//
//  KMSelfSignAnnotationFreeText.swift
//  PDF Reader Pro
//
//  Created by lizhe on 2023/10/12.
//

import Quartz

@objc enum KMSelfSignAnnotationFreeTextSubType: Int {
    case none = 0
    case freeText
    case date
    case profile
}

@objcMembers class KMSelfSignAnnotationFreeText: CPDFFreeTextAnnotation {
    var subType: KMSelfSignAnnotationFreeTextSubType = .freeText
    var date: Date?
    var includeTimeDateArray: [Any]?
    var excludeTimeDateArray: [Any]?
    
    static func dateFormatterArray() -> [String] {
        return ["Default",
                "m/d",
                "m/d/yy",
                "m/d/yyyy",
                "mm/dd/yy",
                "mm/dd/yyyy",
                "d/m/yy",
                "d/m/yyyy",
                "dd/mm/yy",
                "dd/mm/yyyy",
                "mm/yy",
                "mm/yyyy",
                "m.d.yy",
                "m.d.yyyy",
                "mm.dd.yy",
                "mm.dd.yyyy",
                "mm.yy",
                "mm.yyyy",
                "d.m.yy",
                "d.m.yyyy",
                "dd.mm.yy",
                "dd.mm.yyyy",
                "yy-mm-dd",
                "yyyy-mm-dd"]
    }
    
    static func fetchDateString(with index: Int, includeTime: Bool) -> String {
        let dateFormatterArray = dateFormatterArray()
        let formatter = DateFormatter()
        
        if index < 0 || index >= dateFormatterArray.count {
            return ""
        }
        
        let dateStyleString = dateFormatterArray[index]
        if dateStyleString == "m/d" {
            formatter.dateFormat = includeTime ? "M/dd HH:mm:ss" : "M/dd"
        } else if dateStyleString == "m/d/yy" {
            formatter.dateFormat = includeTime ? "M/d/yy HH:mm:ss" : "M/d/yy"
        } else if dateStyleString == "m/d/yyyy" {
            formatter.dateFormat = includeTime ? "M/d/yyyy HH:mm:ss" : "M/d/yyyy"
        } else if dateStyleString == "mm/dd/yy" {
            formatter.dateFormat = includeTime ? "MM/dd/yy HH:mm:ss" : "MM/dd/yy"
        } else if dateStyleString == "mm/dd/yyyy" {
            formatter.dateFormat = includeTime ? "MM/dd/yyyy HH:mm:ss" : "MM/dd/yyyy"
        } else if dateStyleString == "d/m/yy" {
            formatter.dateFormat = includeTime ? "d/M/yy HH:mm:ss" : "d/M/yy"
        } else if dateStyleString == "d/m/yyyy" {
            formatter.dateFormat = includeTime ? "d/M/yyyy HH:mm:ss" : "d/M/yyyy"
        } else if dateStyleString == "dd/mm/yy" {
            formatter.dateFormat = includeTime ? "dd/MM/yy HH:mm:ss" : "dd/MM/yy"
        } else if dateStyleString == "dd/mm/yyyy" {
            formatter.dateFormat = includeTime ? "dd/MM/yyyy HH:mm:ss" : "dd/MM/yyyy"
        } else if dateStyleString == "mm/yy" {
            formatter.dateFormat = includeTime ? "MM/yy HH:mm:ss" : "MM/yy"
        } else if dateStyleString == "mm/yyyy" {
            formatter.dateFormat = includeTime ? "MM/yyyy HH:mm:ss" : "MM/yyyy"
        } else if dateStyleString == "m.d.yy" {
            formatter.dateFormat = includeTime ? "M.d.yy HH:mm:ss" : "M.d.yy"
        } else if dateStyleString == "m.d.yyyy" {
            formatter.dateFormat = includeTime ? "M.d.yyyy HH:mm:ss" : "M.d.yyyy"
        } else if dateStyleString == "mm.dd.yy" {
            formatter.dateFormat = includeTime ? "MM.dd.yy HH:mm:ss" : "MM.dd.yy"
        } else if dateStyleString == "mm.dd.yyyy" {
            formatter.dateFormat = includeTime ? "MM.dd.yyyy HH:mm:ss" : "MM.dd.yyyy"
        } else if dateStyleString == "mm.yy" {
            formatter.dateFormat = includeTime ? "MM.yy HH:mm:ss" : "MM.yy"
        } else if dateStyleString == "mm.yyyy" {
            formatter.dateFormat = includeTime ? "MM.yyyy HH:mm:ss" : "MM.yyyy"
        } else if dateStyleString == "d.m.yy" {
            formatter.dateFormat = includeTime ? "d.M.yy HH:mm:ss" : "d.M.yy"
        } else if dateStyleString == "d.m.yyyy" {
            formatter.dateFormat = includeTime ? "d.M.yyyy HH:mm:ss" : "d.M.yyyy"
        } else if dateStyleString == "dd.mm.yy" {
            formatter.dateFormat = includeTime ? "dd.MM.yy HH:mm:ss" : "dd.MM.yy"
        } else if dateStyleString == "dd.mm.yyyy" {
            formatter.dateFormat = includeTime ? "dd.MM.yyyy HH:mm:ss" : "dd.MM.yyyy"
        } else if dateStyleString == "yy-mm-dd" {
            formatter.dateFormat = includeTime ? "yy-MM-dd HH:mm:ss" : "yy-MM-dd"
        } else if dateStyleString == "yyyy-mm-dd" {
            formatter.dateFormat = includeTime ? "yyy-MM-dd HH:mm:ss" : "yyy-MM-dd"
        } else {
            formatter.dateStyle = .medium
            formatter.timeStyle = includeTime ? .short : .none
        }
        
        return formatter.string(from: Date())
    }
    
    override init() {
        super.init()
    }
    
    var includeTime: Bool = false {
           didSet {
               if includeTime != oldValue {
                   contents = KMSelfSignAnnotationFreeText.fetchDateString(with: dateFormatIndex, includeTime: includeTime)
                   updateBounds()
               }
           }
       }

       var dateFormatIndex: Int = 0 {
           didSet {
               if dateFormatIndex != oldValue {
                   contents = KMSelfSignAnnotationFreeText.fetchDateString(with: dateFormatIndex, includeTime: includeTime)
                   updateBounds()
               }
           }
       }

        init(document: CPDFDocument, subType: KMSelfSignAnnotationFreeTextSubType, string: String, bounds: NSRect) {
            super.init(document: document)
            
            var annotationModel: CPDFAnnotationModel = CPDFAnnotationModel()
            
            if subType == .date {
                annotationModel = CPDFAnnotationModel(annotationType: .signDate)
            } else if subType == .profile {
                annotationModel = CPDFAnnotationModel(annotationType: .signText)
            } else {
                annotationModel = CPDFAnnotationModel(annotationType: .freeText)
            }
            
            let font = NSFont(name: annotationModel.fontName(), size: annotationModel.fontSize())
            self.font = font
            
            
            self.color = annotationModel.color()
            self.alignment = annotationModel.alignment()
            
            let border = CPDFBorder(style: annotationModel.style(), lineWidth: annotationModel.lineWidth(), dashPattern: annotationModel.dashPattern())
            
            if annotationModel.fontColor == nil {
                // 将字体颜色设置为透明度必须设一个颜色值，然后将透明度改为0
                self.fontColor = NSColor.black
                self.opacity = 0
            } else {
                self.fontColor = annotationModel.fontColor()
                self.opacity = annotationModel.opacity()
            }
            
            if subType == .freeText {
                // 根据需要处理 FreeText 特定的初始化逻辑
            } else if subType == .date {
                let index = annotationModel.dateFormatIndex
                let includeTime = annotationModel.includeTime
                
                dateFormatIndex = index()
                self.includeTime = includeTime()
                contents = KMSelfSignAnnotationFreeText.fetchDateString(with: index(), includeTime: includeTime())
            } else {
                contents = string.isEmpty ? "" : string
            }
            
            self.bounds = bounds
            updateBounds()
            self.subType = subType
        }


       public static func fetchAllDateString(includeTime: Bool) -> [String] {
           var rtnArray: [String] = []
           for i in 0..<KMSelfSignAnnotationFreeText.dateFormatterArray().count {
               rtnArray.append(KMSelfSignAnnotationFreeText.fetchDateString(with: i, includeTime: includeTime))
           }
           return rtnArray
       }

       func updateBounds() {
           var tempBounds = bounds
           let userAttributes = [NSAttributedString.Key.font: font]
           if let string = contents as? NSString {
               let size = string.size(withAttributes: userAttributes)
               let originalHeight = tempBounds.size.height
               if size.width < 10 {
                   tempBounds.size.width = 130
                   tempBounds.size.height = size.height + 5
               } else {
                   tempBounds.size.width = size.width + 5
                   tempBounds.size.height = size.height + 5
               }
               let gap = originalHeight - tempBounds.size.height
               tempBounds.origin.y += gap
               bounds = tempBounds
           }
       }
}