import 'package:flutter/material.dart';

class AppTheme {
  static const Color primaryColor = Color(0xFF667eea);
  static const Color secondaryColor = Color(0xFF764ba2);
  static const Color accentColor = Color(0xFF4facfe);
  static const Color successColor = Color(0xFF4CAF50);
  static const Color warningColor = Color(0xFFFF9800);
  static const Color errorColor = Color(0xFFF44336);
  static const Color infoColor = Color(0xFF2196F3);
  
  static const Color backgroundLight = Color(0xFFF5F7FA);
  static const Color surfaceLight = Color(0xFFFFFFFF);
  static const Color cardLight = Color(0xFFFFFFFF);
  
  static const Color backgroundDark = Color(0xFF121212);
  static const Color surfaceDark = Color(0xFF1E1E1E);
  static const Color cardDark = Color(0xFF2D2D2D);
  
  static ThemeData lightTheme = ThemeData(
    useMaterial3: true,
    brightness: Brightness.light,
    colorScheme: ColorScheme.fromSeed(
      seedColor: primaryColor,
      brightness: Brightness.light,
    ),
    scaffoldBackgroundColor: backgroundLight,
    cardTheme: CardThemeData(
      color: cardLight,
      elevation: 2,
      shadowColor: Colors.black.withOpacity(0.1),
      shape: RoundedRectangleBorder(
        borderRadius: BorderRadius.circular(12),
      ),
    ),
    appBarTheme: const AppBarTheme(
      backgroundColor: primaryColor,
      foregroundColor: Colors.white,
      elevation: 0,
      centerTitle: true,
    ),
    elevatedButtonTheme: ElevatedButtonThemeData(
      style: ElevatedButton.styleFrom(
        backgroundColor: primaryColor,
        foregroundColor: Colors.white,
        shape: RoundedRectangleBorder(
          borderRadius: BorderRadius.circular(8),
        ),
        padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 12),
      ),
    ),
    outlinedButtonTheme: OutlinedButtonThemeData(
      style: OutlinedButton.styleFrom(
        foregroundColor: primaryColor,
        side: const BorderSide(color: primaryColor),
        shape: RoundedRectangleBorder(
          borderRadius: BorderRadius.circular(8),
        ),
        padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 12),
      ),
    ),
    textButtonTheme: TextButtonThemeData(
      style: TextButton.styleFrom(
        foregroundColor: primaryColor,
        shape: RoundedRectangleBorder(
          borderRadius: BorderRadius.circular(8),
        ),
        padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
      ),
    ),
    inputDecorationTheme: InputDecorationTheme(
      border: OutlineInputBorder(
        borderRadius: BorderRadius.circular(8),
        borderSide: BorderSide(color: Colors.grey.shade300),
      ),
      enabledBorder: OutlineInputBorder(
        borderRadius: BorderRadius.circular(8),
        borderSide: BorderSide(color: Colors.grey.shade300),
      ),
      focusedBorder: OutlineInputBorder(
        borderRadius: BorderRadius.circular(8),
        borderSide: const BorderSide(color: primaryColor, width: 2),
      ),
      errorBorder: OutlineInputBorder(
        borderRadius: BorderRadius.circular(8),
        borderSide: const BorderSide(color: errorColor),
      ),
      focusedErrorBorder: OutlineInputBorder(
        borderRadius: BorderRadius.circular(8),
        borderSide: const BorderSide(color: errorColor, width: 2),
      ),
      filled: true,
      fillColor: Colors.grey.shade50,
      contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
    ),
    chipTheme: ChipThemeData(
      backgroundColor: Colors.grey.shade100,
      selectedColor: primaryColor.withOpacity(0.2),
      labelStyle: const TextStyle(color: Colors.black87),
      shape: RoundedRectangleBorder(
        borderRadius: BorderRadius.circular(20),
      ),
    ),
  );
  
  static ThemeData darkTheme = ThemeData(
    useMaterial3: true,
    brightness: Brightness.dark,
    colorScheme: ColorScheme.fromSeed(
      seedColor: primaryColor,
      brightness: Brightness.dark,
    ),
    scaffoldBackgroundColor: backgroundDark,
    cardTheme: CardThemeData(
      color: cardDark,
      elevation: 4,
      shadowColor: Colors.black.withOpacity(0.3),
      shape: RoundedRectangleBorder(
        borderRadius: BorderRadius.circular(12),
      ),
    ),
    appBarTheme: const AppBarTheme(
      backgroundColor: surfaceDark,
      foregroundColor: Colors.white,
      elevation: 0,
      centerTitle: true,
    ),
    elevatedButtonTheme: ElevatedButtonThemeData(
      style: ElevatedButton.styleFrom(
        backgroundColor: primaryColor,
        foregroundColor: Colors.white,
        shape: RoundedRectangleBorder(
          borderRadius: BorderRadius.circular(8),
        ),
        padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 12),
      ),
    ),
    outlinedButtonTheme: OutlinedButtonThemeData(
      style: OutlinedButton.styleFrom(
        foregroundColor: primaryColor,
        side: const BorderSide(color: primaryColor),
        shape: RoundedRectangleBorder(
          borderRadius: BorderRadius.circular(8),
        ),
        padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 12),
      ),
    ),
    textButtonTheme: TextButtonThemeData(
      style: TextButton.styleFrom(
        foregroundColor: primaryColor,
        shape: RoundedRectangleBorder(
          borderRadius: BorderRadius.circular(8),
        ),
        padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
      ),
    ),
    inputDecorationTheme: InputDecorationTheme(
      border: OutlineInputBorder(
        borderRadius: BorderRadius.circular(8),
        borderSide: BorderSide(color: Colors.grey.shade600),
      ),
      enabledBorder: OutlineInputBorder(
        borderRadius: BorderRadius.circular(8),
        borderSide: BorderSide(color: Colors.grey.shade600),
      ),
      focusedBorder: OutlineInputBorder(
        borderRadius: BorderRadius.circular(8),
        borderSide: const BorderSide(color: primaryColor, width: 2),
      ),
      errorBorder: OutlineInputBorder(
        borderRadius: BorderRadius.circular(8),
        borderSide: const BorderSide(color: errorColor),
      ),
      focusedErrorBorder: OutlineInputBorder(
        borderRadius: BorderRadius.circular(8),
        borderSide: const BorderSide(color: errorColor, width: 2),
      ),
      filled: true,
      fillColor: Colors.grey.shade800,
      contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
    ),
    chipTheme: ChipThemeData(
      backgroundColor: Colors.grey.shade800,
      selectedColor: primaryColor.withOpacity(0.3),
      labelStyle: const TextStyle(color: Colors.white70),
      shape: RoundedRectangleBorder(
        borderRadius: BorderRadius.circular(20),
      ),
    ),
  );
  
  // Custom gradient decorations
  static const LinearGradient primaryGradient = LinearGradient(
    colors: [primaryColor, secondaryColor],
    begin: Alignment.topLeft,
    end: Alignment.bottomRight,
  );
  
  static const LinearGradient accentGradient = LinearGradient(
    colors: [accentColor, primaryColor],
    begin: Alignment.topLeft,
    end: Alignment.bottomRight,
  );
  
  // XP source colors
  static const Map<String, Color> xpSourceColors = {
    'coding': Color(0xFF4CAF50),
    'focused_browsing': Color(0xFF2196F3),
    'collaboration': Color(0xFFFF9800),
    'meetings': Color(0xFF9C27B0),
    'misc': Color(0xFF607D8B),
    'uncategorized': Color(0xFF795548),
    'focus_session': Color(0xFFE91E63),
    'achievement': Color(0xFFFFD700),
    'manual_boost': Color(0xFF00BCD4),
  };
  
  static Color getXPSourceColor(String source) {
    return xpSourceColors[source] ?? Colors.grey;
  }
  
  // Activity type colors
  static Color getActivityTypeColor(String type) {
    switch (type.toLowerCase()) {
      case 'coding':
        return const Color(0xFF4CAF50);
      case 'focused_browsing':
        return const Color(0xFF2196F3);
      case 'collaboration':
        return const Color(0xFFFF9800);
      case 'meetings':
        return const Color(0xFF9C27B0);
      case 'misc':
        return const Color(0xFF607D8B);
      default:
        return Colors.grey;
    }
  }
  
  // Log level colors
  static Color getLogLevelColor(String logEntry) {
    if (logEntry.contains('[ERROR]')) return errorColor;
    if (logEntry.contains('[WARN]')) return warningColor;
    if (logEntry.contains('[INFO]')) return infoColor;
    if (logEntry.contains('[DEBUG]')) return Colors.grey;
    return Colors.grey;
  }
}