"Москва, Электрозаводская, 21"
"Москва, Арбат, Староконюшенный переулок, дом 43"
"Москва, улица 1-я Бухвостова, дом 12/11, корпус 53"

class PhotoStudiosViewController: UIViewController, UITableViewDelegate, UITableViewDataSource, UIScrollViewDelegate {

    @IBOutlet weak var tableView: UITableView!

    var theStudios: [Studio] = []

    var studiosRef: DatabaseReference!

    override func viewWillAppear(_ animated: Bool) {
        super.viewWillAppear(true)

        tableView.estimatedRowHeight = 475
        tableView.rowHeight = UITableViewAutomaticDimension

        loadDataFromFirebase()

    }

    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {

        return theStudios.count
    }

    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        let cell = tableView.dequeueReusableCell(withIdentifier: "tableCell", for: indexPath) as! PhotoStudiosTableViewCell

        cell.addressLabel.text = theStudios[indexPath.row].studioAddress

        return cell
    }

    func loadDataFromFirebase() {

        studiosRef = Database.database().reference(withPath: "Addresses")

        let time = DispatchTime.now() + 0.5

        studiosRef.observe(.value, with: { (snapshot) in

        DispatchQueue.main.asyncAfter(deadline: time) {

            for imageSnap in snapshot.children {

                let studioObj = Studio(snapshot: imageSnap as! DataSnapshot)

                self.theStudios.append(studioObj)

            }

            self.tableView.reloadData()

        }

    })

}



class Studio {

    var ref: DatabaseReference!
    var studioAddress: String = ""

    init(snapshot: DataSnapshot) {

        ref = snapshot.ref
        studioName = snapshot.key

        let value = snapshot.value as! NSDictionary

        studioAddress = value["address"] as? String ?? "---"

    }
}