Phase 7 - Added Firebase layer

lib/config/app_config.dart

@@ -1,7 +1,9 @@
+import '../data/firebase/models/firebase_config.dart';
+
 /// Configuration class that holds application settings.
 /// 
 /// This class contains environment-specific configuration values
-/// such as API base URL, Immich settings, and logging settings.
+/// such as API base URL, Immich settings, logging settings, and Firebase configuration.
 class AppConfig {
   /// The base URL for API requests.
   final String apiBaseUrl;
@@ -18,6 +20,9 @@ class AppConfig {
   /// List of Nostr relay URLs for testing and production.
   final List<String> nostrRelays;
 
+  /// Firebase configuration for this environment.
+  final FirebaseConfig firebaseConfig;
+
   /// Creates an [AppConfig] instance with the provided values.
   /// 
   /// [apiBaseUrl] - The base URL for API requests.
@@ -25,18 +30,21 @@ class AppConfig {
   /// [immichBaseUrl] - Immich server base URL.
   /// [immichApiKey] - Immich API key for authentication.
   /// [nostrRelays] - List of Nostr relay URLs (e.g., ['wss://relay.example.com']).
+  /// [firebaseConfig] - Firebase configuration for this environment.
   const AppConfig({
     required this.apiBaseUrl,
     required this.enableLogging,
     required this.immichBaseUrl,
     required this.immichApiKey,
     required this.nostrRelays,
+    required this.firebaseConfig,
   });
 
   @override
   String toString() {
     return 'AppConfig(apiBaseUrl: $apiBaseUrl, enableLogging: $enableLogging, '
-        'immichBaseUrl: $immichBaseUrl, nostrRelays: ${nostrRelays.length})';
+        'immichBaseUrl: $immichBaseUrl, nostrRelays: ${nostrRelays.length}, '
+        'firebaseConfig: $firebaseConfig)';
   }
 
   @override
@@ -47,7 +55,13 @@ class AppConfig {
         other.enableLogging == enableLogging &&
         other.immichBaseUrl == immichBaseUrl &&
         other.immichApiKey == immichApiKey &&
-        other.nostrRelays.toString() == nostrRelays.toString();
+        other.nostrRelays.toString() == nostrRelays.toString() &&
+        other.firebaseConfig.enabled == firebaseConfig.enabled &&
+        other.firebaseConfig.firestoreEnabled == firebaseConfig.firestoreEnabled &&
+        other.firebaseConfig.storageEnabled == firebaseConfig.storageEnabled &&
+        other.firebaseConfig.authEnabled == firebaseConfig.authEnabled &&
+        other.firebaseConfig.messagingEnabled == firebaseConfig.messagingEnabled &&
+        other.firebaseConfig.analyticsEnabled == firebaseConfig.analyticsEnabled;
   }
 
   @override
@@ -56,6 +70,12 @@ class AppConfig {
       enableLogging.hashCode ^
       immichBaseUrl.hashCode ^
       immichApiKey.hashCode ^
-      nostrRelays.hashCode;
+      nostrRelays.hashCode ^
+      firebaseConfig.enabled.hashCode ^
+      firebaseConfig.firestoreEnabled.hashCode ^
+      firebaseConfig.storageEnabled.hashCode ^
+      firebaseConfig.authEnabled.hashCode ^
+      firebaseConfig.messagingEnabled.hashCode ^
+      firebaseConfig.analyticsEnabled.hashCode;
 }
 

lib/config/config_loader.dart

@@ -1,5 +1,6 @@
 import 'package:flutter_dotenv/flutter_dotenv.dart';
 import 'app_config.dart';
+import '../data/firebase/models/firebase_config.dart';
 
 /// Exception thrown when an invalid environment is provided to [ConfigLoader].
 class InvalidEnvironmentException implements Exception {
@@ -72,6 +73,18 @@ class ConfigLoader {
       }
     }
     
+    // Helper to create FirebaseConfig from environment variables
+    FirebaseConfig createFirebaseConfig() {
+      return FirebaseConfig(
+        enabled: getBoolEnv('FIREBASE_ENABLED', false),
+        firestoreEnabled: getBoolEnv('FIREBASE_FIRESTORE_ENABLED', true),
+        storageEnabled: getBoolEnv('FIREBASE_STORAGE_ENABLED', true),
+        authEnabled: getBoolEnv('FIREBASE_AUTH_ENABLED', true),
+        messagingEnabled: getBoolEnv('FIREBASE_MESSAGING_ENABLED', true),
+        analyticsEnabled: getBoolEnv('FIREBASE_ANALYTICS_ENABLED', true),
+      );
+    }
+
     switch (env) {
       case 'dev':
         return AppConfig(
@@ -83,6 +96,7 @@ class ConfigLoader {
             'wss://nostrum.satoshinakamoto.win',
             'wss://nos.lol',
           ]),
+          firebaseConfig: createFirebaseConfig(),
         );
       case 'prod':
         return AppConfig(
@@ -93,6 +107,7 @@ class ConfigLoader {
           nostrRelays: getListEnv('NOSTR_RELAYS_PROD', [
             'wss://relay.damus.io',
           ]),
+          firebaseConfig: createFirebaseConfig(),
         );
       default:
         throw InvalidEnvironmentException(environment);