//
//  YMCaptchaPopupView.m
//  MSYOUPAI
//
//  Created by macmini on 2025/6/7.
//  Copyright © 2025 MS. All rights reserved.
//

#import "YMCaptchaPopupView.h"

@interface YMCaptchaPopupView ()<UITextFieldDelegate>

@property (nonatomic, strong) UIView *backgroundMaskView;
@property (nonatomic, strong) UIView *contentView;
@property (nonatomic, strong) UILabel *titleLabel;
@property (nonatomic, strong) UITextField *inputTextField;
@property (nonatomic, strong) UIImageView *captchaImageView;
@property (nonatomic, strong) UIButton *cancelButton;
@property (nonatomic, strong) UIButton *confirmButton;

@end

@implementation YMCaptchaPopupView

- (instancetype)initWithFrame:(CGRect)frame {
    self = [super initWithFrame:frame];
    if (self) {
        [self setupUI];
        [self loadCaptchaImage];
    }
    return self;
}

- (void)setupUI {
    self.backgroundColor = [UIColor clearColor];

    // Background Mask
    self.backgroundMaskView = [[UIView alloc] initWithFrame:self.bounds];
    self.backgroundMaskView.backgroundColor = [UIColor colorWithWhite:0 alpha:0.5];
    self.backgroundMaskView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
    [self addSubview:self.backgroundMaskView];
    UITapGestureRecognizer *tapGesture = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(dismiss)];
    [self.backgroundMaskView addGestureRecognizer:tapGesture];

    // Content View
    self.contentView = [[UIView alloc] init];
    self.contentView.backgroundColor = [UIColor whiteColor];
    self.contentView.layer.cornerRadius = 10.0;
    self.contentView.clipsToBounds = YES;
    [self.contentView addGestureRecognizer:[[UITapGestureRecognizer alloc] initWithActionBlock:^(id  _Nonnull sender) { }]];
    [self addSubview:self.contentView];

    // Title Label
    self.titleLabel = [[UILabel alloc] init];
    self.titleLabel.text = @"图形验证";
    self.titleLabel.font = [UIFont boldSystemFontOfSize:18.0];
    self.titleLabel.textAlignment = NSTextAlignmentCenter;
    [self.contentView addSubview:self.titleLabel];

    // Input TextField
    self.inputTextField = [[UITextField alloc] init];
    self.inputTextField.font = [UIFont systemFontOfSize:14 weight:(UIFontWeightRegular)];
    self.inputTextField.placeholder = @"请输入验证码(不区分大小写)";
    self.inputTextField.borderStyle = UITextBorderStyleRoundedRect;
    self.inputTextField.autocapitalizationType = UITextAutocapitalizationTypeNone;
    self.inputTextField.delegate = self;
    [self.contentView addSubview:self.inputTextField];

    // Captcha ImageView
    self.captchaImageView = [[UIImageView alloc] init];
    self.captchaImageView.backgroundColor = [UIColor lightGrayColor]; // Placeholder color
    self.captchaImageView.contentMode = UIViewContentModeScaleToFill;
    self.captchaImageView.userInteractionEnabled = YES;
    self.captchaImageView.clipsToBounds = YES;
    self.captchaImageView.layer.cornerRadius = 5; // Approximate from image
    // You might want to add a tap gesture to refresh the captcha
    // For example:
     UITapGestureRecognizer *captchaTap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(refreshCaptcha)];
     [self.captchaImageView addGestureRecognizer:captchaTap];
    [self.contentView addSubview:self.captchaImageView];

    // Cancel Button
    self.cancelButton = [UIButton buttonWithType:UIButtonTypeSystem];
    [self.cancelButton setTitle:@"取消" forState:UIControlStateNormal];
    [self.cancelButton setTitleColor:[UIColor grayColor] forState:UIControlStateNormal];
    self.cancelButton.titleLabel.font = [UIFont systemFontOfSize:16.0];
    self.cancelButton.backgroundColor = [UIColor colorWithRed:0.95 green:0.95 blue:0.95 alpha:1.0]; // Light gray background
    self.cancelButton.layer.cornerRadius = 25; // Approximate from image
    [self.cancelButton addTarget:self action:@selector(cancelButtonTapped) forControlEvents:UIControlEventTouchUpInside];
    [self.contentView addSubview:self.cancelButton];

    // Confirm Button
    self.confirmButton = [UIButton buttonWithType:UIButtonTypeSystem];
    [self.confirmButton setTitle:@"确定" forState:UIControlStateNormal];
    [self.confirmButton setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
    self.confirmButton.titleLabel.font = [UIFont systemFontOfSize:16.0];
    self.confirmButton.backgroundColor = [UIColor colorWithRed:1.0 green:0.4 blue:0.5 alpha:1.0]; // Pinkish color
    self.confirmButton.layer.cornerRadius = 25; // Approximate from image
    [self.confirmButton addTarget:self action:@selector(confirmButtonTapped) forControlEvents:UIControlEventTouchUpInside];
    [self.contentView addSubview:self.confirmButton];
    
    [self setupLayoutConstraints];
}

- (void)setupLayoutConstraints {
    self.contentView.translatesAutoresizingMaskIntoConstraints = NO;
    self.titleLabel.translatesAutoresizingMaskIntoConstraints = NO;
    self.inputTextField.translatesAutoresizingMaskIntoConstraints = NO;
    self.captchaImageView.translatesAutoresizingMaskIntoConstraints = NO;
    self.cancelButton.translatesAutoresizingMaskIntoConstraints = NO;
    self.confirmButton.translatesAutoresizingMaskIntoConstraints = NO;

    CGFloat contentWidth = CGRectGetWidth(UIScreen.mainScreen.bounds) - 60;
    CGFloat contentHeight = adapt(220); // Adjusted height

    [NSLayoutConstraint activateConstraints:@[
        [self.contentView.centerXAnchor constraintEqualToAnchor:self.centerXAnchor],
        [self.contentView.centerYAnchor constraintEqualToAnchor:self.centerYAnchor],
        [self.contentView.widthAnchor constraintEqualToConstant:contentWidth],
        [self.contentView.heightAnchor constraintEqualToConstant:contentHeight],

        [self.titleLabel.topAnchor constraintEqualToAnchor:self.contentView.topAnchor constant:20],
        [self.titleLabel.leadingAnchor constraintEqualToAnchor:self.contentView.leadingAnchor constant:20],
        [self.titleLabel.trailingAnchor constraintEqualToAnchor:self.contentView.trailingAnchor constant:-20],

        [self.inputTextField.topAnchor constraintEqualToAnchor:self.titleLabel.bottomAnchor constant:40],
        [self.inputTextField.leadingAnchor constraintEqualToAnchor:self.contentView.leadingAnchor constant:20],
        [self.inputTextField.heightAnchor constraintEqualToConstant:50],
        
        [self.captchaImageView.leadingAnchor constraintEqualToAnchor:self.inputTextField.trailingAnchor constant:10],
        [self.captchaImageView.trailingAnchor constraintEqualToAnchor:self.contentView.trailingAnchor constant:-20],
        [self.captchaImageView.centerYAnchor constraintEqualToAnchor:self.inputTextField.centerYAnchor],
        [self.captchaImageView.widthAnchor constraintEqualToConstant:100], // Adjust as needed
        [self.captchaImageView.heightAnchor constraintEqualToConstant:49],
        
        [self.inputTextField.trailingAnchor constraintEqualToAnchor:self.captchaImageView.leadingAnchor constant:-10],

        [self.cancelButton.topAnchor constraintEqualToAnchor:self.inputTextField.bottomAnchor constant:30],
        [self.cancelButton.leadingAnchor constraintEqualToAnchor:self.contentView.leadingAnchor constant:20],
        [self.cancelButton.heightAnchor constraintEqualToConstant:50],
        [self.cancelButton.trailingAnchor constraintEqualToAnchor:self.contentView.centerXAnchor constant:-10],

        [self.confirmButton.topAnchor constraintEqualToAnchor:self.inputTextField.bottomAnchor constant:30],
        [self.confirmButton.trailingAnchor constraintEqualToAnchor:self.contentView.trailingAnchor constant:-20],
        [self.confirmButton.heightAnchor constraintEqualToConstant:50],
        [self.confirmButton.leadingAnchor constraintEqualToAnchor:self.contentView.centerXAnchor constant:10],
    ]];
}

- (void)loadCaptchaImage {
    [self getCaptchaImageCompletion:^(UIImage *image) {
        if (image) {
            self.captchaImageView.image = image;
        } else {
            self.captchaImageView.image = ImageByName(@"ym_sound_showcase_refresh_icon");
        }
    }];
}

- (void)inputTextChanged:(UITextField *)textField {
    NSString *text = textField.text;
    if (text.length > 4) {
        textField.text = [text substringToIndex:3];
    }
}


#pragma mark - UITextFieldDelegate
- (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string {
    
    // 如果是删除操作，允许
    if (string.length == 0) {
        return YES;
    }
    
    // 使用正则表达式判断是否只包含字母和数字
    NSString *pattern = @"^[a-zA-Z0-9]+$";
    NSPredicate *predicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", pattern];
    return [predicate evaluateWithObject:string];
}

#pragma mark - Actions

- (void)cancelButtonTapped {
//    if ([self.delegate respondsToSelector:@selector(captchaViewDidCancel)]) {
//        [self.delegate captchaViewDidCancel];
//    }
    
    if (self.cancelButtonTappedBlock) {
        self.cancelButtonTappedBlock();
    }
    [self dismiss];
}

- (void)confirmButtonTapped {
    if (self.confirmButtonTappedBlock) {
        self.confirmButtonTappedBlock(self.inputTextField.text);
    }
    [self dismiss];
    
//    if ([self.delegate respondsToSelector:@selector(captchaViewDidConfirmWithInput:)]) {
//        [self.delegate captchaViewDidConfirmWithInput:self.inputTextField.text];
//    }
    
    
    // Optionally dismiss after confirm, or let the delegate handle it
    // [self dismiss];
}

#pragma mark - Public Methods

- (void)showInView:(UIView *)view {
    self.frame = view.bounds;
    [view addSubview:self];
    self.alpha = 0;
    self.contentView.transform = CGAffineTransformMakeScale(0.5, 0.5);
    [UIView animateWithDuration:0.3 animations:^{
        self.alpha = 1;
        self.contentView.transform = CGAffineTransformIdentity;
    }];
}

- (void)dismiss {
    [UIView animateWithDuration:0.3 animations:^{
        self.alpha = 0;
        self.contentView.transform = CGAffineTransformMakeScale(0.5, 0.5);
    } completion:^(BOOL finished) {
        [self removeFromSuperview];
    }];
}

- (void)setCaptchaImage:(UIImage *)image {
    self.captchaImageView.image = image;
}


 - (void)refreshCaptcha {
     NSLog(@"Refresh captcha tapped");
     [self loadCaptchaImage];
 }

- (void)getCaptchaImageCompletion:(void(^)(UIImage *image))completion {
    NSString * urlstr=[NSString stringWithFormat:@"%@%@",[LCSaveData getBaseURL]?[LCSaveData getBaseURL]:BaseURL,GetCaptcha];
    NSURL *url = [NSURL URLWithString:urlstr];
    if (!url) {
        NSLog(@"Captcha URL is nil");
        return;
    }
    
    NSURLSessionDataTask *task = [[NSURLSession sharedSession] dataTaskWithURL:url completionHandler:^(NSData * _Nullable data, NSURLResponse * _Nullable response, NSError * _Nullable error) {
        if (error) {
            NSLog(@"Error fetching captcha image: %@", error.localizedDescription);
        } else if (data) {
            UIImage *image = [UIImage imageWithData:data];
            if (image) {
                dispatch_async(dispatch_get_main_queue(), ^{
                    completion(image);
                    //self.captchaImageView.image = image;
                });
            } else {
                NSLog(@"Failed to convert data to image");
            }
        } else {
            NSLog(@"No data received for captcha image");
        }
    }];
    [task resume];
}


@end