Kulexiu/KulexiuForStudent/KulexiuForStudent/Module/CloudEngine/View/Help/CloudHelpView.m

//
//  CloudHelpView.m
//  StudentDaya
//
//  Created by Kyle on 2021/12/15.
//  Copyright © 2021 DayaMusic. All rights reserved.
//

#import "CloudHelpView.h"
#import <WebKit/WebKit.h>
#import "WeakWebViewScriptMessageDelegate.h"

@interface CloudHelpView ()

@property (weak, nonatomic) IBOutlet UIButton *guideButton;
@property (weak, nonatomic) IBOutlet UIView *backView;

@property (weak, nonatomic) IBOutlet UIButton *helpButton;
@property (weak, nonatomic) IBOutlet UIView *lineView;
@property (weak, nonatomic) IBOutlet UIView *baseView;
@property (weak, nonatomic) IBOutlet NSLayoutConstraint *lineViewLeft;

@property (nonatomic, strong) UIScrollView *baseScrollView;

@property (nonatomic, strong) WKWebView *guideWebView;

@property (nonatomic, strong) WKWebView *helpWebView;

@property (nonatomic, strong) UIButton *feedbackButton;

@property (nonatomic, strong) CloudFeedbackAction callback;

@end

@implementation CloudHelpView

+ (instancetype)shareInstance {
    CloudHelpView *view = [[[NSBundle mainBundle] loadNibNamed:@"CloudHelpView" owner:nil options:nil] firstObject];
    [view configHelpView];
    return view;
}

- (void)configHelpView {
    
    if (@available(iOS 11.0, *)) {
        self.backView.layer.cornerRadius = 14;
        self.backView.layer.maskedCorners = kCALayerMinXMinYCorner | kCALayerMinXMaxYCorner; // 左上圆角
    }
    else {
        UIBezierPath * path = [UIBezierPath bezierPathWithRoundedRect:self.backView.bounds byRoundingCorners:UIRectCornerTopLeft | UIRectCornerBottomLeft cornerRadii:CGSizeMake(14, 14)];
        CAShapeLayer *maskLayer = [[CAShapeLayer alloc] init];
        maskLayer.frame = self.backView.bounds;
        maskLayer.path = path.CGPath;
        self.backView.layer.mask = maskLayer;
    }

    [self.baseView addSubview:self.baseScrollView];
    [self.baseScrollView addSubview:self.guideWebView];
    [self.baseScrollView addSubview:self.helpWebView];
    [self setUserAgent];
    [self.baseScrollView addSubview:self.feedbackButton];
}



- (void)setUserAgent {
    
    MJWeakSelf;
    [self.guideWebView evaluateJavaScript:@"navigator.userAgent" completionHandler:^(id result, NSError *error) {
        NSString *oldUserAgent = result;
        NSString *newUserAgent = [NSString stringWithFormat:@"%@ %@",oldUserAgent,@"DAYAAPPI"];
        weakSelf.guideWebView.customUserAgent = newUserAgent;
        [weakSelf loadRequestIsGuide:YES];
    }];
    [self.helpWebView evaluateJavaScript:@"navigator.userAgent" completionHandler:^(id result, NSError *error) {
        NSString *oldUserAgent = result;
        NSString *newUserAgent = [NSString stringWithFormat:@"%@ %@",oldUserAgent,@"DAYAAPPI"];
        weakSelf.helpWebView.customUserAgent = newUserAgent;
        [weakSelf loadRequestIsGuide:NO];;
    }];
}

- (void)loadRequestIsGuide:(BOOL)isGuide {
    MJWeakSelf;
    if (isGuide) {
        [self.guideWebView evaluateJavaScript:@"navigator.userAgent" completionHandler:^(id _Nullable result, NSError * _Nullable error) {
            NSLog(@"%@",result);
            NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:[weakSelf getUrlIsGuide:YES]] cachePolicy:NSURLRequestReloadIgnoringLocalCacheData timeoutInterval:60.0f];
            [weakSelf.guideWebView loadRequest:request];
        }];
    }
    else {
        [self.helpWebView evaluateJavaScript:@"navigator.userAgent" completionHandler:^(id _Nullable result, NSError * _Nullable error) {
            NSLog(@"%@",result);
            NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:[weakSelf getUrlIsGuide:NO]] cachePolicy:NSURLRequestReloadIgnoringLocalCacheData timeoutInterval:60.0f];
            [weakSelf.helpWebView loadRequest:request];
        }];
    }
}

- (NSString *)getUrlIsGuide:(BOOL)isGuide {
    NSString *tokenStr = UserDefault(TokenKey);
    NSString *token = nil;
    if (![NSString isEmptyString:tokenStr]) {
        token = [[NSString stringWithFormat:@"Authorization=%@ %@", UserDefault(Token_type), tokenStr] stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet URLQueryAllowedCharacterSet]];
    }
    if (isGuide) {
        NSString *url = @"https://mteaonline.dayaedu.com/#/guide";
        if (![NSString isEmptyString:token]) {
            url = [NSString stringWithFormat:@"%@?%@",url,token];
        }
        return url;
    }
    else {
        NSString *url = @"https://mstuonline.dayaedu.com/#/KeepRepaire?mode=accompany";
        if (![NSString isEmptyString:token]) {
            url = [NSString stringWithFormat:@"%@&%@",url,token];
        }
        return url;
    }
}


- (void)feedbackCallback:(CloudFeedbackAction)callback {
    if (callback) {
        self.callback = callback;
    }
}

- (IBAction)guideAction:(id)sender { // 投屏
    [self configGuideChoose:YES];
}

- (IBAction)helpAction:(id)sender { // 帮助
    [self configGuideChoose:NO];
}

- (void)configGuideChoose:(BOOL)isChooseSettingButton {
    CGFloat positionX = 0.0f;
    NSInteger pageIndex = 0;
    if (isChooseSettingButton) {
        [self.guideButton setTitleColor:THEMECOLOR forState:UIControlStateNormal];
        [self.helpButton setTitleColor:HexRGB(0x1a1a1a) forState:UIControlStateNormal];
        positionX = 65.0f;
        pageIndex = 0;
    }
    else {
        [self.guideButton setTitleColor:HexRGB(0x1a1a1a) forState:UIControlStateNormal];
        [self.helpButton setTitleColor:THEMECOLOR forState:UIControlStateNormal];
        positionX = 225.0f;
        pageIndex = 1;
    }
    [UIView animateWithDuration:0.5f animations:^{
        self.lineViewLeft.constant = positionX;
        [self.baseScrollView setContentOffset:CGPointMake(pageIndex*320, 0)];
    }];
}

- (IBAction)hideButtonAction:(id)sender {
    [self removeFromSuperview];
}

- (void)feedbackButtonAction {
    if (self.callback) {
        self.callback();
    }
}

#pragma mark ---- lazying
- (UIScrollView *)baseScrollView {
    if (!_baseScrollView) {
        CGFloat height = KLandscapeHeight - 55;
        _baseScrollView = [[UIScrollView alloc] initWithFrame:CGRectMake(0, 0, 320, height)];
        [_baseScrollView setContentSize:CGSizeMake(CGRectGetHeight(self.baseView.frame)*2, height)];
        _baseScrollView.scrollEnabled = NO;
    }
    return _baseScrollView;
}

- (WKWebView *)guideWebView {
    if (!_guideWebView) {
        _guideWebView = [[WKWebView alloc] initWithFrame:CGRectMake(0, 0, 320, KLandscapeHeight) configuration:[self getwebConfig]];
        _guideWebView.scrollView.bounces = NO;
    }
    return _guideWebView;
}

- (WKWebView *)helpWebView {
    if (!_helpWebView) {
        _helpWebView = [[WKWebView alloc] initWithFrame:CGRectMake(320, 0, 320, KLandscapeHeight - 55) configuration:[self getwebConfig]];
        _helpWebView.scrollView.bounces = NO;
    }
    return _helpWebView;
}

- (WKWebViewConfiguration *)getwebConfig {
    WKWebViewConfiguration *config = [[WKWebViewConfiguration alloc] init];
    config.selectionGranularity = WKSelectionGranularityDynamic;
    config.allowsInlineMediaPlayback = YES;
    if (@available(iOS 10.0, *)) {
        config.mediaTypesRequiringUserActionForPlayback = NO;
    } else {
        // Fallback on earlier versions
        config.requiresUserActionForMediaPlayback = NO;
    }
    config.processPool = [CloudHelpView singleWkProcessPool];
    config.websiteDataStore = [WKWebsiteDataStore defaultDataStore];
    //自定义的WKScriptMessageHandler 是为了解决内存不释放的问题
    WeakWebViewScriptMessageDelegate *weakScriptMessageDelegate = [[WeakWebViewScriptMessageDelegate alloc] initWithDelegate:self];
    //这个类主要用来做native与JavaScript的交互管理
    WKUserContentController * wkUController = [[WKUserContentController alloc] init];
    [wkUController addScriptMessageHandler:weakScriptMessageDelegate name:@"DAYA"];
    config.userContentController = wkUController;
    
    WKPreferences *preferences = [WKPreferences new];
    // 是否支出javaScript
    preferences.javaScriptEnabled = YES;
    //不通过用户交互，是否可以打开窗口
    preferences.javaScriptCanOpenWindowsAutomatically = YES;
    config.preferences = preferences;
    return config;
}

- (UIButton *)feedbackButton {
    if (!_feedbackButton) {
        _feedbackButton = [UIButton buttonWithType:UIButtonTypeCustom];
        _feedbackButton.frame = CGRectMake(320, KLandscapeHeight - 55 - 55, 320, 55);
        [_feedbackButton setTitle:@"意见反馈 >" forState:UIControlStateNormal];
        [_feedbackButton setTitleColor:THEMECOLOR forState:UIControlStateNormal];
        [_feedbackButton.titleLabel setFont:[UIFont systemFontOfSize:14.0f]];
        [_feedbackButton addTarget:self action:@selector(feedbackButtonAction) forControlEvents:UIControlEventTouchUpInside];
    }
    return _feedbackButton;
}


+ (WKProcessPool*)singleWkProcessPool {
    static WKProcessPool *sharedPool;
    static dispatch_once_t onceToken;
    dispatch_once(&onceToken, ^{
        sharedPool = [[WKProcessPool alloc] init];
    });
    return sharedPool;
}

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

@end