class BuildTravelPackage: UIViewController, UITableViewDataSource,UITableViewDelegate, UICollectionViewDelegate {

@IBOutlet var optionsTableView: UITableView!

var items = [[PackageOption]]()

override func viewDidLoad() {
    super.viewDidLoad()

    let longPressRecognizer = UILongPressGestureRecognizer(target: self, action: #selector(self.longPress(longPressGestureRecognizer:)))
    self.optionsTableView.addGestureRecognizer(longPressRecognizer)

    let qGetCountry = PFQuery(className:"PackageOptions")
    let qGetEvents = PFQuery(className:"PackageOptions")
    qGetEvents.whereKey("type", contains: "Event")

    qGetCountry.whereKey("type", contains: "Location")
    qGetCountry.whereKey("subType", contains: "Country")

    qGetCountry.findObjectsInBackground { (items, error) in
        if error == nil{
            if items!.count > 0 {
                var developedOptions = [PackageOption]()
                for item in items!{
                    let option = PackageOption.init()
                    option.loadOnline(item: item)
                    developedOptions.append(option)
                }
                self.items.append(developedOptions)
                self.optionsTableView.reloadData()
            }
        }
    }
    qGetEvents.findObjectsInBackground { (items, error) in
        if error == nil{
            if items!.count > 0 {
                var developedOptions = [PackageOption]()
                for item in items!{

                    let option = PackageOption.init()
                    option.loadOnline(item: item)
                    developedOptions.append(option)
                }
                self.items.append(developedOptions)
                self.optionsTableView.reloadData()
            }

        }
    }



}

func tableView(_ tableView: UITableView, willDisplay cell: UITableViewCell, forRowAt indexPath: IndexPath) {
    cell.alpha = 0
    UIView.animate(withDuration: 1.0) {
        cell.alpha = 1.0
    }
}

func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
    return 175
}

func tableView(_ tableView: UITableView, canMoveRowAt indexPath: IndexPath) -> Bool {
    return true
}

func tableView(_ tableView: UITableView, shouldIndentWhileEditingRowAt indexPath: IndexPath) -> Bool {
    return false
}

func tableView(_ tableView: UITableView, editingStyleForRowAt indexPath: IndexPath) -> UITableViewCellEditingStyle {
    return .none
}

func tableView(_ tableView: UITableView, moveRowAt sourceIndexPath: IndexPath, to destinationIndexPath: IndexPath) {
    let item = items[sourceIndexPath.row]
    items.remove(at: sourceIndexPath.row)
    items.insert(item, at: destinationIndexPath.row)
    optionsTableView.isEditing = !optionsTableView.isEditing

}

func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
    let cell = optionsTableView.dequeueReusableCell(withIdentifier: "optionCell", for: indexPath) as! PackageOptionTableViewCell
    cell.collectionView.delegate = self
    cell.collectionView.dataSource = self
    cell.collectionView.tag = indexPath.row
    cell.collectionView.reloadData()
    return cell
}
func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
    return items.count
}

func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
    print("Column:",indexPath.row)
    print("Row:",collectionView.tag)
    //highlght selected cell and load a new cell with infomation? Or load a uiview with date selection
}

func longPress(longPressGestureRecognizer: UILongPressGestureRecognizer) {

    if longPressGestureRecognizer.state == UIGestureRecognizerState.began {

        let touchPoint = longPressGestureRecognizer.location(in: self.view)
        if let indexPath = optionsTableView.indexPathForRow(at: touchPoint) {
            optionsTableView.isEditing = !optionsTableView.isEditing

        }
    }
}

func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
    return items[collectionView.tag].count
}

func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
    let cell = collectionView.dequeueReusableCell(withReuseIdentifier: "singleOptionCell", for: indexPath) as! OptionCollectionViewCell
    cell.image.image = items[collectionView.tag][indexPath.row].imageFile
    cell.label.text = items[collectionView.tag][indexPath.row].name
    return cell
}