/**
 * @param $print_flag
 */
function calculate_page_content($print_flag)
{
    $specmanagement_database_api = new specmanagement_database_api();
    $specmanagement_print_api = new specmanagement_print_api();
    $specmanagement_editor_api = new specmanagement_editor_api();
    $version_id = $_POST['version_id'];
    $version_spec_bug_ids = $specmanagement_database_api->get_version_spec_bugs(version_get_field($version_id, 'version'));
    if (!is_null($version_spec_bug_ids)) {
        /** get bug and work package data */
        $plugin_version_obj = $specmanagement_database_api->get_plugin_version_row_by_version_id($version_id);
        $p_version_id = $plugin_version_obj[0];
        foreach ($version_spec_bug_ids as $version_spec_bug_id) {
            $p_source_row = $specmanagement_database_api->get_source_row($version_spec_bug_id);
            if (is_null($p_source_row[2])) {
                $specmanagement_database_api->update_source_row($version_spec_bug_id, $p_version_id, '');
            }
        }
        $work_packages = $specmanagement_database_api->get_document_spec_workpackages($p_version_id);
        asort($work_packages);
        $no_work_package_bug_ids = $specmanagement_database_api->get_workpackage_spec_bugs($p_version_id, '');
        /** get type options */
        $type_string = $specmanagement_database_api->get_type_string($specmanagement_database_api->get_type_by_version($version_id));
        $type_id = $specmanagement_database_api->get_type_id($type_string);
        $type_row = $specmanagement_database_api->get_type_row($type_id);
        $type_options = explode(';', $type_row[2]);
        /** generate and print page content */
        $specmanagement_editor_api->print_document_head($type_string, $version_id, $version_spec_bug_ids, $print_flag);
        if ($type_options[2] == '1') {
            $specmanagement_editor_api->print_directory($p_version_id, $work_packages, $no_work_package_bug_ids, $type_options[0], $print_flag);
        }
        $specmanagement_editor_api->print_editor_table_head($print_flag);
        $specmanagement_editor_api->generate_content($p_version_id, $work_packages, $no_work_package_bug_ids, $type_options[0], true, $print_flag);
        echo '</table>';
        if ($type_options[1] == '1') {
            $specmanagement_editor_api->print_expenses_overview($work_packages, $p_version_id, $print_flag, $no_work_package_bug_ids);
        }
    } else {
        echo '<br/>';
        $specmanagement_editor_api->print_editor_table_head($print_flag);
        echo '<tr><td class="center">';
        echo plugin_lang_get('editor_no_issues');
        echo '</td></tr>';
        $specmanagement_print_api->printTableFoot();
    }
}
/**
 * @param PDF $pdf
 * @param $type_string
 * @param $version_id
 * @param $version_spec_bug_ids
 * @return PDF
 */
function generate_document_head(PDF $pdf, $type_string, $version_id, $version_spec_bug_ids)
{
    $specmanagement_database_api = new specmanagement_database_api();
    $specmanagement_editor_api = new specmanagement_editor_api();
    $project_id = helper_get_current_project();
    $parent_project_id = $specmanagement_database_api->get_main_project_by_hierarchy($project_id);
    $head_project_id = $project_id;
    if ($parent_project_id == 0) {
        $parent_project_id = version_get_field($version_id, 'project_id');
        $head_project_id = version_get_field($version_id, 'project_id');
    }
    $table_column_widths = array(95, 95);
    $pdf->Cell(array_sum($table_column_widths), 0, '', 'T');
    $pdf->Ln();
    generate_document_head_row($pdf, 'head_version', version_get_field($version_id, 'version'));
    generate_document_head_row($pdf, 'manversions_thdoctype', $type_string);
    generate_document_head_row($pdf, 'head_customer', project_get_name($parent_project_id));
    generate_document_head_row($pdf, 'head_project', project_get_name($head_project_id));
    generate_document_head_row($pdf, 'head_date', date('d\\.m\\.Y'));
    generate_document_head_row($pdf, 'head_person_in_charge', $specmanagement_editor_api->calculate_person_in_charge($version_id));
    if (!is_null($version_spec_bug_ids)) {
        $process = $specmanagement_editor_api->get_process($version_spec_bug_ids);
        if (is_array($process)) {
            $sum_pt_all = $process[0];
            $sum_pt_bug = $process[1];
            $pt_process = 0;
            if ($sum_pt_all != 0) {
                $pt_process = round($sum_pt_bug * 100 / $sum_pt_all, 2);
            }
            $process_string = $sum_pt_bug . '/' . $sum_pt_all . ' ' . plugin_lang_get('editor_duration_unit') . ' (' . $pt_process . ' %)';
        } else {
            $process_string = $process . ' %';
        }
        generate_document_head_row($pdf, 'head_process', $process_string);
    }
    return $pdf;
}