loopfollow/LoopFollow/helpers/Chart.swift

//
//  Chart.swift
//  LoopFollow
//
//  Created by Jon Fawcett on 6/3/20.
//  Copyright © 2020 Jon Fawcett. All rights reserved.
//

import Foundation
import Charts

final class ChartXValueFormatter: IAxisValueFormatter {

    func stringForValue(_ value: Double, axis: AxisBase?) -> String {
        
        let dateFormatter = DateFormatter()
        //let timezoneOffset = TimeZone.current.secondsFromGMT()
        //let epochTimezoneOffset = value + Double(timezoneOffset)
        dateFormatter.setLocalizedDateFormatFromTemplate("hh:mm")
        //let date = Date(timeIntervalSince1970: epochTimezoneOffset)
        let date = Date(timeIntervalSince1970: value)
        let formattedDate = dateFormatter.string(from: date)

        return formattedDate
    }
}