/*

 Copyright (C) 2016 Apple Inc. All Rights Reserved.

 See LICENSE.txt for this sample’s licensing information

 Abstract:

 This controller demonstrates the crown sequencer object and how it interacts with other scrolling components.

 */

import WatchKit

class CrownDetailController: WKInterfaceController, WKCrownDelegate {

    @IBOutlet var velocityLabel: WKInterfaceLabel!

    @IBOutlet var stateLabel: WKInterfaceLabel!

    @IBOutlet var pickerView: WKInterfacePicker!

    override func awake(withContext context: Any?) {

        super.awake(withContext: context)

        let itemList: [(String, String)] = [

            ("Item 1", "Red"),

            ("Item 2", "Green"),

            ("Item 3", "Blue")

        ]

        let pickerItems: [WKPickerItem] = itemList.map {

            let pickerItem = WKPickerItem()

            pickerItem.caption = $0.0

            pickerItem.title = $0.1

            return pickerItem

        }

        pickerView.setItems(pickerItems)

        crownSequencer.delegate = self

    }

    override func willActivate() {

        // This method is called when watch view controller is about to be visible to user

        super.willActivate()

        crownSequencer.focus()

    }

    @IBAction func focusCrown(sender: AnyObject) {

        crownSequencer.focus()

    }

    func updateCrownLabels() {

        velocityLabel.setText(String(format: "RPS: %2.2lf", crownSequencer.rotationsPerSecond))

        stateLabel.setText(crownSequencer.isIdle ? "Idle: true" : "Idle: false")

    }

    func crownDidBecomeIdle(_ crownSequencer: WKCrownSequencer?) {

        updateCrownLabels()

    }

    func crownDidRotate(_ crownSequencer: WKCrownSequencer?, rotationalDelta: Double) {

        updateCrownLabels()

    }

}