loopfollow/LoopFollow/BackgroundRefresh/BackgroundRefreshType.swift

// LoopFollow
// BackgroundRefreshType.swift
// Created by Jonas Björkert.

import Foundation

enum BackgroundRefreshType: String, Codable, CaseIterable {
    case none = "None"
    case silentTune = "Silent Tune"
    case rileyLink = "RileyLink"
    case dexcom = "Dexcom"
    case omnipodDash = "Omnipod Dash"

    /// Indicates if the device type uses Bluetooth
    var isBluetooth: Bool {
        switch self {
        case .rileyLink, .dexcom, .omnipodDash:
            return true
        case .silentTune, .none:
            return false
        }
    }

    var heartBeatInterval: TimeInterval? {
        switch self {
        case .rileyLink:
            return 60
        case .omnipodDash:
            return 3 * 60
        case .dexcom:
            return 5 * 60
        case .silentTune, .none:
            return nil
        }
    }

    var estimatedDelayBasedOnHeartbeat: Bool {
        switch self {
        case .rileyLink:
            return true
        case .dexcom, .omnipodDash, .silentTune, .none:
            return false
        }
    }

    /// Determines if a BLEDevice matches the specific device type
    func matches(_ device: BLEDevice) -> Bool {
        switch self {
        case .rileyLink:
            let rileyUUIDString = "0235733b-99c5-4197-b856-69219c2a3845"
            if let services = device.advertisedServices {
                return services.map { $0.lowercased() }
                    .contains(rileyUUIDString.lowercased())
            }
            return false

        case .dexcom:
            if let name = device.name {
                return name.hasPrefix("DXCM") || name.hasPrefix("DX02") || name.hasPrefix("Dexcom")
            }
            return false

        case .omnipodDash:
            if let name = device.name {
                // actual DASH or rPi DASH simulator
                return name == "TWI BOARD" || name == " :: Fake POD ::"
            }
            return false

        case .silentTune, .none:
            return false
        }
    }
}