//
//  Switch.swift
//  MVMCoreUI
//
//  Created by Priya on 5/23/19.
//  Copyright © 2019 Verizon Wireless. All rights reserved.
//

import UIKit

@objcMembers public class Switch: ViewConstrainingView, FormValidationProtocol{
    public var mvmSwitch = MVMCoreUISwitch()
    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)
        self.clipsToBounds = true
        addSubview(mvmSwitch)
        mvmSwitch.translatesAutoresizingMaskIntoConstraints = false
        setupContainerConstraints()
    }
    
    public override func updateView(_ size: CGFloat) {
        super.updateView(size)
        mvmSwitch.updateView(size)
    }
    
    open override func setWithJSON(_ json: [AnyHashable: Any]?, delegateObject: MVMCoreUIDelegateObject?, additionalData: [AnyHashable: Any]?) {
        super.setWithJSON(json, delegateObject: delegateObject, additionalData: additionalData)
        isRequired = json?[KeyRequired] as? Bool ?? false
        self.delegateObject = delegateObject
        if let delegateObject = delegateObject {
            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.setState(json?.optionalBoolForKey("state") ?? false, animated: true)
    }
    
    func setupContainerConstraints() {
        mvmSwitch.topAnchor.constraint(equalTo: topAnchor).isActive = true
        mvmSwitch.leadingAnchor.constraint(equalTo: leadingAnchor).isActive = true
        mvmSwitch.bottomAnchor.constraint(equalTo: bottomAnchor).isActive = true
        mvmSwitch.trailingAnchor.constraint(equalTo: trailingAnchor).isActive = true
    }
    
    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 alignment() -> UIStackView.Alignment {
        return UIStackView.Alignment.leading
    }
    
    public override static func estimatedHeight(forRow json: [AnyHashable : Any]?, delegateObject: MVMCoreUIDelegateObject?) -> CGFloat {
        return MVMCoreUISwitch.getHeight()
    }
}