splits/Splits/ContentView.swift

//
//  ContentView.swift
//  Splits
//
//  Created by Isaac Greene on 4/3/22.
//

import SwiftUI
import Foundation

struct ContentView: View {
	var SISystem = ["km","mi"]
	var minutes = Array(0...300)
	var times = Array(0...300).map { String($0) }
	@State var timeHours: String = ""
	@State var timeMinutes: String = ""
	@State var timeSeconds: String = ""
	@State var selectedSystem: String = "km"
	@State var distance: String = ""
	
	var body: some View {
		VStack {
			VStack {
				TextField("Enter distance here", text: $distance)
					.padding()
					.keyboardType(.decimalPad)
					.textFieldStyle(.roundedBorder)
			}
			VStack {
				Text("Unit of measurement:")
				Picker("System of measurement", selection: $selectedSystem, content: {
					ForEach(SISystem, id: \.self, content: { unit in
						Text(unit)
					})
				})
					.pickerStyle(.segmented)
					.frame(minWidth: 60, maxWidth: 300)
				HStack {
					VStack {
						Text("Hours")
						TextField("Enter hours here", text: $timeHours)
							.keyboardType(.numberPad)
							.textFieldStyle(.roundedBorder)
					}
					.frame(minWidth: 100)
					.padding(.trailing, -15)
					.padding()
					VStack {
						Text("Minutes")
						TextField("Enter minutes here", text: $timeMinutes)
								.keyboardType(.numberPad)
								.textFieldStyle(.roundedBorder)
					}
					.frame(minWidth: 100)
					.padding(.trailing, -15)
					.padding(.leading, -15)
					.padding()
					VStack {
						Text("Seconds")
						TextField("Enter seconds here", text: $timeSeconds)
							.keyboardType(.numberPad)
							.textFieldStyle(.roundedBorder)
					}
					.frame(minWidth: 100)
					.padding(.leading, -15)
					.padding()
				}
				PaceResults(timeHours: $timeHours, timeMinutes: $timeMinutes, timeSeconds: $timeSeconds, selectedSystem: $selectedSystem, distance: $distance)
			}
		}
	}
}

struct PaceResults: View {
	@Binding var timeHours: String
	@Binding var timeMinutes: String
	@Binding var timeSeconds: String
	@Binding var selectedSystem: String
	@Binding var distance: String
	
	var body: some View {
		let distanceDub = Double(distance) ?? 1.0
		
		let convertedSeconds:Double = (Double(timeSeconds) ?? 0) * (1.666666666666666666666666)
		let timeSecondsInt:Int = Int(timeSeconds) ?? 0
		let timeSecondsUnderSixty:Int = (timeSecondsInt % 60)
		
		let timeSecondsToMinutes:Int = (timeSecondsInt - timeSecondsUnderSixty) / 60
		
		let timeMinutesDouble:Double = Double(timeMinutes) ?? 0.0
		
		let timeMinutesInt:Int = (Int(timeMinutes) ?? 0) + (timeSecondsToMinutes)
		let timeMinutesUnderSixty:Int = timeMinutesInt % 60
		let timeMinutesToHours:Int = (timeMinutesInt - timeMinutesUnderSixty) / 60
		
		let totalHours:Double = Double(timeMinutesToHours) + (Double(timeHours) ?? 0)
		
		let leadingZeros:String = String(format: "%02d:%02d", timeMinutesUnderSixty, timeSecondsUnderSixty)
		
		let actualTime:Double = timeMinutesDouble + (convertedSeconds / 100) + ((Double(timeHours) ?? 0) * 60)
		let pace:Double = actualTime / distanceDub
		let paceString:String = String(format: "%.2f", pace)
		let hoursFormatted:String = String(format: "%.0f", totalHours)
		
		VStack {
			Text("Distance: \(distance)\(selectedSystem)")
			Text("Total time: \(hoursFormatted):\(leadingZeros)")
			Text("\(paceString) minutes per \(selectedSystem)")
		}
	}
}

struct ContentView_Previews: PreviewProvider {
	static var previews: some View {
		ContentView()
	}
}

/*
struct AllTheMath {
	@Binding var timeHours: String
	@Binding var timeMinutes: String
	@Binding var timeSeconds: String
	@Binding var selectedSystem: String
	@Binding var distance: String
	
	let distanceDub = Double(distance) ?? 1.0
	
	let convertedSeconds:Double = (Double(timeSeconds) ?? 0) * (1.666666666666666666666666)
	let timeSecondsInt:Int = Int(timeSeconds) ?? 0
	let timeSecondsUnderSixty:Int = (timeSecondsInt % 60)
	
	let timeSecondsToMinutes:Int = (timeSecondsInt - timeSecondsUnderSixty) / 60
	
	let timeMinutesDouble:Double = Double(timeMinutes) ?? 0.0
	
	let timeMinutesInt:Int = (Int(timeMinutes) ?? 0) + (timeSecondsToMinutes)
	let timeMinutesUnderSixty:Int = timeMinutesInt % 60
	let timeMinutesToHours:Int = (timeMinutesInt - timeMinutesUnderSixty) / 60
	
	let totalHours:Double = Double(timeMinutesToHours) + (Double(timeHours) ?? 0)
	
	let leadingZeros:String = String(format: "%02d:%02d", timeMinutesUnderSixty, timeSecondsUnderSixty)
	
	let actualTime:Double = timeMinutesDouble + (convertedSeconds / 100) + ((Double(timeHours) ?? 0) * 60)
	let pace:Double = actualTime / distanceDub
	let paceString:String = String(format: "%.2f", pace)
	let hoursFormatted:String = String(format: "%.0f", totalHours)
}
*/