//
//  HistoryFile.swift
//  PDF Reader Pro
//
//  Created by Niehaoyu on 2024/10/11.
//

import Cocoa

class HistoryFile: NSObject {

    private var fileUrl: URL?
    private var iconSize: NSSize = CGSizeZero
    
    var image: NSImage = NSImage()
    var name: String = ""
    var date: String = ""
    var size: String = ""
    
    public init(fileURL: URL, iconSize: NSSize) {
        super.init()
        
        self.fileUrl = fileURL
        self.iconSize = iconSize
            
        reloadData()
    }
    
    func reloadData() {
        
        guard let fileUrl = self.fileUrl else {
            return
        }
        let attribe = try?FileManager.default.attributesOfItem(atPath: fileUrl.path)
        if attribe != nil {
            let dateFormatter: DateFormatter = DateFormatter.init()
            let fileDate: Date = attribe![FileAttributeKey(rawValue: "NSFileModificationDate")] as! Date
            var fileTime: String = ""
            
            dateFormatter.dateFormat = "yyyy/MM/dd HH:mm"
            
            let fileType = ""
            let sizeFloat: CGFloat = (attribe![FileAttributeKey(rawValue: "NSFileSize")]) as? CGFloat ?? 0.0
            let fileSize = fileSizeString(Float(sizeFloat)).isEmpty ? "" : fileSizeString(Float(sizeFloat))
            let lastTime = dateFormatter.string(from: fileDate)
            
            fileTime = lastTime
            
            
            //path
            let array = fileUrl.path.deletingLastPathComponent.components(separatedBy: "/")
            let string = NSMutableString()
            
            if array.count > 4 {
                string.append(".../")
                string.append(array[array.count - 3])
                string.append("/")
                string.append(array[array.count - 2])
                string.append("/")
                string.append(array[array.count - 1])
            } else {
                string.setString(fileUrl.path.deletingLastPathComponent)
            }
            
            let image = KMFileThumbManager.manager.getFileThumb(fileUrl) ?? NSImage()
            
            self.image = image
            self.name = fileUrl.path.lastPathComponent
            self.date = fileTime
            self.size = fileSize
        }
    }
    
    //MARK: - private
    func fileSizeString(_ fSize: Float) -> String {
        let fileSize = fSize / 1024
        let size = fileSize >= 1024 ? (fileSize < 1048576 ? fileSize/1024 : fileSize/1048576.0) : fileSize
        let unit = fileSize >= 1024 ? (fileSize < 1048576 ? "M" : "G") : "K"
        return String(format: "%0.1f %@", size, unit)
    }
    
    func isSameWeek (withDate date: Date) -> Bool {
        let currentWeekOfYear = getWeekOfYear(date: Date.init())
        let targetWeekOfYear = getWeekOfYear(date: date)
        if targetWeekOfYear == currentWeekOfYear {
            return false
        } else {
            return true
        }
    }
    
    func isDateInCurrentWeek(_ date: Date) -> Bool {
        let calendar = Calendar.current
        // 获取当前日期的星期几
        let weekday = calendar.component(.weekday, from: Date())
        // 获取一周的第一天（周日）的日期
        let firstDayOfWeek = calendar.date(byAdding: .day, value: -weekday, to: Date())!
        // 获取一周的最后一天（下周的第一天）的日期
        let lastDayOfWeek = calendar.date(byAdding: .day, value: 7, to: firstDayOfWeek)!
        // 判断日期是否在当前周的范围内
        return date > firstDayOfWeek && date < lastDayOfWeek
    }
     
    func getWeekOfYear(date: Date) -> Int {
        let components = Calendar.current.dateComponents([Calendar.Component.weekOfYear], from: date)
        return components.weekOfYear ?? 0
    }
        
}