import 'dart:io';
import 'package:get/get.dart';
import 'package:image_picker/image_picker.dart';
import 'package:path/path.dart';
import 'package:path_provider/path_provider.dart';

class ImageController extends GetxController {
  // Rxn 表示 nullable 的响应式类型
  final Rxn<File> selectedImage = Rxn<File>();

  // 从相册选取并复制
  Future<void> pickAndCopyImage() async {
    // 调用 ImagePicker 选取
    final picked = await ImagePicker().pickImage(source: ImageSource.gallery);
    if (picked == null) return;

    final originalFile = File(picked.path);

    // 获取应用文档目录
    final appDir = await getApplicationDocumentsDirectory();
    final fileName = basename(picked.path);

    // 复制到应用目录
    final copiedFile = await originalFile.copy('${appDir.path}/$fileName');

    // 更新响应式状态
    selectedImage.value = copiedFile;
  }
}