import 'package:flutter/material.dart';
import 'package:google_fonts/google_fonts.dart';

class FeedbackScreen extends StatefulWidget {
  const FeedbackScreen({super.key});

  @override
  State<FeedbackScreen> createState() => _FeedbackScreenState();
}

class _FeedbackScreenState extends State<FeedbackScreen> {
  final TextEditingController _controller = TextEditingController();
  bool _isSubmitting = false;

  void _submit() async {
    if (_controller.text.isEmpty) return;
    setState(() => _isSubmitting = true);
    await Future.delayed(const Duration(milliseconds: 1500));
    if (!mounted) return;
    ScaffoldMessenger.of(context).showSnackBar(
      SnackBar(
        content: Row(
          children: [
            const Icon(Icons.favorite, color: Colors.white, size: 20),
            const SizedBox(width: 10),
            Text(
              "Thank you for your warmth!",
              style: GoogleFonts.quicksand(fontWeight: FontWeight.bold),
            ),
          ],
        ),
        backgroundColor: const Color(0xFFAED581),
        behavior: SnackBarBehavior.floating,
        shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(10)),
        duration: const Duration(milliseconds: 1000),
      ),
    );
    await Future.delayed(const Duration(milliseconds: 600));
    if (mounted) Navigator.pop(context);
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: const Color(0xFFFFFBF0),
      appBar: AppBar(
        title: Text(
          "Feedback",
          style: GoogleFonts.nunito(fontWeight: FontWeight.bold),
        ),
        leading: IconButton(
          icon: const Icon(Icons.arrow_back_rounded),
          onPressed: () => Navigator.pop(context),
        ),
      ),
      body: Padding(
        padding: const EdgeInsets.all(24.0),
        child: Column(
          children: [
            Container(
              padding: const EdgeInsets.all(16),
              decoration: BoxDecoration(
                color: Colors.white,
                borderRadius: BorderRadius.circular(24),
              ),
              child: TextField(
                controller: _controller,
                maxLines: 6,
                decoration: InputDecoration(
                  hintText: "Tell us what's on your mind...",
                  hintStyle: GoogleFonts.quicksand(
                    color: const Color(0xFFD7CCC8),
                  ),
                  border: InputBorder.none,
                ),
                style: GoogleFonts.quicksand(
                  color: const Color(0xFF5D4037),
                  fontSize: 16,
                ),
              ),
            ),
            const SizedBox(height: 24),
            SizedBox(
              width: double.infinity,
              height: 56,
              child: ElevatedButton(
                onPressed: _isSubmitting ? null : _submit,
                style: ElevatedButton.styleFrom(
                  backgroundColor: const Color(0xFFAED581),
                  foregroundColor: Colors.white,
                  elevation: 0,
                  shape: RoundedRectangleBorder(
                    borderRadius: BorderRadius.circular(20),
                  ),
                ),
                child: _isSubmitting
                    ? const SizedBox(
                        width: 24,
                        height: 24,
                        child: CircularProgressIndicator(
                          color: Colors.white,
                          strokeWidth: 2,
                        ),
                      )
                    : Text(
                        "Send Warmth",
                        style: GoogleFonts.nunito(
                          fontSize: 18,
                          fontWeight: FontWeight.bold,
                        ),
                      ),
              ),
            ),
          ],
        ),
      ),
    );
  }
}