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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 excessNoise = 3
case firstOfTwoBGsNeeded = 4
case secondOfTwoBGsNeeded = 5
case ok = 6
case needsCalibration = 7
case calibrationError1 = 8
case calibrationError2 = 9
case calibrationLinearityFitFailure = 10
case sensorFailedDuetoCountsAberration = 11
case sensorFailedDuetoResidualAberration = 12
case outOfCalibrationDueToOutlier = 13
case outlierCalibrationRequest = 14
case sessionExpired = 15
case sessionFailedDueToUnrecoverableError = 16
case sessionFailedDueToTransmitterError = 17
case temporarySensorIssue = 18
case sensorFailedDueToProgressiveSensorDecline = 19
case sensorFailedDueToHighCountsAberration = 20
case sensorFailedDueToLowCountsAberration = 21
case sensorFailedDueToRestart = 22
case expired = 24
case sensorFailed = 25
case sessionEnded = 26
}
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, .sensorFailedDuetoCountsAberration, .sensorFailedDuetoResidualAberration, .sessionFailedDueToTransmitterError, .sessionFailedDueToUnrecoverableError, .sensorFailedDueToProgressiveSensorDecline, .sensorFailedDueToHighCountsAberration, .sensorFailedDueToLowCountsAberration, .sensorFailedDueToRestart:
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 hasTemporaryError: Bool {
guard case .known(let state) = self else {
return false
}
switch state {
case .temporarySensorIssue:
return true
default:
return false
}
}
public var hasReliableGlucose: Bool {
guard case .known(let state) = self else {
return false
}
switch state {
case .ok:
return true
default:
return false
}
}
}
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))"
}
}
}