<?php
/**
 * A general class for personell
 *
 * @author		Roland Haeder <webmaster@ship-simu.org>
 * @version		0.0.0
 * @copyright	Copyright (c) 2007, 2008 Roland Haeder, this is free software
 * @license		GNU GPL 3.0 or any newer version
 * @link		http://www.ship-simu.org
 *
 * 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 3 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, see <http://www.gnu.org/licenses/>.
 */
class BasePersonell extends BaseFrameworkSystem implements Personellizer {
	// Maximum/minimum age
	private $MIN_AGE = 21;
	private $MAX_AGE = 40;

	// Male/female
	private $gender     = ""; // M=Male, F=Female, empty=uninitialized

	// Year/month/day of birth
	private $yearBirth  = 0;
	private $monthBirth = 0;
	private $dayBirth   = 0;

	// Surname/family name
	private $surname    = "";
	private $family     = "";

	// Employed?
	private $employed   = false;

	// Married?
	private $married    = false;

	// Her/his salary
	private $salary     = 0.00;

	// Constructor
	protected function __construct ($className) {
		// Call parent constructor
		parent::__construct($className);

		// Set description
		$this->setObjectDescription("Personal");
	}

	// Remove min/max ages
	public final function removeMinMaxAge () {
		unset($this->MIN_AGE);
		unset($this->MAX_AGE);
	}

	// Generates a birthday based on MAX_AGE/MIN_AGE and the current date
	public final function createBirthday () {
		// Is the birthday already set?
		if ($this->isDateValid($this->yearBirth, $this->monthBirth, $this->dayBirth)) return false;

		// Get current year
		$currYear = date("Y", time());

		// Generate random year/month/day
		$year = mt_rand(($currYear - $this->MIN_AGE), ($currYear - $this->MAX_AGE));
		$month = 0;
		$day = 0;
		while (!$this->isDateValid($year, $month, $day)) {
			$month = mt_rand(1, 12);
			switch ($month) {
			case 1:
			case 3:
			case 5:
			case 7:
			case 8:
			case 10:
			case 12:
				$day   = mt_rand(1, 31);
				break;

			case 4:
			case 6:
			case 9:
			case 11:
				$day   = mt_rand(1, 30);
				break;

			case 2: // February
				if ($year % 4 == 0) {
					// Is a "Schaltjahr"
					$day = mt_rand(1, 29);
				} else {
					// Regular year
					$day = mt_rand(1, 28);
				}
				break;
			} // switch - END
		} // while - END

		// Set the new birthday
		$this->setBirthday($year, $month, $day);
	}

	// Is the current day valid?
	public final function isDateValid ($year, $month, $day) {
		// Create timestamp
		$stamp = mktime(0, 0, 0, $month, $day, $year);

		// Get year/month/day back
		$y = date("Y", $stamp);
		$m = date("m", $stamp);
		$d = date("d", $stamp);

		// Compare all
		return (($y == $year) && ($m == $month) && ($d == $day));
	}

	// Employed?
	public final function isEmployed () {
		return $this->employed;
	}

	// Married?
	public final function isMarried () {
		return $this->married;
	}

	// Male?
	public final function isMale () {
		return ($this->gender == "M");
	}

	// Female
	public final function isFemale () {
		return ($this->gender == "F");
	}

	// Setter for surname
	public final function setSurname ($surname) {
		$this->surname = (string) $surname;
	}

	// Getter for surname
	public function getSurname () {
		return $this->surname;
	}

	// Setter for family name
	public final function setFamily ($family) {
		$this->family = (string) $family;
	}

	// Getter for family name
	public final function getFamily () {
		return $this->family;
	}

	// Setter for gender
	public final function setGender ($gender) {
		// Set random gender here
		if (($gender == "M") || ($gender == "F") || ((empty($gender)) && ($this->getSurname() == ""))) {
			$this->gender = $gender;
		} else {
			throw new WrongGenderSpecifiedException($gender, self::EXCEPTION_GENDER_IS_WRONG);
		}
	}

	// Getter for gender
	public final function getGender () {
		return $this->gender;
	}

	// Setter for employment status
	public final function setEmployed ($employed) {
		$this->employed = (boolean) $employed;
	}

	// Setter for marriage status
	public final function setMarried ($married) {
		$this->married = (boolean) $married;
	}

	// Getter for salary
	public final function getSalary () {
		return $this->salary;
	}

	// Increase salary
	public final function increaseSalary ($add) {
		$this->salary += (float) abs($add);
	}

	// Decrease salary
	public final function decreaseSalary ($sub) {
		$this->salary -= (float) abs($sub);
	}

	// Setter for birthday
	public final function setBirthday ($year, $month, $day) {
		$this->yearBirth  = (int) abs($year);
		$this->monthBirth = (int) abs($month);
		$this->dayBirth   = (int) abs($day);
	}

	// Remove gender
	public final function removeGender () {
		unset($this->gender);
	}

	// Remove both names
	public final function removeNames () {
		unset($this->surname);
		unset($this->family);
	}

	// Remove complete birthday
	public final function removeBirthday () {
		unset($this->yearBirth);
		unset($this->monthBirth);
		unset($this->dayBirth);
	}

	// Remove salary
	public final function removeSalary () {
		unset($this->salary);
	}

	// Remove employment status
	public final function removeEmployed () {
		unset($this->employed);
	}

	// Remove marrital status
	public final function removeMarried () {
		unset($this->married);
	}
}

// [EOF]
?>