PDF_Office/PDF Office/PDF Master/Class/PDFTools/HeaderFooter/Tools/KMDataVersionManager.swift

//
//  KMDataVersionManager.swift
//  PDF Reader Pro
//
//  Created by liujiajie on 2023/11/7.
//

import Foundation

let KMHeaderFooterManagerVersion = "KMHeaderFooterManagerVersion"

class KMDataVersionManager: NSObject{
    class func updateBatesData() -> Bool {
        var defaults = UserDefaults.standard
        if  (defaults.object(forKey: KMHeaderFooterManagerVersion) != nil) {
            defaults.setValue("1", forKey: KMHeaderFooterManagerVersion)
            return true
        }
        return false
    }
    
    class func refrshBatesData(bates: KMHeaderFooterObject?) -> KMHeaderFooterObject? {
        if bates == nil {
            return nil
        }
        var str: String 
        if bates?.batesDigits ?? 0 > 0 {
            str = String(format: "%@<<%@,%ld>>%@", bates!.batesPrefixString, bates!.startString, bates!.batesDigits, bates!.batesSuffixString)
        } else {
            str =  String(format: "%@<<%@>>%@", bates!.batesPrefixString, bates!.startString, bates!.batesSuffixString)
        }
        bates!.topLeftString = KMDataVersionManager.newBateString(oldString: bates!.topLeftString, bates: bates!, match: str)
        bates!.topCenterString = KMDataVersionManager.newBateString(oldString: bates!.topCenterString, bates: bates!, match: str)
        bates!.topRightString = KMDataVersionManager.newBateString(oldString: bates!.topRightString, bates: bates!, match: str)
        bates!.bottomLeftString = KMDataVersionManager.newBateString(oldString: bates!.bottomLeftString, bates: bates!, match: str)
        bates!.bottomCenterString = KMDataVersionManager.newBateString(oldString: bates!.bottomCenterString, bates: bates!, match: str)
        bates!.bottomRightString = KMDataVersionManager.newBateString(oldString: bates!.bottomRightString, bates: bates!, match: str)
        return bates
    }
    class func newBateString(oldString: String, bates: KMHeaderFooterObject, match: String) -> String {
        let regex = try! NSRegularExpression(pattern: match, options: []) 
        let results = regex.matches(in: oldString, options: [], range: NSRange(location: 0, length: oldString.count))
        var newString = oldString
        for object in results {
            let range = object.range 
            var tString: String
            if bates.batesDigits > 0 {
                tString = "<<#(bates.batesDigits)#(bates.startString)"
            } else {
                tString = "<<#(bates.startString)"
            }
            if bates.batesPrefixString.count > 0 {
                tString += "#\(bates.batesPrefixString)"
            } else if bates.batesPrefixString.count < 1 && bates.batesSuffixString.count > 0 {
                tString += "#"
            }
            if bates.batesSuffixString.count > 0 {
                tString += "#\(bates.batesSuffixString)"
            }
            tString += ">>"
            let resultStr = (oldString as NSString).substring(with: range) 
            newString = newString.replacingOccurrences(of: resultStr, with: tString)
        }
        return newString
    }
}