import 'package:flutter/material.dart';

/// Thème « flamme / chaud sombre » — anthracite + accents orange→rouge.
/// Remplace la palette Material par défaut (violet/teal).
class AppTheme {
  // Palette
  static const bg = Color(0xFF14110F); // fond anthracite
  static const surface1 = Color(0xFF1F1B18); // cartes / champs
  static const surface2 = Color(0xFF262119); // éléments surélevés
  static const flame = Color(0xFFFF7A18); // orange accent
  static const ember = Color(0xFFFF3D00); // rouge braise
  static const ink = Color(0xFFF5EFE9); // texte principal
  static const inkMuted = Color(0xFFA89F97); // texte secondaire

  static ThemeData light() => dark(); // app pensée sombre → même thème
  static ThemeData dark() {
    const scheme = ColorScheme(
      brightness: Brightness.dark,
      primary: flame,
      onPrimary: Color(0xFF230F00),
      primaryContainer: Color(0xFF3A2410),
      onPrimaryContainer: Color(0xFFFFD9B8),
      secondary: ember,
      onSecondary: Colors.white,
      secondaryContainer: Color(0xFF4A1A0A),
      onSecondaryContainer: Color(0xFFFFD5C8),
      tertiary: Color(0xFFFFB74D),
      onTertiary: Color(0xFF241400),
      error: Color(0xFFFF6B5E),
      onError: Color(0xFF3A0A05),
      surface: bg,
      onSurface: ink,
      surfaceContainerLowest: Color(0xFF0F0D0B),
      surfaceContainerLow: surface1,
      surfaceContainer: surface1,
      surfaceContainerHigh: surface2,
      surfaceContainerHighest: Color(0xFF2E2820),
      onSurfaceVariant: inkMuted,
      outline: Color(0xFF4A433D),
      outlineVariant: Color(0xFF332E29),
      inverseSurface: ink,
      onInverseSurface: bg,
      shadow: Colors.black,
      scrim: Colors.black,
    );

    return ThemeData(
      useMaterial3: true,
      colorScheme: scheme,
      scaffoldBackgroundColor: bg,
      canvasColor: bg,
      appBarTheme: const AppBarTheme(
        backgroundColor: bg,
        foregroundColor: ink,
        centerTitle: false,
        elevation: 0,
        scrolledUnderElevation: 0,
        titleTextStyle: TextStyle(
          color: ink,
          fontSize: 24,
          fontWeight: FontWeight.w800,
          letterSpacing: -0.5,
        ),
      ),
      cardTheme: CardTheme(
        color: surface1,
        clipBehavior: Clip.antiAlias,
        shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(22)),
        elevation: 0,
      ),
      tabBarTheme: const TabBarTheme(
        labelColor: flame,
        unselectedLabelColor: inkMuted,
        indicatorColor: flame,
        dividerColor: Colors.transparent,
        labelStyle: TextStyle(fontWeight: FontWeight.w700),
      ),
      filledButtonTheme: FilledButtonThemeData(
        style: FilledButton.styleFrom(
          backgroundColor: flame,
          foregroundColor: const Color(0xFF230F00),
          shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(16)),
          padding: const EdgeInsets.symmetric(horizontal: 22, vertical: 14),
          textStyle: const TextStyle(fontWeight: FontWeight.w700, fontSize: 15),
        ),
      ),
      outlinedButtonTheme: OutlinedButtonThemeData(
        style: OutlinedButton.styleFrom(
          foregroundColor: ink,
          side: const BorderSide(color: Color(0xFF4A433D)),
          shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(16)),
        ),
      ),
      floatingActionButtonTheme: const FloatingActionButtonThemeData(
        backgroundColor: flame,
        foregroundColor: Color(0xFF230F00),
      ),
      inputDecorationTheme: InputDecorationTheme(
        filled: true,
        fillColor: surface1,
        border: OutlineInputBorder(
          borderRadius: BorderRadius.circular(14),
          borderSide: BorderSide.none,
        ),
        enabledBorder: OutlineInputBorder(
          borderRadius: BorderRadius.circular(14),
          borderSide: const BorderSide(color: Color(0xFF332E29)),
        ),
        focusedBorder: OutlineInputBorder(
          borderRadius: BorderRadius.circular(14),
          borderSide: const BorderSide(color: flame, width: 2),
        ),
        labelStyle: const TextStyle(color: inkMuted),
      ),
      progressIndicatorTheme: const ProgressIndicatorThemeData(
        color: flame,
        linearTrackColor: Color(0xFF332E29),
      ),
      dividerTheme: const DividerThemeData(color: Color(0xFF332E29)),
      snackBarTheme: const SnackBarThemeData(
        backgroundColor: surface2,
        contentTextStyle: TextStyle(color: ink),
      ),
      dialogTheme: const DialogTheme(backgroundColor: surface1),
      chipTheme: const ChipThemeData(backgroundColor: surface2),
    );
  }
}