import UIKit
import CoreData

public class PridatViewController: UITableViewController,UITableViewDataSource, UITableViewDelegate, UITextFieldDelegate {

    var activeTextField: UITextField!

    override public func viewDidLoad() {
        super.viewDidLoad()

    }

    public override func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        return 5
    }

    public override func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {

        var cell = tableView.dequeueReusableCellWithIdentifier("Cell" , forIndexPath : indexPath) as? TableViewCell
        if cell == nil
        {
            cell = TableViewCell(style: UITableViewCellStyle.Default, reuseIdentifier: "Cell")
        }

        if (indexPath.row == 0) {
            cell!.configure("Názov knihy")

        }
        if (indexPath.row == 1) {
            cell!.configure("Meno autora")
        }
        if (indexPath.row == 2) {
            cell!.configure("Rok vydania")
        }
        if (indexPath.row == 3) {
            cell!.configure("Vydavateľstvo")
        }
        if (indexPath.row == 4) {
            cell!.configure("Počet strán knihy")
        }
        return cell!
    }


    public func textFieldDidBeginEditing(textField: UITextField) {
        activeTextField = textField
    }

    public func textFieldDidEndEditing(textField: UITextField) {
        let textFieldPosition = textField.convertPoint(CGPointZero, toView: self.tableView)
        if self.tableView.indexPathForRowAtPoint(textFieldPosition) == nil {
            return
        }
        let indexPath = self.tableView.indexPathForRowAtPoint(textFieldPosition)!

        var cell = self.tableView.cellForRowAtIndexPath(indexPath) as! TableViewCell
    }

    @IBAction public func saveTapped(){

        if activeTextField.text.isEmpty {
            let alert = UIAlertView()
            alert.title = "Nevyplnené údaje"
            alert.message = "Musíš vyplniť všetky údaje o knihe."
            alert.addButtonWithTitle("Ok")
            alert.show()


        }
        let appDel: AppDelegate = UIApplication.sharedApplication().delegate as! AppDelegate
        let obsah: NSManagedObjectContext = appDel.managedObjectContext!
        let entity = NSEntityDescription.entityForName("List", inManagedObjectContext: obsah)
        var pridat = Model(entity: entity! , insertIntoManagedObjectContext: obsah)

        pridat.kniha = activeTextField.text
        pridat.autor = activeTextField.text
        pridat.rok = activeTextField.text
        pridat.vydavatelstvo = activeTextField.text
        pridat.strany = activeTextField.text

        obsah.save(nil)
    }
    public override func didReceiveMemoryWarning() {
        didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }
}