AccountDetailsInterfaceController.swift

//
//  AccountDetailsInterfaceController.swift
//  SynchronyFinancial WatchKit Extension
//
//  Created by Alan Maynard on 3/6/19.
//  Copyright © 2019 Alan Maynard. All rights reserved.
//

import WatchKit
import Foundation

class AccountDetailsInterfaceController: WKInterfaceController {
    var selectedAccount: Account?
    var dictForAcct: [String: Account] = [:]

    @IBOutlet weak var transactionsButton: WKInterfaceButton!
    @IBOutlet weak var payButton: WKInterfaceButton!
    @IBOutlet weak var balanceLabel: WKInterfaceLabel!
    @IBOutlet weak var availableFundsLabel: WKInterfaceLabel!
    @IBOutlet weak var accountNameLabel: WKInterfaceLabel!
    @IBOutlet weak var nextPaymentDueLabel: WKInterfaceLabel!

    @IBAction func payBillTapped() {
        if let acct = selectedAccount {
            dictForAcct.updateValue(acct, forKey: "acct")
        }
        pushController(withName: "PayMinimum", context: dictForAcct)
    }

    override func awake(withContext context: Any?) {
        super.awake(withContext: context)
        payButton.setWidth(self.contentFrame.width / 2)
        transactionsButton.setWidth(self.contentFrame.width / 2)
        guard let data = context as? [String: Account] else {
            NSLog("Error receiving context containing selected account in AccountDetailInterfaceController")
            return
        }

        selectedAccount = data["acct"]
        configureForAccount()
    }

    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 == "payBill" {
            if let acct = selectedAccount {
                dictForAcct.updateValue(acct, forKey: "acct")
                return dictForAcct
            }
        }

        return nil
    }

    private func configureForAccount() {
        guard selectedAccount != nil, let acct = selectedAccount else {
            NSLog("Error configuring AccountDetails. selectedAccount is nil")
            return
        }

        let balanceFormatted = String(format: "%.2f", acct.balance)
        let availableFormatted = String(format: "%.2f", acct.limit - acct.balance)
        let date = DateFormatter.localizedString(from: acct.paymentDueDate, dateStyle: .medium, timeStyle: .none)

        accountNameLabel.setText(acct.accountNumber)
        balanceLabel.setText("Balance: $\(balanceFormatted)")
        availableFundsLabel.setText("Available: $\(availableFormatted)")
        nextPaymentDueLabel.setText(date)
    }
}