    = CGRectMake(0, 0,kSCREEN_WIDTH,h);
            
        }else{
            
            x = 0;
//            CGFloat y           = self.menuViewframe.origin.y;
//            CGFloat w           = self.menuViewframe.size.width;
//            CGFloat h           = self.menuViewframe.size.height;

            self.coverView.frame    = CGRectMake(self.leftMenuView.frame.size.width, 0,kSCREEN_WIDTH-self.leftMenuView.frame.size.width, h);
            self.coverView.alpha    = CoverViewAlpha;
        }

         self.leftMenuView.frame = CGRectMake(x, y, w, h);

        
    }else{
        //结束
        if(Place > self.menuViewframe.size.width/2){
            // 收起设置
            [self closeMenuView];
            
        }else{
            // 展开设置
            [self openMenuView];
        }
    }
    
}


-(void)openMenuView{
    
    [UIView animateWithDuration:0.3 animations:^{
        CGFloat x           = 0;
        CGFloat y           = self.menuViewframe.origin.y;
        CGFloat w           = self.menuViewframe.size.width;
        CGFloat h           = self.menuViewframe.size.height;
        self.leftMenuView.frame = CGRectMake(x, y, w, h);
        
        self.coverView.frame    = self.coverViewframe;
        self.coverView.alpha    = CoverViewAlpha;
    }];
}

-(void)closeMenuView{
    [UIView animateWithDuration:0.3 animations:^{
        
        CGFloat x           = -self.menuViewframe.size.width;
        CGFloat y           = self.menuViewframe.origin.y;
        CGFloat w           = self.menuViewframe.size.width;
        CGFloat h           = self.menuViewframe.size.height;
        self.leftMenuView.frame = CGRectMake(x, y, w, h);//self.LeftViewFrame;
        self.coverView.frame    = CGRectMake(0, 0,kSCREEN_WIDTH, self.menuViewframe.size.height);
    } completion:^(BOOL finished) {
        [self removeCoverAndMenuView];
    }];
}
#pragma mark - 点击遮盖移除
-(void)coverTap{
    self.coverView.alpha = 0;
    [UIView animateKeyframesWithDuration:0.3 delay:0 options:UIViewKeyframeAnimationOptionLayoutSubviews animations:^{
        self.leftMenuView.frame = CGRectMake(kSCREEN_WIDTH + self.menuViewframe.origin.x, self.menuViewframe.origin.y, self.menuViewframe.size.width, self.menuViewframe.size.height);
        self.coverView.frame = CGRectMake(kSCREEN_WIDTH, 0, kSCREEN_WIDTH - self.menuViewframe.size.width, self.menuViewframe.size.height);
        self.coverView.alpha    = 0.0;
    } completion:^(BOOL finished) {
        [self.coverView removeFromSuperview];
        [self.leftMenuView removeFromSuperview];
    }];
    
}

#pragma mark - 移除菜单和遮盖
-(void)removeCoverAndMenuView{
    
    self.leftMenuView.frame = CGRectMake(-self.leftMenuView.frame.size.width, 0, self.leftMenuView.frame.size.width, kSCREEN_HEIGHT);
    self.coverView.frame    = CGRectMake(0, 0,kSCREEN_WIDTH, kSCREEN_HEIGHT);
    self.coverView.alpha    = 0.0;
    
    [self.coverView removeFromSuperview];
    [self.leftMenuView removeFromSuperview];
}


//
//-(CGRect)menuViewframe{
//
//    if((CGRectEqualToRect(_menuViewframe,CGRectZero)) == YES){
//
//        //设置左侧菜单
//        CGFloat w                   = kSCREEN_WIDTH * MenuView_scale_of_Screen;
//        CGFloat h                   = kSCREEN_HEIGHT;
//        CGFloat x                   = 0;
//        CGFloat y                   = 0;
//        _menuViewframe = CGRectMake(x , y , w , h);
//    }
//    return _menuViewframe;
//}
//
//
//
//-(CGRect)coverViewframe{
//
//     if((CGRectEqualToRect(_coverViewframe, CGRectZero)) == YES){
//
//        _coverViewframe = CGRectMake(self.menuViewframe.size.width, self.menuViewframe.origin.y, kSCREEN_WIDTH - self.menuViewframe.size.width, self.menuViewframe.size.height);
//    }
//    return _coverViewframe;
//}





/*
// Only override drawRect: if you perform custom drawing.
// An empty implementation adversely affects performance during animation.
- (void)drawRect:(CGRect)rect {
    // Drawing code
}
*/

@end