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

class QSO extends CI_Controller {

	function __construct() {
		parent::__construct();
		$this->load->model('user_model');
		if(!$this->user_model->authorize(2)) { $this->session->set_flashdata('error', __("You're not allowed to do that!")); redirect('dashboard'); }

		$last_qso_count = empty($this->session->userdata('qso_page_last_qso_count')) ? QSO_PAGE_DEFAULT_QSOS_COUNT : $this->session->userdata('qso_page_last_qso_count');
		$this->session->set_userdata('qso_page_last_qso_count', $last_qso_count);
	}

	public function index() {
		$this->load->model('cat');
		$this->load->library('qra');
		$this->load->model('stations');
		$this->load->model('logbook_model');
		$this->load->model('user_model');
		$this->load->model('usermodes');
		$this->load->model('bands');
		if(!$this->user_model->authorize(2)) { $this->session->set_flashdata('error', __("You're not allowed to do that!")); redirect('dashboard'); }

		// Getting the live/post mode from GET command
		// 0 = live
		// 1 = post (manual)
		$get_manual_mode = $this->input->get('manual', TRUE);
		if ($get_manual_mode == '0' || $get_manual_mode == '1') {
			$data['manual_mode'] = $get_manual_mode;
		} else {
			show_404();
		}

		if ($this->stations->check_station_is_accessible($this->session->userdata('station_profile_id') ?? 0)) {	// Last Station from session accessible? Take it!
			$data['active_station_profile'] = $this->session->userdata('station_profile_id');
		} else {
			$data['active_station_profile'] =$this->stations->find_active();
		}

		$data['notice'] = false;
		$data['stations'] = $this->stations->all_of_user();
		$data['radios'] = $this->cat->radios(true);
		$data['radio_last_updated'] = $this->cat->last_updated()->row();
		$data['query'] = $this->logbook_model->last_custom($this->session->userdata('qso_page_last_qso_count'));
		$data['dxcc'] = $this->logbook_model->fetchDxcc();
		$data['iota'] = $this->logbook_model->fetchIota();
		$data['modes'] = $this->usermodes->active();
		$data['bands'] = $this->bands->get_user_bands_for_qso_entry();
		[$data['lat'], $data['lng']] = $this->qra->qra2latlong($this->stations->gridsquare_from_station($this->stations->find_active()));
		$data['user_default_band'] = $this->session->userdata('user_default_band');
		$data['sat_active'] = array_search("SAT", $this->bands->get_user_bands(), true);

		$qkey_opt=$this->user_options_model->get_options('qso_tab',array('option_name'=>'iota','option_key'=>'show'))->result();
		if (count($qkey_opt)>0) {
			$data['user_iota_to_qso_tab'] = $qkey_opt[0]->option_value;
		} else {
			$data['user_iota_to_qso_tab'] = 0;
		}

		$qkey_opt=$this->user_options_model->get_options('qso_tab',array('option_name'=>'sota','option_key'=>'show'))->result();
		if (count($qkey_opt)>0) {
			$data['user_sota_to_qso_tab'] = $qkey_opt[0]->option_value;
		} else {
			$data['user_sota_to_qso_tab'] = 0;
		}

		$qkey_opt=$this->user_options_model->get_options('qso_tab',array('option_name'=>'wwff','option_key'=>'show'))->result();
		if (count($qkey_opt)>0) {
			$data['user_wwff_to_qso_tab'] = $qkey_opt[0]->option_value;
		} else {
			$data['user_wwff_to_qso_tab'] = 0;
		}

		$qkey_opt=$this->user_options_model->get_options('qso_tab',array('option_name'=>'pota','option_key'=>'show'))->result();
		if (count($qkey_opt)>0) {
			$data['user_pota_to_qso_tab'] = $qkey_opt[0]->option_value;
		} else {
			$data['user_pota_to_qso_tab'] = 0;
		}

		$qkey_opt=$this->user_options_model->get_options('qso_tab',array('option_name'=>'sig','option_key'=>'show'))->result();
		if (count($qkey_opt)>0) {
			$data['user_sig_to_qso_tab'] = $qkey_opt[0]->option_value;
		} else {
			$data['user_sig_to_qso_tab'] = 0;
		}

		$qkey_opt=$this->user_options_model->get_options('qso_tab',array('option_name'=>'dok','option_key'=>'show'))->result();
		if (count($qkey_opt)>0) {
			$data['user_dok_to_qso_tab'] = $qkey_opt[0]->option_value;
		} else {
			$data['user_dok_to_qso_tab'] = 0;
		}

		$qkey_opt=$this->user_options_model->get_options('qso_tab',array('option_name'=>'station','option_key'=>'show'))->result();
		if (count($qkey_opt)>0) {
			$data['user_station_to_qso_tab'] = $qkey_opt[0]->option_value;
		} else {
			$data['user_station_to_qso_tab'] = 0;
		}

		$qkey_opt = $this->user_options_model->get_options('qso_tab', array('option_name' => 'map', 'option_key' => 'show'))->result();
		if (count($qkey_opt) > 0) {
			$data['user_qso_show_map'] = $qkey_opt[0]->option_value;
		} else {
			$data['user_qso_show_map'] = 1; // default: show map
		}

		// Get status of DX Waterfall enable option
		$qkey_opt=$this->user_options_model->get_options('dxwaterfall',array('option_name'=>'enable','option_key'=>'boolean'))->result();
		if (count($qkey_opt)>0) {
			$data['user_dxwaterfall_enable'] = $qkey_opt[0]->option_value;
			$data['dxcluster_default_decont'] = $this->optionslib->get_option('dxcluster_decont') ?? 'EU';
			$data['dxcluster_default_maxage'] = $this->optionslib->get_option('dxcluster_maxage') ?? 60;
		} else {
			$data['user_dxwaterfall_enable'] = 0;

			// default but not used, prevent unset variable, without the need of a db call
			$data['dxcluster_default_decont'] = 'EU';
			$data['dxcluster_default_maxage'] = 60;
		}

		$data['qso_count'] = $this->session->userdata('qso_page_last_qso_count');

		$this->load->library('form_validation');

		$this->form_validation->set_rules('start_date', 'Date', 'required');
		$this->form_validation->set_rules('start_time', 'Time', 'required');
		$this->form_validation->set_rules('callsign', 'Callsign', 'required');
		$this->form_validation->set_rules('band', 'Band', 'required');
		$this->form_validation->set_rules('mode', 'Mode', 'required');
		$this->form_validation->set_rules('locator', 'Locator', 'callback_check_locator');

		// [eQSL default msg] GET user options (option_type='eqsl_default_qslmsg'; option_name='key_station_id'; option_key=station_id) //
		$options_object = $this->user_options_model->get_options('eqsl_default_qslmsg',array('option_name'=>'key_station_id','option_key'=>$data['active_station_profile']))->result();
		$data['qslmsg'] = (isset($options_object[0]->option_value))?$options_object[0]->option_value:'';

		$footerData = [];
		$footerData['scripts'] = [
			'assets/js/leaflet/geocoding.js',
		];

		if ($this->form_validation->run() == FALSE) {
			$data['page_title'] = __("Add QSO");
			if (validation_errors() != '') {	// we're coming from a failed ajax-call
				echo json_encode(array('message' => 'Error','errors' => validation_errors()));
			} else {	// we're not coming from a POST
				$this->load->view('interface_assets/header', $data);
				$this->load->view('qso/index');
				$this->load->view('interface_assets/footer', $footerData);
			}
		} else {
			// Store Basic QSO Info for reuse
			// Put data in an array first, then call set_userdata once.
			// This solves the problem of CI dumping out the session
			// cookie each time set_userdata is called.
			// For more info, see http://bizhole.com/codeigniter-nginx-error-502-bad-gateway/
			// $qso_data = [
			// 18-Jan-2016 - make php v5.3 friendly!
			$qso_data = array(
				'start_date' => $this->input->post('start_date', TRUE),
				'start_time' => $this->input->post('start_time', TRUE),
				'end_time' => $this->input->post('end_time'),
				'time_stamp' => time(),
				'mail' => $this->input->post('mail', TRUE),
				'band' => $this->input->post('band', TRUE),
				'band_rx' => $this->input->post('band_rx', TRUE),
				'freq' => $this->input->post('freq_display', TRUE),
				'freq_rx' => $this->input->post('freq_display_rx', TRUE),
				'mode' => $this->input->post('mode', TRUE),
				'sat_name' => $this->input->post('sat_name', TRUE),
				'sat_mode' => $this->input->post('sat_mode', TRUE),
				'prop_mode' => $this->input->post('prop_mode', TRUE),
				'radio' => $this->input->post('radio', TRUE),
				'station_profile_id' => $this->input->post('station_profile', TRUE),
				'operator_callsign' => $this->input->post('operator_callsign', TRUE) ?? $this->session->userdata('operator_callsign'),
				'transmit_power' => $this->input->post('transmit_power', TRUE)
			);
			// ];

			$this->session->set_userdata($qso_data);

			// If SAT name is set make it session set to sat
			if($this->input->post('sat_name', TRUE)) {
				$this->session->set_userdata('prop_mode', 'SAT');
			}

			// Add QSO
			// $this->logbook_model->add();
			//change to create_qso function as add and create_qso duplicate functionality
			$saveresult = json_decode($this->saveqso(), true);

			// Clear POST data to prevent re-submission on page reload
			$_POST = [];
			$this->form_validation->reset_validation();

			$returner=[];
			$actstation=$this->stations->find_active() ?? '';
			$returner['activeStationId'] = $actstation;
			$profile_info = $this->stations->profile($actstation)->row();
			$returner['activeStationTXPower'] = xss_clean($profile_info->station_power ?? '');
			$returner['activeStationOP'] = xss_clean($this->session->userdata('operator_callsign'));
			$returner['message']='success';

			// Include ADIF for WebSocket transmission
			if (isset($saveresult['adif'])) {
				$returner['adif'] = $saveresult['adif'];
			}

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

	/*
	 * This is used for contest-logging and the ajax-call
	 * Returns JSON
	 */
	public function saveqso() {
		// CSRF mitigation: this endpoint is AJAX-only; reject plain form submissions
		if ($this->input->server('HTTP_X_REQUESTED_WITH') !== 'XMLHttpRequest') {
			$this->output->set_status_header(403)
			             ->set_content_type('application/json')
			             ->set_output(json_encode(['error' => 'Forbidden']));
			return;
		}

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

		$qso_data = [
			'manual' => $this->input->get('manual', TRUE),
			'start_date' => $this->input->post('start_date', TRUE),
			'start_time' => $this->input->post('start_time', TRUE),
			'end_time' => $this->input->post('end_time', TRUE),
			'callsign' => $this->input->post('callsign', TRUE),
			'prop_mode' => $this->input->post('prop_mode', TRUE) ?? '',
			'email' => $this->input->post('email', TRUE) ?? NULL,
			'region' => $this->input->post('region', TRUE) ?? NULL,
			'sat_name' => $this->input->post('sat_name', TRUE) ?? NULL,
			'exchangetype' => $this->input->post('exchangetype', TRUE) ?? NULL,
			'exch_rcvd' => $this->input->post('exch_rcvd', TRUE) ?? NULL,
			'exch_sent' => $this->input->post('exch_sent', TRUE) ?? NULL,
			'exch_serial_r' => $this->input->post('exch_serial_r', TRUE) ?? NULL,
			'exch_serial_s' => $this->input->post('exch_serial_s', TRUE) ?? NULL,
			'contestname' => $this->input->post('contestname', TRUE) ?? NULL,
			'transmit_power' => $this->input->post('transmit_power', TRUE) ?? NULL,
			'radio' => $this->input->post('radio', TRUE) ?? 0,
			'radio_ws_name' => $this->input->post('radio_ws_name', TRUE) ?? '',
			'country' => $this->input->post('country', TRUE) ?? NULL,
			'cqz' => $this->input->post('cqz', TRUE) ?? NULL,
			'dxcc_id' => $this->input->post('dxcc_id', TRUE) ?? NULL,
			'continent' => $this->input->post('continent', TRUE) ?? NULL,
			'mode' => $this->input->post('mode', TRUE) ?? NULL,
			'county' => $this->input->post('county', TRUE) ?? NULL,
			'input_state' => $this->input->post('input_state', TRUE) ?? NULL,
			'ant_az' => $this->input->post('ant_az', TRUE) ?? NULL,
			'ant_el' => $this->input->post('ant_el', TRUE) ?? NULL,
			'ant_path' => $this->input->post('ant_path', TRUE) ?? NULL,
			'darc_dok' => $this->input->post('darc_dok', TRUE) ?? NULL,
			'locator' => $this->input->post('locator', TRUE) ?? NULL,
			'qth' => $this->input->post('qth', TRUE) ?? NULL,
			'name' => $this->input->post('name', TRUE) ?? NULL,
			'copyexchangeto' => $this->input->post('copyexchangeto', TRUE) ?? NULL,
			'qsl_sent' => $this->input->post('qsl_sent', TRUE) ?? 'N',
			'qsl_rcvd' => $this->input->post('qsl_rcvd', TRUE) ?? 'N',
			'band' => $this->input->post('band', TRUE) ?? NULL,
			'band_rx' => $this->input->post('band_rx', TRUE) ?? NULL,
			'freq_display' => $this->input->post('freq_display', TRUE) ?? NULL,
			'rst_rcvd' => $this->input->post('rst_rcvd', TRUE) ?? NULL,
			'rst_sent' => $this->input->post('rst_sent', TRUE) ?? NULL,
			'comment' => $this->input->post('comment', TRUE) ?? NULL,
			'sat_name' => $this->input->post('sat_name', TRUE) ?? NULL,
			'sat_mode' => $this->input->post('sat_mode', TRUE) ?? NULL,
			'qsl_sent_method' => $this->input->post('qsl_sent_method', TRUE) ?? NULL,
			'qsl_rcvd_method' => $this->input->post('qsl_rcvd_method', TRUE) ?? NULL,
			'qsl_via' => $this->input->post('qsl_via', TRUE) ?? NULL,
			'qslmsg' => $this->input->post('qslmsg', TRUE) ?? NULL,
			'operator_callsign' => $this->input->post('operator_callsign', TRUE) ?? NULL,
			'iota_ref' => $this->input->post('iota_ref', TRUE) ?? NULL,
			'freq_display_rx' => $this->input->post('freq_display_rx', TRUE) ?? NULL,
			'ituz' => $this->input->post('ituz', TRUE) ?? NULL,
			'sota_ref' => $this->input->post('sota_ref', TRUE) ?? NULL,
			'wwff_ref' => $this->input->post('wwff_ref', TRUE) ?? NULL,
			'pota_ref' => $this->input->post('pota_ref', TRUE) ?? NULL,
			'sig' => $this->input->post('sig', TRUE) ?? NULL,
			'sig_info' => $this->input->post('sig_info', TRUE) ?? NULL,
			'notes' => $this->input->post('notes', TRUE) ?? NULL,
			'station_profile' => $this->input->post('station_profile', TRUE) ?? NULL,
			'isSFLE' => $this->input->post('isSFLE', TRUE) ?? NULL,
			'distance' => $this->input->post('distance', TRUE) ?? TRUE
		];

		$result = $this->logbook_model->create_qso($qso_data);

		return json_encode($result, JSON_PRETTY_PRINT);
	}

	function edit() {

		$this->load->model('logbook_model');
		$this->load->model('user_model');
		$this->load->model('modes');
		if(!$this->user_model->authorize(2)) { $this->session->set_flashdata('error', __("You're not allowed to do that!")); redirect('dashboard'); }
		$query = $this->logbook_model->qso_info($this->uri->segment(3));

		$this->load->library('form_validation');

		$this->form_validation->set_rules('time_on', 'Start Date', 'required');
		$this->form_validation->set_rules('time_off', 'End Date', 'required');
		$this->form_validation->set_rules('callsign', 'Callsign', 'required');

		$data['qso'] = $query->row();
		$data['dxcc'] = $this->logbook_model->fetchDxcc();
		$data['iota'] = $this->logbook_model->fetchIota();
		$data['modes'] = $this->modes->all();

		if ($this->form_validation->run() == FALSE) {
			$this->load->view('qso/edit', $data);
		} else {
			$edit_result=$this->logbook_model->edit();
			if ($edit_result['success']) {
				$this->session->set_flashdata('notice', 'Record Updated');
			} else {
				$this->session->set_flashdata('notice', 'Record not Updated');
			}
			$this->load->view('qso/edit_done');
		}
	}

	function winkeysettings() {
		$this->load->model('user_options_model');

		$cwmacros = [];
		for ($i = 1; $i <= 10; $i++) {
			$row = $this->user_options_model
				->get_options('cwmacros', ['option_name' => "macro{$i}"])
				->row();

			$decoded = json_decode($row->option_value ?? '');

			$name  = isset($decoded->name) ? $decoded->name : '';
			$macro = isset($decoded->macro) ? $decoded->macro : '';

			$cwmacros["macro{$i}"] = [
				'name'  => $name,
				'macro' => $macro,
			];
		}

		// Check if all are empty
		$allEmpty = true;
		foreach ($cwmacros as $macro) {
			if (!empty($macro['name']) || !empty($macro['macro'])) {
				$allEmpty = false;
				break;
			}
		}

		// Apply defaults to first 5 if all are empty
		if ($allEmpty) {
			$cwmacros['macro1'] = ['name' => 'CQ',   'macro' => 'CQ CQ CQ DE [MYCALL] [MYCALL] K'];
			$cwmacros['macro2'] = ['name' => 'REPT', 'macro' => '[CALL] DE [MYCALL] [RSTS] [RSTS] K'];
			$cwmacros['macro3'] = ['name' => 'TU',   'macro' => '[CALL] TU 73 DE [MYCALL] K'];
			$cwmacros['macro4'] = ['name' => 'QRZ',  'macro' => 'QRZ DE [MYCALL] K'];
			$cwmacros['macro5'] = ['name' => 'TEST', 'macro' => 'TEST DE [MYCALL] K'];
		}

		$this->load->view('qso/components/winkeysettings', $cwmacros);
	}


	function cwmacrosave(){
		$this->load->model('user_options_model');
		for ($i = 1; $i <= 10; $i++) {
			$data = [
				'name'  => $this->input->post("function{$i}_name", TRUE),
				'macro' => $this->input->post("function{$i}_macro", TRUE),
			];

			$this->user_options_model->set_option('cwmacros', "macro{$i}", array("macro{$i}" => json_encode($data)));
		}

		echo "Macros Saved, Press Close and lets get sending!";
	}

	function cwmacros_json() {
		$this->load->model('user_options_model');

		$cwmacros = [];
		for ($i = 1; $i <= 10; $i++) {
			$row = $this->user_options_model
				->get_options('cwmacros', ['option_name' => "macro{$i}"])
				->row();

			// Decode JSON stored in option_value
			$decoded = json_decode($row->option_value ?? '');

			// Make sure it's an object (in case it's null)
			$name  = isset($decoded->name) ? $decoded->name : '';
			$macro = isset($decoded->macro) ? $decoded->macro : '';

			$cwmacros["macro{$i}"] = [
				'name'  => $name,
				'macro' => $macro,
			];
		}

		// Build the JSON result structure
		$result = [];
		$i = 1;
		foreach ($cwmacros as $macro) {
			$result["function{$i}_name"]  = $macro['name'];
			$result["function{$i}_macro"] = $macro['macro'];
			$i++;
		}

		// Output as JSON
		header('Content-Type: application/json; charset=utf-8');
		echo json_encode($result, JSON_PRETTY_PRINT);

	}

	function edit_ajax() {

		$this->load->model('logbook_model');
		$this->load->model('user_model');
		$this->load->model('modes');
		$this->load->model('bands');
		$this->load->model('contesting_model');

		$this->load->library('form_validation');

		if(!$this->user_model->authorize(2)) {
			$this->session->set_flashdata('error', __("You're not allowed to do that!")); redirect('dashboard');
		}

		$id = str_replace('"', "", $this->input->post("id", TRUE));
		$query = $this->logbook_model->qso_info($id);

		$data['qso'] = $query->row();
		$data['dxcc'] = $this->logbook_model->fetchDxcc();
		$data['iota'] = $this->logbook_model->fetchIota();
		$data['modes'] = $this->modes->all();
		$data['bands'] = $this->bands->get_user_bands_for_qso_entry(true);
		$data['contest'] = $this->contesting_model->getActivecontests();

		$this->load->view('qso/edit_ajax', $data);
	}

	function qso_save_ajax() {
		$this->load->library('form_validation');
		$this->load->model('logbook_model');
		$this->load->model('user_model');
		if(!$this->user_model->authorize(2)) {
			$this->session->set_flashdata('error', __("You're not allowed to do that!")); redirect('dashboard');
		}
		$this->form_validation->set_rules('time_on', 'Start Date', 'required');
		$this->form_validation->set_rules('time_off', 'End Date', 'required');
		$this->form_validation->set_rules('id', 'qso ID', 'required');

		$edit_result=array();
		$edit_result['success']=false;
		if ($this->form_validation->run()) {
			$edit_result=$this->logbook_model->edit();
		} else {
			if (validation_errors() != '') {
				$edit_result['detail']=validation_errors();
			}
			$edit_result['success']=false;
		}
		header('Content-Type: application/json');
		echo json_encode($edit_result);
	}

	function qsl_rcvd($id, $method) {
		$this->load->model('logbook_model');
		$this->load->model('user_model');
		if(!$this->user_model->authorize(2)) { $this->session->set_flashdata('error', __("You're not allowed to do that!")); redirect('dashboard'); }

		// Update Logbook to Mark Paper Card Received

		$this->logbook_model->paperqsl_update($id, $method);

		$this->session->set_flashdata('notice', 'QSL Card: Marked as Received');

		redirect('logbook');
	}

	function qsl_rcvd_ajax() {
		$id = str_replace('"', "", $this->input->post("id", TRUE));
		$method = str_replace('"', "", $this->input->post("method", TRUE));

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

		header('Content-Type: application/json');

		if(!$this->user_model->authorize(2)) {
			echo json_encode(array('message' => 'Error'));

		}
		else {
			// Update Logbook to Mark Paper Card Received
			$this->logbook_model->paperqsl_update($id, $method);

			echo json_encode(array('message' => 'OK'));
		}
	}

	function qsl_sent_ajax() {
		$id = str_replace('"', "", $this->input->post("id", TRUE));
		$method = str_replace('"', "", $this->input->post("method", TRUE));

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

		header('Content-Type: application/json');

		if(!$this->user_model->authorize(2)) {
			echo json_encode(array('message' => 'Error'));

		}
		else {
			// Update Logbook to Mark Paper Card Sent
			$this->logbook_model->paperqsl_update_sent($id, $method);

			echo json_encode(array('message' => 'OK'));
		}
	}

	function qsl_requested_ajax() {
		$id = str_replace('"', "", $this->input->post("id", TRUE));
		$method = str_replace('"', "", $this->input->post("method", TRUE));

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

		header('Content-Type: application/json');

		if(!$this->user_model->authorize(2)) {
			echo json_encode(array('message' => 'Error'));

		}
		else {
			// Update Logbook to Mark Paper Card Received
			$this->logbook_model->paperqsl_requested($id, $method);

			echo json_encode(array('message' => 'OK'));
		}
	}

	function qsl_ignore_ajax() {
		$id = str_replace('"', "", $this->input->post("id", TRUE));
		$method = str_replace('"', "", $this->input->post("method", TRUE));

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

		header('Content-Type: application/json');

		if(!$this->user_model->authorize(2)) {
			echo json_encode(array('message' => 'Error'));

		}
		else {
			// Update Logbook to Mark Paper Card Received
			$this->logbook_model->paperqsl_ignore($id, $method);

			echo json_encode(array('message' => 'OK'));
		}
	}

	/* Delete QSO */
	function delete() {
		// CSRF mitigation: reject non-POST requests
		if ($this->input->method() !== 'post') {
			$this->session->set_flashdata('error', __("Invalid request method"));
			redirect('dashboard');
			return;
		}

		$id = $this->input->post('id', TRUE);
		if (empty($id)) {
			redirect('dashboard');
			return;
		}

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

		if ($this->logbook_model->check_qso_is_accessible($id)) {
			$this->logbook_model->delete($id);
			$this->session->set_flashdata('notice', 'QSO Deleted Successfully');
			$data['message_title'] = "Deleted";
			$data['message_contents'] = "QSO Deleted Successfully";
			$this->load->view('messages/message', $data);
		}
	}

	/* Delete QSO */
	function delete_ajax() {
		$id = str_replace('"', "", $this->input->post("id", TRUE));

		$this->load->model('logbook_model');
		if ($this->logbook_model->check_qso_is_accessible($id)) {
			$this->logbook_model->delete($id);
			header('Content-Type: application/json');
			echo json_encode(array('message' => 'OK'));
		} else {
			header('Content-Type: application/json');
			echo json_encode(array('message' => 'not allowed'));
		}
		return;
	}


	function band_to_freq($band, $mode) {

		if ($band != null and $band != 'null') {
			echo $this->frequency->convert_band($band, $mode);
		}

	}

	/*
	 * Function is used for autocompletion of SOTA in the QSO entry form
	 */
	public function get_sota() {
		$this->load->library('sota');
		$json = [];

		$query = $this->input->get('query', TRUE) ?? FALSE;
		$json = $this->sota->get($query);

		header('Content-Type: application/json');
		echo json_encode($json);
	}

	public function get_wwff() {
		$json = [];

		$query = $this->input->get('query', TRUE) ?? FALSE;
		$wwff = strtoupper($query);

		$file = 'updates/wwff.txt';

		if (is_readable($file)) {
			$lines = file($file, FILE_IGNORE_NEW_LINES);
			$input = preg_quote($wwff, '~');
			$reg = '~^'. $input .'(.*)$~';
			$result = preg_grep($reg, $lines);
			$json = [];
			$i = 0;
			foreach ($result as &$value) {
				// Limit to 100 as to not slowdown browser too much
				if (count($json) <= 100) {
					$json[] = ["name"=>$value];
				}
			}
		} else {
			$src = 'assets/resources/wwff.txt';
			if (copy($src, $file)) {
				$this->get_wwff();
			} else {
				log_message('error', 'Failed to copy source file ('.$src.') to new location. Check if this path has the right permission: '.$file);
			}
		}

		header('Content-Type: application/json');
		echo json_encode($json);
	}

	public function get_pota() {
		$json = [];

		$query = $this->input->get('query', TRUE) ?? FALSE;
		$pota = strtoupper($query);

		$file = 'updates/pota.txt';

		if (is_readable($file)) {
			$lines = file($file, FILE_IGNORE_NEW_LINES);
			$input = preg_quote($pota, '~');
			$reg = '~^'. $input .'(.*)$~';
			$result = preg_grep($reg, $lines);
			$json = [];
			$i = 0;
			foreach ($result as &$value) {
				// Limit to 100 as to not slowdown browser too much
				if (count($json) <= 100) {
					$json[] = ["name"=>$value];
				}
			}
		} else {
			$src = 'assets/resources/pota.txt';
			if (copy($src, $file)) {
				$this->get_pota();
			} else {
				log_message('error', 'Failed to copy source file ('.$src.') to new location. Check if this path has the right permission: '.$file);
			}
		}

		header('Content-Type: application/json');
		echo json_encode($json);
	}

	/*
	 * Function is used for autocompletion of DOK in the QSO entry form
	 */
	public function get_dok() {
		$json = [];

		$query = $this->input->get('query', TRUE) ?? FALSE;
		$dok = strtoupper($query);

		$file = 'updates/dok.txt';

		if (is_readable($file)) {
			$lines = file($file, FILE_IGNORE_NEW_LINES);
			$input = preg_quote($dok, '~');
			$reg = '~^'. $input .'(.*)$~';
			$result = preg_grep($reg, $lines);
			$json = [];
			$i = 0;
			foreach ($result as &$value) {
				// Limit to 100 as to not slowdown browser too much
				if (count($json) <= 100) {
					$json[] = ["name"=>$value];
				}
			}
		} else {
			$src = 'assets/resources/dok.txt';
			if (copy($src, $file)) {
				$this->get_dok();
			} else {
				log_message('error', 'Failed to copy source file ('.$src.') to new location. Check if this path has the right permission: '.$file);
			}
		}

		header('Content-Type: application/json');
		echo json_encode($json);
	}

	public function get_sota_info() {
		$this->load->library('sota');

		$sota = $this->input->post('sota', TRUE);

		header('Content-Type: application/json');
		echo $this->sota->info($sota);
	}

	public function get_wwff_info() {
		$this->load->library('wwff');

		$wwff = $this->input->post('wwff', TRUE);

		header('Content-Type: application/json');
		echo $this->wwff->info($wwff);
	}

	public function get_pota_info() {
		$this->load->library('pota');

		$pota = $this->input->post('pota', TRUE);

		header('Content-Type: application/json');
		echo $this->pota->info($pota);
	}

	public function get_station_power() {
		$this->load->model('stations');
		$this->load->library('qra');
		$stationProfile = $this->input->post('stationProfile', TRUE);
		$result = $this->stations->get_station_power($stationProfile);
		$data['station_power'] = $result['station_power'];
		$data['station_callsign'] = $result['station_callsign'];
		[$data['lat'], $data['lng']] = $this->qra->qra2latlong($this->stations->gridsquare_from_station($stationProfile));

		header('Content-Type: application/json');
		echo json_encode($data);
	}

	// Return Previous QSOs Made in the active logbook
	public function component_past_contacts() {
		$this->load->library('Qra');
		if(!$this->user_model->authorize(2)) { $this->session->set_flashdata('error', __("You're not allowed to do that!")); redirect('dashboard'); }
		$this->load->model('logbook_model');
		session_write_close();

		$data['query'] = $this->logbook_model->last_custom($this->session->userdata('qso_page_last_qso_count'));

		// Load view
		$this->load->view('qso/components/previous_contacts', $data);
	}

	public function get_eqsl_default_qslmsg() {	// Get ONLY Default eQSL-Message with this function. This is ONLY for QSO relevant!
		$return_json = array();
		$option_key = $this->input->post('option_key', TRUE);
		if ($option_key > 0) {
			$options_object = $this->user_options_model->get_options('eqsl_default_qslmsg', array('option_name' => 'key_station_id', 'option_key' => $option_key))->result();
			$return_json['eqsl_default_qslmsg'] = (isset($options_object[0]->option_value)) ? $options_object[0]->option_value : '';
		}
		header('Content-Type: application/json');
		echo json_encode($return_json);
	}

	public function unsupported_lotw_prop_modes() {
		echo json_encode($this->config->item('lotw_unsupported_prop_modes'));
	}

	function check_locator($grid) {
		$grid = $this->input->post('locator', TRUE);
		// Allow empty locator
		if (preg_match('/^$/', $grid)) return true;
		// Allow 6-digit locator
		if (preg_match('/^[A-Ra-r]{2}[0-9]{2}[A-Xa-x]{2}$/', $grid)) return true;
		// Allow 4-digit locator
		else if (preg_match('/^[A-Ra-r]{2}[0-9]{2}$/', $grid)) return true;
		// Allow 4-digit grid line
		else if (preg_match('/^[A-Ra-r]{2}[0-9]{2},[A-Ra-r]{2}[0-9]{2}$/', $grid)) return true;
		// Allow 4-digit grid corner
		else if (preg_match('/^[A-Ra-r]{2}[0-9]{2},[A-Ra-r]{2}[0-9]{2},[A-Ra-r]{2}[0-9]{2},[A-Ra-r]{2}[0-9]{2}$/', $grid)) return true;
		// Allow 2-digit locator
		else if (preg_match('/^[A-Ra-r]{2}$/', $grid)) return true;
		// Allow 8-digit locator
		else if (preg_match('/^[A-Ra-r]{2}[0-9]{2}[A-Xa-x]{2}[0-9]{2}$/', $grid)) return true;
		// Allow 10-digit locator
		else if (preg_match('/^[A-Ra-r]{2}[0-9]{2}[A-Xa-x]{2}[0-9]{2}[A-Xa-x]{2}$/', $grid)) return true;
		else {
			$this->form_validation->set_message('check_locator', 'Please check value for grid locator ('.strtoupper($grid).').');
			return false;
		}
	}

	/**
	 * Open the API url which causes the browser to open the QSO live logging and populate the callsign with the data from the API
	 *
	 * Usage example:
	 * 			https://<URL to Wavelog>/index.php/qso/log_qso?callsign=4W7EST
	 */

	function log_qso() {
		// Check if users logged in
		$this->load->model('user_model');
		if ($this->user_model->validate_session() == 0) {
			// user is not logged in
			$this->session->set_flashdata('warning', __("You have to be logged in to access this URL."));
			redirect('user/login');
		}

		// get the data from the API
		$data['callsign'] = $this->input->get('callsign', TRUE);
		$data['page_title'] = __("Call Transfer");

		// load the QSO redirect page
		if ($data['callsign'] != "") {
			$this->load->view('interface_assets/header', $data);
			$this->load->view('qso/log_qso');
		} else {
			$this->session->set_flashdata('warning', __("No callsign provided."));
			redirect('dashboard');
		}
	}

	/**
	 * Easy modal Loader
	 * Used for Share Modal in QSO Details view
	 */
	function getShareModal() {

		$data['qso'] = $this->input->post('qso_data', TRUE);

		if (empty($data['qso'])) {
			echo "No QSO data provided.";
			return;
		}

		$this->load->view('qso/components/share_modal', $data, false);
	}

	function getAwardTabs() {
		$this->load->view('qso/award_tabs');
	}
}
