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| 1 | +import { readFileSync, existsSync } from 'node:fs' |
| 2 | +import type { PartialZWaveOptions } from 'zwave-js' |
| 3 | +import { driverPresets } from 'zwave-js' |
| 4 | +import { module } from './logger.ts' |
| 5 | + |
| 6 | +const logger = module('ExternalSettings') |
| 7 | + |
| 8 | +export interface ExternalZwaveSettings { |
| 9 | + // Logging (with UI configuration) |
| 10 | + logEnabled?: boolean |
| 11 | + logLevel?: string |
| 12 | + logToFile?: boolean |
| 13 | + maxFiles?: number |
| 14 | + |
| 15 | + // Logging (without UI configuration) |
| 16 | + logFilename?: string |
| 17 | + forceConsole?: boolean |
| 18 | + |
| 19 | + // RF settings |
| 20 | + rf?: { |
| 21 | + region?: number |
| 22 | + autoPowerlevels?: boolean |
| 23 | + } |
| 24 | + |
| 25 | + // Storage |
| 26 | + storage?: { |
| 27 | + cacheDir?: string |
| 28 | + throttle?: 'normal' | 'slow' | 'fast' |
| 29 | + } |
| 30 | + |
| 31 | + // Security keys |
| 32 | + securityKeys?: { |
| 33 | + S0_Legacy?: string |
| 34 | + S2_Unauthenticated?: string |
| 35 | + S2_Authenticated?: string |
| 36 | + S2_AccessControl?: string |
| 37 | + } |
| 38 | + securityKeysLongRange?: { |
| 39 | + S2_Authenticated?: string |
| 40 | + S2_AccessControl?: string |
| 41 | + } |
| 42 | + |
| 43 | + // Features |
| 44 | + enableSoftReset?: boolean |
| 45 | + |
| 46 | + // Z-Wave JS Server settings |
| 47 | + serverEnabled?: boolean |
| 48 | + serverPort?: number |
| 49 | + serverHost?: string |
| 50 | + serverServiceDiscoveryDisabled?: boolean |
| 51 | + |
| 52 | + // Presets |
| 53 | + presets?: string[] |
| 54 | +} |
| 55 | + |
| 56 | +let cachedSettings: ExternalZwaveSettings | null = null |
| 57 | +let settingsLoaded = false |
| 58 | + |
| 59 | +export function loadExternalSettings(): ExternalZwaveSettings | null { |
| 60 | + if (settingsLoaded) return cachedSettings |
| 61 | + settingsLoaded = true |
| 62 | + |
| 63 | + const filePath = process.env.ZWAVE_EXTERNAL_SETTINGS |
| 64 | + if (!filePath) return null |
| 65 | + |
| 66 | + if (!existsSync(filePath)) { |
| 67 | + logger.warn(`External settings file not found: ${filePath}`) |
| 68 | + return null |
| 69 | + } |
| 70 | + |
| 71 | + try { |
| 72 | + cachedSettings = JSON.parse( |
| 73 | + readFileSync(filePath, 'utf-8'), |
| 74 | + ) as ExternalZwaveSettings |
| 75 | + logger.info(`Loaded external Z-Wave settings from: ${filePath}`) |
| 76 | + return cachedSettings |
| 77 | + } catch (error) { |
| 78 | + logger.error( |
| 79 | + `Failed to load external settings: ${(error as Error).message}`, |
| 80 | + ) |
| 81 | + return null |
| 82 | + } |
| 83 | +} |
| 84 | + |
| 85 | +export function getExternallyManagedPaths(): string[] { |
| 86 | + const settings = loadExternalSettings() |
| 87 | + if (!settings) return [] |
| 88 | + |
| 89 | + const paths: string[] = [] |
| 90 | + |
| 91 | + // Logging (logFilename and forceConsole are driver-only, no UI mapping) |
| 92 | + if (settings.logEnabled !== undefined) paths.push('zwave.logEnabled') |
| 93 | + if (settings.logLevel !== undefined) paths.push('zwave.logLevel') |
| 94 | + if (settings.logToFile !== undefined) paths.push('zwave.logToFile') |
| 95 | + if (settings.maxFiles !== undefined) paths.push('zwave.maxFiles') |
| 96 | + |
| 97 | + // RF settings |
| 98 | + if (settings.rf?.region !== undefined) paths.push('zwave.rf.region') |
| 99 | + if (settings.rf?.autoPowerlevels !== undefined) |
| 100 | + paths.push('zwave.rf.autoPowerlevels') |
| 101 | + |
| 102 | + // Security keys (check each specific key) |
| 103 | + if (settings.securityKeys?.S0_Legacy !== undefined) |
| 104 | + paths.push('zwave.securityKeys.S0_Legacy') |
| 105 | + if (settings.securityKeys?.S2_Unauthenticated !== undefined) |
| 106 | + paths.push('zwave.securityKeys.S2_Unauthenticated') |
| 107 | + if (settings.securityKeys?.S2_Authenticated !== undefined) |
| 108 | + paths.push('zwave.securityKeys.S2_Authenticated') |
| 109 | + if (settings.securityKeys?.S2_AccessControl !== undefined) |
| 110 | + paths.push('zwave.securityKeys.S2_AccessControl') |
| 111 | + if (settings.securityKeysLongRange?.S2_Authenticated !== undefined) |
| 112 | + paths.push('zwave.securityKeysLongRange.S2_Authenticated') |
| 113 | + if (settings.securityKeysLongRange?.S2_AccessControl !== undefined) |
| 114 | + paths.push('zwave.securityKeysLongRange.S2_AccessControl') |
| 115 | + |
| 116 | + // Features |
| 117 | + if (settings.enableSoftReset !== undefined) |
| 118 | + paths.push('zwave.enableSoftReset') |
| 119 | + |
| 120 | + // Home Assistant / Z-Wave JS Server settings |
| 121 | + if (settings.serverEnabled !== undefined) paths.push('zwave.serverEnabled') |
| 122 | + if (settings.serverPort !== undefined) paths.push('zwave.serverPort') |
| 123 | + if (settings.serverHost !== undefined) paths.push('zwave.serverHost') |
| 124 | + if (settings.serverServiceDiscoveryDisabled !== undefined) |
| 125 | + paths.push('zwave.serverServiceDiscoveryDisabled') |
| 126 | + |
| 127 | + // Presets (driver-only, no UI mapping) |
| 128 | + |
| 129 | + return paths |
| 130 | +} |
| 131 | + |
| 132 | +export function applyExternalDriverSettings( |
| 133 | + zwaveOptions: PartialZWaveOptions, |
| 134 | +): void { |
| 135 | + const settings = loadExternalSettings() |
| 136 | + if (!settings) return |
| 137 | + |
| 138 | + if ( |
| 139 | + settings.logFilename !== undefined || |
| 140 | + settings.forceConsole !== undefined |
| 141 | + ) { |
| 142 | + zwaveOptions.logConfig = zwaveOptions.logConfig || {} |
| 143 | + if (settings.logFilename !== undefined) |
| 144 | + zwaveOptions.logConfig.filename = settings.logFilename |
| 145 | + if (settings.forceConsole !== undefined) |
| 146 | + zwaveOptions.logConfig.forceConsole = settings.forceConsole |
| 147 | + } |
| 148 | + |
| 149 | + if (settings.storage) { |
| 150 | + zwaveOptions.storage = zwaveOptions.storage || {} |
| 151 | + if (settings.storage.cacheDir !== undefined) |
| 152 | + zwaveOptions.storage.cacheDir = settings.storage.cacheDir |
| 153 | + if (settings.storage.throttle !== undefined) |
| 154 | + zwaveOptions.storage.throttle = settings.storage.throttle |
| 155 | + } |
| 156 | + |
| 157 | + if (settings.presets && settings.presets.length > 0) { |
| 158 | + for (const presetName of settings.presets) { |
| 159 | + const preset = |
| 160 | + driverPresets[presetName as keyof typeof driverPresets] |
| 161 | + if (preset) { |
| 162 | + Object.assign(zwaveOptions, preset) |
| 163 | + } else { |
| 164 | + logger.warn(`Unknown driver preset: ${presetName}`) |
| 165 | + } |
| 166 | + } |
| 167 | + } |
| 168 | +} |
| 169 | + |
| 170 | +/** |
| 171 | + * Merge external settings into ZwaveConfig. |
| 172 | + * This should be called once in app.ts before passing settings to ZwaveClient. |
| 173 | + */ |
| 174 | +export function mergeExternalSettings( |
| 175 | + zwaveConfig: Record<string, unknown>, |
| 176 | +): void { |
| 177 | + const settings = loadExternalSettings() |
| 178 | + if (!settings) return |
| 179 | + |
| 180 | + // Server settings |
| 181 | + if (settings.serverEnabled !== undefined) |
| 182 | + zwaveConfig.serverEnabled = settings.serverEnabled |
| 183 | + if (settings.serverPort !== undefined) |
| 184 | + zwaveConfig.serverPort = settings.serverPort |
| 185 | + if (settings.serverHost !== undefined) |
| 186 | + zwaveConfig.serverHost = settings.serverHost |
| 187 | + if (settings.serverServiceDiscoveryDisabled !== undefined) |
| 188 | + zwaveConfig.serverServiceDiscoveryDisabled = |
| 189 | + settings.serverServiceDiscoveryDisabled |
| 190 | + |
| 191 | + // Logging settings |
| 192 | + if (settings.logEnabled !== undefined) |
| 193 | + zwaveConfig.logEnabled = settings.logEnabled |
| 194 | + if (settings.logLevel !== undefined) |
| 195 | + zwaveConfig.logLevel = settings.logLevel |
| 196 | + if (settings.logToFile !== undefined) |
| 197 | + zwaveConfig.logToFile = settings.logToFile |
| 198 | + if (settings.maxFiles !== undefined) |
| 199 | + zwaveConfig.maxFiles = settings.maxFiles |
| 200 | + |
| 201 | + // RF settings |
| 202 | + if (settings.rf) { |
| 203 | + zwaveConfig.rf = zwaveConfig.rf || {} |
| 204 | + const rf = zwaveConfig.rf as Record<string, unknown> |
| 205 | + if (settings.rf.region !== undefined) rf.region = settings.rf.region |
| 206 | + if (settings.rf.autoPowerlevels !== undefined) |
| 207 | + rf.autoPowerlevels = settings.rf.autoPowerlevels |
| 208 | + } |
| 209 | + |
| 210 | + // Security keys (stored as hex strings, converted to Buffers later by ZwaveClient) |
| 211 | + if (settings.securityKeys) { |
| 212 | + zwaveConfig.securityKeys = zwaveConfig.securityKeys || {} |
| 213 | + const keys = zwaveConfig.securityKeys as Record<string, string> |
| 214 | + for (const [key, value] of Object.entries(settings.securityKeys)) { |
| 215 | + if (value) keys[key] = value |
| 216 | + } |
| 217 | + } |
| 218 | + if (settings.securityKeysLongRange) { |
| 219 | + zwaveConfig.securityKeysLongRange = |
| 220 | + zwaveConfig.securityKeysLongRange || {} |
| 221 | + const keys = zwaveConfig.securityKeysLongRange as Record<string, string> |
| 222 | + for (const [key, value] of Object.entries( |
| 223 | + settings.securityKeysLongRange, |
| 224 | + )) { |
| 225 | + if (value) keys[key] = value |
| 226 | + } |
| 227 | + } |
| 228 | + |
| 229 | + // Features |
| 230 | + if (settings.enableSoftReset !== undefined) |
| 231 | + zwaveConfig.enableSoftReset = settings.enableSoftReset |
| 232 | +} |
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