import 'package:flutter/material.dart';
import 'colors.dart';
import 'text_styles.dart';

/// App Theme - Neon Cyberpunk
class AppTheme {
  AppTheme._();

  // Light theme (not used, keeping for completeness)
  static ThemeData get lightTheme => ThemeData(
        useMaterial3: true,
        brightness: Brightness.light,
        colorScheme: _lightColorScheme,
        textTheme: _textTheme,
        fontFamily: AppTextStyles.fontFamily,
      );

  // Dark theme (main theme)
  static ThemeData get darkTheme => ThemeData(
        useMaterial3: true,
        brightness: Brightness.dark,
        colorScheme: _darkColorScheme,
        textTheme: _textTheme,
        fontFamily: AppTextStyles.fontFamily,
        scaffoldBackgroundColor: AppColors.primary,
        appBarTheme: _appBarTheme,
        cardTheme: _cardTheme,
        elevatedButtonTheme: _elevatedButtonTheme,
        textButtonTheme: _textButtonTheme,
        outlinedButtonTheme: _outlinedButtonTheme,
        inputDecorationTheme: _inputDecorationTheme,
        floatingActionButtonTheme: _floatingActionButtonTheme,
        bottomNavigationBarTheme: _bottomNavigationBarTheme,
        navigationBarTheme: _navigationBarTheme,
        sliderTheme: _sliderTheme,
        progressIndicatorTheme: _progressIndicatorTheme,
      );

  // Color Schemes
  static const ColorScheme _lightColorScheme = ColorScheme.light(
    primary: AppColors.cyan,
    secondary: AppColors.violet,
    tertiary: AppColors.rose,
    surface: AppColors.surface,
    error: AppColors.error,
    onPrimary: AppColors.primary,
    onSecondary: AppColors.primary,
    onSurface: AppColors.onSurface,
    onError: Colors.white,
  );

  static const ColorScheme _darkColorScheme = ColorScheme.dark(
    primary: AppColors.cyan,
    secondary: AppColors.violet,
    tertiary: AppColors.rose,
    surface: AppColors.surface,
    error: AppColors.error,
    onPrimary: AppColors.primary,
    onSecondary: AppColors.primary,
    onSurface: AppColors.onSurface,
    onError: Colors.white,
  );

  // Text Theme
  static const TextTheme _textTheme = TextTheme(
    displayLarge: AppTextStyles.h1,
    displayMedium: AppTextStyles.h2,
    displaySmall: AppTextStyles.h3,
    bodyLarge: AppTextStyles.bodyLarge,
    bodyMedium: AppTextStyles.body,
    bodySmall: AppTextStyles.bodySmall,
    labelLarge: AppTextStyles.button,
    labelMedium: AppTextStyles.label,
    labelSmall: AppTextStyles.caption,
  );

  // AppBar Theme
  static const AppBarTheme _appBarTheme = AppBarTheme(
    elevation: 0,
    centerTitle: false,
    backgroundColor: Colors.transparent,
    foregroundColor: AppColors.onBackground,
    titleTextStyle: AppTextStyles.h2,
    iconTheme: IconThemeData(
      color: AppColors.onSurface,
    ),
  );

  // Card Theme
  static CardTheme _cardTheme = CardTheme(
    elevation: 0,
    shape: RoundedRectangleBorder(
      borderRadius: BorderRadius.circular(16),
      side: BorderSide(
        color: AppColors.cyan.withOpacity(0.15),
        width: 1,
      ),
    ),
    color: AppColors.surface,
    margin: const EdgeInsets.all(8),
  );

  // Elevated Button Theme
  static ElevatedButtonThemeData _elevatedButtonTheme =
      ElevatedButtonThemeData(
    style: ElevatedButton.styleFrom(
      elevation: 0,
      padding: const EdgeInsets.symmetric(horizontal: 28, vertical: 14),
      shape: RoundedRectangleBorder(
        borderRadius: BorderRadius.circular(8),
      ),
      backgroundColor: AppColors.cyan,
      foregroundColor: AppColors.primary,
      textStyle: AppTextStyles.button,
      shadowColor: AppColors.cyan.withOpacity(0.4),
    ).copyWith(
      overlayColor: MaterialStateProperty.resolveWith((states) {
        if (states.contains(MaterialState.pressed)) {
          return AppColors.cyan.withOpacity(0.2);
        }
        if (states.contains(MaterialState.hovered)) {
          return AppColors.cyan.withOpacity(0.1);
        }
        return null;
      }),
    ),
  );

  // Text Button Theme
  static TextButtonThemeData _textButtonTheme = TextButtonThemeData(
    style: TextButton.styleFrom(
      padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 14),
      shape: RoundedRectangleBorder(
        borderRadius: BorderRadius.circular(8),
      ),
      foregroundColor: AppColors.cyan,
      textStyle: AppTextStyles.button,
    ).copyWith(
      side: MaterialStateProperty.resolveWith((states) {
        if (states.contains(MaterialState.pressed)) {
          return BorderSide(color: AppColors.cyan, width: 2);
        }
        return BorderSide(
          color: AppColors.cyan.withOpacity(0.5),
          width: 1.5,
        );
      }),
    ),
  );

  // Outlined Button Theme
  static OutlinedButtonThemeData _outlinedButtonTheme =
      OutlinedButtonThemeData(
    style: OutlinedButton.styleFrom(
      padding: const EdgeInsets.symmetric(horizontal: 28, vertical: 14),
      side: const BorderSide(color: AppColors.cyan, width: 2),
      shape: RoundedRectangleBorder(
        borderRadius: BorderRadius.circular(8),
      ),
      foregroundColor: AppColors.cyan,
      textStyle: AppTextStyles.button,
    ),
  );

  // Input Decoration Theme
  static InputDecorationTheme _inputDecorationTheme =
      InputDecorationTheme(
    filled: true,
    fillColor: AppColors.surface,
    contentPadding:
        const EdgeInsets.symmetric(horizontal: 20, vertical: 16),
    border: OutlineInputBorder(
      borderRadius: BorderRadius.circular(10),
      borderSide: BorderSide(
        color: AppColors.cyan.withOpacity(0.2),
        width: 2,
      ),
    ),
    enabledBorder: OutlineInputBorder(
      borderRadius: BorderRadius.circular(10),
      borderSide: BorderSide(
        color: AppColors.cyan.withOpacity(0.2),
        width: 2,
      ),
    ),
    focusedBorder: OutlineInputBorder(
      borderRadius: BorderRadius.circular(10),
      borderSide: const BorderSide(color: AppColors.cyan, width: 2),
    ),
    errorBorder: OutlineInputBorder(
      borderRadius: BorderRadius.circular(10),
      borderSide: const BorderSide(color: AppColors.error, width: 2),
    ),
    focusedErrorBorder: OutlineInputBorder(
      borderRadius: BorderRadius.circular(10),
      borderSide: const BorderSide(color: AppColors.error, width: 2),
    ),
    hintStyle: AppTextStyles.body.copyWith(color: AppColors.muted),
  );

  // Floating Action Button Theme
  static FloatingActionButtonThemeData _floatingActionButtonTheme =
      FloatingActionButtonThemeData(
    elevation: 4,
    shape: RoundedRectangleBorder(
      borderRadius: BorderRadius.circular(16),
    ),
    backgroundColor: AppColors.cyan,
    foregroundColor: AppColors.primary,
    iconSize: 24,
  );

  // Bottom Navigation Bar Theme
  static BottomNavigationBarThemeData _bottomNavigationBarTheme =
      BottomNavigationBarThemeData(
    elevation: 8,
    backgroundColor: AppColors.surface,
    selectedItemColor: AppColors.cyan,
    unselectedItemColor: AppColors.muted,
    selectedLabelStyle: AppTextStyles.caption,
    unselectedLabelStyle: AppTextStyles.caption,
    type: BottomNavigationBarType.fixed,
  );

  // Navigation Bar Theme (Material 3)
  static NavigationBarThemeData _navigationBarTheme =
      NavigationBarThemeData(
    elevation: 0,
    backgroundColor: AppColors.surface,
    indicatorColor: AppColors.cyan.withOpacity(0.15),
    labelTextStyle: MaterialStateProperty.all(AppTextStyles.caption),
    height: 56,
  );

  // Slider Theme
  static SliderThemeData _sliderTheme = SliderThemeData(
    trackHeight: 3,
    thumbShape: const RoundSliderThumbShape(
      enabledThumbRadius: 6,
    ),
    overlayShape: const RoundSliderOverlayShape(
      overlayRadius: 16,
    ),
    activeTrackColor: AppColors.cyan,
    inactiveTrackColor: AppColors.surfaceVariant,
    thumbColor: AppColors.cyan,
    overlayColor: AppColors.cyan.withOpacity(0.2),
  );

  // Progress Indicator Theme
  static ProgressIndicatorThemeData _progressIndicatorTheme =
      ProgressIndicatorThemeData(
    color: AppColors.cyan,
    linearTrackColor: AppColors.surfaceVariant,
    circularTrackColor: AppColors.surfaceVariant,
  );
}