1v1/MSYOUPAI/NewCode/Module/CustomCamera/Controller/YMCustomCameraViewController.m

//
//  YMCustomCameraViewController.m
//  MSYOUPAI
//
//  Created by YoMi on 2024/3/17.
//  Copyright © 2024 MS. All rights reserved.
//

#import "YMCustomCameraViewController.h"
#import "YMCustomCameraViewModel.h"
#import "YMCustomCameraTopFunctionView.h"
#import "YMCustomCameraBottomFunctionView.h"
#import "YMAuthenticationCenterViewController.h"
@interface YMCustomCameraViewController ()
/// 自定义相机VM
@property (nonatomic, strong) YMCustomCameraViewModel *viewModel;
/// 摄像机底部功能视图
@property (nonatomic, strong) YMCustomCameraTopFunctionView *cameraTopFunctionView;
/// 摄像机捕获区域遮罩视图
@property (nonatomic, strong) UIView *cameraCaptureAreaView;
/// 摄像机示例照视图
@property (nonatomic, strong) UIImageView *cameraSamplePhotoView;
/// 摄像机底部功能视图
@property (nonatomic, strong) YMCustomCameraBottomFunctionView *cameraBottomFunctionView;
@end

@implementation YMCustomCameraViewController

@dynamic viewModel;

- (void)viewDidLoad {
    [super viewDidLoad];
    [self setNavHidden:YES];
    self.view.backgroundColor = HexColorFromRGB(0x000000);
}

- (void)viewDidAppear:(BOOL)animated{
    [super viewDidAppear:animated];
    [self deletUnwantedVC];
}

/** 在页面结束或出现记得开启／停止摄像*/
- (void)viewWillAppear:(BOOL)animated{
    [super viewWillAppear:animated];
    if (![self.viewModel.cameraManager.session isRunning]) {
        [self.viewModel.cameraManager.session startRunning];
    }
}

- (void)viewWillDisappear:(BOOL)animated{
    [super viewWillDisappear:animated];
    if ([self.viewModel.cameraManager.session isRunning]) {
        [self.viewModel.cameraManager.session stopRunning];
    }
}

- (void)ym_setupViews{
    [self.view addSubview:self.cameraTopFunctionView];
    [self.view addSubview:self.cameraCaptureAreaView];
    [self.view addSubview:self.cameraSamplePhotoView];
    [self.view addSubview:self.cameraBottomFunctionView];
    [self.view setNeedsUpdateConstraints];
    [self.view updateConstraintsIfNeeded];
}

- (void)updateViewConstraints{
    
    [self.cameraTopFunctionView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(self.view).offset(kYMStatusBarHeight);
        make.left.equalTo(self.view);
        make.right.equalTo(self.view);
        make.height.mas_equalTo(adapt(45));
    }];
    
    [self.cameraCaptureAreaView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.top.equalTo(self.cameraTopFunctionView.mas_bottom);
        make.left.equalTo(self.view);
        make.right.equalTo(self.view);
        make.bottom.equalTo(self.cameraBottomFunctionView.mas_top);
    }];
    
    [self.cameraSamplePhotoView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.equalTo(self.view);
        make.bottom.equalTo(self.cameraBottomFunctionView.mas_top);
        make.width.height.mas_equalTo(adapt(120));
    }];
    
    [self.cameraBottomFunctionView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.equalTo(self.view);
        make.right.equalTo(self.view);
        make.bottom.equalTo(self.view);
        make.height.mas_equalTo(adapt(100));
    }];
    
    
    [super updateViewConstraints];
    
}

- (void)ym_bindViewModel{
    [self.cameraTopFunctionView ym_bindViewModel:self.viewModel];
    [self.cameraBottomFunctionView ym_bindViewModel:self.viewModel];
    
    [self.viewModel getSamplePhotoData];
    
    [self.viewModel.cameraManager configureWithParentLayer:self.cameraCaptureAreaView];
    
    @weakify(self)
    [[[[RACObserve(self.viewModel, samplePhotoUrl) distinctUntilChanged] deliverOnMainThread] takeUntil:self.rac_willDeallocSignal] subscribeNext:^(NSString * samplePhotoUrl) {
        @strongify(self)
        [self.cameraSamplePhotoView sd_setImageWithURL:[LCTools getImageUrlWithAddress:samplePhotoUrl] placeholderImage:[UIImage new] options:SDWebImageRefreshCached];
    }];
}

#pragma mark - 删除不需要的视图控制器
- (void)deletUnwantedVC{
    for (UIViewController *vc in self.navigationController.viewControllers) {
        if ([vc isKindOfClass:[YMAuthenticationCenterViewController class]]) {
            [vc removeFromParentViewController];
        }
    }
}

/// 点击对焦
- (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event{
    UITouch *touch = [touches anyObject];
    CGPoint point = [touch locationInView:self.view];
    [self.viewModel.cameraManager focusInPoint:point];
}

- (YMCustomCameraTopFunctionView *)cameraTopFunctionView{
    if (!_cameraTopFunctionView) {
        _cameraTopFunctionView = [[YMCustomCameraTopFunctionView alloc]init];
    }
    return _cameraTopFunctionView;
}

- (UIView *)cameraCaptureAreaView{
    if (!_cameraCaptureAreaView) {
        _cameraCaptureAreaView = [[UIView alloc]initWithFrame:CGRectMake(0, kYMStatusBarHeight, kFrameWidth, kFrameHeight - kYMStatusBarHeight - adapt(45) - adapt(100))];
    }
    return _cameraCaptureAreaView;
}

- (UIImageView *)cameraSamplePhotoView{
    if (!_cameraSamplePhotoView) {
        _cameraSamplePhotoView = [[UIImageView alloc]init];
    }
    return _cameraSamplePhotoView;
}

- (YMCustomCameraBottomFunctionView *)cameraBottomFunctionView{
    if (!_cameraBottomFunctionView) {
        _cameraBottomFunctionView = [[YMCustomCameraBottomFunctionView alloc]init];
    }
    return _cameraBottomFunctionView;
}
@end