//
//  TextLinkCaretViewController.swift
//  VDSSample
//
//  Created by Matt Bruce on 11/2/22.
//

import Foundation
import UIKit
import VDS
import VDSColorTokens

class TextLinkCaretViewController: BaseViewController {
    
    lazy var caretPositionPickerSelectorView = {
        PickerSelectorView(title: "",
                            picker: self.picker,
                            items: TextLinkCaretPosition.allCases)
    }()

    var disabledSwitch = UISwitch()
    var textField = TextField()
    let textLinkCaret = TextLinkCaret()

    override func viewDidLoad() {
        super.viewDidLoad()
        let view = UIView()
        view.translatesAutoresizingMaskIntoConstraints = false
        view.addSubview(textLinkCaret)
        textLinkCaret.pinTop()
        textLinkCaret.pinBottom()
        textLinkCaret.pinLeading()
        textLinkCaret.trailingAnchor.constraint(lessThanOrEqualTo: view.trailingAnchor).isActive = true
        addContentTopView(view: view)

        setupForm()
        setupPicker()
        setupModel()
    }
    
    func setupForm(){
        addFormRow(label: "Surface", view: surfacePickerSelectorView)
        addFormRow(label: "Disabled", view: disabledSwitch)
        addFormRow(label: "Label", view: textField)
        addFormRow(label: "Caret Position", view: caretPositionPickerSelectorView)

        disabledSwitch
            .publisher(for: .valueChanged)
            .sink { [weak self] sender in
                self?.textLinkCaret.disabled = sender.isOn
            }.store(in: &subscribers)

        textField
            .textPublisher
            .sink { [weak self] text in
                self?.textLinkCaret.text = text
            }.store(in: &subscribers)
    }
    
    func setupModel() {
        textLinkCaret.text = "Text Link"

        textLinkCaret
            .publisher(for: .touchUpInside)
            .sink { [weak self] control in
                let alertController:UIAlertController = UIAlertController(title: "Alert",
                                                                          message: "\(control.text!) Clicked",
                                                                          preferredStyle: UIAlertController.Style.alert)
                alertController.addAction(UIAlertAction(title: "OK", style: UIAlertAction.Style.default, handler:nil))
                self?.present(alertController, animated: true)
                print("clicked me")
            }.store(in: &subscribers)
        
        
        //setup UI
        surfacePickerSelectorView.text = textLinkCaret.surface.rawValue
        disabledSwitch.isOn = textLinkCaret.disabled
        textField.text = textLinkCaret.text
        caretPositionPickerSelectorView.text = textLinkCaret.iconPosition.rawValue
    }
      
    func setupPicker(){
        
        surfacePickerSelectorView.onPickerDidSelect = {  [weak self] item in
            self?.textLinkCaret.surface = item
            self?.contentTopView.backgroundColor = item.color
        }
        
        caretPositionPickerSelectorView.onPickerDidSelect = { [weak self] item in
            self?.textLinkCaret.iconPosition = item
        }
    }
}