import 'dart:io';

import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:image_picker/image_picker.dart';

typedef BlockImgCallback = void Function(dynamic imgStr);

class SelectImageTool {
// 实例化ImagePicker
  final ImagePicker _picker = ImagePicker();
  ImageProvider? _imageProvider;
  XFile? pickedFile;
  XFile? cameraImages;
  // 打开相机
  Future<void> getCameraImage(BlockImgCallback callback) async {
    try {
      cameraImages = await _picker.pickImage(source: ImageSource.camera, maxWidth: 800);
      if (cameraImages != null) {
        // 获取图像地址
        _imageProvider = FileImage(File(cameraImages!.path));
        callback(_imageProvider);
      } else {
        _imageProvider = null;
      }

    } catch (e) {
      if (e is MissingPluginException) {
      //   Toast.Show('当前平台不支持！');
      } else {
      //   Toast.Show('暂未开放相机权限');
      }
    }
  }

  // 打开相册
  Future<void> getImage(BlockImgCallback callback) async {
    try {
      pickedFile = await _picker.pickImage(source: ImageSource.gallery, maxWidth: 800);
      if (pickedFile != null) {
        // 获取图像地址
        _imageProvider = FileImage(File(pickedFile!.path));
        callback(_imageProvider);
      } else {
        _imageProvider = null;
      }
    } catch (e) {
      if (e is MissingPluginException) {
        // Toast.Show('当前平台不支持！');
      } else {
        // Toast.Show('暂未开放相册权限');
      }
    }
  }
}