import 'dart:typed_data';

import 'package:aves/model/entry.dart';
import 'package:aves/model/filters/filters.dart';
import 'package:aves/services/image_file_service.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter/services.dart';

class AppShortcutService {
  static const platform = MethodChannel('deckers.thibault/aves/shortcut');

  // this ability will not change over the lifetime of the app
  static bool _canPin;

  static Future<bool> canPin() async {
    if (_canPin != null) {
      return SynchronousFuture(_canPin);
    }

    try {
      _canPin = await platform.invokeMethod('canPin');
      return _canPin;
    } on PlatformException catch (e) {
      debugPrint('canPin failed with code=${e.code}, exception=${e.message}, details=${e.details}}');
    }
    return false;
  }

  static Future<void> pin(String label, AvesEntry entry, Set<CollectionFilter> filters) async {
    Uint8List iconBytes;
    if (entry != null) {
      final size = entry.isVideo ? 0.0 : 256.0;
      iconBytes = await ImageFileService.getThumbnail(
        uri: entry.uri,
        mimeType: entry.mimeType,
        pageId: entry.pageId,
        rotationDegrees: entry.rotationDegrees,
        isFlipped: entry.isFlipped,
        dateModifiedSecs: entry.dateModifiedSecs,
        extent: size,
      );
    }
    try {
      await platform.invokeMethod('pin', <String, dynamic>{
        'label': label,
        'iconBytes': iconBytes,
        'filters': filters.map((filter) => filter.toJson()).toList(),
      });
    } on PlatformException catch (e) {
      debugPrint('pin failed with code=${e.code}, exception=${e.message}, details=${e.details}');
    }
  }
}