import 'package:flutter/material.dart';

import 'package:adaptive_dialog/adaptive_dialog.dart';
import 'package:flutter_gen/gen_l10n/l10n.dart';
import 'package:future_loading_dialog/future_loading_dialog.dart';
import 'package:matrix/matrix.dart';
import 'package:vrouter/vrouter.dart';

import 'package:fluffychat/widgets/permission_slider_dialog.dart';
import '../../widgets/matrix.dart';
import 'user_bottom_sheet_view.dart';

enum UserBottomSheetAction {
  report,
  mention,
  ban,
  kick,
  unban,
  permission,
  message,
  ignore,
}

class UserBottomSheet extends StatefulWidget {
  final User user;
  final Function? onMention;
  final BuildContext outerContext;

  const UserBottomSheet({
    Key? key,
    required this.user,
    required this.outerContext,
    this.onMention,
  }) : super(key: key);

  @override
  UserBottomSheetController createState() => UserBottomSheetController();
}

class UserBottomSheetController extends State<UserBottomSheet> {
  void participantAction(UserBottomSheetAction action) async {
    // ignore: prefer_function_declarations_over_variables
    final Function askConfirmation = () async => (await showOkCancelAlertDialog(
          useRootNavigator: false,
          context: context,
          title: L10n.of(context)!.areYouSure,
          okLabel: L10n.of(context)!.yes,
          cancelLabel: L10n.of(context)!.no,
        ) ==
        OkCancelResult.ok);
    switch (action) {
      case UserBottomSheetAction.report:
        final event = widget.user;
        final score = await showConfirmationDialog<int>(
            context: context,
            title: L10n.of(context)!.reportUser,
            message: L10n.of(context)!.howOffensiveIsThisContent,
            cancelLabel: L10n.of(context)!.cancel,
            okLabel: L10n.of(context)!.ok,
            actions: [
              AlertDialogAction(
                key: -100,
                label: L10n.of(context)!.extremeOffensive,
              ),
              AlertDialogAction(
                key: -50,
                label: L10n.of(context)!.offensive,
              ),
              AlertDialogAction(
                key: 0,
                label: L10n.of(context)!.inoffensive,
              ),
            ]);
        if (score == null) return;
        final reason = await showTextInputDialog(
            useRootNavigator: false,
            context: context,
            title: L10n.of(context)!.whyDoYouWantToReportThis,
            okLabel: L10n.of(context)!.ok,
            cancelLabel: L10n.of(context)!.cancel,
            textFields: [DialogTextField(hintText: L10n.of(context)!.reason)]);
        if (reason == null || reason.single.isEmpty) return;
        final result = await showFutureLoadingDialog(
          context: context,
          future: () => Matrix.of(context).client.reportContent(
                event.roomId!,
                event.eventId,
                reason: reason.single,
                score: score,
              ),
        );
        if (result.error != null) return;
        ScaffoldMessenger.of(context).showSnackBar(
            SnackBar(content: Text(L10n.of(context)!.contentHasBeenReported)));
        break;
      case UserBottomSheetAction.mention:
        Navigator.of(context, rootNavigator: false).pop();
        widget.onMention!();
        break;
      case UserBottomSheetAction.ban:
        if (await askConfirmation()) {
          await showFutureLoadingDialog(
            context: context,
            future: () => widget.user.ban(),
          );
          Navigator.of(context, rootNavigator: false).pop();
        }
        break;
      case UserBottomSheetAction.unban:
        if (await askConfirmation()) {
          await showFutureLoadingDialog(
            context: context,
            future: () => widget.user.unban(),
          );
          Navigator.of(context, rootNavigator: false).pop();
        }
        break;
      case UserBottomSheetAction.kick:
        if (await askConfirmation()) {
          await showFutureLoadingDialog(
            context: context,
            future: () => widget.user.kick(),
          );
          Navigator.of(context, rootNavigator: false).pop();
        }
        break;
      case UserBottomSheetAction.permission:
        final newPermission = await showPermissionChooser(
          context,
          currentLevel: widget.user.powerLevel,
        );
        if (newPermission != null) {
          if (newPermission == 100 && await askConfirmation() == false) break;
          await showFutureLoadingDialog(
            context: context,
            future: () => widget.user.setPower(newPermission),
          );
          Navigator.of(context, rootNavigator: false).pop();
        }
        break;
      case UserBottomSheetAction.message:
        final roomIdResult = await showFutureLoadingDialog(
          context: context,
          future: () => widget.user.startDirectChat(),
        );
        if (roomIdResult.error != null) return;
        VRouter.of(widget.outerContext)
            .toSegments(['rooms', roomIdResult.result!]);
        Navigator.of(context, rootNavigator: false).pop();
        break;
      case UserBottomSheetAction.ignore:
        if (await askConfirmation()) {
          await showFutureLoadingDialog(
              context: context,
              future: () =>
                  Matrix.of(context).client.ignoreUser(widget.user.id));
        }
    }
  }

  @override
  Widget build(BuildContext context) => UserBottomSheetView(this);
}