//
//  WentingLicenseViewController.m
//  LBUIDemo
//
//  Created by 吴博 on 2021/7/26.
//  Copyright © 2021 xunjiangtao. All rights reserved.
//
#import "WentingLicenseViewController.h"
#import "WentingLicenseWebView.h"

#define kSourceViewWidth self.view.frame.size.width
#define kSourceViewHeight self.view.frame.size.height
#define kViewWidth 280
#define kViewHeight 300
#define kHeaderViewHeight 40
#define kCenterViewHeight 200
#define kFooterViewHeight 50
#define kTitleText @"用户协议和隐私政策"
#define kContentText @"我们非常重视您的个人信息和隐私保护。为了更好地保障您的个人权益，请在享受我们的服务前，详细阅读并同意<a href=\"http://www.pkey.cn/pp/protocol.html\">《用户协议》</a>和<a href=\"http://www.pkey.cn/pp/privacy.html\">《隐私政策》</a>。如您同意，请点击“同意”"
#define kCancelBtnText @"拒绝"
#define kConfirmBtnText @"同意"

@interface WentingLicenseViewController()

@property (nonatomic, strong) UIWindow *window;
@end

@implementation WentingLicenseViewController

- (id)init {
    id controller = [super init];
    if (self.window == nil) {
        self.window = [[UIWindow alloc] initWithFrame:[UIScreen mainScreen].bounds];
    }
    self.window.rootViewController = controller;
    self.window.backgroundColor = [UIColor blackColor];
    self.window.hidden = NO;
    [self.window makeKeyAndVisible];
    return controller;
}

- (void)remove {
    __weak WentingLicenseViewController *weakSelf = self;
    [self dismissViewControllerAnimated:NO completion:^{
        if (weakSelf.window != nil) {
            weakSelf.window.hidden = YES;
            weakSelf.window = nil;
        }
    }];
}

- (void)dealloc {
    if (self.window != nil) {
        self.window.hidden = YES;
        self.window = nil;
    }
}

- (void)viewDidLoad {
    [super viewDidLoad];
    self.view.backgroundColor = [UIColor blackColor];
    [self setupSubviews];
}

- (BOOL)prefersStatusBarHidden {
    return YES;
}

- (void)setupSubviews {
    [self setupHeaderViews];
    [self setupCenterViews];
    [self setupFooterViews];
}

- (void)setupHeaderViews {
    CGRect frame = CGRectMake((kSourceViewWidth - kViewWidth) / 2,
                              (kSourceViewHeight - kViewHeight) / 2, kViewWidth, kHeaderViewHeight);
    UIImageView *imageView = [[UIImageView alloc] init];
    imageView.backgroundColor = [UIColor whiteColor];
    imageView.frame = frame;
    [self.view addSubview:imageView];
    
    UILabel *label = [[UILabel alloc] init];
    label.frame = frame;
    label.font = [UIFont systemFontOfSize:20];
    label.textColor = [UIColor blackColor];
    label.textAlignment = NSTextAlignmentCenter;
    label.text = kTitleText;
    [self.view addSubview:label];
}

- (void)setupCenterViews {
    CGRect frame = CGRectMake((kSourceViewWidth - kViewWidth) / 2,
                              (kSourceViewHeight - kViewHeight) / 2 + kHeaderViewHeight, kViewWidth, kCenterViewHeight);
    
    UITextView *textView = [[UITextView alloc] init];
    textView.frame = frame;
    textView.backgroundColor = [UIColor whiteColor];
    textView.font = [UIFont systemFontOfSize:13];
    textView.textColor = [UIColor blackColor];
    textView.textAlignment = NSTextAlignmentLeft;
    NSAttributedString *attrStr = [[NSAttributedString alloc] initWithData:[kContentText dataUsingEncoding:NSUnicodeStringEncoding] options:@{NSDocumentTypeDocumentAttribute:NSHTMLTextDocumentType} documentAttributes:nil error:nil];
    textView.attributedText = attrStr;
    textView.userInteractionEnabled = true;
    [textView setEditable:false];
    [textView setSelectable:false];
    [textView setScrollEnabled:true];
    UITapGestureRecognizer *recognizer = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(richTextClickSel:)];
    [textView addGestureRecognizer:recognizer];
    [self.view addSubview:textView];
    [self contentSizeToFit:textView fontSize:13];
}

- (void)setupFooterViews {
    CGRect frame1 = CGRectMake((kSourceViewWidth - kViewWidth) / 2,
                              (kSourceViewHeight - kViewHeight) / 2 + kHeaderViewHeight + kCenterViewHeight, kViewWidth / 2, kFooterViewHeight);
    CGRect frame2 = CGRectMake(kSourceViewWidth / 2,
                              (kSourceViewHeight - kViewHeight) / 2 + kHeaderViewHeight + kCenterViewHeight, kViewWidth / 2, kFooterViewHeight);

    
    UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
    button.backgroundColor = [UIColor grayColor];
    button.frame = frame1;
    button.titleLabel.font = [UIFont systemFontOfSize:14];
    [button setTitle:kCancelBtnText forState:UIControlStateNormal];
    [button setTitleColor:[UIColor colorWithRed:202 green:202 blue:202 alpha:255] forState:UIControlStateNormal];
    [button addTarget:self action:@selector(cancelBtnSel:) forControlEvents:UIControlEventTouchUpInside];
    [self.view addSubview:button];
    
    button = [UIButton buttonWithType:UIButtonTypeCustom];
    button.backgroundColor = [UIColor greenColor];
    button.frame = frame2;
    button.titleLabel.font = [UIFont systemFontOfSize:14];
    [button setTitle:kConfirmBtnText forState:UIControlStateNormal];
    [button setTitleColor:[UIColor colorWithRed:104 green:221 blue:228 alpha:255] forState:UIControlStateNormal];
    [button addTarget:self action:@selector(comfirmBtnSel:) forControlEvents:UIControlEventTouchUpInside];
    [self.view addSubview:button];
}

- (void)cancelBtnSel:(UIButton *)button {
    if (self.cancelAction) {
        self.cancelAction();
    }
}

- (void)comfirmBtnSel:(UIButton *)button {
    if (self.confirmAction) {
        self.confirmAction();
    }
}

- (void)richTextClickSel:(UIGestureRecognizer *)recognizer {
    UITextView *textView = (UITextView *)recognizer.view;
    CGPoint point = [recognizer locationInView:textView];
    point.x -= textView.textContainerInset.left;
    point.y -= textView.textContainerInset.top;
    NSUInteger val = [[textView layoutManager] glyphIndexForPoint:point inTextContainer:[textView textContainer]];
    NSAttributedString* attrTxt = textView.attributedText;
    NSDictionary<NSAttributedStringKey, id> *dic = [attrTxt attributesAtIndex:val effectiveRange:nil];
    for (id key in dic) {
        if (key == NSLinkAttributeName)
        {
            NSString *urlStr = [NSString stringWithFormat:@"%@", [dic objectForKey:key]];
            WentingLicenseWebView *webview = [[WentingLicenseWebView alloc] initWithUrl:urlStr];
            webview.modalPresentationStyle = UIModalPresentationFullScreen;
            webview.modalPresentationCapturesStatusBarAppearance = true;
            if (self.presentedViewController) {
                [self.presentedViewController dismissViewControllerAnimated:NO completion:^{
                    [self presentViewController:webview animated:NO completion:nil];
                }];
            } else {
                [self presentViewController:webview animated:NO completion:nil];
            }
        }
    }
}

- (void)contentSizeToFit:(UITextView *)textView fontSize:(CGFloat)fontSize
{
    //先判断一下有没有文字（没文字就没必要设置居中了）
    if([textView.text length]>0)
    {
        //textView的contentSize属性
        CGSize contentSize = textView.contentSize;
        //textView的内边距属性
        UIEdgeInsets offset;
        CGSize newSize = contentSize;
        
        //如果文字内容高度没有超过textView的高度
        if(contentSize.height <= textView.frame.size.height)
        {
            //textView的高度减去文字高度除以2就是Y方向的偏移量，也就是textView的上内边距
            CGFloat offsetY = (textView.frame.size.height - contentSize.height)/2;
            offset = UIEdgeInsetsMake(offsetY, 0, 0, 0);
        }
        else          //如果文字高度超出textView的高度
        {
            newSize = textView.frame.size;
            offset = UIEdgeInsetsZero;

           //通过一个while循环，设置textView的文字大小，使内容不超过整个textView的高度（这个根据需要可以自己设置）
            while (contentSize.height > textView.frame.size.height)
            {
                [textView setFont:[UIFont systemFontOfSize:fontSize--]];
                contentSize = textView.contentSize;
            }
            newSize = contentSize;
        }
        
        //根据前面计算设置textView的ContentSize和Y方向偏移量
        [textView setContentSize:newSize];
        [textView setContentInset:offset];
        
    }
}

@end