//
//  ViewController.swift
//  CHCSVParser
//
//  Created by Anil on 28/01/15.
//  Copyright (c) 2015 Variya Soft Solutions. All rights reserved.
//

import UIKit
import Foundation

class ViewController: UIViewController, CHCSVParserDelegate {

    var currentRow = NSMutableArray()
    var dict : NSMutableDictionary = NSMutableDictionary()
    @IBOutlet weak var txtRo: UITextField!
    @IBOutlet weak var txtName: UITextField!
    @IBOutlet weak var txtMarks: UITextField!
    override func viewDidLoad() {
        super.viewDidLoad()

    }

    func parserDidBeginDocument(parser: CHCSVParser!) {

        currentRow = NSMutableArray()
    }

    func parserDidEndDocument(parser: CHCSVParser!) {

        for var i = 0; i < currentRow.count; ++i {

            println((currentRow.objectAtIndex(i).valueForKey("0")),
                (currentRow.objectAtIndex(i).valueForKey("1")),
                (currentRow.objectAtIndex(i).valueForKey("2")))
            }
    }

    func parser(parser: CHCSVParser!, didFailWithError error: NSError!) {

        println("Parse failed with error: \(error.localizedDescription), \(error.userInfo)")
    }
    func parser(parser: CHCSVParser!, didBeginLine recordNumber: UInt) {

        dict = NSMutableDictionary()
    }
    func parser(parser: CHCSVParser!, didReadField field: String!, atIndex fieldIndex: Int) {

        dict.setObject(field, forKey: String(fieldIndex))
    }
    func parser(parser: CHCSVParser!, didEndLine recordNumber: UInt) {

        currentRow.addObject(dict)
    }
    @IBAction func btnWrite(sender: AnyObject) {

        if !NSFileManager.defaultManager().fileExistsAtPath(self.dataFilePath()){

            NSFileManager.defaultManager().createFileAtPath(self.dataFilePath(), contents: nil, attributes: nil)
            println("File Created")

        }

        var csvWriter : CHCSVWriter = CHCSVWriter(forWritingToCSVFile: NSHomeDirectory().stringByAppendingPathComponent("fav.csv"))
        csvWriter.writeField("Roll Number")
        csvWriter.writeField("Name")
        csvWriter.writeField("Marks")
        csvWriter.finishLine()

        for var i = 0; i < currentRow.count; ++i{

            csvWriter.writeField(currentRow.objectAtIndex(i).valueForKey("0"))
            csvWriter.writeField(currentRow.objectAtIndex(i).valueForKey("1"))
            csvWriter.writeField(currentRow.objectAtIndex(i).valueForKey("2"))

            }
//        var handle : NSFileHandle = NSFileHandle()
//        handle = NSFileHandle(forWritingAtPath: self.dataFilePath())!
//        handle.truncateFileAtOffset(handle.seekToEndOfFile())
//        handle.writeData(currentRow.dataUsingEncoding(NSUTF8StringEncoding, allowLossyConversion: false)!)

        csvWriter.writeField(txtRo.text)
        csvWriter.writeField(txtName.text)
        csvWriter.writeField(txtMarks.text)

        csvWriter.closeStream()

        var alert : UIAlertController = UIAlertController(title: "Success", message: "Your Data has been suceesFully saved", preferredStyle: UIAlertControllerStyle.Alert)
        alert.addAction(UIAlertAction(title: "Click", style: UIAlertActionStyle.Default, handler: nil))
        self.presentViewController(alert, animated: true, completion: nil)

        self.txtRo.text = ""
        self.txtName.text = ""
        self.txtMarks.text = ""
    }



    @IBAction func btnDismissKeyboardClicked(sender: AnyObject) {

        txtRo.resignFirstResponder()
        txtName.resignFirstResponder()
        txtMarks.resignFirstResponder()

    }

    func dataFilePath() -> String{

        var paths : NSArray = NSSearchPathForDirectoriesInDomains(.DocumentDirectory, .UserDomainMask, true)
        var documentsDirectory: AnyObject = paths.objectAtIndex(0)
        return documentsDirectory.stringByAppendingPathComponent("fav.csv")
    }
}