//
//  ServerConnectViewController.swift
//  MongoView
//
//  Created by Shadowfacts on 1/11/20.
//  Copyright © 2020 Shadowfacts. All rights reserved.
//

import Cocoa

protocol ServerConnectViewControllerDelegate: class {
    func connectToServer(mongoController: MongoController)
}

class ServerConnectViewController: NSViewController {
    
    weak var delegate: ServerConnectViewControllerDelegate?

    @IBOutlet weak var hostTextField: NSTextField!
    @IBOutlet weak var portTextField: NSTextField!
    @IBOutlet weak var usernameTextField: NSTextField!
    @IBOutlet weak var passwordTextField: NSSecureTextField!
    @IBOutlet weak var connectButton: NSButton!
    
    init() {
        super.init(nibName: "ServerConnectViewController", bundle: .main)
    }
    
    required init?(coder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        hostTextField.delegate = self
        portTextField.delegate = self
        
        hostTextField.nextKeyView = portTextField
        portTextField.nextKeyView = usernameTextField
        usernameTextField.nextKeyView = passwordTextField
        passwordTextField.nextKeyView = hostTextField
        
        updateConnectButtonEnabled()
    }
    
    override func viewWillAppear() {
        super.viewWillAppear()
        
        view.window!.initialFirstResponder = hostTextField
    }
    
    func updateConnectButtonEnabled() {
        connectButton.isEnabled = !hostTextField.stringValue.isEmpty && !portTextField.stringValue.isEmpty
    }
    
    @IBAction func connect(_ sender: Any) {
        connectButton.isEnabled = false
        hostTextField.isEnabled = false
        portTextField.isEnabled = false
        usernameTextField.isEnabled = false
        passwordTextField.isEnabled = false
        
        var str = "mongodb://"
        if !usernameTextField.stringValue.isEmpty {
            str += usernameTextField.stringValue
            if !passwordTextField.stringValue.isEmpty {
                str.append(":")
                str.append(passwordTextField.stringValue)
            }
            str.append("@")
        }
        str.append(hostTextField.stringValue)
        str.append(":")
        str.append(portTextField.stringValue)

        let mongoController = MongoController(connectionString: str)
        mongoController.setup()
        
        delegate?.connectToServer(mongoController: mongoController)
    }
    
}

extension ServerConnectViewController: NSTextFieldDelegate {
    func controlTextDidChange(_ obj: Notification) {
        updateConnectButtonEnabled()
    }
}