//
//  Switch.swift
//  MVMCoreUI
//
//  Created by Priya on 5/6/19.
//  Copyright © 2019 Verizon Wireless. All rights reserved.
//

import UIKit

public class Switch: ViewConstrainingView, FormValidationProtocol {
    var aSwitch = UISwitch()
    var label = Label()
    var isRequired: Bool?  = false
    var state: Bool? = false
    var onTintColor: UIColor? = .clear
    var offTintColor: UIColor? = .clear
    var isOnState: Bool? = false
    var fieldKey: String? = ""
    
    // MARK: - Inits
    public init() {
        super.init(frame: .zero)
    }
    
    public override init(frame: CGRect) {
        super.init(frame: frame)
    }
    
    required public init?(coder aDecoder: NSCoder) {
        super.init(coder: aDecoder)
    }
    
    // MARK: - MVMCoreUIMoleculeViewProtocol
    open override func setAsMolecule() {
        super.setAsMolecule()
    }
    
    @objc func switchChanged(mySwitch: UISwitch) {
        let value = mySwitch.isOn
        let str = value ? "Switch is On" : "Switch is Off"
        print("\(str)")
        // Do something
    }
    
    
    open override func setupView() {
        super.setupView()
        aSwitch.onTintColor = self.onTintColor
        aSwitch.addTarget(self, action: #selector(switchChanged), for: UIControl.Event.valueChanged)
        self.addSubview(aSwitch)
        self.addSubview(label)
        label.translatesAutoresizingMaskIntoConstraints = false
        aSwitch.translatesAutoresizingMaskIntoConstraints = false
    }
    
    
    public override func updateView(_ size: CGFloat) {
        super.updateView(size)
        self.setupConstraints(forView: self)
    }
    

    
    open override func setWithJSON(_ json: [AnyHashable: Any]?, delegateObject: DelegateObject?, additionalData: [AnyHashable: Any]?) {
        super.setWithJSON(json, delegateObject: delegateObject, additionalData: additionalData)
        self.isRequired = json?[KeyRequired] as? Bool
        self.state = json?["state"] as? Bool
        if let dict = json?.optionalDictionaryForKey("label") {
            label.text = dict["text"] as? String
            if let textColor = json?.optionalStringForKey("textColor") {
                label.textColor = .mfGet(forHex: textColor)
            }
        }
        
        if  let delegateObject = delegateObject as? MVMCoreUIDelegateObject {
            FormValidator.setupValidation(molecule: self, delegate: delegateObject.formValidationProtocol)
        }
        
        if let onColorString = json?.optionalStringForKey("onTintColor") {
            self.onTintColor = .mfGet(forHex: onColorString)
        }
        if let offColorString = json?.optionalStringForKey("offTintColor") {
            self.offTintColor = .mfGet(forHex: offColorString)
        }
        self.fieldKey = json?[KeyFieldKey] as? String
        aSwitch.onTintColor = self.onTintColor
    }
    
    func setupConstraints(forView view: UIView) {
        label.leadingAnchor.constraint(equalTo: self.leadingAnchor, constant: 0).isActive = true
        label.trailingAnchor.constraint(equalTo: aSwitch.leadingAnchor, constant: 20).isActive = true
        label.topAnchor.constraint(equalTo: view.topAnchor).isActive = true
        label.bottomAnchor.constraint(equalTo: view.bottomAnchor).isActive = true
        
        aSwitch.leadingAnchor.constraint(equalTo: label.trailingAnchor, constant: PaddingOne).isActive = true
        //aSwitch.trailingAnchor.constraint(equalTo: view.trailingAnchor, constant: -50).isActive = true

        
        view.trailingAnchor.constraint(equalTo: aSwitch.trailingAnchor, constant: 0).isActive = true

        
        aSwitch.topAnchor.constraint(equalTo: view.topAnchor).isActive = true
        aSwitch.bottomAnchor.constraint(equalTo: view.bottomAnchor).isActive = true
       // aSwitch.widthAnchor.constraint(equalToConstant: 60.0).isActive = true

    }

    
    // MARK: -  FormValidationProtocol
    
    
//    {
//    "moleculeName":"switch",
//    "fieldName": "switchOption",
//    "fieldKey": "switchImei1",
//    "onTintColor": "#ffff00",
//    "offTintColor": "#ffffff",
//    "state": true,
//    "label": {
//    "moleculeName": "label",
//    "text": "This is a switch",
//    "textColor": "#000000",
//    "backgroundColor": "#FFFFFF"
//    },
//    "required": false,
//
//    }
    public func isValidField() -> Bool {
//        if self.isRequired ?? false {
//            return aSwitch.isOn
//        }
        return aSwitch.isOn
    }
    
    public func formFieldName() -> String? {
        return self.fieldKey ?? ""
    }
    
    public func formFieldValue() -> Any? {
        return aSwitch.isOn
    }
    
    public override func needsToBeConstrained() -> Bool {
        return true
    }
    
    public override func moleculeAlignment() -> UIStackView.Alignment {
        return UIStackView.Alignment.leading
    }

}