From a9202c6eb356580732071ff91f2d823973552f4e Mon Sep 17 00:00:00 2001
From: freetlab <freetlab@gmail.com>
Date: Thu, 21 May 2026 22:16:06 +0200
Subject: [PATCH] fix(settings): show real version and map equalizer gains

---
 lib/pantallas/pantalla_ajustes.dart | 26 ++++++++++++++++++--------
 lib/servicios/servicio_audio.dart   | 25 +++++++++++++++++++++++--
 pubspec.lock                        | 16 ++++++++++++++++
 pubspec.yaml                        |  1 +
 4 files changed, 58 insertions(+), 10 deletions(-)

diff --git a/lib/pantallas/pantalla_ajustes.dart b/lib/pantallas/pantalla_ajustes.dart
index 9c9bb6f..15526cc 100644
--- a/lib/pantallas/pantalla_ajustes.dart
+++ b/lib/pantallas/pantalla_ajustes.dart
@@ -3,6 +3,7 @@ import 'dart:io';
 
 import 'package:file_picker/file_picker.dart';
 import 'package:flutter/material.dart';
+import 'package:package_info_plus/package_info_plus.dart';
 import 'package:path_provider/path_provider.dart';
 import 'package:provider/provider.dart';
 import 'package:share_plus/share_plus.dart' show Share, XFile;
@@ -556,14 +557,23 @@ class _SeccionInfo extends StatelessWidget {
           (ctx, estado, _) => PluriGlassSurface(
             child: Column(
               children: [
-                const ListTile(
-                  contentPadding: EdgeInsets.zero,
-                  leading: PluriIcon(
-                    glyph: PluriIconGlyph.settings,
-                    variant: PluriIconVariant.filled,
-                  ),
-                  title: Text('PluriWave'),
-                  subtitle: Text('v0.3.0 — Radio mundial'),
+                FutureBuilder<PackageInfo>(
+                  future: PackageInfo.fromPlatform(),
+                  builder: (ctx, snap) {
+                    final version =
+                        snap.hasData
+                            ? 'v${snap.data!.version}+${snap.data!.buildNumber}'
+                            : 'Cargando versión...';
+                    return ListTile(
+                      contentPadding: EdgeInsets.zero,
+                      leading: const PluriIcon(
+                        glyph: PluriIconGlyph.settings,
+                        variant: PluriIconVariant.filled,
+                      ),
+                      title: const Text('PluriWave'),
+                      subtitle: Text('$version - Radio mundial'),
+                    );
+                  },
                 ),
                 FutureBuilder<int>(
                   future: estado.favoritos.obtenerTodos().then((l) => l.length),
diff --git a/lib/servicios/servicio_audio.dart b/lib/servicios/servicio_audio.dart
index 405a8ad..b19c8cb 100644
--- a/lib/servicios/servicio_audio.dart
+++ b/lib/servicios/servicio_audio.dart
@@ -374,7 +374,13 @@ class PluriWaveAudioHandler extends BaseAudioHandler with SeekHandler {
         i < params.bands.length && i < preset.bandas.length;
         i++
       ) {
-        await params.bands[i].setGain(preset.bandas[i]);
+        await params.bands[i].setGain(
+          _mapearGananciaNativa(
+            preset.bandas[i],
+            minDecibels: params.minDecibels,
+            maxDecibels: params.maxDecibels,
+          ),
+        );
       }
     } catch (_) {}
   }
@@ -390,11 +396,26 @@ class PluriWaveAudioHandler extends BaseAudioHandler with SeekHandler {
     try {
       final params = await _eq.parameters;
       if (index < params.bands.length) {
-        await params.bands[index].setGain(db);
+        await params.bands[index].setGain(
+          _mapearGananciaNativa(
+            db,
+            minDecibels: params.minDecibels,
+            maxDecibels: params.maxDecibels,
+          ),
+        );
       }
     } catch (_) {}
   }
 
+  double _mapearGananciaNativa(
+    double db, {
+    required double minDecibels,
+    required double maxDecibels,
+  }) {
+    final normalizado = ((db.clamp(-12.0, 12.0) + 12.0) / 24.0).clamp(0.0, 1.0);
+    return minDecibels + (normalizado * (maxDecibels - minDecibels));
+  }
+
   Future<void> setEcualizadorActivo(bool activo) async {
     _ecualizadorActivo = activo;
     if (!_eqDisponible) return;
diff --git a/pubspec.lock b/pubspec.lock
index 3c3b953..8fb3194 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -493,6 +493,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.0"
+  package_info_plus:
+    dependency: "direct main"
+    description:
+      name: package_info_plus
+      sha256: "16eee997588c60225bda0488b6dcfac69280a6b7a3cf02c741895dd370a02968"
+      url: "https://pub.dev"
+    source: hosted
+    version: "8.3.1"
+  package_info_plus_platform_interface:
+    dependency: transitive
+    description:
+      name: package_info_plus_platform_interface
+      sha256: "202a487f08836a592a6bd4f901ac69b3a8f146af552bbd14407b6b41e1c3f086"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.2.1"
   path:
     dependency: "direct main"
     description:
diff --git a/pubspec.yaml b/pubspec.yaml
index be78304..774a35c 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -43,6 +43,7 @@ dependencies:
   url_launcher: ^6.3.1
   geolocator: ^13.0.4
   geocoding: ^3.0.0
+  package_info_plus: ^8.3.1
   
   # Ads (activar cuando tengamos Ad Unit IDs)
   # google_mobile_ads: ^5.3.0