import 'package:flutter/material.dart';
import 'package:flutter_svg/flutter_svg.dart';
import 'package:lba/gen/assets.gen.dart';
import 'package:lba/screens/auth/login.dart';

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

  @override
  State<OnboardingScreen> createState() => _OnboardingScreenState();
}

class _OnboardingScreenState extends State<OnboardingScreen> {
  int currentIndex = 0;

  final List<String> imageAssets = [
    Assets.images.ounboarding1.path,
    Assets.images.frame.path,
    Assets.images.onboarding3.path,
  ];

  final List<String> slides = [
    Assets.icons.slides1.path,
    Assets.icons.slide2.path,
    Assets.icons.slide3.path,
  ];


  void _next() {
    if (currentIndex < imageAssets.length - 1) {
      setState(() {
        currentIndex++;
      });
    } else {
      Navigator.push(context, MaterialPageRoute(builder: (context) => Login(),));
    }
  }

  void _back() {
    if (currentIndex > 0) {
      setState(() {
        currentIndex--;
      });
    }
  }

  @override
  Widget build(BuildContext context) {

    var sizeScreen = MediaQuery.of(context).size;

    return Scaffold(
      body: Column(
        children: [
          Padding(
            padding: const EdgeInsets.fromLTRB(50, 150, 50, 100),
            child: SvgPicture.asset(imageAssets[currentIndex]),
          ),
          Padding(
            padding: EdgeInsets.fromLTRB(sizeScreen.width/15, 10, sizeScreen.width/15, 5),
            child: Row(
              children: [
                Text(
                  "Proxibuy Geofencing marketing",
                  style: TextStyle(fontWeight: FontWeight.w900),
                  textDirection: TextDirection.ltr,
                ),
              ],
            ),
          ),
          Padding(
            padding: EdgeInsets.fromLTRB(sizeScreen.width/15, 10, sizeScreen.width/15, sizeScreen.height/40),
            child: Text(
              '"Join the app to discover exclusive discounts and special offers in specific areas around you for a smarter shopping experience!"',
              style: TextStyle(fontWeight: FontWeight.w500,color: const Color.fromARGB(255, 88, 88, 88)),
            ),
          ),
          const SizedBox(height: 50),
          Padding(
            padding: EdgeInsets.fromLTRB(sizeScreen.width/15, 10, sizeScreen.width/15, sizeScreen.height/40),
            child: Row(
              mainAxisAlignment: MainAxisAlignment.spaceBetween,
              children: [
                SvgPicture.asset(slides[currentIndex]),
                Row(
                  children: [
                    if (currentIndex > 0)
                      GestureDetector(
                        onTap: _back,
                        child: SvgPicture.asset(Assets.icons.arrowLeft.path),
                      ),
                    const SizedBox(width: 8),
                    GestureDetector(
                      onTap: _next,
                      child: SvgPicture.asset(Assets.icons.next.path),
                    ),
                  ],
                )
              ],
            ),
          )
        ],
      ),
    );
  }
}