<?php

// Copyright (C) 2024 Combodo SAS
//
//   This file is part of iTop.
//
//   iTop is free software; you can redistribute it and/or modify
//   it under the terms of the GNU Affero General Public License as published by
//   the Free Software Foundation, either version 3 of the License, or
//   (at your option) any later version.
//
//   iTop 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 Affero General Public License for more details.
//
//   You should have received a copy of the GNU Affero General Public License
//   along with iTop. If not, see <http://www.gnu.org/licenses/>

/**
 * Class BackgroundTask
 * A class to record information about the execution of background processes ({@link iProcess} impl)
 *
 * @copyright   Copyright (C) 2010-2024 Combodo SAS
 * @license     http://opensource.org/licenses/AGPL-3.0
 */
class BackgroundTask extends DBObject
{
	protected $bDebug = false;

	/**
	 * @return bool
	 */
	public function IsDebug()
	{
		return $this->bDebug;
	}

	/**
	 * @param bool $bDebug
	 */
	public function SetDebug($bDebug)
	{
		$this->bDebug = $bDebug;
	}

	public static function Init()
	{
		$aParams =
		[
			"category" => "core/cmdb",
			"key_type" => "autoincrement",
			"name_attcode" => "class_name",
			"state_attcode" => "",
			"reconc_keys" => [],
			"db_table" => "priv_backgroundtask",
			"db_key_field" => "id",
			"db_finalclass_field" => "",
		];
		MetaModel::Init_Params($aParams);

		MetaModel::Init_AddAttribute(new AttributeString("class_name", ["allowed_values" => null, "sql" => "class_name", "default_value" => null, "is_null_allowed" => false, "depends_on" => []]));
		MetaModel::Init_AddAttribute(new AttributeDateTime("first_run_date", ["allowed_values" => null, "sql" => "first_run_date", "default_value" => "", "is_null_allowed" => true, "depends_on" => []]));
		MetaModel::Init_AddAttribute(new AttributeDateTime("latest_run_date", ["allowed_values" => null, "sql" => "latest_run_date", "default_value" => "", "is_null_allowed" => true, "depends_on" => []]));
		MetaModel::Init_AddAttribute(new AttributeDateTime("next_run_date", ["allowed_values" => null, "sql" => "next_run_date", "default_value" => "", "is_null_allowed" => true, "depends_on" => []]));

		MetaModel::Init_AddAttribute(new AttributeInteger("total_exec_count", ["allowed_values" => null, "sql" => "total_exec_count", "default_value" => "0", "is_null_allowed" => true, "depends_on" => []]));
		MetaModel::Init_AddAttribute(new AttributeDecimal("latest_run_duration", ["allowed_values" => null, "sql" => "latest_run_duration", "digits" => 8, "decimals" => 3, "default_value" => "0", "is_null_allowed" => true, "depends_on" => []]));
		MetaModel::Init_AddAttribute(new AttributeDecimal("min_run_duration", ["allowed_values" => null, "sql" => "min_run_duration", "digits" => 8, "decimals" => 3, "default_value" => "0", "is_null_allowed" => true, "depends_on" => []]));
		MetaModel::Init_AddAttribute(new AttributeDecimal("max_run_duration", ["allowed_values" => null, "sql" => "max_run_duration", "digits" => 8, "decimals" => 3, "default_value" => "0", "is_null_allowed" => true, "depends_on" => []]));
		MetaModel::Init_AddAttribute(new AttributeDecimal("average_run_duration", ["allowed_values" => null, "sql" => "average_run_duration", "digits" => 8, "decimals" => 3, "default_value" => "0", "is_null_allowed" => true, "depends_on" => []]));

		MetaModel::Init_AddAttribute(new AttributeBoolean("running", ["allowed_values" => null, "sql" => "running", "default_value" => false, "is_null_allowed" => false, "depends_on" => []]));
		MetaModel::Init_AddAttribute(new AttributeEnum("status", ["allowed_values" => new ValueSetEnum('active,paused,removed'), "sql" => "status", "default_value" => 'active', "is_null_allowed" => false, "depends_on" => []]));
		MetaModel::Init_AddAttribute(new AttributeString("system_user", ["allowed_values" => null, "sql" => "system_user", "default_value" => null, "is_null_allowed" => true, "depends_on" => []]));
	}

	public function ComputeDurations($fLatestDuration)
	{
		$iTotalRun = $this->Get('total_exec_count');
		$fAverageDuration = ($this->Get('average_run_duration') * $iTotalRun + $fLatestDuration) / (1 + $iTotalRun);
		$this->Set('average_run_duration', sprintf('%.3f', $fAverageDuration));
		$this->Set('total_exec_count', 1 + $iTotalRun);
		if ($fLatestDuration < $this->Get('min_run_duration')) {
			$this->Set('min_run_duration', sprintf('%.3f', $fLatestDuration));
		}
		if ($fLatestDuration > $this->Get('max_run_duration')) {
			$this->Set('max_run_duration', sprintf('%.3f', $fLatestDuration));
		}
		$this->Set('latest_run_duration', sprintf('%.3f', $fLatestDuration));
	}
}
