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//
// CalibrationState.swift
// xDripG5
//
// Created by Nate Racklyeft on 8/6/16.
// Copyright © 2016 Nathan Racklyeft. All rights reserved.
//
import Foundation
public enum AlgorithmState: RawRepresentable {
public typealias RawValue = UInt8
public enum State: RawValue {
case stopped = 1
case warmup = 2
case ok = 6
case questionMarks = 18
case expired = 24
case sensorFailed = 25
}
case known(State)
case unknown(RawValue)
public init(rawValue: RawValue) {
guard let state = State(rawValue: rawValue) else {
self = .unknown(rawValue)
return
}
self = .known(state)
}
public var rawValue: RawValue {
switch self {
case .known(let state):
return state.rawValue
case .unknown(let rawValue):
return rawValue
}
}
public var sensorFailed: Bool {
guard case .known(let state) = self else {
return false
}
switch state {
case .sensorFailed:
return true
default:
return false
}
}
public var isInWarmup: Bool {
guard case .known(let state) = self else {
return false
}
switch state {
case .warmup:
return true
default:
return false
}
}
public var isInSensorError: Bool {
guard case .known(let state) = self else {
return false
}
switch state {
case .questionMarks:
return true
default:
return false
}
}
public var hasReliableGlucose: Bool {
guard case .known(let state) = self else {
return false
}
switch state {
case .stopped,
.warmup,
.questionMarks,
.expired,
.sensorFailed:
return false
case .ok:
return true
}
}
}
extension AlgorithmState: Equatable {
public static func ==(lhs: AlgorithmState, rhs: AlgorithmState) -> Bool {
switch (lhs, rhs) {
case (.known(let lhs), .known(let rhs)):
return lhs == rhs
case (.unknown(let lhs), .unknown(let rhs)):
return lhs == rhs
default:
return false
}
}
}
extension AlgorithmState: CustomStringConvertible {
public var description: String {
switch self {
case .known(let state):
return String(describing: state)
case .unknown(let value):
return ".unknown(\(value))"
}
}
}