'use strict';

const Promise = require("bluebird");

// const lsblk = require("../packages/exec-lsblk");
// const smartctl = require("../packages/exec-smartctl");
// const lvm = require("../packages/exec-lvm");
// const {B} = require("../units/bytes/iec");

// function getStorageDevices() {
// 	return Promise.try(() => {
// 		return lsblk();
// 	}).filter((device) => {
// 		/* FIXME: Move device type filter to GraphQL? */
// 		return (device.type === "disk");
// 	}).map((device) => {
// 		return Object.assign({}, device, {
// 			path: `/dev/${device.name}`
// 		});
// 	}).map((device) => {
// 		/* FIXME: Check whether we need to iterate through child disks as well, when dealing with eg. RAID arrays */
// 		return Promise.try(() => {
// 			return Promise.all([
// 				smartctl.info({ devicePath: device.path }),
// 				smartctl.attributes({ devicePath: device.path })
// 			]);
// 		}).then(([info, attributes]) => {
// 			return Object.assign({}, device, {
// 				information: info,
// 				smartData: attributes,
// 				smartStatus: getSmartStatus(attributes)
// 			});
// 		});
// 	}).then((blockDevices) => {
// 		console.log(blockDevices);
// 		return blockDevices;
// 	});
// }

// function sumDriveSizes(drives) {
// 	return drives.reduce((total, device) => {
// 		return total + device.size.toB().amount;
// 	}, 0);
// }

// function roundUnit(unit) {
// 	return Object.assign(unit, {
// 		amount: Math.round(unit.amount * 100) / 100
// 	});
// }

module.exports = function({db}) {
	let router = require("express-promise-router")();

	router.get("/", (req, res) => {
		// return Promise.try(() => {
		// 	return getStorageDevices();
		// }).then((devices) => {
		// 	/* FIXME: Auto-formatting of total sizes and units */
		// 	let fixedDrives = devices.filter((drive) => drive.removable === false);
		// 	let removableDrives = devices.filter((drive) => drive.removable === true);

		// 	let healthyFixedDrives = fixedDrives.filter((drive) => drive.smartStatus === "healthy");
		// 	let deterioratingFixedDrives = fixedDrives.filter((drive) => drive.smartStatus === "deteriorating");
		// 	let failingFixedDrives = fixedDrives.filter((drive) => drive.smartStatus === "failing");

		// 	res.render("hardware/storage-devices/list", {
		// 		devices: devices,
		// 		totalFixedStorage: roundUnit(B(sumDriveSizes(fixedDrives)).toTiB()),
		// 		totalHealthyFixedStorage: roundUnit(B(sumDriveSizes(healthyFixedDrives)).toTiB()),
		// 		totalDeterioratingFixedStorage: roundUnit(B(sumDriveSizes(deterioratingFixedDrives)).toTiB()),
		// 		totalFailingFixedStorage: roundUnit(B(sumDriveSizes(failingFixedDrives)).toTiB()),
		// 		totalRemovableStorage: roundUnit(B(sumDriveSizes(removableDrives)).toGiB())
		// 	});
		// });
		res.render("hardware/storage-devices/list");
	});

	return router;
}