import 'dart:async';
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import '../providers/auth_provider.dart';
import 'dashboard_screen.dart';
import 'welcome_screen.dart';

class SplashScreen extends StatefulWidget {
  const SplashScreen({super.key});
  @override
  State<SplashScreen> createState() => _SplashScreenState();
}

class _SplashScreenState extends State<SplashScreen> {
  @override
  void initState() {
    super.initState();
    _init();
  }

  void _init() async {
    // small delay to show logo
    await Future.delayed(const Duration(milliseconds: 900));
    final auth = Provider.of<AuthProvider>(context, listen: false);
    // ensure provider has loaded prefs
    await Future.delayed(const Duration(milliseconds: 300));
    if (auth.isLoggedIn) {
      Navigator.of(context).pushReplacement(MaterialPageRoute(builder: (_) => const DashboardScreen()));
    } else {
      Navigator.of(context).pushReplacement(MaterialPageRoute(builder: (_) => const WelcomeScreen()));
    }
  }

  @override
  Widget build(BuildContext context) {
    final size = MediaQuery.of(context).size;
    return Scaffold(
      body: Center(
        child: Column(mainAxisSize: MainAxisSize.min, children: [
          Container(
            width: size.width * 0.34,
            height: size.width * 0.34,
            decoration: BoxDecoration(shape: BoxShape.circle, color: Theme.of(context).primaryColor.withOpacity(0.14)),
            child: Center(child: Text("K", style: TextStyle(fontSize: 48, fontWeight: FontWeight.bold, color: Theme.of(context).primaryColor))),
          ),
          const SizedBox(height: 18),
          const Text("Kent Logistics", style: TextStyle(fontSize: 20, fontWeight: FontWeight.w600)),
        ]),
      ),
    );
  }
}