Meshtastic-Apple/Meshtastic/Views/Settings/SaveChannelQRCode.swift
2025-06-27 16:52:51 -07:00

339 lines
12 KiB
Swift

//
// SaveChannelQRCode.swift
// Meshtastic
//
// Copyright(c) Garth Vander Houwen 7/13/22.
//
import SwiftUI
import CoreData
import OSLog
import MeshtasticProtobufs
struct SaveChannelQRCode: View {
@Environment(\.dismiss) private var dismiss
@Environment(\.managedObjectContext) var context
let channelSetLink: String
var addChannels: Bool = false
var bleManager: BLEManager
@State private var showError: Bool = false
@State private var errorMessage: String = ""
@State private var connectedToDevice: Bool = false
@State private var loraChanges: [String] = []
@State private var okToMQTT: Bool = false
var body: some View {
VStack {
Text("\(addChannels ? "Add" : "Replace all") Channels?")
.font(.title)
Text("These settings will \(addChannels ? "add" : "replace all") channels. The current LoRa Config will be replaced, if there are substantial changes to the LoRa config the device will reboot")
.fixedSize(horizontal: false, vertical: true)
.foregroundColor(.gray)
.font(.title3)
.padding()
if !loraChanges.isEmpty {
VStack(alignment: .leading) {
Text("LoRa Config Changes:")
.font(.headline)
.padding(.bottom, 5)
ForEach(loraChanges, id: \.self) { change in
Text("\(change)")
.font(.callout)
.foregroundColor(.orange)
}
}
.padding()
}
if showError {
Text(errorMessage.isEmpty ? "Channels being added from the QR code did not save. When adding channels the names must be unique." : errorMessage)
.fixedSize(horizontal: false, vertical: true)
.foregroundColor(.red)
.font(.callout)
.padding()
}
HStack {
if !showError {
Button {
// Extract channel data if it's a full URL
let channelData: String
if channelSetLink.hasPrefix("http") || channelSetLink.hasPrefix("meshtastic://") {
guard let extractedData = extractChannelDataFromURL(channelSetLink) else {
Logger.data.error("Failed to extract channel data from URL during save: \(channelSetLink)")
errorMessage = "Invalid channel URL format"
showError = true
return
}
channelData = extractedData
} else {
channelData = channelSetLink
}
let success = bleManager.saveChannelSet(base64UrlString: channelData, addChannels: addChannels, okToMQTT: okToMQTT)
if success {
dismiss()
} else {
errorMessage = "Failed to save channel configuration"
showError = true
}
} label: {
Label("Save", systemImage: "square.and.arrow.down")
}
.buttonStyle(.bordered)
.buttonBorderShape(.capsule)
.controlSize(.large)
.padding()
.disabled(!connectedToDevice)
#if targetEnvironment(macCatalyst)
Button {
dismiss()
} label: {
Label("Cancel", systemImage: "xmark")
}
.buttonStyle(.bordered)
.buttonBorderShape(.capsule)
.controlSize(.large)
.padding()
#endif
} else {
Button {
dismiss()
} label: {
Label("Cancel", systemImage: "xmark")
}
.buttonStyle(.bordered)
.buttonBorderShape(.capsule)
.controlSize(.large)
.padding()
}
}
}
.onAppear {
Logger.data.info("Ch set link \(channelSetLink)")
connectedToDevice = bleManager.connectToPreferredPeripheral()
fetchLoRaConfigChanges()
}
}
private func extractChannelDataFromURL(_ urlString: String) -> String? {
Logger.data.info("Extracting channel data from URL: \(urlString)")
if let url = URL(string: urlString) {
// Get the fragment (part after #)
if let fragment = url.fragment, !fragment.isEmpty {
Logger.data.info("Extracted fragment from URL: \(fragment)")
return fragment
}
}
// Fallback: manually extract everything after the last #
if let hashIndex = urlString.lastIndex(of: "#") {
let startIndex = urlString.index(after: hashIndex)
let channelData = String(urlString[startIndex...])
if !channelData.isEmpty {
Logger.data.info("Extracted channel data manually: \(channelData)")
return channelData
}
}
Logger.data.error("Failed to extract channel data from URL: \(urlString)")
return nil
}
private func fetchLoRaConfigChanges() {
var currentLoRaConfig: Config.LoRaConfig?
// First, extract the actual channel data from the URL if it's a full URL
let channelData: String
if channelSetLink.hasPrefix("http") || channelSetLink.hasPrefix("meshtastic://") {
guard let extractedData = extractChannelDataFromURL(channelSetLink) else {
Logger.data.error("Failed to extract channel data from URL: \(channelSetLink)")
errorMessage = "Invalid channel URL format"
showError = true
return
}
channelData = extractedData
} else {
// Assume it's already the base64 data
channelData = channelSetLink
}
Logger.data.info("Processing channel data: \(channelData)")
// Fetch current LoRa config from Core Data
let fetchRequest = NodeInfoEntity.fetchRequest()
fetchRequest.predicate = NSPredicate(format: "num == %lld", Int64(bleManager.connectedPeripheral?.num ?? 0))
do {
let nodes = try context.fetch(fetchRequest)
if let node = nodes.first {
currentLoRaConfig = node.loRaConfig?.toProto()
}
} catch {
Logger.data.error("Failed to fetch NodeInfoEntity: \(error.localizedDescription, privacy: .public)")
}
// Decode base64url string
let decodedString = channelData.base64urlToBase64()
guard let decodedData = Data(base64Encoded: decodedString) else {
Logger.data.error("Invalid base64 for ChannelSet data: \(channelData, privacy: .public)")
errorMessage = "Invalid channel data format"
showError = true
return
}
do {
let channelSet = try ChannelSet(serializedBytes: decodedData)
let newLoRaConfig = channelSet.loraConfig
var changes: [String] = []
// Preserve user's current okToMQTT setting
okToMQTT = currentLoRaConfig?.configOkToMqtt ?? false
if let current = currentLoRaConfig {
// Compare each field and track changes
if current.hopLimit != newLoRaConfig.hopLimit {
changes.append("Hop Limit: \(current.hopLimit) -> \(newLoRaConfig.hopLimit)")
}
if current.region != newLoRaConfig.region {
let currentRegionDesc = RegionCodes(rawValue: Int(current.region.rawValue))?.description ?? "Unknown"
let newRegionDesc = RegionCodes(rawValue: Int(newLoRaConfig.region.rawValue))?.description ?? "Unknown"
changes.append("Region: \(currentRegionDesc) -> \(newRegionDesc)")
}
if current.modemPreset != newLoRaConfig.modemPreset {
let currentPresetDesc = ModemPresets(rawValue: Int(current.modemPreset.rawValue))?.description ?? "Unknown"
let newPresetDesc = ModemPresets(rawValue: Int(newLoRaConfig.modemPreset.rawValue))?.description ?? "Unknown"
changes.append("Modem Preset: \(currentPresetDesc) -> \(newPresetDesc)")
}
if current.usePreset != newLoRaConfig.usePreset {
changes.append("Use Preset: \(current.usePreset) -> \(newLoRaConfig.usePreset)")
}
if current.txEnabled != newLoRaConfig.txEnabled {
changes.append("Transmit Enabled: \(current.txEnabled) -> \(newLoRaConfig.txEnabled)")
}
if current.txPower != newLoRaConfig.txPower {
changes.append("Transmit Power: \(current.txPower)dBm -> \(newLoRaConfig.txPower)dBm")
}
if current.channelNum != newLoRaConfig.channelNum {
changes.append("Channel Number: \(current.channelNum) -> \(newLoRaConfig.channelNum)")
}
if current.bandwidth != newLoRaConfig.bandwidth {
changes.append("Bandwidth: \(current.bandwidth) -> \(newLoRaConfig.bandwidth)")
}
if current.codingRate != newLoRaConfig.codingRate {
changes.append("Coding Rate: \(current.codingRate) -> \(newLoRaConfig.codingRate)")
}
if current.spreadFactor != newLoRaConfig.spreadFactor {
changes.append("Spread Factor: \(current.spreadFactor) -> \(newLoRaConfig.spreadFactor)")
}
if current.sx126XRxBoostedGain != newLoRaConfig.sx126XRxBoostedGain {
changes.append("RX Boosted Gain: \(current.sx126XRxBoostedGain) -> \(newLoRaConfig.sx126XRxBoostedGain)")
}
if current.overrideFrequency != newLoRaConfig.overrideFrequency {
changes.append("Override Frequency: \(current.overrideFrequency) -> \(newLoRaConfig.overrideFrequency)")
}
if current.ignoreMqtt != newLoRaConfig.ignoreMqtt {
changes.append("Ignore MQTT: \(current.ignoreMqtt) -> \(newLoRaConfig.ignoreMqtt)")
}
} else {
// Compare against default values when no current config exists
let defaultConfig = getDefaultLoRaConfig()
if newLoRaConfig.hopLimit != defaultConfig.hopLimit {
changes.append("Hop Limit: \(defaultConfig.hopLimit) -> \(newLoRaConfig.hopLimit)")
}
if newLoRaConfig.region != defaultConfig.region {
let newRegionDesc = RegionCodes(rawValue: Int(newLoRaConfig.region.rawValue))?.description ?? "Unknown"
changes.append("Region: Unset -> \(newRegionDesc)")
}
if newLoRaConfig.modemPreset != defaultConfig.modemPreset {
let newPresetDesc = ModemPresets(rawValue: Int(newLoRaConfig.modemPreset.rawValue))?.description ?? "Unknown"
changes.append("Modem Preset: Long Fast -> \(newPresetDesc)")
}
if newLoRaConfig.usePreset != defaultConfig.usePreset {
changes.append("Use Preset: \(defaultConfig.usePreset) -> \(newLoRaConfig.usePreset)")
}
if newLoRaConfig.txEnabled != defaultConfig.txEnabled {
changes.append("Transmit Enabled: \(defaultConfig.txEnabled) -> \(newLoRaConfig.txEnabled)")
}
if newLoRaConfig.txPower != defaultConfig.txPower {
changes.append("Transmit Power: \(defaultConfig.txPower)dBm -> \(newLoRaConfig.txPower)dBm")
}
if newLoRaConfig.channelNum != defaultConfig.channelNum {
changes.append("Channel Number: \(defaultConfig.channelNum) -> \(newLoRaConfig.channelNum)")
}
if newLoRaConfig.bandwidth != defaultConfig.bandwidth {
changes.append("Bandwidth: \(defaultConfig.bandwidth) -> \(newLoRaConfig.bandwidth)")
}
if newLoRaConfig.codingRate != defaultConfig.codingRate {
changes.append("Coding Rate: \(defaultConfig.codingRate) -> \(newLoRaConfig.codingRate)")
}
if newLoRaConfig.spreadFactor != defaultConfig.spreadFactor {
changes.append("Spread Factor: \(defaultConfig.spreadFactor) -> \(newLoRaConfig.spreadFactor)")
}
if newLoRaConfig.sx126XRxBoostedGain != defaultConfig.sx126XRxBoostedGain {
changes.append("RX Boosted Gain: \(defaultConfig.sx126XRxBoostedGain) -> \(newLoRaConfig.sx126XRxBoostedGain)")
}
if newLoRaConfig.overrideFrequency != defaultConfig.overrideFrequency {
changes.append("Override Frequency: \(defaultConfig.overrideFrequency) -> \(newLoRaConfig.overrideFrequency)")
}
if newLoRaConfig.ignoreMqtt != defaultConfig.ignoreMqtt {
changes.append("Ignore MQTT: \(defaultConfig.ignoreMqtt) -> \(newLoRaConfig.ignoreMqtt)")
}
}
loraChanges = changes
} catch {
Logger.data.error("Failed to decode ChannelSet: \(error.localizedDescription, privacy: .public)")
errorMessage = "Failed to decode channel configuration"
showError = true
}
}
private func getDefaultLoRaConfig() -> Config.LoRaConfig {
var config = Config.LoRaConfig()
config.hopLimit = 3
config.region = .unset
config.modemPreset = .longFast
config.usePreset = true
config.txEnabled = true
config.txPower = 0
config.channelNum = 0
config.bandwidth = 0
config.codingRate = 0
config.spreadFactor = 0
config.sx126XRxBoostedGain = false
config.overrideFrequency = 0.0
config.ignoreMqtt = false
config.configOkToMqtt = false
return config
}
}
extension LoRaConfigEntity {
func toProto() -> Config.LoRaConfig {
var config = Config.LoRaConfig()
config.hopLimit = UInt32(self.hopLimit)
config.region = Config.LoRaConfig.RegionCode(rawValue: Int(self.regionCode)) ?? .unset
config.modemPreset = Config.LoRaConfig.ModemPreset(rawValue: Int(self.modemPreset)) ?? .longFast
config.usePreset = self.usePreset
config.txEnabled = self.txEnabled
config.txPower = Int32(self.txPower)
config.channelNum = UInt32(self.channelNum)
config.bandwidth = UInt32(self.bandwidth)
config.codingRate = UInt32(self.codingRate)
config.spreadFactor = UInt32(self.spreadFactor)
config.sx126XRxBoostedGain = self.sx126xRxBoostedGain
config.overrideFrequency = self.overrideFrequency
config.ignoreMqtt = self.ignoreMqtt
config.configOkToMqtt = self.okToMqtt
return config
}
}