//
//  RadioBoxGroupViewController.swift
//  VDSSample
//
//  Created by Matt Bruce on 8/23/22.
//

import Foundation
import UIKit
import VDS
import VDSColorTokens
import Combine

class  RadioBoxGroupViewController: ModelViewController<DefaultRadioBoxGroupModel>, StoryboardInitable {
    deinit {
        print("\(Self.self) deinit")
    }
    
    enum PickerType {
        case surface
    }
    static var storyboardId: String = "radioBoxGroup"
    static var storyboardName: String = "Components"
  
    @IBOutlet weak var componentContainerView: UIView!
    @IBOutlet weak var disabledSwitch: UISwitch!
    @IBOutlet weak var picker: UIPickerView!
    @IBOutlet weak var surfaceLabel: UILabel!
    @IBOutlet weak var textField: UITextField!
    @IBOutlet weak var subTextField: UITextField!
    @IBOutlet weak var subTextRightField: UITextField!
    @IBOutlet weak var showErrorSwitch: UISwitch!
    
    var radioBoxGroup = RadioBoxGroup()
    
    override func viewDidLoad() {
        super.viewDidLoad()
        view.addGestureRecognizer(UITapGestureRecognizer(target: self.view, action: #selector(UIView.endEditing(_:))))
        
        componentContainerView.addSubview(radioBoxGroup)
        radioBoxGroup.leadingAnchor.constraint(equalTo: componentContainerView.leadingAnchor, constant: 10).isActive = true
        radioBoxGroup.topAnchor.constraint(equalTo: componentContainerView.topAnchor, constant: 20).isActive = true
        radioBoxGroup.bottomAnchor.constraint(equalTo: componentContainerView.bottomAnchor, constant: -20).isActive = true
        radioBoxGroup.trailingAnchor.constraint(equalTo: componentContainerView.trailingAnchor, constant: 10).isActive = true
        setupPicker()
        setupModel()
    }
    
    func setupModel(){
        var defaultModel = DefaultRadioBoxGroupModel()
        var model1 = DefaultRadioBoxModel()
        model1.value = "model 1 Value"
        model1.text = "iPhone 11 Bundle 1"
        model1.subText = "Apple iPhone 11 - 64 GB\nOtterbox Case Red\nScreen Protector"
        model1.subTextRight = "Right Text"

        var model2 = DefaultRadioBoxModel()
        model2.strikethrough = true
        model2.value = "model 2 Value"
        model2.text = "iPhone 11 Bundle 2"
        model2.subText = "Apple iPhone 11 - 128 GB\nOtterbox Case Black\nScreen Protector"

        defaultModel.selectors = [model1, model2]
        set(with: defaultModel)

        //update the model
        radioBoxGroup
            .handlerPublisher()
            .sink { [weak self] updatedModel in
                self?.model = updatedModel
                self?.showErrorSwitch.isOn = updatedModel.hasError
                self?.disabledSwitch.isOn = updatedModel.disabled
            }
            .store(in: &subscribers)

        //set UI values
        surfaceLabel.text = model.surface.rawValue
        disabledSwitch.isOn = model.disabled
        showErrorSwitch.isOn = model.hasError
        textField.text = model1.text
        subTextField.text = model1.subText
        subTextRightField.text = model1.subTextRight
    }
    
    override func updateView(viewModel: ModelType) {
        print("\(Self.self) updateView(viewModel)")
        showErrorSwitch.isOn = viewModel.hasError
        disabledSwitch.isOn = viewModel.disabled
        radioBoxGroup.set(with: viewModel)
    }
    
    var radioBox: RadioBox? {
        radioBoxGroup.selectorViews.first
    }
    @IBAction func disabledChanged(_ sender: UISwitch) {
        radioBoxGroup.disabled = sender.isOn
    }
    
    @IBAction func onTextDidEnd(_ sender: UITextField) {
        radioBox?.text = sender.text ?? "No value entered"
        sender.resignFirstResponder()
    }
    
    @IBAction func onSubTextDidEnd(_ sender: UITextField) {
        radioBox?.subText = sender.text
        sender.resignFirstResponder()
    }
    
    @IBAction func onSubTextRightDidEnd(_ sender: UITextField) {
        radioBox?.subTextRight = sender.text
        sender.resignFirstResponder()
    }
    
    @IBAction func showErrorChanged(_ sender: UISwitch) {
        radioBoxGroup.hasError = sender.isOn
    }
    
    @IBAction func surfaceClick(_ sender: Any) {
        pickerType = .surface
    }
    
    //Picker
    var surfacePicker = SurfacePicker()
    
    var pickerType: PickerType = .surface {
        didSet {
            func update(object: UIPickerViewDelegate & UIPickerViewDataSource){
                picker.delegate = object
                picker.dataSource = object
            }
            
            switch pickerType{
            case .surface:
                update(object: surfacePicker)
            }
            picker.reloadAllComponents()
            picker.selectRow(0, inComponent: 0, animated: false)
            picker.isHidden = false
        }
    }
    
    func setupPicker(){
        picker.isHidden = true
        surfacePicker.onPickerDidSelect = { [weak self] item in
            self?.radioBoxGroup.surface = item
            self?.componentContainerView.backgroundColor = item.color
            self?.surfaceLabel.text = item.rawValue
        }
    }
}