import 'package:flutter/material.dart';
import 'package:google_fonts/google_fonts.dart';

class TemaApp {
  static const colorFondo = Color(0xFF121212);
  static const colorSuperficie = Color(0xFF1E1E1E);
  static const colorTarjeta = Color(0xFF2A2A2A);
  static const colorAcento = Color(0xFFE53935); // Rojo impostor
  static const colorAcentoClaro = Color(0xFFFF6F61);
  static const colorNaranja = Color(0xFFFF9800);
  static const colorVerde = Color(0xFF4CAF50);
  static const colorTexto = Color(0xFFFFFFFF);
  static const colorTextoSecundario = Color(0xFFB0B0B0);

  static ThemeData obtenerTema() {
    return ThemeData(
      useMaterial3: true,
      brightness: Brightness.dark,
      scaffoldBackgroundColor: colorFondo,
      colorScheme: const ColorScheme.dark(
        primary: colorAcento,
        secondary: colorNaranja,
        surface: colorSuperficie,
        error: colorAcento,
      ),
      textTheme: GoogleFonts.poppinsTextTheme(
        const TextTheme(
          headlineLarge: TextStyle(
            color: colorTexto,
            fontWeight: FontWeight.bold,
            fontSize: 28,
          ),
          headlineMedium: TextStyle(
            color: colorTexto,
            fontWeight: FontWeight.bold,
            fontSize: 22,
          ),
          titleLarge: TextStyle(
            color: colorTexto,
            fontWeight: FontWeight.w600,
            fontSize: 18,
          ),
          titleMedium: TextStyle(
            color: colorTexto,
            fontWeight: FontWeight.w500,
            fontSize: 16,
          ),
          bodyLarge: TextStyle(color: colorTexto, fontSize: 16),
          bodyMedium: TextStyle(color: colorTextoSecundario, fontSize: 14),
        ),
      ),
      cardTheme: CardThemeData(
        color: colorTarjeta,
        elevation: 4,
        shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(16)),
      ),
      elevatedButtonTheme: ElevatedButtonThemeData(
        style: ElevatedButton.styleFrom(
          backgroundColor: colorAcento,
          foregroundColor: colorTexto,
          padding: const EdgeInsets.symmetric(horizontal: 32, vertical: 16),
          shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
          textStyle: GoogleFonts.poppins(
            fontWeight: FontWeight.w600,
            fontSize: 16,
          ),
        ),
      ),
      outlinedButtonTheme: OutlinedButtonThemeData(
        style: OutlinedButton.styleFrom(
          foregroundColor: colorTexto,
          side: const BorderSide(color: colorAcento),
          padding: const EdgeInsets.symmetric(horizontal: 32, vertical: 16),
          shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
        ),
      ),
      inputDecorationTheme: InputDecorationTheme(
        filled: true,
        fillColor: colorTarjeta,
        border: OutlineInputBorder(
          borderRadius: BorderRadius.circular(12),
          borderSide: BorderSide.none,
        ),
        focusedBorder: OutlineInputBorder(
          borderRadius: BorderRadius.circular(12),
          borderSide: const BorderSide(color: colorAcento),
        ),
        labelStyle: const TextStyle(color: colorTextoSecundario),
        hintStyle: const TextStyle(color: colorTextoSecundario),
      ),
      appBarTheme: AppBarTheme(
        backgroundColor: colorFondo,
        foregroundColor: colorTexto,
        elevation: 0,
        titleTextStyle: GoogleFonts.poppins(
          color: colorTexto,
          fontWeight: FontWeight.bold,
          fontSize: 20,
        ),
      ),
      switchTheme: SwitchThemeData(
        thumbColor: WidgetStateProperty.resolveWith((states) {
          if (states.contains(WidgetState.selected)) return colorAcento;
          return colorTextoSecundario;
        }),
        trackColor: WidgetStateProperty.resolveWith((states) {
          if (states.contains(WidgetState.selected)) {
            return colorAcento.withValues(alpha: 0.5);
          }
          return colorTarjeta;
        }),
      ),
    );
  }
}