import 'package:easy_localization/easy_localization.dart';
import 'package:flutter/material.dart';
import 'package:gap/gap.dart';
import 'package:material_symbols_icons/symbols.dart';
import 'package:provider/provider.dart';
import 'package:styled_widget/styled_widget.dart';
import 'package:surface/providers/config.dart';
import 'package:surface/providers/userinfo.dart';
import 'package:surface/providers/websocket.dart';

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

  @override
  Widget build(BuildContext context) {
    final ws = context.watch<WebSocketProvider>();
    final cfg = context.watch<ConfigProvider>();

    final marginLeft = cfg.drawerIsCollapsed ? 0.0 : cfg.drawerIsExpanded ? 304.0 : 80.0;

    return ListenableBuilder(
      listenable: ws,
      builder: (context, _) {
        final ua = context.read<UserProvider>();
        final show = (ws.isBusy || !ws.isConnected) && ua.isAuthorized;

        return IgnorePointer(
          ignoring: !show,
          child: Center(
            child: GestureDetector(
              child: Material(
                elevation: 2,
                shape: const RoundedRectangleBorder(borderRadius: BorderRadius.all(Radius.circular(16))),
                color: Theme.of(context).colorScheme.secondaryContainer,
                child: ua.isAuthorized
                    ? Row(
                        mainAxisSize: MainAxisSize.min,
                        mainAxisAlignment: MainAxisAlignment.center,
                        crossAxisAlignment: CrossAxisAlignment.center,
                        children: [
                          if (ws.isBusy)
                            Text('serverConnecting').tr().textColor(Theme.of(context).colorScheme.onSecondaryContainer)
                          else if (!ws.isConnected)
                            Text('serverDisconnected')
                                .tr()
                                .textColor(Theme.of(context).colorScheme.onSecondaryContainer)
                          else
                            Text('serverConnected').tr().textColor(Theme.of(context).colorScheme.onSecondaryContainer),
                          const Gap(8),
                          if (ws.isBusy)
                            const CircularProgressIndicator(strokeWidth: 2.5)
                                .width(12)
                                .height(12)
                                .padding(horizontal: 4, right: 4)
                          else if (!ws.isConnected)
                            const Icon(Symbols.power_off, size: 18)
                          else
                            const Icon(Symbols.power, size: 18),
                        ],
                      ).padding(horizontal: 8, vertical: 4)
                    : const SizedBox.shrink(),
              ).opacity(show ? 1 : 0, animate: true).animate(
                    const Duration(milliseconds: 300),
                    Curves.easeInOut,
                  ),
              onTap: () {
                if (!ws.isConnected && !ws.isBusy) {
                  ws.connect();
                }
              },
            ),
          ).padding(left: marginLeft),
        );
      },
    );
  }
}
