import 'package:flutter/material.dart';
import 'package:flutter_animate/flutter_animate.dart';
import '../../theme.dart';
import '../../widgets/mascot.dart';
import '../../widgets/s_button.dart';
import '../../model/quiz_state.dart';
import '../../router.dart';
import 's11_goal.dart';

class ConcernInsightScreen extends StatelessWidget {
  final QuizState state;
  const ConcernInsightScreen({super.key, required this.state});

  @override
  Widget build(BuildContext context) {
    final first = state.concerns.isNotEmpty ? state.concerns.first : 'skin concerns';
    final emoji = _emoji(first);
    final tip = _tip(first);

    return Scaffold(
      backgroundColor: SColors.bgSurface,
      body: SafeArea(
        child: Column(
          children: [
            Expanded(
              flex: 42,
              child: Stack(
                alignment: Alignment.center,
                children: [
                  Mascot(mood: MascotMood.analyze, size: 160)
                      .animate().fadeIn(duration: 500.ms).slideY(begin: 0.05, end: 0),
                  Positioned(
                    bottom: 20,
                    right: 40,
                    child: Container(
                      padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 6),
                      decoration: BoxDecoration(
                        color: SColors.primaryLight,
                        borderRadius: BorderRadius.circular(20),
                        border: Border.all(color: SColors.borderLight),
                      ),
                      child: Text(emoji, style: const TextStyle(fontSize: 22)),
                    ).animate().fadeIn(duration: 400.ms, delay: 700.ms)
                     .scaleXY(begin: 0.6, end: 1.0, duration: 350.ms, curve: Curves.elasticOut),
                  ),
                ],
              ),
            ),
            Expanded(
              flex: 58,
              child: Padding(
                padding: const EdgeInsets.symmetric(horizontal: 24),
                child: Column(
                  crossAxisAlignment: CrossAxisAlignment.start,
                  children: [
                    const SizedBox(height: 8),
                    _badge()
                        .animate().fadeIn(duration: 300.ms, delay: 100.ms),
                    const SizedBox(height: 14),
                    Text('I see you picked\n"$first" 👀', style: SText.headline2(SColors.textHead))
                        .animate().fadeIn(duration: 400.ms, delay: 180.ms)
                        .slideY(begin: 0.05, end: 0),
                    const SizedBox(height: 10),
                    Text(tip, style: SText.subtitle(SColors.textSub))
                        .animate().fadeIn(duration: 400.ms, delay: 260.ms),
                    const SizedBox(height: 16),
                    _concernBubbles()
                        .animate().fadeIn(duration: 400.ms, delay: 350.ms),
                    const Spacer(),
                    SButton(
                      label: "WE'VE GOT YOU",
                      onTap: () => Navigator.of(context).push(slideRoute(GoalScreen(state: state))),
                    ).animate().fadeIn(duration: 400.ms, delay: 500.ms),
                    const SizedBox(height: 20),
                  ],
                ),
              ),
            ),
          ],
        ),
      ),
    );
  }

  String _emoji(String concern) => switch (concern) {
    'Breakouts' => '🫧',
    'Dullness' => '🌤️',
    'Dryness' => '💧',
    'Fine lines' => '⏳',
    'Dark spots' => '🎯',
    'Redness' => '🌹',
    _ => '🔍',
  };

  String _tip(String concern) => switch (concern) {
    'Breakouts' => '80% of breakouts are triggered by products you\'re already using. We\'ll audit your routine and clear the way.',
    'Dullness' => 'Dullness is usually dead skin buildup. The right exfoliation schedule can reveal your glow in just 2 weeks.',
    'Dryness' => 'True dryness means your barrier is compromised. We\'ll focus on healing and long-lasting moisture — not just drinking water.',
    'Fine lines' => 'Starting prevention at any age works. Retinol, SPF, and peptides are your long-game trio.',
    'Dark spots' => 'Vitamin C in the morning + SPF every day is the combo that fades spots fastest. We\'ll build around that.',
    'Redness' => 'Redness often signals a disrupted barrier. Gentle, fragrance-free products and niacinamide will calm things down.',
    _ => 'We\'ll address each concern with targeted ingredients and a smart routine.',
  };

  Widget _badge() {
    return Container(
      padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 6),
      decoration: BoxDecoration(
        color: SColors.primaryLight,
        borderRadius: BorderRadius.circular(20),
      ),
      child: Text('Shaynee insight', style: SText.caption(SColors.primary).copyWith(fontWeight: FontWeight.w700)),
    );
  }

  Widget _concernBubbles() {
    return Wrap(
      spacing: 8,
      runSpacing: 8,
      children: state.concerns.map((c) => Container(
        padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 6),
        decoration: BoxDecoration(
          color: SColors.bgSurface,
          borderRadius: BorderRadius.circular(20),
          border: Border.all(color: SColors.primary.withAlpha(80)),
        ),
        child: Text(c, style: SText.caption(SColors.primary).copyWith(fontWeight: FontWeight.w600)),
      )).toList(),
    );
  }
}