<?php declare(strict_types = 0);
/*
** Zabbix
** Copyright (C) 2001-2023 Zabbix SIA
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
**/


use PHPUnit\Framework\TestCase;

class CExpressionMacroFunctionParserTest extends TestCase {

	public static function dataProvider() {
		return [
			['', 0, [
				'rc' => CParser::PARSE_FAIL,
				'match' => '',
				'length' => 0
			]],
			['{{', 0, [
				'rc' => CParser::PARSE_FAIL,
				'match' => '',
				'length' => 0
			]],
			['{{?', 0, [
				'rc' => CParser::PARSE_FAIL,
				'match' => '',
				'length' => 0
			]],
			['text {{?}.f()}', 5, [
				'rc' => CParser::PARSE_FAIL,
				'match' => '',
				'length' => 0
			]],
			['text {{?1+1}', 5, [
				'rc' => CParser::PARSE_FAIL,
				'match' => '',
				'length' => 0
			]],
			['text {{?1+1}.func("param")}', 5, [
				'rc' => CParser::PARSE_SUCCESS,
				'match' => '{{?1+1}.func("param")}',
				'length' => 22
			]],
			['text {{?1+1}.func("param")} text', 5, [
				'rc' => CParser::PARSE_SUCCESS_CONT,
				'match' => '{{?1+1}.func("param")}',
				'length' => 22
			]],
			['text {{? 1 + 1   }.func( param, "param" )}', 5, [
				'rc' => CParser::PARSE_SUCCESS,
				'match' => '{{? 1 + 1   }.func( param, "param" )}',
				'length' => 37
			]],
			['text {{? last(/{HOST.HOST}/key, #25) }.func()} text', 5, [
				'rc' => CParser::PARSE_SUCCESS_CONT,
				'match' => '{{? last(/{HOST.HOST}/key, #25) }.func()}',
				'length' => 41
			]],
			['text {{? last(/host/key, #25) + max(sum(/host/key, 1d:now/d), sum(/host/key, 1d:now/d-1d)) }.func()} text', 5, [
				'rc' => CParser::PARSE_SUCCESS_CONT,
				'match' => '{{? last(/host/key, #25) + max(sum(/host/key, 1d:now/d), sum(/host/key, 1d:now/d-1d)) }.func()}',
				'length' => 95
			]],
			['text {? 1 + 1   text', 5, [
				'rc' => CParser::PARSE_FAIL,
				'match' => '',
				'length' => 0
			]]
		];
	}

	/**
	 * @dataProvider dataProvider
	 *
	 * @param string  $source
	 * @param int     $pos
	 * @param array   $result
	 */
	public function testExpressionMacroFunctionParser(string $source, int $pos, array $result) {
		$expression_macro_function_parser = new CExpressionMacroFunctionParser([
			'usermacros' => true,
			'lldmacros' => true,
			'host_macro_n' => true,
			'empty_host' => true
		]);

		$this->assertSame($result, [
			'rc' => $expression_macro_function_parser->parse($source, $pos),
			'match' => $expression_macro_function_parser->getMatch(),
			'length' => $expression_macro_function_parser->getLength()
		]);
	}
}