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

class Debug extends CI_Controller
{
    function __construct()
    {
        parent::__construct();

        $this->load->model('user_model');
        if (!$this->user_model->authorize(2)) {
            $this->session->set_flashdata('notice', 'You\'re not allowed to do that!');
            redirect('dashboard');
        }

        $this->load->library('Permissions');
    }

    /* User Facing Links to Backup URLs */
    public function index()
    {
        $this->load->helper('file');

        $this->load->model('MigrationVersion');
        $this->load->model('Logbook_model');
        $this->load->model('Stations');

        $footerData = [];
        $footerData['scripts'] = ['assets/js/sections/debug.js'];

        $data['stations'] = $this->Stations->all();

        $data['qsos_with_no_station_id'] = $this->Logbook_model->check_for_station_id();
        if ($data['qsos_with_no_station_id']) {
            $data['calls_wo_sid'] = $this->Logbook_model->calls_without_station_id();
        }

        $data['migration_version'] = $this->MigrationVersion->getMigrationVersion();

        // Test writing to backup folder
        $backup_folder = $this->permissions->is_really_writable('backup');
        $data['backup_folder'] = $backup_folder;

        // Test writing to updates folder
        $updates_folder = $this->permissions->is_really_writable('updates');
        $data['updates_folder'] = $updates_folder;

        // Test writing to uploads folder
        $uploads_folder = $this->permissions->is_really_writable('uploads');
        $data['uploads_folder'] = $uploads_folder;

        // Check if userdata config is enabled
        $userdata_enabled = $this->config->item('userdata');
        $data['userdata_enabled'] = $userdata_enabled;

        if (isset($userdata_enabled)) {
            // Test writing to userdata folder if option is enabled
            $userdata_folder = $this->permissions->is_really_writable('userdata');
            $data['userdata_folder'] = $userdata_folder;

            // run the status check and return the array to the view
            $userdata_status = $this->check_userdata_status($userdata_folder);
            $data['userdata_status'] = $userdata_status;
        }

        $data['page_title'] = "Debug";

        $this->load->view('interface_assets/header', $data);
        $this->load->view('debug/index');
        $this->load->view('interface_assets/footer', $footerData);
    }

    function check_userdata_status($userdata_folder)
    {
        $this->load->model('debug_model');
        
        $status = array();

        // Check if the folder is writable
        if ($userdata_folder === true) {

            // Check if the qsl and eqsl folders are accessible and if there is any data the user could migrate
            $qsl_dir = $this->permissions->is_really_writable('assets/qslcard');
            $eqsl_dir = $this->permissions->is_really_writable('images/eqsl_card_images');

            $flag_file = $this->debug_model->check_migrated_flag();

            if ($qsl_dir && $eqsl_dir) {

                // Check for content of the qsl card folder other than *.html files
                $qsl_files = glob('assets/qslcard/*');
                $qsl_files_filtered = array_filter($qsl_files, function ($file) {
                    return !is_dir($file) && pathinfo($file, PATHINFO_EXTENSION) !== 'html';
                });

                // Check for content of the eqsl card folder other than *.html files
                $eqsl_files = glob('images/eqsl_card_images/*');
                $eqsl_files_filtered = array_filter($eqsl_files, function ($file) {
                    return !is_dir($file) && pathinfo($file, PATHINFO_EXTENSION) !== 'html';
                });

                // Set the status info
                if (!empty($qsl_files_filtered) || !empty($eqsl_files_filtered)) {
                    if (!$flag_file) {
                        $status['btn_class'] = '';
                        $status['btn_text'] = 'Migrate data now';
                    } else {
                        $status['btn_class'] = '';
                        $status['btn_text'] = 'Migration already done. Run again?';
                    }
                } else {
                    $status['btn_class'] = 'disabled';
                    $status['btn_text'] = 'No data to migrate';
                }
            } else {
                $status['btn_class'] = 'disabled';
                $status['btn_text'] = 'No migration possible';
            }
        } else {
            // If the folder is not writable, we don't need to continue
            $status['btn_class'] = 'disabled';
            $status['btn_text'] = 'No migration possible';
        }

        return $status;
    }

    public function reassign()
    {
        $this->load->model('Logbook_model');
        $this->load->model('Stations');

        $call = xss_clean(($this->input->post('call')));
        $qsoids = xss_clean(($this->input->post('qsoids')));
        $station_profile_id = xss_clean(($this->input->post('station_id')));

        log_message('debug', 'station_profile_id:', $station_profile_id);
        // Check if target-station-id exists
        $allowed = false;
        $status = false;
        $stations = $this->Stations->all();
        foreach ($stations->result() as $station) {
            if ($station->station_id == $station_profile_id) {
                $allowed = true;
            }
        }
        if ($allowed) {
            $status = $this->Logbook_model->update_station_ids($station_profile_id, $call, $qsoids);
        } else {
            $status = false;
        }

        header('Content-Type: application/json');
        echo json_encode(array('status' => $status));
        return;
    }

    public function migrate_userdata()
    {
        // Check if users logged in
        $this->load->model('user_model');
        if ($this->user_model->validate_session() == 0) {
            // user is not logged in
            redirect('user/login');
        } else {
            $this->load->model('debug_model');
            $migrate = $this->debug_model->migrate_userdata();

            if ($migrate == true) {
                $this->session->set_flashdata('success', 'File Migration was successfull, but please check also manually. If everything seems right you can delete the folders "assets/qslcard" and "images/eqsl_card_images".');
                redirect('debug');
            } else {
                $this->session->set_flashdata('error', 'File Migration failed. Please check the Error Log.');
                redirect('debug');
            }
        }
    }
}