"use strict";

const Promise = require("bluebird");
const dlayerSource = require("../../../packages/dlayer-source");

const types = require("../");
const All = require("../../../packages/graphql-interface/symbols/all");

module.exports = function LVMVolumeGroup ({ name }) { 
	return dlayerSource.withSources({
		physicalVolumes: function (_args, { sources }) {
			return Promise.try(() => {
				return sources.lvmPhysicalVolumes.load(All);
			}).filter((volume) => {
				return (volume.volumeGroup === name);
			}).map((volume) => {
				return types.LVMPhysicalVolume({ path: volume.path });
			});
		},
		logicalVolumes: function (_args, { sources }) {
			return Promise.try(() => {
				return sources.lvmLogicalVolumes.load(All);
			}).filter((volume) => {
				return (volume.volumeGroup === name);
			}).map((volume) => {
				return types.LVMLogicalVolume({ path: volume.path });
			});
		},
		$sources: {
			lvmVolumeGroups: {
				[dlayerSource.ID]: name,
				name: "name",
				totalSpace: "totalSpace",
				freeSpace: "freeSpace",
				physicalVolumeCount: "physicalVolumeCount",
				logicalVolumeCount: "logicalVolumeCount",
				snapshotCount: "snapshotCount",
				isReadOnly: "isReadOnly",
				isResizeable: "isResizeable",
				isExported: "isExported",
				isIncomplete: "isIncomplete",
				allocationPolicy: "allocationPolicy",
				mode: "mode"
			}
		}
	});
};