iOSTaipei

BatteryStatus.swift

import Foundation

protocol BatteryStatusProtocol {
    static var allStatus: [BatteryStatus] { get }
    mutating func setStatus<T: BinaryInteger>(input: T)
}
enum BatteryStatus: String, BatteryStatusProtocol {
    case full, medium, less, charging, notOffcial
}
// Implement
extension BatteryStatus {
    static var allStatus: [BatteryStatus] {
        return [full, medium, less, charging, notOffcial]
    }
    static let shared: BatteryStatus = .full
    mutating func setStatus<T: BinaryInteger>(input: T) {
        switch input {
        case 0...30:    self = .less
        case 31...90:   self = .medium
        case 90...100:  self = .full
        default:        self = .notOffcial
        }
    }
}
// Usage
var batteryStatus = BatteryStatus.shared
batteryStatus.setStatus(input: 50)
batteryStatus.rawValue
batteryStatus.setStatus(input: 10)
batteryStatus.setStatus(input: -1)