"use strict";

const Promise = require("bluebird");
const graphql = require("graphql");
const util = require("util");
const chalk = require("chalk");

const gql = require("./graphql/tag");
const api = require("./api/index");

function debugDisplay(results) {
	if (results.errors != null && results.errors.length > 0) {
		results.errors.forEach((graphqlError) => {
			let errorHeader;

			if (graphqlError.path != null) {
				errorHeader = `Error occurred for path: ${graphqlError.path.join(" -> ")}`;
			} else if (graphqlError.locations != null && graphqlError.locations.length > 0) {
				errorHeader = `Error occurred at line ${graphqlError.locations[0].line}, column ${graphqlError.locations[0].column}`;
			} else {
				errorHeader = "Error occurred in GraphQL";
			}

			console.log(chalk.bgBlue.white(errorHeader));
			
			let error = graphqlError.originalError;

			if (error != null) {
				if (error.showChain != null) {
					console.log(error.showChain());
				} else {
					console.log(error.stack);
				}
			} else {
				console.log(graphqlError.stack);
			}

			console.log("-----------------------------");
		});
	}

	console.log(util.inspect(results.data, {colors: true, depth: null}));
}

// ###############################################

let makeQuery = api();

// FIXME: If we intend to target macOS, a lot of whitespace-based output splitting won't work: https://www.mail-archive.com/austin-group-l@opengroup.org/msg01678.html

// findmnt --json -o +SIZE,AVAIL
//   -> map back to mountPoint stuff?
// blkid
// to discover the filesystem that a given path exists on: stat -c %m
// partx
// (rest of util-linux)
// memory usage: /proc/meminfo

return Promise.try(() => {
	let query = gql`
		query {
			hardware {
				drives {
					smartHealth
					size
					rpm
					serialNumber
					model
					modelFamily
					firmwareVersion

					blockDevice {
						name
					}

					partitions: allBlockDevices(type: PARTITION) {
						name
						size

						mounts {
							mountpoint
						}
					}
				}
			}
		}
	`;

	// let query = gql`
	// 	# query SomeDrives($drivePaths: [String]) {
	// 	query SomeDrives {
	// 		hardware {
	// 			drives {
	// 				path
	// 				interface
					
	// 				model
	// 				modelFamily

	// 				blockDevice {
	// 					submounts: mounts(type: SUBMOUNT) {
	// 						mountpoint
	// 						filesystem
	// 					}
	// 				}
	// 				# smartAvailable
	// 				# smartEnabled
	// 				# serialNumber
	// 				# wwn
	// 				# firmwareVersion
	// 				# size
	// 				# rpm
	// 				# logicalSectorSize
	// 				# physicalSectorSize
	// 				# formFactor
	// 				# ataVersion
	// 				# sataVersion

	// 				# smartHealth
	// 				# smartAttributes {
	// 				# 	name
	// 				# 	type
	// 				# 	value
	// 				# 	failingNow

	// 				# 	flags {
	// 				# 		affectsPerformance
	// 				# 		indicatesFailure
	// 				# 	}
	// 				# }

	// 				# blockDevice {
	// 				# 	removable

	// 				# 	children {
	// 				# 		name
	// 				# 		mountpoint
	// 				# 		size
	// 				# 	}
	// 				# }
	// 			}
	// 		}

	// 		# resources {
	// 			# blockDevices {
	// 			# 	name
	// 			# 	mountpoint
	// 			# 	size
	// 			# 	deviceNumber
	// 			# 	removable
	// 			# 	readOnly
	// 			# 	parent { name }

	// 			# 	children {
	// 			# 		name
	// 			# 		mountpoint
	// 			# 		size
	// 			# 		deviceNumber
	// 			# 		removable
	// 			# 		readOnly
	// 			# 		parent { name }
	// 			# 	}
	// 			# }

	// 			# lvm {
	// 			# 	physicalVolumes {
	// 			# 		path

	// 			# 		blockDevice {
	// 			# 			name
	// 			# 			deviceNumber
	// 			# 		}

	// 			# 		volumeGroup {
	// 			# 			name
	// 			# 		}

	// 			# 		format
	// 			# 		size
	// 			# 		freeSpace
	// 			# 		duplicate
	// 			# 		allocatable
	// 			# 		used
	// 			# 		exported
	// 			# 		missing
	// 			# 	}
	// 			# }
	// 		# }
	// 	}
	// `;

	return makeQuery(query, {
		// drivePaths: ["/dev/sda", "/dev/sdb"]
	});
}).then((results) => {
	debugDisplay(results);
});