Camper-Monitor/CamperMonitor/Store/DemoData.swift

import Foundation

/// Füllt die App mit erfundenen Messwerten, damit sich die Ansichten ohne
/// Fahrzeug und ohne Bluetooth prüfen lassen.
///
/// Nur in Debug-Builds und nur, wenn beim Start `CAMPER_DEMO=1` gesetzt ist:
///
///     xcrun simctl launch --terminate-running-process \
///         booted de.fritob.CamperMonitor
///     # mit: SIMCTL_CHILD_CAMPER_DEMO=1 davor
///
/// Im normalen Betrieb wird hiervon nichts ausgeführt.
enum DemoData {

    static var isEnabled: Bool {
        #if DEBUG
        return ProcessInfo.processInfo.environment["CAMPER_DEMO"] == "1"
        #else
        return false
        #endif
    }

    static let mainProfile = Profile(id: Profile.defaultID, name: "Kastenwagen", symbol: "box.truck")
    static let secondProfile = Profile(
        id: UUID(uuidString: "00000000-0000-0000-0000-0000000000C2")!,
        name: "Wohnwagen", symbol: "car.side")

    static var profiles: [Profile] { [mainProfile, secondProfile] }

    static let booster = ConfiguredDevice(
        id: UUID(uuidString: "00000000-0000-0000-0000-0000000000B0")!,
        name: "Ladebooster", role: .chargeBooster, profileID: Profile.defaultID,
        peripheralID: UUID(uuidString: "00000000-0000-0000-0000-0000000000B1")!)

    static let solar = ConfiguredDevice(
        id: UUID(uuidString: "00000000-0000-0000-0000-000000000050")!,
        name: "Solar Dach", role: .solarCharger, profileID: Profile.defaultID,
        peripheralID: UUID(uuidString: "00000000-0000-0000-0000-000000000051")!)

    static let battery = ConfiguredDevice(
        id: UUID(uuidString: "00000000-0000-0000-0000-0000000000A0")!,
        name: "Bulltron 200 Ah", role: .bms, profileID: Profile.defaultID,
        peripheralID: UUID(uuidString: "00000000-0000-0000-0000-0000000000A1")!)

    static let caravanSolar = ConfiguredDevice(
        id: UUID(uuidString: "00000000-0000-0000-0000-0000000000C3")!,
        name: "Solar Wohnwagen", role: .solarCharger, profileID: secondProfile.id,
        peripheralID: UUID(uuidString: "00000000-0000-0000-0000-0000000000C4")!)

    static var devices: [ConfiguredDevice] { [solar, booster, battery, caravanSolar] }

    static func snapshots() -> [DeviceSnapshot] {
        var solarSnapshot = DeviceSnapshot(deviceID: solar.id, timestamp: Date(), rssi: -58)
        solarSnapshot.state = "Konstantspannung (Absorption)"
        solarSnapshot.metrics = [
            Metric("pv_power", "PV-Leistung", 284, unit: "W", precision: 0, primary: true),
            Metric("battery_power", "Ladeleistung", 262, unit: "W", precision: 0),
            Metric("battery_voltage", "Batteriespannung", 14.12, unit: "V", precision: 2),
            Metric("battery_current", "Ladestrom", 18.6, unit: "A", precision: 1),
            Metric("yield_today", "Ertrag heute", 1.34, unit: "kWh", precision: 2),
        ]

        var boosterSnapshot = DeviceSnapshot(deviceID: booster.id, timestamp: Date(), rssi: -71)
        boosterSnapshot.state = "Aus"
        boosterSnapshot.offReasons = ["Keine Eingangsspannung"]
        boosterSnapshot.metrics = [
            Metric("output_voltage", "Ausgang (Aufbaubatterie)", 14.09, unit: "V", precision: 2, primary: true),
            Metric("input_voltage", "Eingang (Starterbatterie)", 12.42, unit: "V", precision: 2),
        ]

        let cells = [3.412, 3.418, 3.409, 3.421]
        var batterySnapshot = DeviceSnapshot(deviceID: battery.id, timestamp: Date(), rssi: -64)
        batterySnapshot.state = "Lädt"
        batterySnapshot.cellVoltages = cells
        batterySnapshot.temperatures = [21, 22]
        batterySnapshot.metrics = [
            Metric("soc", "Ladezustand", 78.4, unit: "%", precision: 1, primary: true),
            Metric("voltage", "Spannung", 13.66, unit: "V", precision: 2),
            Metric("current", "Strom", 18.6, unit: "A", precision: 1),
            Metric("power", "Leistung", 254, unit: "W", precision: 0),
            Metric("capacity", "Restkapazität", 156.8, unit: "Ah", precision: 1),
            Metric("cell_delta", "Zell-Differenz", 12, unit: "mV", precision: 0),
            Metric("cell_max", "Höchste Zelle (Zelle 4)", 3.421, unit: "V", precision: 3),
            Metric("cell_min", "Niedrigste Zelle (Zelle 3)", 3.409, unit: "V", precision: 3),
            Metric("temp_max", "Temperatur", 22, unit: "°C", precision: 0),
            Metric("cycles", "Ladezyklen", 143, unit: "", precision: 0),
        ]

        var caravanSnapshot = DeviceSnapshot(deviceID: caravanSolar.id, timestamp: Date(), rssi: -77)
        caravanSnapshot.state = "Erhaltung (Float)"
        caravanSnapshot.metrics = [
            Metric("pv_power", "PV-Leistung", 62, unit: "W", precision: 0, primary: true),
            Metric("battery_voltage", "Batteriespannung", 13.62, unit: "V", precision: 2),
            Metric("battery_current", "Ladestrom", 4.4, unit: "A", precision: 1),
        ]

        return [solarSnapshot, boosterSnapshot, batterySnapshot, caravanSnapshot]
    }

    /// Ein paar Stunden Verlauf, damit die Grafik etwas zeigt.
    static func history(for deviceID: UUID, around value: Double) -> [HistorySample] {
        let now = Date()
        return (0..<80).reversed().map { step in
            let t = Double(step)
            let wave = sin(t / 9) * value * 0.18 + cos(t / 23) * value * 0.07
            return HistorySample(time: now.addingTimeInterval(-t * 60),
                                 value: max(0, value + wave))
        }
    }
}