import 'package:flutter/material.dart';
import 'package:skywood/global/const/common_color.dart';
import 'package:skywood/global/request/api_const.dart';
import 'package:skywood/main/lib_file.dart';
import 'package:skywood/pages/mine/page/sky_web_page.dart';
import 'package:skywood/utils/tools/sky_device_info.dart';
import 'package:skywood/utils/tools/widgets/sky_app_bar.dart';
import 'package:skywood/utils/tools/widgets/sky_common_widget.dart';
import 'package:url_launcher/url_launcher.dart';

class AboutUsPage extends StatelessWidget {

  const AboutUsPage({super.key});

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: SkyAppBar(
        title: 'About',
      ),
      body: SizedBox(
        width: double.infinity,
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.center,
          children: [
            const SizedBox(height: 50),
            SizedBox(
              width: 80, height: 80,
              child: HelpImg.asset(ConstImg.appLogo),
            ),
            const SizedBox(height: 10),
            SkyText(text: ApiConst.appName,
              fontSize: 16,
              fontWeight: FontWeight.bold,
              color: Colors.black,
            ),
            const SizedBox(height: 5),
            SkyText(text: 'V ${SkyDeviceInfo.instance.appVersion}',
              fontSize: 12,
              color: Colors.grey,
            ),
            const SizedBox(height: 20),
            _buildRowItem('Privacy Policy', () {
              HelpNav.to(SkyWebPage(params: WebLinkParams(
                title: 'Privacy Policy',
                urlString: ApiConst.webPrivacy,
              )));
            }),

            _buildRowItem('User Agreement', () {
              HelpNav.to(SkyWebPage(params: WebLinkParams(
                title: 'User Agreement',
                urlString: ApiConst.webAgreement,
              )));
            }),

            _buildRowItem('Visit Website', () async {
              final encodedUrl = Uri.encodeFull(ApiConst.webIndex);
              try {
                final bool launched = await launchUrl(
                  Uri.parse(encodedUrl),
                  mode: LaunchMode.externalApplication,
                );
                if (!launched) {
                  print('无法打开链接: $encodedUrl');
                }
              } catch (e) {
                print('打开链接异常: $e');
              }
            }),

          ],
        ),
      ),
    );
  }
  
  _buildRowItem(String title, Function() onTap) {
    return Container(
      height: 46,
      padding: const EdgeInsets.symmetric(horizontal: 15, vertical: 5),
      margin: const EdgeInsets.only(bottom: 10),
      child: Row(
        mainAxisAlignment: MainAxisAlignment.spaceBetween,
        children: [
          SkyText(text: title, fontSize: 14, color: Colors.black),
          Icon(Icons.arrow_forward, color: CommonColor.black, size: 18,),
        ],
      ),
    ).addInkWell(onTap: onTap);
  }

  Future<void> openUrl(String url) async {
    final encodedUrl = Uri.encodeFull(url);
    try {
      final bool launched = await launchUrl(
        Uri.parse(encodedUrl),
        mode: LaunchMode.externalApplication,
      );
      if (!launched) {
        print('无法打开链接: $encodedUrl');
      }
    } catch (e) {
      print('打开链接异常: $e');
    }
  }
}