traducciones

lib/modelos/palabra.dart

@@ -1,47 +1,61 @@
-import 'dart:convert';
+import 'dart:convert';
 import 'dart:math';
 import 'package:flutter/services.dart';
 import 'package:farolero/l10n/generated/app_localizations.dart';
 
-/// Categorías disponibles en el banco de palabras
+/// Categorías disponibles en el banco de palabras.
 class BancoPalabras {
   final Map<String, List<String>> categorias;
+  final Map<String, String> pistasPorCategoria;
 
-  BancoPalabras(this.categorias);
+  BancoPalabras(this.categorias, {Map<String, String>? pistasPorCategoria})
+    : pistasPorCategoria = pistasPorCategoria ?? {};
 
   static final Map<String, BancoPalabras> _instancias = {};
 
   static Future<BancoPalabras> cargar({String idioma = 'es'}) async {
     if (_instancias.containsKey(idioma)) return _instancias[idioma]!;
 
-    // Intentar cargar el banco del idioma solicitado, fallback a castellano
     String jsonStr;
     try {
-      final archivo = idioma == 'es'
+      jsonStr = await rootBundle.loadString(
+        'assets/words/palabras_$idioma.json',
+      );
+    } catch (_) {
+      try {
+        final archivoLegacy = idioma == 'es'
             ? 'assets/palabras.json'
             : 'assets/palabras_$idioma.json';
-      jsonStr = await rootBundle.loadString(archivo);
+        jsonStr = await rootBundle.loadString(archivoLegacy);
       } catch (_) {
-      // Fallback a castellano si no existe el banco para ese idioma
-      if (idioma != 'es') {
-        return cargar(idioma: 'es');
-      }
+        if (idioma != 'es') return cargar(idioma: 'es');
         rethrow;
       }
+    }
 
     final data = json.decode(jsonStr) as Map<String, dynamic>;
     final cats = data['categorias'] as Map<String, dynamic>;
     final mapa = <String, List<String>>{};
+    final pistas = <String, String>{};
+
     for (final entrada in cats.entries) {
-      mapa[entrada.key] = List<String>.from(entrada.value);
+      final valor = entrada.value;
+      if (valor is Map<String, dynamic>) {
+        mapa[entrada.key] = List<String>.from(valor['palabras'] as List);
+        final pista = valor['pista'];
+        if (pista is String && pista.isNotEmpty) pistas[entrada.key] = pista;
+      } else {
+        mapa[entrada.key] = List<String>.from(valor as List);
       }
-    _instancias[idioma] = BancoPalabras(mapa);
+    }
+
+    _instancias[idioma] = BancoPalabras(mapa, pistasPorCategoria: pistas);
     return _instancias[idioma]!;
   }
 
   List<String> get nombresCategorias => categorias.keys.toList();
 
-  /// Obtiene una palabra aleatoria de la categoría dada (o de todas si es null)
+  /// Obtiene una palabra aleatoria de la categoría dada (o de todas si es null).
   String palabraAleatoria(String? categoria) {
     final rng = Random();
     if (categoria == null || categoria == 'todas') {
@@ -52,7 +66,7 @@ class BancoPalabras {
     return lista[rng.nextInt(lista.length)];
   }
 
-  /// Devuelve la categoría a la que pertenece una palabra
+  /// Devuelve la categoría a la que pertenece una palabra.
   String? categoriaDepalabra(String palabra) {
     for (final entrada in categorias.entries) {
       if (entrada.value.contains(palabra)) return entrada.key;
@@ -60,7 +74,10 @@ class BancoPalabras {
     return null;
   }
 
-  /// Devuelve el nombre localizado de la categoría usando AppLocalizations
+  /// Devuelve la pista localizada de una categoría si el banco la trae.
+  String? pistaDeCategoria(String categoria) => pistasPorCategoria[categoria];
+
+  /// Devuelve el nombre localizado de la categoría usando AppLocalizations.
   static String nombreBonitoCategoria(String clave, [AppLocalizations? l10n]) {
     if (l10n != null) {
       final nombres = {
@@ -78,7 +95,6 @@ class BancoPalabras {
       };
       return nombres[clave] ?? clave;
     }
-    // Fallback a castellano si no hay l10n
     const nombres = {
       'todas': 'Todas',
       'animales': 'Animales',
@@ -98,12 +114,9 @@ class BancoPalabras {
 
 class EntradaPalabraTraducida {
   final String palabra;
-  final Map<String, String> traducciones;
+  final String pista;
 
-  const EntradaPalabraTraducida({
-    required this.palabra,
-    required this.traducciones,
-  });
+  const EntradaPalabraTraducida({required this.palabra, required this.pista});
 }
 
 class BancoPalabrasTraducidas {
@@ -111,32 +124,21 @@ class BancoPalabrasTraducidas {
 
   const BancoPalabrasTraducidas(this.categorias);
 
-  static BancoPalabrasTraducidas? _instancia;
+  static final Map<String, BancoPalabrasTraducidas> _instancias = {};
 
-  static Future<BancoPalabrasTraducidas> cargar() async {
-    if (_instancia != null) return _instancia!;
+  static Future<BancoPalabrasTraducidas> cargar({String idioma = 'es'}) async {
+    if (_instancias.containsKey(idioma)) return _instancias[idioma]!;
 
-    final jsonStr = await rootBundle.loadString('assets/palabras_i18n.json');
-    final data = json.decode(jsonStr) as Map<String, dynamic>;
-    final cats = data['categorias'] as Map<String, dynamic>;
+    final banco = await BancoPalabras.cargar(idioma: idioma);
     final mapa = <String, List<EntradaPalabraTraducida>>{};
-
-    for (final categoria in cats.entries) {
-      final entradas = categoria.value as List<dynamic>;
-      mapa[categoria.key] = entradas.map((entradaRaw) {
-        final entrada = entradaRaw as Map<String, dynamic>;
-        final traduccionesRaw =
-            entrada['traducciones'] as Map<String, dynamic>? ?? {};
-        return EntradaPalabraTraducida(
-          palabra: entrada['es'] as String,
-          traducciones: traduccionesRaw.map(
-            (idioma, valor) => MapEntry(idioma, valor?.toString() ?? ''),
-          )..removeWhere((_, valor) => valor.isEmpty),
-        );
-      }).toList();
+    for (final categoria in banco.categorias.entries) {
+      final pista = banco.pistaDeCategoria(categoria.key) ?? categoria.key;
+      mapa[categoria.key] = categoria.value
+          .map((palabra) => EntradaPalabraTraducida(palabra: palabra, pista: pista))
+          .toList();
     }
 
-    _instancia = BancoPalabrasTraducidas(mapa);
-    return _instancia!;
+    _instancias[idioma] = BancoPalabrasTraducidas(mapa);
+    return _instancias[idioma]!;
   }
 }

pubspec.yaml

@@ -30,7 +30,7 @@ flutter:
   uses-material-design: true
   assets:
     - assets/palabras.json
-    - assets/palabras_i18n.json
     - assets/palabras_en.json
     - assets/palabras_fr.json
+    - assets/words/
     - assets/avatars/

tools/generate_word_banks.ps1

@@ -0,0 +1,216 @@
+param(
+  [string]$OutputDir = 'assets/words',
+  [int]$BatchSize = 100
+)
+
+$ErrorActionPreference = 'Stop'
+
+$langMap = [ordered]@{
+  ar = 'ar'
+  ca = 'ca'
+  de = 'de'
+  en = 'en'
+  es = 'es'
+  eu = 'eu'
+  fr = 'fr'
+  hi = 'hi'
+  it = 'it'
+  ja = 'ja'
+  ko = 'ko'
+  nl = 'nl'
+  pl = 'pl'
+  pt = 'pt'
+  ru = 'ru'
+  tr = 'tr'
+  zh = 'zh-CN'
+  zh_TW = 'zh-TW'
+}
+
+$categoryKeyMap = [ordered]@{
+  animales = 'categoryAnimals'
+  comida = 'categoryFood'
+  paises = 'categoryCountries'
+  deportes = 'categorySports'
+  profesiones = 'categoryProfessions'
+  objetos = 'categoryObjects'
+  lugares = 'categoryPlaces'
+  peliculas = 'categoryMovies'
+  musica = 'categoryMusic'
+  tecnologia = 'categoryTechnology'
+}
+
+$contextMap = [ordered]@{
+  animales = 'animal'
+  comida = 'food'
+  paises = 'country'
+  deportes = 'sport'
+  profesiones = 'profession'
+  objetos = 'object'
+  lugares = 'place'
+  peliculas = 'movie'
+  musica = 'music'
+  tecnologia = 'technology'
+}
+
+$utf8Strict = [System.Text.UTF8Encoding]::new($false, $true)
+$utf8NoBom = [System.Text.UTF8Encoding]::new($false)
+
+function Read-Utf8Json([string]$path) {
+  $text = $utf8Strict.GetString([System.IO.File]::ReadAllBytes((Resolve-Path $path))).TrimStart([char]0xFEFF)
+  return $text | ConvertFrom-Json
+}
+
+function Write-Utf8Json([object]$obj, [string]$path) {
+  $full = Join-Path (Get-Location) $path
+  $dir = Split-Path -Parent $full
+  if ($dir -and -not (Test-Path $dir)) { New-Item -ItemType Directory -Force $dir | Out-Null }
+  [System.IO.File]::WriteAllText($full, ($obj | ConvertTo-Json -Depth 10) + "`n", $utf8NoBom)
+}
+
+function Strip-Context([string]$value) {
+  $clean = $value.Trim()
+  if ($clean -match '^\s*[^:：]{1,30}\s*[:：]\s*') {
+    return ($clean -replace '^\s*[^:：]{1,30}\s*[:：]\s*', '').Trim()
+  }
+  return $clean
+}
+
+function Translate-Batch([string[]]$terms, [string]$target) {
+  if ($terms.Count -eq 0) { return @() }
+  $numbered = New-Object System.Collections.Generic.List[string]
+  for ($i = 0; $i -lt $terms.Count; $i++) {
+    $numbered.Add("[$i] $($terms[$i])")
+  }
+  $query = [uri]::EscapeDataString(($numbered -join "`n"))
+  $url = "https://translate.googleapis.com/translate_a/single?client=gtx&sl=es&tl=$target&dt=t&q=$query"
+
+  try {
+    $response = Invoke-RestMethod -Uri $url -TimeoutSec 45
+    $translated = (($response[0] | ForEach-Object { $_[0] }) -join '')
+    $matches = [regex]::Matches(
+      $translated,
+      '(?s)\[(\d+)\]\s*(.*?)(?=\s*\[\d+\]\s*|$)'
+    )
+    if ($matches.Count -eq $terms.Count) {
+      $out = New-Object string[] $terms.Count
+      foreach ($match in $matches) {
+        $index = [int]$match.Groups[1].Value
+        if ($index -ge 0 -and $index -lt $terms.Count) {
+          $out[$index] = Strip-Context $match.Groups[2].Value
+        }
+      }
+      if (($out | Where-Object { $_ -eq $null -or $_.Trim().Length -eq 0 }).Count -eq 0) {
+        return $out
+      }
+    }
+  } catch {
+    Start-Sleep -Milliseconds 250
+  }
+
+  $out = New-Object System.Collections.Generic.List[string]
+  foreach ($term in $terms) {
+    $queryOne = [uri]::EscapeDataString($term)
+    $urlOne = "https://translate.googleapis.com/translate_a/single?client=gtx&sl=es&tl=$target&dt=t&q=$queryOne"
+    $translatedOne = $null
+    for ($attempt = 1; $attempt -le 4; $attempt++) {
+      try {
+        $responseOne = Invoke-RestMethod -Uri $urlOne -TimeoutSec 45
+        $translatedOne = (($responseOne[0] | ForEach-Object { $_[0] }) -join '')
+        break
+      } catch {
+        if ($attempt -eq 4) { throw }
+        Start-Sleep -Milliseconds (250 * $attempt)
+      }
+    }
+    $out.Add((Strip-Context $translatedOne))
+    Start-Sleep -Milliseconds 35
+  }
+  return $out.ToArray()
+}
+
+$sourceEs = Read-Utf8Json 'assets/palabras.json'
+$sourceEn = Read-Utf8Json 'assets/palabras_en.json'
+$sourceFr = Read-Utf8Json 'assets/palabras_fr.json'
+
+$arbByLang = @{}
+foreach ($lang in $langMap.Keys) {
+  $arbByLang[$lang] = Read-Utf8Json ("lib/l10n/app_{0}.arb" -f $lang)
+}
+
+function New-LanguageBank([string]$lang) {
+  $bank = [ordered]@{
+    version = 2
+    idioma = $lang
+    categorias = [ordered]@{}
+  }
+
+  foreach ($category in $categoryKeyMap.Keys) {
+    $labelKey = $categoryKeyMap[$category]
+    $words = switch ($lang) {
+      'es' { @($sourceEs.categorias.$category) }
+      'en' { @($sourceEn.categorias.$category) }
+      'fr' { @($sourceFr.categorias.$category) }
+      default { @() }
+    }
+
+    $bank.categorias[$category] = [ordered]@{
+      pista = [string]$arbByLang[$lang].$labelKey
+      palabras = @($words | ForEach-Object { [string]$_ })
+    }
+  }
+
+  return $bank
+}
+
+foreach ($lang in @('es', 'en', 'fr')) {
+  Write-Utf8Json (New-LanguageBank $lang) (Join-Path $OutputDir "palabras_$lang.json")
+}
+
+$targets = @($langMap.Keys | Where-Object { $_ -notin @('es', 'en', 'fr') })
+foreach ($lang in $targets) {
+  Write-Host "Generating $lang..."
+  $bank = New-LanguageBank $lang
+  $targetCode = $langMap[$lang]
+
+  foreach ($category in $categoryKeyMap.Keys) {
+    $spanishWords = @($sourceEs.categorias.$category)
+    $context = $contextMap[$category]
+    $translatedWords = New-Object System.Collections.Generic.List[string]
+
+    for ($offset = 0; $offset -lt $spanishWords.Count; $offset += $BatchSize) {
+      $last = [Math]::Min($offset + $BatchSize - 1, $spanishWords.Count - 1)
+      $terms = New-Object System.Collections.Generic.List[string]
+      for ($index = $offset; $index -le $last; $index++) {
+        $terms.Add("${context}: $($spanishWords[$index])")
+      }
+      $translated = @(Translate-Batch $terms.ToArray() $targetCode)
+      foreach ($word in $translated) { $translatedWords.Add($word) }
+      Start-Sleep -Milliseconds 70
+    }
+
+    $bank.categorias[$category].palabras = $translatedWords.ToArray()
+  }
+
+  Write-Utf8Json $bank (Join-Path $OutputDir "palabras_$lang.json")
+}
+
+Write-Host 'Validating UTF-8 and sample accents...'
+foreach ($lang in $langMap.Keys) {
+  $file = Join-Path $OutputDir "palabras_$lang.json"
+  $bytes = [System.IO.File]::ReadAllBytes((Resolve-Path $file))
+  $null = $utf8Strict.GetString($bytes)
+  if ($bytes.Length -ge 3 -and $bytes[0] -eq 239 -and $bytes[1] -eq 187 -and $bytes[2] -eq 191) {
+    throw "Unexpected UTF-8 BOM in $file"
+  }
+  $bank = Read-Utf8Json $file
+  foreach ($category in $categoryKeyMap.Keys) {
+    $expected = @($sourceEs.categorias.$category).Count
+    $actual = @($bank.categorias.$category.palabras).Count
+    if ($actual -ne $expected) { throw "Word count mismatch in $file / $category. Expected $expected, got $actual" }
+  }
+}
+
+$esBank = Read-Utf8Json (Join-Path $OutputDir 'palabras_es.json')
+$leon = @($esBank.categorias.animales.palabras) | Where-Object { $_ -eq 'León' } | Select-Object -First 1
+if ($leon -ne 'León') { throw 'León accent validation failed' }
+Write-Host "OK: generated split word banks in $OutputDir"