PiliPlus/lib/utils/extension.dart

import 'dart:io';

import 'package:PiliPlus/common/widgets/dialog/dialog.dart';
import 'package:PiliPlus/grpc/bilibili/app/im/v1.pb.dart' show ThreeDotItem;
import 'package:PiliPlus/grpc/bilibili/app/im/v1.pbenum.dart'
    show IMSettingType, ThreeDotItemType;
import 'package:PiliPlus/pages/common/common_whisper_controller.dart';
import 'package:PiliPlus/pages/contact/view.dart';
import 'package:PiliPlus/pages/whisper_settings/view.dart';
import 'package:PiliPlus/utils/app_scheme.dart';
import 'package:floating/floating.dart';
import 'package:flutter/material.dart';
import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
import 'package:get/get.dart' hide ContextExtensionss;
import 'package:material_design_icons_flutter/material_design_icons_flutter.dart';

extension ImageExtension on num {
  int? cacheSize(BuildContext context) {
    if (this == 0) {
      return null;
    }
    return (this * MediaQuery.devicePixelRatioOf(context)).round();
  }
}

extension IntExt on int? {
  int? operator +(int other) => this == null ? null : this! + other;
  int? operator -(int other) => this == null ? null : this! - other;
}

extension ScrollControllerExt on ScrollController {
  void animToTop() => animTo(0);

  void animTo(
    double offset, {
    Duration duration = const Duration(milliseconds: 500),
  }) {
    if (!hasClients) return;
    if ((offset - this.offset).abs() >= position.viewportDimension * 7) {
      jumpTo(offset);
    } else {
      animateTo(
        offset,
        duration: duration,
        curve: Curves.easeInOut,
      );
    }
  }

  void jumpToTop() {
    if (!hasClients) return;
    jumpTo(0);
  }
}

extension IterableExt<T> on Iterable<T>? {
  bool get isNullOrEmpty => this == null || this!.isEmpty;
}

extension NonNullIterableExt<T> on Iterable<T> {
  T? reduceOrNull(T Function(T value, T element) combine) {
    Iterator<T> iterator = this.iterator;
    if (!iterator.moveNext()) {
      return null;
    }
    T value = iterator.current;
    while (iterator.moveNext()) {
      value = combine(value, iterator.current);
    }
    return value;
  }
}

extension MapExt<K, V> on Map<K, V> {
  Map<RK, RV> fromCast<RK, RV>() {
    return Map<RK, RV>.from(this);
  }
}

extension ListExt<T> on List<T> {
  T? getOrNull(int index) {
    if (index < 0 || index >= length) {
      return null;
    }
    return this[index];
  }

  bool removeFirstWhere(bool Function(T) test) {
    final index = indexWhere(test);
    if (index != -1) {
      removeAt(index);
      return true;
    }
    return false;
  }

  List<R> fromCast<R>() {
    return List<R>.from(this);
  }

  T findClosestTarget(
    bool Function(T) test,
    T Function(T, T) combine,
  ) {
    return where(test).reduceOrNull(combine) ?? reduce(combine);
  }
}

final _regExp = RegExp("^(http:)?//", caseSensitive: false);

extension StringExt on String? {
  String get http2https => this?.replaceFirst(_regExp, "https://") ?? '';

  bool get isNullOrEmpty => this == null || this!.isEmpty;
}

extension ColorSchemeExt on ColorScheme {
  Color get vipColor =>
      brightness.isLight ? const Color(0xFFFF6699) : const Color(0xFFD44E7D);

  Color get freeColor =>
      brightness.isLight ? const Color(0xFFFF7F24) : const Color(0xFFD66011);

  bool get isLight => brightness.isLight;

  bool get isDark => brightness.isDark;
}

extension Unique<E, Id> on List<E> {
  List<E> unique([Id Function(E element)? id, bool inplace = true]) {
    final ids = <Id>{};
    return (inplace ? this : List<E>.from(this))
      ..retainWhere((x) => ids.add(id != null ? id(x) : x as Id));
  }
}

extension ColorExtension on Color {
  Color darken([double amount = .5]) {
    assert(amount >= 0 && amount <= 1, 'Amount must be between 0 and 1');
    return Color.lerp(this, Colors.black, amount)!;
  }
}

extension BrightnessExt on Brightness {
  Brightness get reverse => isLight ? Brightness.dark : Brightness.light;

  bool get isLight => this == Brightness.light;

  bool get isDark => this == Brightness.dark;
}

extension RationalExt on Rational {
  /// Checks whether given [Rational] instance fits into Android requirements
  /// or not.
  ///
  /// Android docs specified boundaries as inclusive.
  bool get fitsInAndroidRequirements {
    final aspectRatio = numerator / denominator;
    const min = 1 / 2.39;
    const max = 2.39;
    return (min <= aspectRatio) && (aspectRatio <= max);
  }
}

extension ThreeDotItemTypeExt on ThreeDotItemType {
  Icon get icon => switch (this) {
    ThreeDotItemType.THREE_DOT_ITEM_TYPE_MSG_SETTING => const Icon(
      Icons.settings,
      size: 20,
    ),
    ThreeDotItemType.THREE_DOT_ITEM_TYPE_READ_ALL => const Icon(
      Icons.cleaning_services,
      size: 20,
    ),
    ThreeDotItemType.THREE_DOT_ITEM_TYPE_CLEAR_LIST => const Icon(
      Icons.delete_forever_outlined,
      size: 20,
    ),
    ThreeDotItemType.THREE_DOT_ITEM_TYPE_UP_HELPER => const Icon(
      Icons.live_tv,
      size: 20,
    ),
    ThreeDotItemType.THREE_DOT_ITEM_TYPE_CONTACTS => const Icon(
      Icons.account_box_outlined,
      size: 20,
    ),
    ThreeDotItemType.THREE_DOT_ITEM_TYPE_FANS_GROUP_HELPER => const Icon(
      Icons.notifications_none,
      size: 20,
    ),
    _ => const Icon(MdiIcons.circleMedium, size: 20),
  };

  void action({
    required BuildContext context,
    required CommonWhisperController controller,
    required ThreeDotItem item,
  }) {
    switch (this) {
      case ThreeDotItemType.THREE_DOT_ITEM_TYPE_READ_ALL:
        showConfirmDialog(
          context: context,
          title: '一键已读',
          content: '是否清除全部新消息提醒？',
          onConfirm: controller.onClearUnread,
        );
      case ThreeDotItemType.THREE_DOT_ITEM_TYPE_CLEAR_LIST:
        showConfirmDialog(
          context: context,
          title: '清空列表',
          content: '清空后所有消息将被删除，无法恢复',
          onConfirm: controller.onDeleteList,
        );
      case ThreeDotItemType.THREE_DOT_ITEM_TYPE_MSG_SETTING:
        Get.to(
          const WhisperSettingsPage(
            imSettingType: IMSettingType.SETTING_TYPE_NEED_ALL,
          ),
        );
      case ThreeDotItemType.THREE_DOT_ITEM_TYPE_UP_HELPER:
        dynamic talkerId = PiliScheme.uriDigitRegExp
            .firstMatch(item.url)
            ?.group(1);
        if (talkerId != null) {
          talkerId = int.parse(talkerId);
          Get.toNamed(
            '/whisperDetail',
            arguments: {
              'talkerId': talkerId,
              'name': item.title,
              'face': switch (talkerId) {
                844424930131966 =>
                  'https://message.biliimg.com/bfs/im/489a63efadfb202366c2f88853d2217b5ddc7a13.png',
                844424930131964 =>
                  'https://i0.hdslb.com/bfs/im_new/58eda511672db078466e7ab8db22a95c1503684976.png',
                _ => item.icon,
              },
            },
          );
        }
      case ThreeDotItemType.THREE_DOT_ITEM_TYPE_CONTACTS:
        Get.to(const ContactPage(isFromSelect: false));
      default:
        SmartDialog.showToast('TODO: $name');
    }
  }
}

extension FileExt on File {
  Future<void> tryDel({bool recursive = false}) async {
    try {
      await delete(recursive: recursive);
    } catch (_) {}
  }
}

extension SizeExt on Size {
  bool get isPortrait => width < 600 || height >= width;
}

extension GetExt on GetInterface {
  S putOrFind<S>(InstanceBuilderCallback<S> dep, {String? tag}) =>
      GetInstance().putOrFind(dep, tag: tag);
}