/// null = 未请求，1 = 已允许，0 = 拒绝|受限, 2 = 系统未开启

var isIOS

function location() {
    var result = 0;
    var cllocationManger = plus.ios.import("CLLocationManager");
    var enable = cllocationManger.locationServicesEnabled();
    var status = cllocationManger.authorizationStatus();
    if (!enable) {
        result = 2;
    } else if (status === 0) {
        result = null;
    } else if (status === 3 || status === 4) {
        result = 1;
    } else {
        result = 0;
    }
    plus.ios.deleteObject(cllocationManger);
    return result;
}

function requestIOS(permissionID) {
    return new Promise((resolve, reject) => {
        switch (permissionID) {
            case "location":
                resolve(location());
                break;
            default:
                resolve(0);
                break;
        }
    });
}

function requestAndroid(permissionID) {
    return new Promise((resolve, reject) => {
        plus.android.requestPermissions(
            [permissionID],
            function(resultObj) {
                var result = 0;
                for (var i = 0; i < resultObj.granted.length; i++) {
                    var grantedPermission = resultObj.granted[i];
                    console.log('已获取的权限：');
                    result = 1
                }
                for (var i = 0; i < resultObj.deniedPresent.length; i++) {
                    var deniedPresentPermission = resultObj.deniedPresent[i];
                    console.log('拒绝本次申请的权限：');
                    result = 0
                }
                for (var i = 0; i < resultObj.deniedAlways.length; i++) {
                    var deniedAlwaysPermission = resultObj.deniedAlways[i];
                    console.log('永久拒绝申请的权限：');
                    result = -1
                }
                resolve(result);
            },
            function(error) {
                resolve({
                    code: error.code,
                    message: error.message
                });
            }
        );
    });
}

function gotoAppPermissionSetting() {
    if (permission.isIOS) {
        var UIApplication = plus.ios.import("UIApplication");
        var application2 = UIApplication.sharedApplication();
        var NSURL2 = plus.ios.import("NSURL");
        var setting2 = NSURL2.URLWithString("app-settings:");
        application2.openURL(setting2);
        plus.ios.deleteObject(setting2);
        plus.ios.deleteObject(NSURL2);
        plus.ios.deleteObject(application2);
    } else {
        var Intent = plus.android.importClass("android.content.Intent");
        var Settings = plus.android.importClass("android.provider.Settings");
        var Uri = plus.android.importClass("android.net.Uri");
        var mainActivity = plus.android.runtimeMainActivity();
        var intent = new Intent();
        intent.setAction(Settings.ACTION_APPLICATION_DETAILS_SETTINGS);
        var uri = Uri.fromParts("package", mainActivity.getPackageName(), null);
        intent.setData(uri);
        mainActivity.startActivity(intent);
    }
}

const permission = {
    get isIOS(){
        return typeof isIOS === 'boolean' ? isIOS : (isIOS = uni.getSystemInfoSync().platform === 'ios')
    },
    requestIOS: requestIOS,
    requestAndroid: requestAndroid,
    gotoAppSetting: gotoAppPermissionSetting
}

export default permission