//
//  ConnectionLossOperation.swift
//  Logger4
//
//  Created by Kilian Hofmann on 15.06.17.
//  Copyright © 2017 Kilian Hofmann. All rights reserved.
//

import Cocoa

class ConnectionLossOperation: Operation {
    var result1: Bool = false
    var result2: Bool = false
    
    override init() {
        
    }
    
    override func main() {
        // Get date for folder structure
        let time : Date = Date()
        let start: Array<String> = (NSApp.delegate as! AppDelegate).justDate.string(from: time).components(separatedBy: ".")
        // Line to write
        let entry: String = String(format: "%@", (NSApp.delegate as! AppDelegate).justTime.string(from: time))
        // File manager
        let fileManager: FileManager = FileManager.default
        // Path to file
        let file: String = NSString(format: "~/KDLog/%@.docsisplist2/%@/%@/KDLog.hex", start[2], start[1], start[0]).expandingTildeInPath
        // Make all relevant directories if not present
        pthread_mutex_lock(&((NSApp.delegate as! AppDelegate).lock))
        let dir: NSString = NSString(format: "~/KDLog/%@.docsisplist2/%@/%@", start[2], start[1], start[0])
        do {
            try fileManager.createDirectory(atPath: dir.expandingTildeInPath, withIntermediateDirectories: true, attributes: nil)
        }
        catch let error as NSError{
            NSLog("ERROR ON SUBDIRECTORY CREATION: \(error.localizedDescription)")
        }
        pthread_mutex_unlock(&((NSApp.delegate as! AppDelegate).lock))
        // Check connection requests
        let request: URLRequest = URLRequest.init(url: URL.init(string: "http://checkip.dyndns.org")!, cachePolicy: .useProtocolCachePolicy, timeoutInterval: 10)
        let request2: URLRequest = URLRequest.init(url: URL.init(string: "http://www.google.de")!, cachePolicy: .useProtocolCachePolicy, timeoutInterval: 10)
        // Generate tasks
        let task1: URLSessionDataTask = (NSApp.delegate as! AppDelegate).urlSession.dataTask(with: request) {
            data, response, error in
            
            if error != nil && data == nil && self.result2 {
                /*
                let fileH: FileHandle? = FileHandle(forUpdatingAtPath: file)
                if fileH == nil {
                    do{
                        try entry.write(toFile: file, atomically: true, encoding:  .utf8)
                    }
                    catch {
                        NSLog("WRITE TO FILE FAILED\n");
                    }
                } else {
                    fileH?.seekToEndOfFile();
                    let data = (entry as NSString).data(using: String.Encoding.utf8.rawValue)
                    fileH?.write(data!)
                    fileH?.closeFile()
                }
 
                let sep = entry.components(separatedBy: ":")
                FileOperations.logHours(UInt8(sep[0])!, minutes: UInt8(sep[1])!, seconds: UInt8(sep[2])!, toLog: file)
                */
                FileOperations.log(data: entry, toLog: file)
                self.result2 = false;
                NSLog("Internet loss logged!")
            }
            else if error != nil && response == nil && data == nil {
                self.result1 = true;
            }
        }
        let task2: URLSessionDataTask = (NSApp.delegate as! AppDelegate).urlSession.dataTask(with: request2) {
            data, response, error in
            
            if error != nil && data == nil && self.result1 {
                /*
                let fileH: FileHandle? = FileHandle(forUpdatingAtPath: file)
                if fileH == nil {
                    do{
                        try entry.write(toFile: file, atomically: true, encoding:  .utf8)
                    }
                    catch {
                        NSLog("WRITE TO FILE \(file) FAILED\n");
                    }
                } else {
                    fileH?.seekToEndOfFile();
                    let data = (entry as NSString).data(using: String.Encoding.utf8.rawValue)
                    fileH?.write(data!)
                    fileH?.closeFile()
                }
                let sep = entry.components(separatedBy: ":")
                FileOperations.logHours(UInt8(sep[0])!, minutes: UInt8(sep[1])!, seconds: UInt8(sep[2])!, toLog: file)
                */
                FileOperations.log(data: entry, toLog: file)
                self.result2 = false;
                NSLog("Internet loss logged!")
            }
            else if error != nil && response == nil && data == nil {
                self.result2 = true;
            }
        }
        // Start tasks
        task1.resume()
        task2.resume()
    }
}