apidash/lib/importer/import_dialog.dart

import 'package:apidash_design_system/apidash_design_system.dart';
import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:apidash/providers/providers.dart';
import 'package:apidash/widgets/widgets.dart';
import 'importer.dart';

void importToCollectionPane(
  BuildContext context,
  WidgetRef ref,
  ScaffoldMessengerState sm,
) {
  // TODO: The dialog must have a feature to paste contents in a text field
  // Also, a mechanism can be added where on importing a file it shows the
  // contents in the text field and then the user presses ok to add it to collection
  showImportDialog(
    context: context,
    importFormat: ref.watch(importFormatStateProvider),
    onImportFormatChange: (format) {
      if (format != null) {
        ref.read(importFormatStateProvider.notifier).state = format;
      }
    },
    onFileDropped: (file) {
      final importFormatType = ref.read(importFormatStateProvider);
      sm.hideCurrentSnackBar();
      file.readAsString().then(
        (content) {
          kImporter
              .getHttpRequestModelList(importFormatType, content)
              .then((importedRequestModels) {
            if (importedRequestModels != null) {
              if (importedRequestModels.isEmpty) {
                sm.showSnackBar(
                    getSnackBar("No requests imported", small: false));
              } else {
                for (var model in importedRequestModels.reversed) {
                  ref
                      .read(collectionStateNotifierProvider.notifier)
                      .addRequestModel(
                        model.$2,
                        name: model.$1,
                      );
                }
                sm.showSnackBar(getSnackBar(
                    "Successfully imported ${importedRequestModels.length} requests",
                    small: false));
              }
              // Solves - Do not use BuildContexts across async gaps
              if (!context.mounted) return;
              Navigator.of(context).pop();
            } else {
              var err = "Unable to parse ${file.name}";
              sm.showSnackBar(getSnackBar(err, small: false));
            }
          });
        },
        onError: (e) {
          var err = "Unable to import ${file.name}";
          sm.showSnackBar(getSnackBar(err, small: false));
        },
      );
    },
  );
}