wodeshebao-iOS/我的社保/SheBao/SPSBGuideViewController.m

//
//  SPSBGuideViewController.m
//  我的社保
//
//  Created by shanp on 2021/4/29.
//

#import "SPSBGuideViewController.h"
#import "SPSBUIGeneralHeader.h"

@interface SPSBGuideViewController ()<UIScrollViewDelegate> {
    UIView *_pageControlView;
    UIView *_pageControl;
    UIView *_leftView;
    UIView *_rightView;
    bool _scrollLeft;
    UIButton *_nextButton;
}

@end

@implementation SPSBGuideViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    [self setupUI];
}

#pragma mark - Action
- (void)nextAction {
    if (_spsb_nextAction) {
        _spsb_nextAction();
    }
}

#pragma mark - UIScrollViewDelegate
- (void)scrollViewWillBeginDragging:(UIScrollView *)scrollView {
    _scrollLeft = scrollView.contentOffset.x == 0;
}

- (void)scrollViewDidScroll:(UIScrollView *)scrollView {
    if (scrollView.contentOffset.x < jxh_screenWidth()) {
        _nextButton.hidden = true;
    } else {
        _nextButton.hidden = false;
        _nextButton.layer.transform = CATransform3DMakeScale(0.001, 0.001, 1);
        
        [UIView animateWithDuration:0.2 animations:^{
            // 按照比例scalex=0.001,y=0.001进行缩小
            self -> _nextButton.layer.transform = CATransform3DMakeScale(1, 1, 1);
            
        }];
        
    }
    if (scrollView.contentOffset.x / jxh_screenWidth() >= 0 && scrollView.contentOffset.x / jxh_screenWidth() <= 1) {
        [_pageControl makeConstraints:^(JXHConstraintMaker *make) {
            make.leading.update(scrollView.contentOffset.x / jxh_screenWidth() * 18);
        }];
    }
    if (_scrollLeft) {
        _leftView.hidden = false;
        _rightView.hidden = scrollView.contentOffset.x > 0;
    } else {
        _rightView.hidden = false;
        _leftView.hidden = scrollView.contentOffset.x < jxh_screenWidth();
    }
}

#pragma mark - Network Action
#pragma mark - UI
- (void)setupUI {
    UIScrollView *guidanceScrollView = [UIScrollView convenienceWithBackgroundColor:spsb_FFFFFF_color(1.f)];
    guidanceScrollView.delegate = self;
    guidanceScrollView.bounces = false;
    guidanceScrollView.pagingEnabled = true;
    [self.view addSubview:guidanceScrollView];
    [guidanceScrollView makeConstraints:^(JXHConstraintMaker *make) {
        make.edges.equalTo(self.view);
    }];
    
    UIView *bgView = UIView.new;
    [guidanceScrollView addSubview:bgView];
    [bgView makeConstraints:^(JXHConstraintMaker *make) {
        make.edges.equalTo(guidanceScrollView);
        make.size.equalTo(CGSizeMake(jxh_screenWidth() * 2, jxh_screenHeight()));
    }];
    for (NSInteger i = 0; i < 2; i ++) {
        NSString *imageName = [NSString stringWithFormat:@"guide_w_%ld", (long)i + 1];
        UIImageView *imageView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:imageName]];
        [guidanceScrollView addSubview:imageView];
        [imageView makeConstraints:^(JXHConstraintMaker *make) {
            make.centerX.equalTo(guidanceScrollView).offset(jxh_screenWidth() * i);
            make.size.equalTo(CGSizeMake(jxh_screenWidth(), 0.16 * jxh_screenWidth()));
            if (jxh_screenHeight() == 480) {
                make.top.equalTo(50);
            } else if (jxh_screenHeight() == 896) {
                if (@available(iOS 11.0, *)) {
                    make.top.equalTo(self.view.safetop).offset(jxh_navigationViewHeight() + 60);
                } else {
                    make.top.equalTo(self.view.top).offset(jxh_navigationViewHeight() + jxh_statusBarHeight() + 60);
                }
            } else {
                if (@available(iOS 11.0, *)) {
                    make.top.equalTo(self.view.safetop).offset(jxh_navigationViewHeight() + 10);
                } else {
                    make.top.equalTo(self.view.top).offset(jxh_navigationViewHeight() + jxh_statusBarHeight() + 10);
                }
            }
            
        }];
        
        imageName = [NSString stringWithFormat:@"guide_%ld", (long)i + 1];
        imageView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:imageName]];
        [guidanceScrollView addSubview:imageView];
        [imageView makeConstraints:^(JXHConstraintMaker *make) {
            make.centerX.equalTo(guidanceScrollView).offset(jxh_screenWidth() * i);
            make.size.equalTo(CGSizeMake(jxh_screenWidth(), 0.853 * jxh_screenWidth()));
            if (jxh_screenHeight() == 896) {
                if (@available(iOS 11.0, *)) {
                    make.top.equalTo(self.view.safetop).offset(jxh_navigationViewHeight() + 60 + (jxh_screenHeight() - 480) * 0.25);
                } else {
                    make.top.equalTo(self.view.top).offset(jxh_navigationViewHeight() + jxh_statusBarHeight() + 60 + (jxh_screenHeight() - 480) * 0.25);
                }
            } else {
                if (@available(iOS 11.0, *)) {
                    make.top.equalTo(self.view.safetop).offset(jxh_navigationViewHeight() + 40 + (jxh_screenHeight() - 480) * 0.25);
                } else {
                    make.top.equalTo(self.view.top).offset(jxh_navigationViewHeight() + jxh_statusBarHeight() + 40 + (jxh_screenHeight() - 480) * 0.25);
                }
            }
        }];
    }
    
    _pageControlView = [[UIView alloc] init];
    _pageControlView.backgroundColor = [UIColor whiteColor];
    [self.view addSubview:_pageControlView];
    [_pageControlView makeConstraints:^(JXHConstraintMaker *make) {
        make.centerX.equalTo(self.view);
        if (jxh_screenHeight() == 480) {
            make.bottom.equalTo(self.view.safebottom).offset(- 60);
        } else if (jxh_screenHeight() == 896) {
            make.bottom.equalTo(self.view.safebottom).offset(- 100);
        } else {
            make.bottom.equalTo(self.view.safebottom).offset(- 80);
        }
        
        make.height.equalTo(5);
    }];
    
    _leftView = UIView.new;
    _leftView.backgroundColor = spsb_3296FB_4_color();
    [_leftView setLayerCornerRadius:2.5 clipToBounds:false];
    [_pageControlView addSubview:_leftView];
    [_leftView makeConstraints:^(JXHConstraintMaker *make) {
        make.leading.and.top.and.bottom.equalTo(0);
        make.width.equalTo(10);
    }];
    
    _rightView = UIView.new;
    _rightView.backgroundColor = spsb_3296FB_4_color();
    [_rightView setLayerCornerRadius:2.5 clipToBounds:false];
    [_pageControlView addSubview:_rightView];
    [_rightView makeConstraints:^(JXHConstraintMaker *make) {
        make.trailing.and.top.and.bottom.equalTo(0);
        make.leading.equalTo(self -> _leftView.trailing).offset(8 + 14);
        make.width.equalTo(10);
    }];
    
    _pageControl = UIView.new;
    _pageControl.backgroundColor = spsb_3296FB_color();
    [_pageControl setLayerCornerRadius:2.5 clipToBounds:false];
    [_pageControlView addSubview:_pageControl];
    [_pageControl makeConstraints:^(JXHConstraintMaker *make) {
        make.leading.and.top.and.bottom.equalTo(0);
        make.width.equalTo(24);
    }];
    _nextButton = [UIButton convenienceWithFont:spsb_semiboldFont(17) target:self action:@selector(nextAction)];
    [_nextButton setTitle:@"立即体验" titleColor:spsb_FFFFFF_color(1.f) image:nil backgroundImage:jxh_getImage(confirm_n) state:JXHButtonControlStateNormal];
    [_nextButton setBackgroundImage:jxh_getImage(confirm_h) state:JXHButtonControlStateHighlighted];
    _nextButton.hidden = true;
    [_nextButton setLayerCornerRadius:25 clipToBounds:true];
    [self.view addSubview:_nextButton];
    [_nextButton makeConstraints:^(JXHConstraintMaker *make) {
        make.leading.equalTo(48);
        make.trailing.equalTo(-48);
        make.height.equalTo(50);
        make.centerY.equalTo(self -> _pageControlView);
    }];
}

@end