AudiOhm/frontend/lib/presentation/widgets/desktop/desktop_top_bar.dart

import 'package:flutter/material.dart';

import '../../../core/theme/colors.dart';

/// Desktop Top Bar
class DesktopTopBar extends StatelessWidget {
  const DesktopTopBar({super.key});

  @override
  Widget build(BuildContext context) {
    return Container(
      height: 60,
      padding: const EdgeInsets.symmetric(horizontal: 24),
      decoration: BoxDecoration(
        color: AppColors.surface,
        border: Border(
          bottom: BorderSide(
            color: AppColors.cyan.withOpacity(0.1),
            width: 1,
          ),
        ),
      ),
      child: Row(
        children: [
          // Search bar
          Expanded(
            child: _SearchBar(),
          ),

          const SizedBox(width: 16),

          // User profile
          // TODO: Implement user profile menu
          const _UserAvatar(),
        ],
      ),
    );
  }
}

/// Search Bar
class _SearchBar extends StatefulWidget {
  @override
  State<_SearchBar> createState() => _SearchBarState();
}

class _SearchBarState extends State<_SearchBar> {
  final _focusNode = FocusNode();
  bool _isFocused = false;

  @override
  void initState() {
    super.initState();
    _focusNode.addListener(() {
      setState(() {
        _isFocused = _focusNode.hasFocus;
      });
    });
  }

  @override
  void dispose() {
    _focusNode.dispose();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return AnimatedContainer(
      duration: const Duration(milliseconds: 200),
      decoration: BoxDecoration(
        color: AppColors.surfaceVariant,
        borderRadius: BorderRadius.circular(24),
        border: Border.all(
          color: _isFocused ? AppColors.cyan : AppColors.cyan.withOpacity(0.2),
          width: _isFocused ? 2 : 1,
        ),
        boxShadow: _isFocused
            ? [
                BoxShadow(
                  color: AppColors.cyan.withOpacity(0.3),
                  blurRadius: 20,
                  spreadRadius: 0,
                ),
              ]
            : null,
      ),
      child: TextField(
        focusNode: _focusNode,
        style: const TextStyle(
          color: AppColors.onSurface,
          fontSize: 14,
        ),
        decoration: InputDecoration(
          hintText: 'Search tracks, artists, albums...',
          hintStyle: TextStyle(
            color: AppColors.muted,
            fontSize: 14,
          ),
          prefixIcon: const Icon(
            Icons.search,
            color: AppColors.cyan,
          ),
          border: InputBorder.none,
          contentPadding: const EdgeInsets.symmetric(
            horizontal: 20,
            vertical: 12,
          ),
        ),
      ),
    );
  }
}

/// User Avatar
class _UserAvatar extends StatelessWidget {
  const _UserAvatar();

  @override
  Widget build(BuildContext context) {
    return Container(
      width: 40,
      height: 40,
      decoration: BoxDecoration(
        gradient: AppColors.primaryGradient,
        borderRadius: BorderRadius.circular(20),
        boxShadow: AppColors.cyanGlow,
      ),
      child: const Icon(
        Icons.person,
        color: AppColors.onBackground,
      ),
    );
  }
}