/*
 *
 *   Copyright 2016 RIFT.IO Inc
 *
 *   Licensed under the Apache License, Version 2.0 (the "License");
 *   you may not use this file except in compliance with the License.
 *   You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *   Unless required by applicable law or agreed to in writing, software
 *   distributed under the License is distributed on an "AS IS" BASIS,
 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *   See the License for the specific language governing permissions and
 *   limitations under the License.
 *
 */

var request = require('request');
var Promise = require('bluebird');
var rp = require('request-promise');
var utils = require('../../../framework/core/api_utils/utils.js');
var constants = require('../../../framework/core/api_utils/constants.js');
var _ = require('underscore');
var URL = require('url');
var uuid = require('uuid');
var APIVersion = '/v1';
var PackageFileHandler = require('./packageFileHandler.js');

var Composer = {};
var FileManager = {};
var DataCenters = {};
// Catalog module methods
Composer.get = function(req) {
    var api_server = req.query['api_server'];
    var results = {}
    return new Promise(function(resolve, reject) {
        Promise.all([
            rp({
                uri: utils.confdPort(api_server) + APIVersion + '/api/config/nsd-catalog/nsd?deep',
                method: 'GET',
                headers: _.extend({}, constants.HTTP_HEADERS.accept.collection, {
                    'Authorization': req.get('Authorization')
                }),
                forever: constants.FOREVER_ON,
                rejectUnauthorized: false,
                resolveWithFullResponse: true
            }),
            rp({
                uri: utils.confdPort(api_server) + APIVersion + '/api/config/vnfd-catalog/vnfd?deep',
                method: 'GET',
                headers: _.extend({}, constants.HTTP_HEADERS.accept.collection, {
                    'Authorization': req.get('Authorization')
                }),
                forever: constants.FOREVER_ON,
                rejectUnauthorized: false,
                resolveWithFullResponse: true
            }),
            rp({
                uri: utils.confdPort(api_server) + APIVersion + '/api/operational/ns-instance-opdata?deep',
                method: 'GET',
                headers: _.extend({}, constants.HTTP_HEADERS.accept.data, {
                    'Authorization': req.get('Authorization')
                }),
                forever: constants.FOREVER_ON,
                rejectUnauthorized: false,
                resolveWithFullResponse: true
            })
            // Not enabled for now
            // rp({
            //   uri: utils.confdPort(api_server) + '/api/config/pnfd-catalog/pnfd?deep',
            //   method: 'GET',
            //   headers: _.extend({},
            //     constants.HTTP_HEADERS.accept.collection,
            //     {
            //       'Authorization': req.get('Authorization')
            //     }),
            //   forever: constants.FOREVER_ON,
            // rejectUnauthorized: false,
            //   resolveWithFullResponse: true
            // })
        ]).then(function(result) {
            var response = [{
                "id": "GUID-1",
                "name": "RIFT.ware™ NS Descriptors Catalog",
                "short-name": "rift.ware-nsd-cat",
                "description": "RIFT.ware™, an open source NFV development and deployment software platform that makes it simple to create, deploy and manage hyper-scale Virtual network functions and applications.",
                "vendor": "RIFT.io",
                "version": "",
                "created-on": "",
                "type": "nsd",
                "meta": {
                    "icon-svg": "data:image/svg+xml,%3C%3Fxml%20version%3D%221.0%22%20encoding%3D%22iso-8859-1%22%3F%3E%0A%3C!--%20Generator%3A%20Adobe%20Illustrator%2018.0.0%2C%20SVG%20Export%20Plug-In%20.%20SVG%20Version%3A%206.00%20Build%200)%20%20--%3E%0A%3C!DOCTYPE%20svg%20PUBLIC%20%22-%2F%2FW3C%2F%2FDTD%20SVG%201.1%2F%2FEN%22%20%22http%3A%2F%2Fwww.w3.org%2FGraphics%2FSVG%2F1.1%2FDTD%2Fsvg11.dtd%22%3E%0A%3Csvg%20version%3D%221.1%22%20id%3D%22connection-icon-1%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20xmlns%3Axlink%3D%22http%3A%2F%2Fwww.w3.org%2F1999%2Fxlink%22%20x%3D%220px%22%20y%3D%220px%22%0A%09%20viewBox%3D%220%200%2050%2050%22%20style%3D%22enable-background%3Anew%200%200%2050%2050%3B%22%20xml%3Aspace%3D%22preserve%22%3E%0A%09%3Cpath%20d%3D%22M15%2030c-2.8%200-5-2.2-5-5s2.2-5%205-5%205%202.2%205%205-2.2%205-5%205zm0-8c-1.7%200-3%201.3-3%203s1.3%203%203%203%203-1.3%203-3-1.3-3-3-3z%22%2F%3E%3Cpath%20d%3D%22M35%2020c-2.8%200-5-2.2-5-5s2.2-5%205-5%205%202.2%205%205-2.2%205-5%205zm0-8c-1.7%200-3%201.3-3%203s1.3%203%203%203%203-1.3%203-3-1.3-3-3-3z%22%2F%3E%3Cpath%20d%3D%22M35%2040c-2.8%200-5-2.2-5-5s2.2-5%205-5%205%202.2%205%205-2.2%205-5%205zm0-8c-1.7%200-3%201.3-3%203s1.3%203%203%203%203-1.3%203-3-1.3-3-3-3z%22%2F%3E%3Cpath%20d%3D%22M19.007%2025.885l12.88%206.44-.895%201.788-12.88-6.44z%22%2F%3E%3Cpath%20d%3D%22M30.993%2015.885l.894%201.79-12.88%206.438-.894-1.79z%22%2F%3E%3C%2Fsvg%3E"
                },
                "descriptors": []
            }, {
                "id": "GUID-2",
                "name": "RIFT.ware™ VNF Descriptors Catalog",
                "short-name": "rift.ware-vnfd-cat",
                "description": "RIFT.ware™, an open source NFV development and deployment software platform that makes it simple to create, deploy and manage hyper-scale Virtual network functions and applications.",
                "vendor": "RIFT.io",
                "version": "",
                "created-on": "",
                "type": "vnfd",
                "meta": {
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                },
                "descriptors": []
            }, {
                "id": "GUID-3",
                "name": "RIFT.ware™ PNF Descriptors Catalog",
                "short-name": "rift.ware-pnfd-cat",
                "description": "RIFT.ware™, an open source NFV development and deployment software platform that makes it simple to create, deploy and manage hyper-scale Virtual network functions and applications.",
                "vendor": "RIFT.io",
                "version": "",
                "created-on": "",
                "type": "pnfd",
                "meta": {
                    "icon-svg": "data:image/svg+xml,<?xml version=\"1.0\" encoding=\"utf-8\"?> <!-- Generator: Adobe Illustrator 16.0.0, SVG Export Plug-In . SVG Version: 6.00 Build 0) --> <!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\" \"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\"> <svg version=\"1.1\" id=\"Layer_4\" xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\" x=\"0px\" y=\"0px\" width=\"100px\" height=\"100px\" viewBox=\"0 0 100 100\" enable-background=\"new 0 0 100 100\" xml:space=\"preserve\"> <path d=\"M86.334,47.444V35.759H13.666v11.686h3.561v5.111h-3.561v11.686h72.668V52.556h-4.108v-5.111H86.334z M26.628,59.454h-5.051 v-4.941h5.051V59.454z M26.628,52.404h-5.051v-4.941h5.051V52.404z M26.628,45.486h-5.051v-4.941h5.051V45.486z M34.094,59.454 h-5.051v-4.941h5.051V59.454z M34.094,52.404h-5.051v-4.941h5.051V52.404z M34.094,45.486h-5.051v-4.941h5.051V45.486z M41.452,59.454h-5.051v-4.941h5.051V59.454z M41.452,52.404h-5.051v-4.941h5.051V52.404z M41.452,45.486h-5.051v-4.941h5.051 V45.486z M48.733,59.454h-5.051v-4.941h5.051V59.454z M48.733,52.404h-5.051v-4.941h5.051V52.404z M48.733,45.486h-5.051v-4.941 h5.051V45.486z M56.2,59.454h-5.051v-4.941H56.2V59.454z M56.2,52.404h-5.051v-4.941H56.2V52.404z M56.2,45.486h-5.051v-4.941H56.2 V45.486z M63.558,59.454h-5.05v-4.941h5.05V59.454z M63.558,52.404h-5.05v-4.941h5.05V52.404z M63.558,45.486h-5.05v-4.941h5.05 V45.486z M74.858,59.312h-6.521v-3.013h6.521V59.312z M71.572,50.854c-2.875,0-5.204-2.33-5.204-5.203s2.329-5.203,5.204-5.203 s5.204,2.33,5.204,5.203S74.446,50.854,71.572,50.854z M74.858,45.618c0,1.801-1.46,3.261-3.261,3.261 c-1.8,0-3.261-1.46-3.261-3.261s1.46-3.26,3.261-3.26C73.398,42.358,74.858,43.817,74.858,45.618z\"/> </svg>"
                },
                "descriptors": []
            }];
            if (result[0].body) {
                response[0].descriptors = JSON.parse(result[0].body).collection['nsd:nsd'];
                if (result[2].body) {
                    var data = JSON.parse(result[2].body);
                    if (data && data["nsr:ns-instance-opdata"] && data["nsr:ns-instance-opdata"]["rw-nsr:nsd-ref-count"]) {
                        var nsdRefCountCollection = data["nsr:ns-instance-opdata"]["rw-nsr:nsd-ref-count"];
                        response[0].descriptors.map(function(nsd) {
                            if (!nsd["meta"]) {
                                nsd["meta"] = {};
                            }
                            if (typeof nsd['meta'] == 'string') {
                                nsd['meta'] = JSON.parse(nsd['meta']);
                            }
                            nsd["meta"]["instance-ref-count"] = _.findWhere(nsdRefCountCollection, {
                                "nsd-id-ref": nsd.id
                            })["instance-ref-count"];
                        });
                    }
                }
            };
            if (result[1].body) {
                response[1].descriptors = JSON.parse(result[1].body).collection['vnfd:vnfd'];
            };
            // if (result[2].body) {
            //   response[2].descriptors = JSON.parse(result[2].body).collection['pnfd:pnfd'];
            // };
            resolve({
                statusCode: response.statusCode || 200,
                data: JSON.stringify(response)
            });
        }).catch(function(error) {
            // Todo: Need better logic than all or nothing.
            // Right now even if one of the southbound APIs fails - all fail
            var res = {};
            console.log('Problem with Composer.get', error);
            res.statusCode = error.statusCode || 500;
            res.errorMessage = {
                error: 'Failed to get catalogs' + error
            };
            reject(res);
        });
    });
};
Composer.delete = function(req) {
    var api_server = req.query['api_server'];
    var catalogType = req.params.catalogType;
    var id = req.params.id;
    console.log('Deleting', catalogType, id, 'from', api_server);
    return new Promise(function(resolve, reject) {
        request({
            uri: utils.confdPort(api_server) + APIVersion + '/api/config/' + catalogType + '-catalog/' + catalogType + '/' + id,
            method: 'DELETE',
            headers: _.extend({}, constants.HTTP_HEADERS.accept.data, {
                'Authorization': req.get('Authorization')
            }),
            forever: constants.FOREVER_ON,
            rejectUnauthorized: false,
        }, function(error, response, body) {
            if (utils.validateResponse('Composer.delete', error, response, body, resolve, reject)) {
                resolve({
                    statusCode: response.statusCode
                });
            }
        });
    });
};
Composer.getVNFD = function(req) {
    var api_server = req.query['api_server'];
    var vnfdID = req.body.data;
    var authorization = req.get('Authorization');
    var VNFDs = [];
    if (typeof(vnfdID) == "object" && vnfdID.constructor.name == "Array") {
        vnfdID.map(function(id) {
            VNFDs.push(requestVNFD(id));
        });
    } else {
        VNFDs.push(requestVNFD(vnfdID));
    }
    return new Promise(function(resolve, reject) {
        Promise.all(VNFDs).then(function(data) {
            resolve(data)
        }).catch(function(error) {
            // Todo: Need better logic than all or nothing.
            // Right now even if one of the southbound APIs fails - all fail
            var res = {};
            console.log('Problem with Composer.getVNFD', error);
            res.statusCode = 404;
            res.errorMessage = {
                error: 'Failed to get VNFDs' + error
            };
            reject(res);
        });
    });

    function requestVNFD(id) {
        return new Promise(function(resolve, reject) {
            var url = utils.confdPort(api_server) + APIVersion + '/api/config/vnfd-catalog/vnfd' + (id ? '/' + id : '') + '?deep';
            request({
                uri: url,
                method: 'GET',
                headers: _.extend({}, constants.HTTP_HEADERS.accept.data, {
                    'Authorization': authorization
                }),
                forever: constants.FOREVER_ON,
                rejectUnauthorized: false,
            }, function(error, response, body) {
                if (utils.validateResponse('Composer.create', error, response, body, resolve, reject)) {
                    var data;
                    //Is this still needed?
                    try {
                        data = JSON.parse(response.body)
                    } catch (e) {
                        reject({
                            statusCode: response ? response.statusCode : 400,
                            errorMessage: 'Issue parsing VNFD ' + id + 'from ' + utils.confdPort(api_server) + '/api/config/vnfd-catalog/vnfd/' + id + '?deep'
                        });
                    }
                    resolve(data);
                }
            });
        });
    }
};
Composer.create = function(req) {
    var api_server = req.query['api_server'];
    var catalogType = req.params.catalogType;
    var data = req.body;
    console.log('Creating', catalogType, 'on', api_server);
    var jsonData = {};
    jsonData[catalogType] = [];
    jsonData[catalogType].push(data);
    return new Promise(function(resolve, reject) {
        var requestHeaders = {};
        _.extend(requestHeaders, constants.HTTP_HEADERS.accept.data, constants.HTTP_HEADERS.content_type.data, {
            'Authorization': req.get('Authorization')
        });
        request({
            uri: utils.confdPort(api_server) + '/api/config/' + catalogType + '-catalog',
            method: 'POST',
            headers: requestHeaders,
            forever: constants.FOREVER_ON,
            rejectUnauthorized: false,
            json: jsonData
        }, function(error, response, body) {
            if (utils.validateResponse('Composer.create', error, response, body, resolve, reject)) {
                resolve({
                    statusCode: response.statusCode
                });
            }
        });
    });
};
Composer.updateSave = function(req) {
    var api_server = req.query['api_server'];
    var catalogType = req.params.catalogType;
    var id = req.params.id;
    var data = req.body;
    console.log('Updating', catalogType, 'id', id, 'on', api_server);
    var jsonData = {};
    jsonData[catalogType] = {};
    jsonData[catalogType] = data;
    return new Promise(function(resolve, reject) {
        var requestHeaders = {};
        _.extend(requestHeaders, constants.HTTP_HEADERS.accept.data, constants.HTTP_HEADERS.content_type.data, {
            'Authorization': req.get('Authorization')
        });
        request({
            uri: utils.confdPort(api_server) + APIVersion + '/api/config/' + catalogType + '-catalog' + '/' + catalogType + '/' + id,
            method: 'PUT',
            headers: requestHeaders,
            forever: constants.FOREVER_ON,
            rejectUnauthorized: false,
            json: jsonData
        }, function(error, response, body) {
            if (utils.validateResponse('Composer.update', error, response, body, resolve, reject)) {
                resolve({
                    statusCode: response.statusCode
                });
            }
        });
    });
}

Composer.update = function(req) {
    console.log(' Updating file', req.file.originalname, 'as', req.file.filename);
    var api_server = req.query['api_server'];
    // dev_download_server is for testing purposes.
    // It is the direct IP address of the Node server where the
    // package will be hosted.
    var download_host = req.query['dev_download_server'];

    if (!download_host) {
        download_host = req.protocol + '://' + req.get('host');//api_server + ':' + utils.getPortForProtocol(req.protocol);
    }
    var input = {
        'external-url': download_host + '/composer/update/' + req.file.filename,
        'package-type': 'VNFD',
        'package-id': uuid()
    }
    return new Promise(function(resolve, reject) {
        Promise.all([
            rp({
                uri: utils.confdPort(api_server) + '/api/operations/package-update',
                method: 'POST',
                headers: _.extend({}, constants.HTTP_HEADERS.accept.collection, {
                    'Authorization': req.get('Authorization')
                }),
                forever: constants.FOREVER_ON,
                rejectUnauthorized: false,
                resolveWithFullResponse: true,
                json: true,
                body: {
                    input: input
                }
            })
        ]).then(function(result) {
            var data = {};
            data['transaction_id'] = result[0].body['output']['transaction-id'];

            // Add a status checker on the transaction and then to delete the file later
            PackageFileHandler.checkCreatePackageStatusAndHandleFile(req, data['transaction_id'], true);

            // Return status to composer UI to update the status.
            resolve({
                statusCode: constants.HTTP_RESPONSE_CODES.SUCCESS.OK,
                data: data
            });
        }).catch(function(error) {
            var res = {};
            console.log('Problem with Composer.upload', error);
            res.statusCode = error.statusCode || 500;
            res.errorMessage = {
                error: 'Failed to upload package ' + req.file.originalname + '. Error: ' + error
            };
            reject(res);
        });
    });
};

Composer.upload = function(req) {
    console.log(' Uploading file', req.file.originalname, 'as', req.file.filename);
    var api_server = req.query['api_server'];
    // dev_download_server is for testing purposes.
    // It is the direct IP address of the Node server where the
    // package will be hosted.
    var download_host = req.query['dev_download_server'];

    if (!download_host) {
        download_host = req.protocol + '://' + req.get('host');//req.api_server + ':' + utils.getPortForProtocol(req.protocol);
    }

    return new Promise(function(resolve, reject) {
        Promise.all([
            rp({
                uri: utils.confdPort(api_server) + '/api/operations/package-create',
                method: 'POST',
                headers: _.extend({}, constants.HTTP_HEADERS.accept.collection, {
                    'Authorization': req.get('Authorization')
                }),
                forever: constants.FOREVER_ON,
                rejectUnauthorized: false,
                resolveWithFullResponse: true,
                json: true,
                body: {
                    input: {
                        'external-url': download_host + '/composer/upload/' + req.file.filename,
                        'package-type': 'VNFD',
                        'package-id': uuid()
                    }
                }
            })
        ]).then(function(result) {
            var data = {};
            data['transaction_id'] = result[0].body['output']['transaction-id'];

            // Add a status checker on the transaction and then to delete the file later
            PackageFileHandler.checkCreatePackageStatusAndHandleFile(req, data['transaction_id']);

            // Return status to composer UI to update the status.
            resolve({
                statusCode: constants.HTTP_RESPONSE_CODES.SUCCESS.OK,
                data: data
            });
        }).catch(function(error) {
            var res = {};
            console.log('Problem with Composer.upload', error);
            res.statusCode = error.statusCode || 500;
            res.errorMessage = {
                error: 'Failed to upload package ' + req.file.originalname + '. Error: ' + error
            };
            reject(res);
        });
    });
};



Composer.addFile = function(req) {
    console.log(' Uploading file', req.file.originalname, 'as', req.file.filename);
    var api_server = req.query['api_server'];
    var download_host = req.query['dev_download_server'];
    var package_id = req.query['package_id'];
    var package_type = req.query['package_type'].toUpperCase();
    var package_path = req.query['package_path'];
    if (!download_host) {
        download_host = req.protocol + '://' + req.get('host');//api_server + ':' + utils.getPortForProtocol(req.protocol);
    }
    var input = {
        'external-url': download_host + '/composer/upload/' + req.query['package_id'] + '/' + req.file.filename,
        'package-type': package_type,
        'package-id': package_id,
        'package-path': package_path + '/' + req.file.filename
    }
    return new Promise(function(resolve, reject) {
        Promise.all([
            rp({
                uri: utils.confdPort(api_server) + '/api/operations/package-file-add',
                method: 'POST',
                headers: _.extend({}, constants.HTTP_HEADERS.accept.collection, {
                    'Authorization': req.get('Authorization')
                }),
                forever: constants.FOREVER_ON,
                rejectUnauthorized: false,
                resolveWithFullResponse: true,
                json: true,
                body: {
                    input: input
                }
            })
        ]).then(function(result) {
            var data = {};
            data['transaction_id'] = result[0].body['output']['task-id'];
            resolve({
                statusCode: constants.HTTP_RESPONSE_CODES.SUCCESS.OK,
                data: data
            });
        }).catch(function(error) {
            var res = {};
            console.log('Problem with Composer.upload', error);
            res.statusCode = error.statusCode || 500;
            res.errorMessage = {
                error: 'Failed to upload package ' + req.file.originalname + '. Error: ' + error
            };
            reject(res);
        });
    });
}

Composer.exportPackage = function(req) {
    // /api/operations/package-export
    var api_server = req.query['api_server'];
    return new Promise(function(resolve, reject) {
        Promise.all([
            rp({
                uri: utils.confdPort(api_server) + '/api/operations/package-export',
                method: 'POST',
                headers: _.extend({}, constants.HTTP_HEADERS.accept.collection, {
                    'Authorization': req.get('Authorization')
                }),
                forever: constants.FOREVER_ON,
                rejectUnauthorized: false,
                resolveWithFullResponse: true,
                json: true,
                body: { "input": req.body}
            })
        ]).then(function(result) {
            var data = {};
            resolve({
                statusCode: constants.HTTP_RESPONSE_CODES.SUCCESS.OK,
                data: result[0].body
            });
        }).catch(function(error) {
            var res = {};
            console.log('Problem with Composer.exportPackage', error);
            res.statusCode = error.statusCode || 500;
            res.errorMessage = {
                error: error
            };
            reject(res);
        });
    });
}

FileManager.get = function(req) {
    var api_server = req.query['api_server'];
    var type = req.query['package_type'] && req.query['package_type'].toUpperCase();
    var id = req.query['package_id'];
    var downloadUrl = req.query['url'];
    var path = req.query['package_path'];
    var payload = {
        "input": {
            "package-type": type,
            "package-id": id
        }
    }
    if(req.method == 'GET') {
        if(downloadUrl && path) {
            payload.input['external-url'] = downloadUrl;
            payload.input['package-path'] = path;
            return download(payload);
        } else {
            return list(payload);
        }
    }
    if(req.method == 'DELETE') {
        payload.input['package-path'] = path;
        return deleteFile(payload)
    }

    function deleteFile(payload) {
        return new Promise(function(resolve, reject) {
            rp({
                uri: utils.confdPort(api_server) + '/api/operations/rw-pkg-mgmt:package-file-delete',
                method: 'POST',
                headers: _.extend({}, constants.HTTP_HEADERS.accept.collection, {
                    'Authorization': req.get('Authorization')
                }),
                json: payload,
                forever: constants.FOREVER_ON,
                rejectUnauthorized: false,
                resolveWithFullResponse: true
            }).then(function(data) {
                        if (utils.validateResponse('FileManager.delete', data.error, data, data.body, resolve, reject)) {
                            resolve({
                                statusCode: data.statusCode,
                                data: data.body
                            });
                        }
                    })
        })
    }
    function download(payload) {
        return new Promise(function(resolve, reject) {
            rp({
                uri: utils.confdPort(api_server) + '/api/operations/rw-pkg-mgmt:package-file-add',
                method: 'POST',
                headers: _.extend({}, constants.HTTP_HEADERS.accept.collection, {
                    'Authorization': req.get('Authorization')
                }),
                json: payload,
                forever: constants.FOREVER_ON,
                rejectUnauthorized: false,
                resolveWithFullResponse: true
            }).then(function(data) {
                        if (utils.validateResponse('FileManager.get', data.error, data, data.body, resolve, reject)) {
                            resolve({
                                statusCode: data.statusCode,
                                data: data.body
                            });
                        }
                    })
        })
    }
    function list(payload) {
        return new Promise(function(resolve, reject) {
            rp({
                uri: utils.confdPort(api_server) + '/api/operations/get-package-endpoint',
                method: 'POST',
                headers: _.extend({}, constants.HTTP_HEADERS.accept.collection, {
                    'Authorization': req.get('Authorization')
                }),
                json: payload,
                forever: constants.FOREVER_ON,
                rejectUnauthorized: false,
                resolveWithFullResponse: true
            }).then(function(data) {
                if (utils.validateResponse('FileManager.get', data.error, data, data.body, resolve, reject)) {
                    var endpoint = null;
                    var parsedEndpoint = null;
                    try {
                        endpoint = data.body.output.endpoint
                    } catch(e) {
                        console.log('Something went wrong with the FileManager.get data that was returned');
                        reject({});
                    }
                    parsedEndpoint = URL.parse(endpoint);
                    rp({
                        uri: api_server + ':' + parsedEndpoint.port + parsedEndpoint.path,
                        method: 'GET',
                        headers: _.extend({}, constants.HTTP_HEADERS.accept.collection, {
                            'Authorization': req.get('Authorization')
                        }),
                        forever: constants.FOREVER_ON,
                        rejectUnauthorized: false,
                        resolveWithFullResponse: true
                    }).then(function(data) {
                        if (utils.validateResponse('FileManager.get', data.error, data, data.body, resolve, reject)) {
                            resolve({
                                statusCode: data.statusCode,
                                data: data.body
                            });
                        }
                    }).catch(function(err) {
                        console.log('Failed to retrieve FileManager.list')
                        resolve(err);
                    })
                }
            })
        })
    }
}
FileManager.job = function(req) {
    var api_server = req.query["api_server"];
    var uri = utils.confdPort(api_server);
    var url = '/api/operational/download-jobs';
    var id = req.params['id'];
    return new Promise(function(resolve, reject) {
        request({
            url: uri + url + '?deep',
            method: 'GET',
            headers: _.extend({}, constants.HTTP_HEADERS.accept.data, {
                'Authorization': req.get('Authorization')
            }),
            forever: constants.FOREVER_ON,
            rejectUnauthorized: false,
        }, function(error, response, body) {
            if (utils.validateResponse('restconfAPI.streams', error, response, body, resolve, reject)) {
                var data = JSON.parse(response.body)['rw-pkg-mgmt:download-jobs'];
                var returnData = [];
                data && data.job.map(function(d) {
                    if(d['package-id'] == id) {
                        returnData.push(d)
                    }
                })
                resolve({
                    statusCode: response.statusCode,
                    data: returnData
                })
            };
        })
    })
}
module.exports = {
    Composer:Composer,
    FileManager: FileManager
};
