import 'package:flutter/material.dart';

class AppColors {
  // Surfaces
  static const Color background = Color(0xFF0F1117);
  static const Color surface = Color(0xFF161923);
  static const Color surfaceLight = Color(0xFF1E2130);
  static const Color surfaceBorder = Color(0xFF2A2D3A);

  // Text
  static const Color textPrimary = Color(0xFFF0F0F5);
  static const Color textSecondary = Color(0xFF9CA3AF);
  static const Color textMuted = Color(0xFF6B7280);

  // Role colors
  static const Color user = Color(0xFF3B82F6);
  static const Color userBg = Color(0xFF1E293B);
  static const Color assistant = Color(0xFF10B981);
  static const Color assistantBg = Color(0xFF0F2922);
  static const Color system = Color(0xFF6B7280);
  static const Color systemBg = Color(0xFF1F2028);
  static const Color agent = Color(0xFFA855F7);
  static const Color agentBg = Color(0xFF1E1530);
  static const Color tool = Color(0xFFF59E0B);
  static const Color toolBg = Color(0xFF271F0F);
  static const Color error = Color(0xFFEF4444);
  static const Color errorBg = Color(0xFF2D1515);

  // Chart colors
  static const List<Color> chartPalette = [
    Color(0xFF3B82F6),
    Color(0xFF10B981),
    Color(0xFFA855F7),
    Color(0xFFF59E0B),
    Color(0xFFEF4444),
    Color(0xFF06B6D4),
    Color(0xFFF97316),
    Color(0xFF8B5CF6),
    Color(0xFFEC4899),
    Color(0xFF14B8A6),
  ];

  static Color roleColor(String type) {
    switch (type) {
      case 'user':
        return user;
      case 'assistant':
        return assistant;
      case 'system':
        return system;
      case 'agent':
        return agent;
      case 'tool':
        return tool;
      default:
        return textMuted;
    }
  }

  static Color roleBgColor(String type) {
    switch (type) {
      case 'user':
        return userBg;
      case 'assistant':
        return assistantBg;
      case 'system':
        return systemBg;
      case 'agent':
        return agentBg;
      case 'tool':
        return toolBg;
      default:
        return surface;
    }
  }
}

class AppTheme {
  static ThemeData get dark {
    return ThemeData.dark().copyWith(
      scaffoldBackgroundColor: AppColors.background,
      cardColor: AppColors.surface,
      dividerColor: AppColors.surfaceBorder,
      colorScheme: const ColorScheme.dark(
        primary: AppColors.assistant,
        surface: AppColors.surface,
        error: AppColors.error,
      ),
      textTheme: ThemeData.dark().textTheme.apply(
            fontFamily: 'Inter',
            bodyColor: AppColors.textPrimary,
            displayColor: AppColors.textPrimary,
          ),
    );
  }
}