#!/usr/bin/node

const Parser = require('./parser.js');
var parser = new Parser();

const yargs = require('yargs')
	.scriptName("node data_tool.js")
	.usage('$0 <cmd> [options] [args]')
	.command(
		'valid_deal [query]',
		'Returns with exit code 0 if [query] matches'
		+ ' at least one deal, otherwise 2.',
		(yargs) => {
			yargs.positional('query', {
				type: 'string',
				default: '',
				describe: 'Key path.'
			})
		},
		function(argv) {
			parser.test
			.valid_deal(argv.query)
			.then(function(result) {
				if (result) {
					process.exit(0);
				}
				process.exit(2);
			})
		}
	)
	.command(
		'valid_cluster [query]',
		'Returns with exit code 0 if [query] matches'
		+ ' at least one cluster, otherwise 2.',
		(yargs) => {
			yargs.positional('query', {
				type: 'string',
				default: '',
				describe: 'Key path.'
			})
		},
		function(argv) {
			parser.test
			.valid_cluster(argv.query)
			.then(function(result) {
				if (result) {
					process.exit(0);
				}
				process.exit(2);
			})
		}
	)
	.command(
		'valid_host [query]',
		'Returns with exit code 0 if [query] matches'
		+ ' at least one host, otherwise 2.',
		(yargs) => {
			yargs.positional('query', {
				type: 'string',
				default: '',
				describe: 'Key path.'
			})
		},
		function(argv) {
			parser.test
			.valid_host(argv.query)
			.then(function(result) {
				if (result) {
					process.exit(0);
				}
				process.exit(2);
			})
		}
	)
	.command(
		'get [query]',
		'Prints an array of '.concat(
			'  paths matched by [query], or returns [].'
		),
		(yargs) => {
			yargs.positional('query', {
				type: 'string',
				default: '',
				describe: 'The key path to a datanode.'
			})
		},
		function(argv) {
			parser.get
			.data(argv.query)
			.then(function(arr) {
				console.log(JSON.stringify(arr));
			})
		}
	)
	.command(
		'root [query]',
		'Returns json array of arrays of keys in order '.concat(
		 	'locating query matches'
		),
		(yargs) => {
			yargs.positional('query', {
				type: 'string',
				default: '',
				describe: 'The key path to a datanode.'
			})
		},
		function(argv) {
			parser.get
			.root(argv.query)
			.then(function(arr) {
				console.log(JSON.stringify(arr));
			})
		}
	)
	.command(
		'path [query]',
		'Returns array of paths under NAAS_HOME'
		+ ' for each matching deal.',
		(yargs) => {
			yargs.positional('query', {
				type: 'string',
				default: '',
				describe: 'The key path to a datanode.'
			})
		},
		function(argv) {
			parser.get
			.path(argv.query)
			.then(function(arr) {
				console.log(JSON.stringify(arr));
			})
		}
	)
	.command(
		'deals',
		'Returns list of deals.',
		function(argv) {
			parser.get
			.deals()
			.then(function(arr) {
				console.log(JSON.stringify(arr));
			})
		}
	)
	.command(
		'hosts [query]',
		'Returns list of hosts.',
		(yargs) => {
			yargs.positional('query', {
				type: 'string',
				default: '',
				describe: 'The key path to a datanode.'
			})
		},
		function(argv) {
			parser.get
			.host_list(argv.query)
			.then(function(arr) {
				console.log(JSON.stringify(arr));
			})
		}
	)
	.option(
		'debug',
		{
			alias: 'd',
			description: 'Print debug output (very verbose!)',
			type: 'boolean',
			global: true,
		}
	)
	.option(
		'path',
		{
			alias: 'p',
			description: 'Path to data file.',
			type: 'string',
			global: true,
			default: "/etc/adamocomp/data.json"
		}
	)
	.help()
	.argv;

if (yargs.path) {
	parser.params.path = yargs.path;
}

if (yargs.debug) {
	parser.params.debug_mode = yargs.debug;
}