import 'package:flutter/material.dart';
import 'package:package_info_plus/package_info_plus.dart';
import 'package:url_launcher/url_launcher_string.dart';

class AboutScreen extends StatelessWidget {
  const AboutScreen({super.key});

  @override
  Widget build(BuildContext context) {
    const denseButtonStyle =
        ButtonStyle(visualDensity: VisualDensity(vertical: -4));

    return Material(
      color: Theme.of(context).colorScheme.surface,
      child: SizedBox(
        width: double.infinity,
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            Image.asset('assets/logo.png', width: 64, height: 64),
            Text(
              'Solian',
              style: Theme.of(context).textTheme.headlineMedium,
            ),
            const Text(
              'The Solar Network',
              style: TextStyle(fontWeight: FontWeight.bold, fontSize: 16),
            ),
            const SizedBox(height: 8),
            FutureBuilder(
              future: PackageInfo.fromPlatform(),
              builder: (context, snapshot) {
                if (!snapshot.hasData) {
                  return const SizedBox();
                }

                return Text(
                  'v${snapshot.data!.version} · ${snapshot.data!.buildNumber}',
                  style: const TextStyle(fontFamily: 'monospace'),
                );
              },
            ),
            Text('Copyright © ${DateTime.now().year} Solsynth LLC'),
            const SizedBox(height: 16),
            TextButton(
              style: denseButtonStyle,
              child: const Text('More Information'),
              onPressed: () {
                launchUrlString('https://solsynth.dev/products/solar-network');
              },
            ),
            TextButton(
              style: denseButtonStyle,
              onPressed: () {
                launchUrlString('https://solsynth.dev');
              },
              child: const Text('Official Website'),
            ),
            const SizedBox(height: 16),
            const Text(
              'Open-sourced under AGPLv3',
              style: TextStyle(
                fontWeight: FontWeight.w300,
                fontSize: 12,
              ),
            ),
          ],
        ),
      ),
    );
  }
}