//
//  PasteboardManager.m
//  msext
//
//  Created on 2025/06/17.
//  Copyright © 2025年. All rights reserved.
//

#import "PasteboardManager.h"

@implementation PasteboardManager

#pragma mark - Public Methods

+ (nullable NSString *)safeReadPasteboardText {
    NSLog(@"🔍 [PasteboardManager] 尝试安全读取剪贴板内容");
    
    if (@available(iOS 14.0, *)) {
        // iOS 14+ 先检查是否有文本内容，避免不必要的权限弹窗
        UIPasteboard *pasteboard = [UIPasteboard generalPasteboard];
        
        if (pasteboard.hasStrings) {
            NSString *text = pasteboard.string;
            NSLog(@"✅ [PasteboardManager] 成功读取剪贴板文本: %@", text ? @"有内容" : @"空内容");
            return text ?: @"";
        } else {
            NSLog(@"ℹ️ [PasteboardManager] 剪贴板中无文本内容");
            return @"";
        }
    } else {
        // iOS 14以下直接读取
        UIPasteboard *pasteboard = [UIPasteboard generalPasteboard];
        NSString *text = pasteboard.string;
        NSLog(@"✅ [PasteboardManager] 读取剪贴板文本: %@", text ? @"有内容" : @"空内容");
        return text ?: @"";
    }
}

+ (void)writeTextToPasteboard:(NSString *)text {
    NSLog(@"🔍 [PasteboardManager] 写入文本到剪贴板: %@", text ? @"有内容" : @"空内容");
    
    UIPasteboard *pasteboard = [UIPasteboard generalPasteboard];
    pasteboard.string = text ?: @"";
    
    NSLog(@"✅ [PasteboardManager] 文本已写入剪贴板");
}

+ (BOOL)hasTextInPasteboard {
    if (@available(iOS 14.0, *)) {
        BOOL hasText = [UIPasteboard generalPasteboard].hasStrings;
        NSLog(@"🔍 [PasteboardManager] 检查剪贴板是否有文本: %@", hasText ? @"是" : @"否");
        return hasText;
    } else {
        // iOS 14以下版本需要直接访问内容来判断
        NSString *text = [UIPasteboard generalPasteboard].string;
        BOOL hasText = (text != nil && text.length > 0);
        NSLog(@"🔍 [PasteboardManager] 检查剪贴板是否有文本: %@", hasText ? @"是" : @"否");
        return hasText;
    }
}

+ (void)clearPasteboard {
    NSLog(@"🔍 [PasteboardManager] 清空剪贴板");
    
    UIPasteboard *pasteboard = [UIPasteboard generalPasteboard];
    pasteboard.string = @"";
    
    NSLog(@"✅ [PasteboardManager] 剪贴板已清空");
}

@end