TransactionsInterfaceController.swift

//
//  TransactionsInterfaceController.swift
//  SynchronyFinancial WatchKit Extension
//
//  Created by Alan Maynard on 3/20/19.
//  Copyright © 2019 Alan Maynard. All rights reserved.
//

import WatchKit
import Foundation

class TransactionsInterfaceController: WKInterfaceController {
    @IBOutlet weak var transactionsTable: WKInterfaceTable!
    var transactions: [Transaction] = []

    override func awake(withContext context: Any?) {
        super.awake(withContext: context)
        for i in 0..<5 {
            transactions.append(Transaction(type: .purchase, amount: 50.00 * Double(i), merchantID: "WalMart Store 1245\(i)", date: Calendar.current.date(byAdding: .day, value: -i, to: Date()) ?? Date()))
            transactions.append(Transaction(type: .reimbursement, amount: 12.5 * Double(i), merchantID: "Thank You", date: Calendar.current.date(byAdding: .day, value: -i, to: Date()) ?? Date()))
        }
        configureRows()
    }

    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()
    }

    private func configureRows() {
        // first sort our demo data in descending date order
        transactions.sort(by: { $0.date > $1.date })
        transactionsTable.setNumberOfRows(transactions.count, withRowType: "transactionCell")

        for index in 0..<transactionsTable.numberOfRows {
            if let row = transactionsTable.rowController(at: index) as? TransactionCell {
                row.transactionLabel.setText(transactions[index].merchantID)
                row.valueLabel.setText(String(format: "$%.2f", transactions[index].amount))
                row.valueLabel.setTextColor(transactions[index].type == .purchase ? UIColor.red : UIColor.green)
            }
        }
    }
}