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

import UIKit

@objcMembers public class Switch: ViewConstrainingView, FormValidationProtocol{
    public var mvmSwitch = MVMCoreUISwitch()
    public var label = Label()
    public var mfTextButton = MFTextButton()
    var topConstraint_Switch: NSLayoutConstraint?
    var bottomConstraint_textBtn: NSLayoutConstraint?
    var isRequired = false
    var delegateObject: DelegateObject?
    
    @objc func switchChanged() {
       let delegate = delegateObject as? MVMCoreUIDelegateObject
        if let delegate = delegate {
            let formValidator = delegate.formValidationProtocol?.formValidatorModel?()
            formValidator?.enableByValidation()
        }
    }
   
    open override func setupView() {
        super.setupView()
        mvmSwitch.addTarget(self, action: #selector(Switch.switchChanged), for: .valueChanged)
        addSubview(mvmSwitch)
        addSubview(label)
        addSubview(mfTextButton)
    //    label.translatesAutoresizingMaskIntoConstraints = false
        mvmSwitch.translatesAutoresizingMaskIntoConstraints = false
        mfTextButton.translatesAutoresizingMaskIntoConstraints = false;
        setupConstraints()
    }
    
    public override func updateView(_ size: CGFloat) {
        super.updateView(size)
        label.updateView(size)
        mvmSwitch.updateView(size)
        mfTextButton.updateView(size)
    }
    
    open override func setWithJSON(_ json: [AnyHashable: Any]?, delegateObject: DelegateObject?, additionalData: [AnyHashable: Any]?) {
        super.setWithJSON(json, delegateObject: delegateObject, additionalData: additionalData)
        isRequired = json?[KeyRequired] as? Bool ?? false
        self.delegateObject = delegateObject
        if let dict = json?.optionalDictionaryForKey("label") {
            label.setWithJSON(dict, delegateObject: delegateObject, additionalData: additionalData)
        }
        if let dict = json?.optionalDictionaryForKey("textButton") {
            mfTextButton.setWithJSON(dict, delegateObject: delegateObject, additionalData: additionalData)
        }
        if let delegateObject = delegateObject as? MVMCoreUIDelegateObject {
            FormValidator.setupValidation(molecule: self, delegate: delegateObject.formValidationProtocol)
        }
        if let onColorString = json?.optionalStringForKey("onTintColor") {
            mvmSwitch.onTintColor = .mfGet(forHex: onColorString)
        }
        if let offColorString = json?.optionalStringForKey("offTintColor") {
            mvmSwitch.offTintColor = .mfGet(forHex: offColorString)
        }
        if let onKnobColorString = json?.optionalStringForKey("onKnobTintColor") {
             mvmSwitch.onKnobTintColor = .mfGet(forHex: onKnobColorString)
        }
        if let offKnobColorString = json?.optionalStringForKey("offKnobTintColor") {
            mvmSwitch.offKnobTintColor = .mfGet(forHex: offKnobColorString)
        }
       // mvmSwitch.isOn = json?.optionalBoolForKey("state") ?? false
        mvmSwitch.setState(json?.optionalBoolForKey("state") ?? false, animated: true)
        updateContraints()
    }
    
    func updateContraints()  {
        if let isEmptyText = label.text?.isEmpty,isEmptyText == false {
            topConstraint_Switch?.priority = UILayoutPriority(rawValue:249)
             NSLayoutConstraint.constraintPinSubview(mvmSwitch, pinCenterX: false, pinCenterY: true)
            _ = NSLayoutConstraint(pinFirstView: mvmSwitch, toSecondView: mfTextButton, withConstant: PaddingOne, directionVertical: true)
        }
        layoutIfNeeded()
    }
    
    func setupConstraints() {
     NSLayoutConstraint.constraintPinLeftSubview(label, leftConstant: 0)
      NSLayoutConstraint.constraintPinSubview(mvmSwitch, pinCenterX: false, pinCenterY: true)        
        let dict = NSLayoutConstraint.constraintPinSubview(mvmSwitch, pinTop: true, topConstant: 0, topRelation: .greaterThanOrEqual, pinBottom: true, bottomConstant: 0, bottomRelation: .greaterThanOrEqual, pinLeft: false, leftConstant: 0, leftRelation: .equal, pinRight: true, rightConstant: 0, rightRelation: .greaterThanOrEqual)
        topConstraint_Switch = dict?[ConstraintTop] as? NSLayoutConstraint
        NSLayoutConstraint.constraintPinTopSubview(label, topConstant: 0)
        _ = NSLayoutConstraint(pinFirstView: label, toSecondView: mvmSwitch, withConstant: PaddingOne, directionVertical: false)
        _ = NSLayoutConstraint(pinFirstView: label, toSecondView: mfTextButton, withConstant: PaddingOne, directionVertical: true)
         NSLayoutConstraint.constraintPinLeftSubview(mfTextButton, leftConstant: 0)
        NSLayoutConstraint.constraintPinBottomSubview(mfTextButton, bottomConstant: 0)
    }

    public func isValidField() -> Bool {
        return (isRequired == false) ? true : mvmSwitch.isOn
    }
    
    public func formFieldName() -> String? {
        return json?.optionalStringForKey(KeyFieldKey)
    }
    
    public func formFieldValue() -> Any? {
        return mvmSwitch.isOn
    }
    
    public override func needsToBeConstrained() -> Bool {
        return true
    }
    
    public override func moleculeAlignment() -> UIStackView.Alignment {
        return UIStackView.Alignment.leading
    }

}