(function (exports) {

    // 弹出选择照片方式
    function showActionSheet() {
        return new Promise(function (resolve, reject) {
            plus.nativeUI.actionSheet({
                    cancel: "取消",
                    buttons: [{
                        title: "从相册选择"
                    }, {
                        title: "拍照"
                    }]
                },
                function (event) {
                    if (event.index == 1) {
                        getGallery(resolve, reject);
                    } else if (event.index == 2) {
                        getCamera(resolve, reject);
                    }
                }
            );
        })
    };
    //获取相册
    function getGallery(resolve, reject) {
        plus.gallery.pick(function (path) { //scb：SuccessCallBack
            plus.io.resolveLocalFileSystemURL(path, function(entry) {  
                var fileUrl = entry.toLocalURL();
                resolve({file:entry,fileUrl:fileUrl})
            }, function(e) {  
                reject()
                plus.nativeUI.toast("读取拍照文件错误：" + e.message);  
            });  
        }, function (error) { //ecb：ErrorCallBack
            if (error.code == 11 && error.message == "null") {
                plus.nativeUI.toast("您尚未授权拍照权限，无法使用拍照功能。");
                reject()
            }
        });
    }

    // 调用系统摄像头
    function getCamera(resolve, reject) {
        var cmr = plus.camera.getCamera();
        cmr.captureImage(function (path) {
            plus.io.resolveLocalFileSystemURL(path, function (entry) {
                var fileUrl = entry.toLocalURL();
                resolve({file:entry,fileUrl:fileUrl})
            });
        }, function (error) {
            if (error.code == 11 && error.message == "null") {
                plus.nativeUI.toast("您尚未授权拍照权限，无法使用拍照功能。");
                reject()
            }
        }, {
            filename: "_doc/camera/",
            index: 1 //ios指定主摄像头
        });
    }


    //上传图片
    function UploadImg(url, params) {
        return new Promise(function (resolve, reject) {
            var task = plus.uploader.createUpload(httpRequest.server + url, {
                    method: "POST",
                    blocksize: 204800,
                    priority: 100
                },
                function (t, status) {
                    // 上传完成  
                    if (status == 200) {
                        resolve(t);
                    } else {
                        reject(t)
                    }
                }
            );
            task.addFile(params.file, {
                key: "file"
            });
            var oauthInfo = JSON.parse(plus.storage.getItem("oauthInfo"));
            task.addData("creator", params.creator);
            task.addData("objectId", params.objectId);
            task.addData("accessToken ", oauthInfo.accessToken);
            task.start();
        })

    }

    cameraChoose = {
        showActionSheet: showActionSheet,
        UploadImg: UploadImg
    }

    exports.cameraChoose = cameraChoose
})(window)