<?php
/**
 * Represents a facility in the EcoBuddy system
 * 
 * This class serves as a data model for facilities, encapsulating all
 * the properties and behaviours of a single facility. It follows the
 * Data Transfer Object (DTO) pattern that I learned about in my
 * software architecture module.
 * 
 * Each facility has location data, descriptive information, and metadata
 * about who contributed it. This class provides a clean interface for
 * accessing this data throughout the application.
 */
class FacilityData {
    /**
     * Facility properties
     * 
     * @var int $_id - Unique identifier for the facility
     * @var string $_title - Name of the facility
     * @var string $_category - Category/type of the facility
     * @var string $_status - Current status of the facility
     * @var string $_description - Detailed description of the facility
     * @var string $_houseNumber - Building number or name
     * @var string $_streetName - Street name
     * @var string $_county - County
     * @var string $_town - Town or city
     * @var string $_postcode - Postal code
     * @var float $_lng - Longitude coordinate
     * @var float $_lat - Latitude coordinate
     * @var string $_contributor - Username of the person who added the facility
     */
    protected $_id;
    protected $_title;
    protected $_category;
    protected $_status;
    protected $_description;
    protected $_houseNumber;
    protected $_streetName;
    protected $_county;
    protected $_town;
    protected $_postcode;
    protected $_lng;
    protected $_lat;
    protected $_contributor;

    /**
     * Initialises a new facility with data from the database
     * @param array $dbRow Database row containing facility data
     */
    public function __construct($dbRow) {
        $this->_id = $dbRow['id'];
        $this->_title = $dbRow['title'];
        $this->_category = $dbRow['category'];
        $this->_status = $dbRow['status'];
        $this->_description = $dbRow['description'];
        $this->_houseNumber = $dbRow['houseNumber'];
        $this->_streetName = $dbRow['streetName'];
        $this->_county = $dbRow['county'];
        $this->_town = $dbRow['town'];
        $this->_postcode = $dbRow['postcode'];
        $this->_lng = $dbRow['lng'];
        $this->_lat = $dbRow['lat'];
        $this->_contributor = $dbRow['contributor'];
    }

    /**
     * Gets the facility's unique identifier
     * 
     * This ID is used throughout the application to reference this specific
     * facility, particularly in database operations and API requests.
     * 
     * @return int The facility ID
     */
    public function getId() {
        return $this->_id;
    }

    /**
     * Gets the facility's title
     * 
     * The title is the primary name or label for the facility that
     * is displayed to users in the interface.
     * 
     * @return string The facility title
     */
    public function getTitle() {
        return $this->_title;
    }

    /**
     * Gets the facility's category
     * 
     * The category helps classify facilities by type, such as
     * recycling centre, community garden, etc.
     * 
     * @return string The facility category
     */
    public function getCategory() {
        return $this->_category;
    }

    /**
     * Gets the facility's current status
     * 
     * The status indicates whether the facility is operational,
     * under maintenance, closed, etc.
     * 
     * @return string The facility status
     */
    public function getStatus() {
        return $this->_status;
    }

    /**
     * Gets the facility's description
     * 
     * The description provides detailed information about the facility,
     * its purpose, services offered, etc.
     * 
     * @return string The facility description
     */
    public function getDescription() {
        return $this->_description;
    }

    /**
     * Gets the facility's house/building number
     * 
     * This is part of the facility's address and helps locate it physically.
     * 
     * @return string The house/building number
     */
    public function getHouseNumber() {
        return $this->_houseNumber;
    }

    /**
     * Gets the facility's street name
     * 
     * This is part of the facility's address and helps locate it physically.
     * 
     * @return string The street name
     */
    public function getStreetName() {
        return $this->_streetName;
    }

    /**
     * Gets the facility's county
     * 
     * This is part of the facility's address and helps locate it physically.
     * 
     * @return string The county
     */
    public function getCounty() {
        return $this->_county;
    }

    /**
     * Gets the facility's town or city
     * 
     * This is part of the facility's address and helps locate it physically.
     * 
     * @return string The town or city
     */
    public function getTown() {
        return $this->_town;
    }

    /**
     * Gets the facility's postcode
     * 
     * This is part of the facility's address and helps locate it physically.
     * It's also useful for searching facilities by location.
     * 
     * @return string The postcode
     */
    public function getPostcode() {
        return $this->_postcode;
    }

    /**
     * Gets the facility's longitude coordinate
     * 
     * This is used for displaying the facility on a map and
     * for calculating distances between facilities.
     * 
     * @return float The longitude coordinate
     */
    public function getLng() {
        return $this->_lng;
    }

    /**
     * Gets the facility's latitude coordinate
     * 
     * This is used for displaying the facility on a map and
     * for calculating distances between facilities.
     * 
     * @return float The latitude coordinate
     */
    public function getLat() {
        return $this->_lat;
    }

    /**
     * Gets the username of the facility's contributor
     * 
     * This tracks who added the facility to the system,
     * which is useful for auditing and attribution.
     * 
     * @return string The contributor's username
     */
    public function getContributor() {
        return $this->_contributor;
    }
}