PayBillInterfaceController.swift

//
//  PayBillInterfaceController.swift
//  SynchronyFinancial
//
//  Created by Alan Maynard on 3/13/19.
//  Copyright © 2019 Alan Maynard. All rights reserved.
//

import WatchKit
import Foundation

class PayBillInterfaceController: WKInterfaceController {
    var acct: Account?
    var payDict: [String: Any] = [:]

    @IBOutlet weak var balanceLabel: WKInterfaceLabel!
    @IBOutlet weak var payBalanceButton: WKInterfaceButton!
    @IBOutlet weak var minimumLabel: WKInterfaceLabel!
    @IBOutlet weak var payMinimumButton: WKInterfaceButton!

    override func awake(withContext context: Any?) {
        super.awake(withContext: context)

        // Configure interface objects here.
        guard let data = context as? [String: Account] else {
            NSLog("Error receiving context containing selected account in AccountDetailInterfaceController")
            return
        }

        acct = data["acct"]
        configure()
    }

    override func willActivate() {
        // This method is called when watch view controller is about to be visible to user
        super.willActivate()
    }

    override func didDeactivate() {
        // This method is called when watch view controller is no longer visible
        super.didDeactivate()
    }

    override func contextForSegue(withIdentifier segueIdentifier: String) -> Any? {
        if segueIdentifier == "PayMinimum" {
            payDict.updateValue(Double(acct?.minPayDue ?? 0.0), forKey: "payment_amount")
        } else if segueIdentifier == "PayAll" {
            payDict.updateValue(Double(acct?.curBalance ?? 0.0), forKey: "payment_amount")
        }
        return payDict
    }

    private func configure() {
        if let valid = acct {
            payDict.updateValue(valid, forKey: "acct")
            let balanceFormatted = String(format: "$%.2f", valid.curBalance)
            balanceLabel.setText("Balance: \(balanceFormatted)")
            payBalanceButton.setTitle("Pay \(balanceFormatted)")

            let minimumFormatted = String(format: "$%.2f", valid.minPayDue)
            minimumLabel.setText("Minimum Payment:\n\(minimumFormatted)")
            payMinimumButton.setTitle("Pay \(minimumFormatted)")

            payMinimumButton.setEnabled(valid.minPayDue > 0.0)
            payBalanceButton.setEnabled(valid.curBalance > 0.0)
        }
    }
}