//图片工具
import 'dart:io';

import 'package:dio/dio.dart';
import 'package:flutter/material.dart';
import 'package:image_cropper/image_cropper.dart';
import 'package:image_gallery_saver/image_gallery_saver.dart';
import 'package:image_picker/image_picker.dart';
import 'package:path_provider/path_provider.dart';
import 'package:permission_handler/permission_handler.dart';

import '../../utils/ui_constant.dart';
import 'config_util.dart';
import 'encrypt_util.dart';
import 'permission_util.dart';
import 'share_utils.dart';
import 'ui_utils.dart';

class ImageUtil {
  //选择并裁剪图片
  static Future<File?> selectAndCropImage() async {
    final ImagePicker _picker = ImagePicker();
    final XFile? image = await _picker.pickImage(source: ImageSource.gallery);
    ImageCropper cropper = ImageCropper();
    File? croppedFile = await cropper.cropImage(
        cropStyle: CropStyle.circle,
        sourcePath: image!.path,
        aspectRatioPresets: [CropAspectRatioPreset.square],
        androidUiSettings: const AndroidUiSettings(
            toolbarTitle: 'Cropper',
            toolbarColor: ColorConstant.theme,
            toolbarWidgetColor: Colors.white,
            initAspectRatio: CropAspectRatioPreset.square,
            lockAspectRatio: true),
        iosUiSettings: const IOSUiSettings(
          minimumAspectRatio: 1.0,
        ));
    return croppedFile;
  }

  //保存图片
  static saveImg(String url, BuildContext context) {
    Future<Directory?> dir;
    if (Platform.isAndroid) {
      dir = getExternalStorageDirectory();
    } else {
      dir = getApplicationDocumentsDirectory();
    }
    dir.then((value) {
      if (value == null) {
        ToastUtil.toast("获取缓存目录失败", context);
        return;
      }

      String doc = value.path;
      String path = doc + "/" + EncryptUtil.MD5(url) + ".png";
      _dowloadImg(url, path, context).then((value) {
        if (value) {
          ToastUtil.toast("保存成功", context);
        }
      });
    });
  }

  ///分享图片
  ///type: 1-微信  2-qq 3-新浪
  static shareImg(String url, int type, BuildContext context) {
    getTemporaryDirectory().then((value) {
      String path = value.path + "/" + EncryptUtil.MD5(url) + ".png";
      _dowloadImg(url, path, context).then((value) {
        if (value) {
          //开始分享
          switch (type) {
            case 0:
              ShareUtil.shareImg(context, File(path), SharePlatform.all);
              break;
            case 1:
              ShareUtil.shareImg(context, File(path), SharePlatform.wx);
              break;
            case 2:
              ShareUtil.shareImg(context, File(path), SharePlatform.qq);
              break;
            case 3:
              ShareUtil.shareImg(context, File(path), SharePlatform.sina);
              break;
          }
        }
      });
    });
  }

  static Future<bool> _dowloadImg(
      String url, String path, BuildContext context) async {
    PermissionStatus status =
        await PermissionUtil.openPermission(Permission.storage, force: true);
    if (status != PermissionStatus.granted) {
      return false;
    }

    //下载图片
    Dio dio = Dio();
    //设置连接超时时间
    dio.options.connectTimeout = 20000;
    //设置数据接收超时时间
    dio.options.receiveTimeout = 20000;
    Response response;
    try {
      response = await dio.download(url, path);
      if (response.statusCode == 200) {
        await ImageGallerySaver.saveFile(path);
        return true;
      } else {
        return false;
      }
    } catch (e) {
      ToastUtil.toast("网络连接失败", context);
      return false;
    }
  }
}