<?php if (! defined('BASEPATH')) exit('No direct script access allowed');

class Visitor extends CI_Controller {

	// Define number of QSO per page
	private $qso_per_page;

	function __construct() {
		parent::__construct();

		$this->qso_per_page = 25;
	}

	function _remap($method, $params = []) {
		if ($method == "config") {
			$this->$method();
		} elseif ($method == "map") {
			$this->map();
		} elseif ($method == "satellites") {
			$this->satellites();
		} elseif ($method == "search") {
			$this->search();
		} elseif ($method == "exportmap") {
			$this->exportmap();
		} elseif ($method == "mapqsos") {
			$this->mapqsos();
		} else {
			if (!empty($params) && $params[0] == "mini") {
				$this->mini($method);
			} elseif (!empty($params) && $params[0] == "punchcard") {
				$this->punchcard($method);
			} else {
				$this->index($method);
			}
		}
	}

	/*
        This is the default function that is called when the user visits the root of the public controller
    */
	public function index($public_slug = NULL) {

		// Check slug passed and is valid
		if ($this->security->xss_clean($public_slug, TRUE) === FALSE) {

			// Public Slug failed the XSS test
			log_message('error', '[Visitor] XSS Attack detected on public_slug ' . $public_slug);
			show_404(__("Unknown Public Page."));
		} else {

			// Checked slug passed and clean
			log_message('info', '[Visitor] public_slug ' . $public_slug . ' loaded');

			// Load necessary models
			$this->load->model('dxcc');
			$this->load->model('cat');
			$this->load->model('logbook_model');
			$this->load->model('logbooks_model');
			$this->load->model('oqrs_model');
			$this->load->model('publicsearch');

			if ($this->logbooks_model->public_slug_exists($public_slug)) {

				// Load the public view
				$logbook_id = $this->logbooks_model->public_slug_exists_logbook_id($public_slug);

				if ($logbook_id != false) {

					// Get associated station locations for mysql queries
					$logbooks_locations_array = $this->logbooks_model->list_logbook_relationships($logbook_id);

					if ($logbooks_locations_array[0] === -1) {
						show_404(__("Empty Logbook"));
					}
				} else {
					log_message('error', $public_slug . ' has no associated station locations');
					show_404(__("Unknown Public Page."));
					die;
				}

				// Public visitor so no QRA to setup
				$data['qra'] = "none";

				// Pagination Configuration
				$this->load->library('pagination');
				$config['base_url'] = base_url() . 'index.php/visitor/' . $public_slug;
				$config['total_rows'] = $this->logbook_model->total_qsos($logbooks_locations_array);
				$config['per_page'] = $this->qso_per_page;
				$config['num_links'] = 6;
				$config['full_tag_open'] = '';
				$config['full_tag_close'] = '';
				$config['cur_tag_open'] = '<strong class="active"><a href="">';
				$config['cur_tag_close'] = '</a></strong>';

				$this->pagination->initialize($config);

				$qso_counts = $this->logbook_model->get_qso_counts($logbooks_locations_array);
				$data['todays_qsos'] = $qso_counts['today'];
				$data['total_qsos'] = $qso_counts['total'];
				$data['month_qsos'] = $qso_counts['month'];
				$data['year_qsos'] = $qso_counts['year'];

				$data['user_map_custom'] = $this->optionslib->get_map_custom(true, $public_slug);

				// Load Dashboard stats (countries + QSL stats in one query)
				$stats = $this->logbook_model->dashboard_stats_batch($logbooks_locations_array);

				// Country stats
				$data['total_countries'] = $stats['Countries_Worked'];
				$data['total_countries_confirmed_paper'] = $stats['Countries_Worked_QSL'];
				$data['total_countries_confirmed_eqsl'] = $stats['Countries_Worked_EQSL'];
				$data['total_countries_confirmed_lotw'] = $stats['Countries_Worked_LOTW'];
				$current = $stats['Countries_Current'];

				$dxcc = $this->dxcc->list_current();
				$data['total_countries_needed'] = count($dxcc->result()) - $current;

				// QSL stats
				$data['total_qsl_sent'] = $stats['QSL_Sent'];
				$data['total_qsl_rcvd'] = $stats['QSL_Received'];
				$data['total_qsl_requested'] = $stats['QSL_Requested'];

				$data['total_eqsl_sent'] = $stats['eQSL_Sent'];
				$data['total_eqsl_rcvd'] = $stats['eQSL_Received'];

				$data['total_lotw_sent'] = $stats['LoTW_Sent'];
				$data['total_lotw_rcvd'] = $stats['LoTW_Received'];

				$data['results'] = $this->logbook_model->get_qsos($this->qso_per_page, $this->uri->segment(3), $logbooks_locations_array);

				$data['page_title'] = __("Dashboard");
				$data['slug'] = $public_slug;

				$data['oqrs_enabled'] = $this->oqrs_model->oqrs_enabled($public_slug);
				$data['public_search_enabled'] = $this->publicsearch->public_search_enabled($public_slug);
				$data['disable_oqrs'] = $this->config->item('disable_oqrs');

				$this->load->view('visitor/layout/header', $data);
				$this->load->view('visitor/index');
				$this->load->view('visitor/layout/footer');
			} else {
				// Show 404
				log_message('error', '[Visitor] XSS Attack detected on public_slug ' . $public_slug);
				show_404(__("Unknown Public Page."));
			}
		}
	}

	public function mini($public_slug) {

		// Check slug passed and is valid
		if ($this->security->xss_clean($public_slug, TRUE) === FALSE) {

			// Public Slug failed the XSS test
			log_message('error', '[Visitor] XSS Attack detected on public_slug ' . $public_slug);
			show_404(__("Unknown Public Page."));
		} else {

			// Checked slug passed and clean
			log_message('info', '[Visitor] public_slug ' . $public_slug . ' loaded (mini)');

			// Load necessary models
			$this->load->model('logbooks_model');

			if ($this->logbooks_model->public_slug_exists($public_slug)) {

				// Load the public view
				$logbook_id = $this->logbooks_model->public_slug_exists_logbook_id($public_slug);

				if ($logbook_id != false) {

					// Get associated station locations for mysql queries
					$logbooks_locations_array = $this->logbooks_model->list_logbook_relationships($logbook_id);

					if ($logbooks_locations_array[0] === -1) {
						show_404(__("Empty Logbook"));
					}
				} else {
					log_message('error', $public_slug . ' has no associated station locations');
					show_404(__("Unknown Public Page."));
					die;
				}

				$this->load->model('logbook_model');

				$callsign = $this->security->xss_clean(trim($this->input->post('callsign') ?? ''));

				$this->db->select('COL_TIME_ON, COL_CALL, COL_BAND, COL_MODE, COL_SUBMODE, COL_RST_SENT, COL_RST_RCVD, COL_QSL_SENT, COL_QSL_RCVD, COL_LOTW_QSL_SENT, COL_LOTW_QSL_RCVD, COL_PROP_MODE, COL_SAT_NAME');
				$this->db->from($this->config->item('table_name'));
				$this->db->where_in('station_id', $logbooks_locations_array);
				if (!empty($callsign)) {
					$this->db->where('COL_CALL', strtoupper($callsign));
				}
				$this->db->order_by('COL_TIME_ON', 'DESC');
				$this->db->limit(10);
				$query = $this->db->get();
				$results = $query->result();

				$data['slug'] = $public_slug;
				$data['results'] = $results;
				$data['search_callsign'] = $callsign;

				$this->load->view('visitor/mini', $data);
			} else {
				log_message('error', '[Visitor] Public slug not found: ' . $public_slug);
				show_404(__("Unknown Public Page."));
			}
		}
	}

	public function punchcard($public_slug) {

		// Check slug passed and is valid
		if ($this->security->xss_clean($public_slug, TRUE) === FALSE) {

			// Public Slug failed the XSS test
			log_message('error', '[Visitor] XSS Attack detected on public_slug ' . $public_slug);
			show_404(__("Unknown Public Page."));
		} else {

			// Checked slug passed and clean
			log_message('info', '[Visitor] public_slug ' . $public_slug . ' loaded (punchcard)');

			// Load necessary models
			$this->load->model('logbooks_model');

			if ($this->logbooks_model->public_slug_exists($public_slug)) {

				// Load the public view
				$logbook_id = $this->logbooks_model->public_slug_exists_logbook_id($public_slug);

				if ($logbook_id != false) {

					// Get associated station locations for mysql queries
					$logbooks_locations_array = $this->logbooks_model->list_logbook_relationships($logbook_id);

					if ($logbooks_locations_array[0] === -1) {
						show_404(__("Empty Logbook"));
					}
				} else {
					log_message('error', $public_slug . ' has no associated station locations');
					show_404(__("Unknown Public Page."));
					die;
				}

				$yr = (int) date('Y');

				$this->load->model('dayswithqso_model');
				$raw = $this->dayswithqso_model->getPunchvals($yr, $logbooks_locations_array);

				// Bucket counts into color levels and index by date key
				$counts = [];
				$total = 0;
				if ($raw) {
					foreach ($raw as $p) {
						$n = (int) $p->qsos;
						$col = $n <= 0 ? 0 : ($n <= 3 ? 3 : ($n <= 6 ? 6 : ($n <= 12 ? 12 : ($n <= 24 ? 24 : 48))));
						$key = $p->date;
						$counts[$key] = ['n' => $n, 'col' => $col];
						$total += $n;
					}
				}

				// Build 53-week (Mon-start) continuous grid for the year
				$weeks = [];
				$monthLabels = [];
				$start = new DateTime($yr . '-01-01');
				$end = new DateTime($yr . '-12-31');
				$isoDays = (int) $start->format('N'); // 1=Mon .. 7=Sun
				$cursor = clone $start;
				$cursor->modify('-' . ($isoDays - 1) . ' days'); // back up to Monday
				$lastMonth = -1;
				$weekIdx = 0;
				while ($cursor <= $end) {
					for ($d = 1; $d <= 7; $d++) {
						if ($cursor < $start || $cursor > $end) {
							$weeks[$weekIdx][$d] = null;
						} else {
							$key = $cursor->format('Y-n-j');
							$cell = $counts[$key] ?? null;
							// In-range day always emits a cell; no-QSO days fall back to
							// the zero bucket so they render as the lowest gray.
							$weeks[$weekIdx][$d] = [
								'date'  => $cursor->format('Y-m-d'),
								'n'     => $cell['n'] ?? 0,
								'col'   => $cell['col'] ?? 0,
							];

							$curMonth = (int) $cursor->format('n');
							if ($d <= 4 && $curMonth !== $lastMonth) {
								$monthLabels[$weekIdx] = $curMonth;
								$lastMonth = $curMonth;
							}
						}
						$cursor->modify('+1 day');
					}
					$weekIdx++;
				}

				// Theme resolution (?theme=<folder>, validated; defaults to light)
				$this->load->model('themes_model');
				$reqTheme = $this->input->get('theme', TRUE);
				$mode = 'light';
				if ($reqTheme !== null && ($this->themes_model->get_theme_mode($reqTheme) ?? '') === 'dark') {
					$mode = 'dark';
				}

				$data['slug'] = $public_slug;
				$data['weeks'] = $weeks;
				$data['monthLabels'] = $monthLabels;
				$data['total'] = $total;
				$data['mode'] = $mode;
				$data['yr'] = $yr;

				$this->load->view('visitor/punchcard', $data);
			} else {
				log_message('error', '[Visitor] Public slug not found: ' . $public_slug);
				show_404(__("Unknown Public Page."));
			}
		}
	}


	public function map() {
		$this->load->model('logbook_model');

		if (!$this->load->is_loaded('Qra')) {
			$this->load->library('Qra');
		}

		$slug = $this->security->xss_clean($this->uri->segment(3));

		$this->load->model('logbooks_model');
		$logbook_id = $this->logbooks_model->public_slug_exists_logbook_id($slug);
		if ($logbook_id != false) {
			// Get associated station locations for mysql queries
			$logbooks_locations_array = $this->logbooks_model->list_logbook_relationships($logbook_id);

			if ($logbooks_locations_array[0] === -1) {
				show_404(__("Empty Logbook"));
			}
		} else {
			log_message('error', $slug . ' has no associated station locations');
			show_404(__("Unknown Public Page."));
			die;
		}

		$qsos = $this->logbook_model->get_qsos($this->qso_per_page, $this->uri->segment(4), $logbooks_locations_array);
		// [PLOT] ADD plot //
		$plot_array = $this->logbook_model->get_plot_array_for_map($qsos->result());

		header('Content-Type: application/json; charset=utf-8');
		echo json_encode($plot_array);
	}

	public function satellites() {

		$this->load->model('publicsearch');
		$this->load->model('oqrs_model');
		$slug = $this->security->xss_clean($this->uri->segment(3));
		$data['slug'] = $slug;
		$data['public_search_enabled'] = $this->publicsearch->public_search_enabled($slug);
		$data['oqrs_enabled'] = $this->oqrs_model->oqrs_enabled($slug);
		$data['disable_oqrs'] = $this->config->item('disable_oqrs');
		$this->load->model('logbooks_model');
		if ($this->logbooks_model->public_slug_exists($slug)) {
			// Load the public view
			$logbook_id = $this->logbooks_model->public_slug_exists_logbook_id($slug);
			if ($logbook_id != false) {
				// Get associated station locations for mysql queries
				$logbooks_locations_array = $this->logbooks_model->list_logbook_relationships($logbook_id);

				if ($logbooks_locations_array[0] === -1) {
					show_404(__("Empty Logbook"));
				}
			} else {
				log_message('error', $slug . ' has no associated station locations');
				show_404(__("Unknown Public Page."));
				die;
			}
		} else {
			log_message('error', '[Visitor] Public slug not found.');
			show_404(__("No public slug found."));
			die;
		}

		$this->load->model('gridmap_model');

		$data['page_title'] = __("Satellite Gridsquare Map");


		$array_grid_2char = array();
		$array_grid_4char = array();
		$array_grid_6char = array();


		$array_confirmed_grid_2char = array();
		$array_confirmed_grid_4char = array();
		$array_confirmed_grid_6char = array();

		$grid_2char = "";
		$grid_4char = "";
		$grid_6char = "";

		$grid_2char_confirmed = "";
		$grid_4char_confirmed = "";
		$grid_6char_confirmed = "";


		// Get Confirmed LoTW & Paper Squares (non VUCC)
		$query = $this->gridmap_model->get_band_confirmed('SAT', 'All', 'false', 'true', 'false', 'false', 'All', 'All', 'All', 'All', '', null, null, $logbooks_locations_array);


		if ($query && $query->num_rows() > 0) {
			foreach ($query->result() as $row) {

				$grid_2char_confirmed = strtoupper(substr($row->GRID_SQUARES, 0, 2));
				$grid_4char_confirmed = strtoupper(substr($row->GRID_SQUARES, 0, 4));
				if ($this->config->item('map_6digit_grids')) {
					$grid_6char_confirmed = strtoupper(substr($row->GRID_SQUARES, 0, 6));
				}

				// Check if 2 Char is in array
				if (!in_array($grid_2char_confirmed, $array_confirmed_grid_2char)) {
					array_push($array_confirmed_grid_2char, $grid_2char_confirmed);
				}


				if (!in_array($grid_4char_confirmed, $array_confirmed_grid_4char)) {
					array_push($array_confirmed_grid_4char, $grid_4char_confirmed);
				}


				if ($this->config->item('map_6digit_grids')) {
					if (!in_array($grid_6char_confirmed, $array_confirmed_grid_6char)) {
						array_push($array_confirmed_grid_6char, $grid_6char_confirmed);
					}
				}
			}
		}

		// Get worked squares
		$query = $this->gridmap_model->get_band('SAT', 'All', 'false', 'true', 'false', 'false', 'All', 'All', 'All', 'All', '', null, null, $logbooks_locations_array);

		if ($query && $query->num_rows() > 0) {
			foreach ($query->result() as $row) {

				$grid_two = strtoupper(substr($row->GRID_SQUARES, 0, 2));
				$grid_four = strtoupper(substr($row->GRID_SQUARES, 0, 4));
				if ($this->config->item('map_6digit_grids')) {
					$grid_six = strtoupper(substr($row->GRID_SQUARES, 0, 6));
				}

				// Check if 2 Char is in array
				if (!in_array($grid_two, $array_grid_2char)) {
					array_push($array_grid_2char, $grid_two);
				}


				if (!in_array($grid_four, $array_grid_4char)) {
					array_push($array_grid_4char, $grid_four);
				}


				if ($this->config->item('map_6digit_grids')) {
					if (!in_array($grid_six, $array_grid_6char)) {
						array_push($array_grid_6char, $grid_six);
					}
				}
			}
		}

		$query_vucc = $this->gridmap_model->get_band_worked_vucc_squares('SAT', 'All', 'false', 'true', 'false', 'false', 'All', 'All', 'All', null, null, $logbooks_locations_array);

		if ($query_vucc && $query_vucc->num_rows() > 0) {
			foreach ($query_vucc->result() as $row) {

				$grids = explode(",", $row->COL_VUCC_GRIDS);

				foreach ($grids as $key) {
					$grid_two = strtoupper(substr($key, 0, 2));
					$grid_four = strtoupper(substr($key, 0, 4));

					// Check if 2 Char is in array
					if (!in_array($grid_two, $array_grid_2char)) {
						array_push($array_grid_2char, $grid_two);
					}


					if (!in_array($grid_four, $array_grid_4char)) {
						array_push($array_grid_4char, $grid_four);
					}
				}
			}
		}

		// Confirmed Squares
		$query_vucc = $this->gridmap_model->get_band_confirmed_vucc_squares('SAT', 'All', 'false', 'true', 'false', 'false', 'All', 'All', 'All', null, null, $logbooks_locations_array);

		if ($query_vucc && $query_vucc->num_rows() > 0) {
			foreach ($query_vucc->result() as $row) {

				$grids = explode(",", $row->COL_VUCC_GRIDS);

				foreach ($grids as $key) {
					$grid_2char_confirmed = strtoupper(substr($key, 0, 2));
					$grid_4char_confirmed = strtoupper(substr($key, 0, 4));

					// Check if 2 Char is in array
					if (!in_array($grid_2char_confirmed, $array_confirmed_grid_2char)) {
						array_push($array_confirmed_grid_2char, $grid_2char_confirmed);
					}


					if (!in_array($grid_4char_confirmed, $array_confirmed_grid_4char)) {
						array_push($array_confirmed_grid_4char, $grid_4char_confirmed);
					}
				}
			}
		}

		$data['grid_2char_confirmed'] = $this->js_array($array_confirmed_grid_2char);
		$data['grid_4char_confirmed'] = $this->js_array($array_confirmed_grid_4char);
		$data['grid_6char_confirmed'] = $this->js_array($array_confirmed_grid_6char);

		$data['grid_2char'] = $this->js_array($array_grid_2char);
		$data['grid_4char'] = $this->js_array($array_grid_4char);
		$data['grid_6char'] = $this->js_array($array_grid_6char);

		$data['layer'] = $this->optionslib->get_option('option_map_tile_server');
		$data['attribution'] = $this->optionslib->get_option('option_map_tile_server_copyright');

		$data['gridsquares_gridsquares'] = __("Gridsquares");
		$data['gridsquares_gridsquares_confirmed'] = __("Gridsquares confirmed");
		$data['gridsquares_gridsquares_not_confirmed'] = __("Gridsquares not confirmed");
		$data['gridsquares_gridsquares_total_worked'] = __("Total gridsquares worked");

		$data['gridsquares_fields'] = __("Fields");
		$data['gridsquares_fields_confirmed'] = __("Fields confirmed");
		$data['gridsquares_fields_not_confirmed'] = __("Fields not confirmed");
		$data['gridsquares_fields_total_worked'] = __("Total fields worked");

		$data['user_map_custom'] = $this->optionslib->get_map_custom(true, $slug);

		$data['visitor'] = true;

		$this->load->view('visitor/layout/header', $data);
		$this->load->view('gridmap/index', $data);
		$this->load->view('visitor/layout/footer');
	}

	private function js_str($s) {
		return '"' . addcslashes($s, "\0..\37\"\\") . '"';
	}

	private function js_array($array) {
		$temp = array_map([$this, 'js_str'], $array);
		return '[' . implode(',', $temp) . ']';
	}

	public function search() {
		$this->load->model('publicsearch');
		$this->load->model('oqrs_model');
		$callsign = trim($this->security->xss_clean($this->input->post('callsign')));
		$public_slug = $this->security->xss_clean($this->input->post('public_slug'));
		$data['public_search_enabled'] = $this->publicsearch->public_search_enabled($public_slug);
		$data['oqrs_enabled'] = $this->oqrs_model->oqrs_enabled($public_slug);
		$data['disable_oqrs'] = $this->config->item('disable_oqrs');
		$data['page_title'] = __("Public Search");
		$data['callsign'] = $callsign;
		$data['slug'] = $public_slug;
		if ($callsign != '') {
			$result = $this->publicsearch->search($public_slug, $callsign);
		}
		if (!empty($result) && $result->num_rows() > 0) {
			$data['results'] = $result;
			$this->load->view('visitor/layout/header', $data);
			$this->load->view('public_search/result.php', $data);
			$this->load->view('visitor/layout/footer');
		} else {
			$this->load->view('visitor/layout/header', $data);
			$this->load->view('public_search/empty.php', $data);
			$this->load->view('visitor/layout/footer');
		}
	}

	public function exportmap() {
		$slug = $this->security->xss_clean($this->uri->segment(3));
		$lastqso = $this->security->xss_clean($this->uri->segment(4));

		if (!empty($slug)) {
			if ($lastqso === "lastqso") {
				$this->load->model('visitor_model');
				$result = $this->visitor_model->getlastqsodate($slug)->row();
				header('Content-Type: application/json');
				echo json_encode($result);
				return;
			}

			$data['slug'] = $slug;

			$data['page_title'] = __("Export Map");
			$data['user_map_custom'] = $this->optionslib->get_map_custom(true, $slug);

			$this->load->view('visitor/exportmap/header', $data);
			$this->load->view('visitor/exportmap/exportmap', $data);
			$this->load->view('visitor/exportmap/footer');
		} else {
			redirect('user/login');
		}
	}

	public function mapqsos() {
		$this->load->model('visitor_model');

		if (!$this->load->is_loaded('Qra')) {
			$this->load->library('Qra');
		}

		$slug = $this->security->xss_clean($this->input->post('slug'));
		$qsocount = $this->security->xss_clean($this->input->post('qsocount')) == '' ? '100' : $this->security->xss_clean($this->input->post('qsocount'));
		$band = $this->security->xss_clean($this->input->post('band'));

		$this->load->model('stationsetup_model');
		$logbook_id = $this->stationsetup_model->public_slug_exists_logbook_id($slug);
		if ($logbook_id != false) {
			// Get associated station locations for mysql queries
			$logbooks_locations_array = $this->stationsetup_model->get_container_relations($logbook_id);

			if ($logbooks_locations_array[0] === -1) {
				show_404(__("Empty Logbook"));
			}
		} else {
			log_message('error', $slug . ' has no associated station locations');
			show_404(__("Unknown Public Page."));
			die;
		}

		$qsos = $this->visitor_model->get_qsos($qsocount, $logbooks_locations_array, $band);
		$userid = $this->stationsetup_model->public_slug_exists_userid($slug);
		$user_default_confirmation = $this->visitor_model->get_user_default_confirmation($userid);

		$mappedcoordinates = array();
		foreach ($qsos->result('array') as $qso) {
			if (!empty($qso['COL_MY_GRIDSQUARE']) || !empty($qso['COL_MY_VUCC_GRIDS'])) {
				if (!empty($qso['COL_GRIDSQUARE'])  || !empty($qso['COL_VUCC_GRIDS'])) {
					$mappedcoordinates[] = $this->calculate($qso, ($qso['COL_MY_GRIDSQUARE'] ?? '') == '' ? $qso['COL_MY_VUCC_GRIDS'] : $qso['COL_MY_GRIDSQUARE'], ($qso['COL_GRIDSQUARE'] ?? '') == '' ? $qso['COL_VUCC_GRIDS'] : $qso['COL_GRIDSQUARE'], $user_default_confirmation);
				} else {
					if (!empty($qso['lat'])  || !empty($qso['long'])) {
						$mappedcoordinates[] = $this->calculateCoordinates($qso, $qso['lat'], $qso['long'], ($qso['COL_MY_GRIDSQUARE'] ?? '') == '' ? $qso['COL_MY_VUCC_GRIDS'] : $qso['COL_MY_GRIDSQUARE'], $user_default_confirmation);
					}
				}
			}
		}

		header('Content-Type: application/json; charset=utf-8');
		echo json_encode($mappedcoordinates);
	}

	public function calculate($qso, $locator1, $locator2, $user_default_confirmation) {
		if (!$this->load->is_loaded('Qra')) {
			$this->load->library('Qra');
		}
		$this->load->model('logbook_model');
		$this->load->model('visitor_model');

		$latlng1 = $this->qra->qra2latlong($locator1);
		$latlng2 = $this->qra->qra2latlong($locator2);
		$latlng1[0] = number_format((float)$latlng1[0], 3, '.', '');;
		$latlng1[1] = number_format((float)$latlng1[1], 3, '.', '');;
		$latlng2[0] = number_format((float)$latlng2[0], 3, '.', '');;
		$latlng2[1] = number_format((float)$latlng2[1], 3, '.', '');;

		$data['latlng1'] = $latlng1;
		$data['latlng2'] = $latlng2;
		$data['confirmed'] = ($this->visitor_model->qso_is_confirmed($qso, $user_default_confirmation) == true) ? true : false;

		return $data;
	}

	public function calculateCoordinates($qso, $lat, $long, $mygrid, $user_default_confirmation) {
		if (!$this->load->is_loaded('Qra')) {
			$this->load->library('Qra');
		}
		$this->load->model('logbook_model');
		$this->load->model('visitor_model');

		$latlng1 = $this->qra->qra2latlong($mygrid);
		$latlng2[0] = $lat;
		$latlng2[1] = $long;
		$latlng1[0] = number_format((float)$latlng1[0], 3, '.', '');;
		$latlng1[1] = number_format((float)$latlng1[1], 3, '.', '');;
		$latlng2[0] = number_format((float)$latlng2[0], 3, '.', '');;
		$latlng2[1] = number_format((float)$latlng2[1], 3, '.', '');;

		$data['latlng1'] = $latlng1;
		$data['latlng2'] = $latlng2;
		$data['confirmed'] = ($this->visitor_model->qso_is_confirmed($qso, $user_default_confirmation) == true) ? true : false;

		return $data;
	}
}