<?php
/******************************************************************************
 * YMS - Yacht Management Software
 * Copyright (C) 2024-2026 Thomas Hooge
 * 
 * SPDX-License-Identifier: WTFPL
 ******************************************************************************/

require 'globals.inc';
require 'lib/fileutils.inc';

$pagetitle = _('Equipment');

$id = gpc_get_int($_REQUEST, 'id', 0);

$opt_supplier = db_get_opt_supp(array(-1 => _('--- unknown ---')));
$opt_manufacturer = db_get_opt_manuf(array(-1 => _('--- unknown ---')));
$opt_ecat = db_get_options(4); // Equipment categories
$opt_unit = db_get_options(8);

// ========== ACTIONS START ===================================================
 
switch ($submit = form_get_action()) {

    case NULL: break;

    case 'add':    $action = ACT_ADD; break;
    case 'view':   $action = ACT_VIEW; break;
    case 'edit':   $action = ACT_EDIT; break;
    case 'del':    $action = ACT_DELETE; break;

    case 'filter':
        $flt = array();
        $flt['cat'] = gpc_get_int($_POST, 'flt_category');
        $flt['manuf'] = gpc_get_int($_POST, 'flt_manuf');
        $flt['supp'] = gpc_get_int($_POST, 'flt_supp');
        $flt['txt'] = gpc_get_string($_POST, 'flt_txt');
        db_save_filter($flt, 200);
        $action = ACT_DEFAULT;
        break;

    case 'freset':
        db_clear_filter(200);
        $action = ACT_DEFAULT;
        break;

    case 'insert':
        $p[':vid'] = $user->vid;
        $p[':ename'] = gpc_get_string($_POST, 'ename');
        $p[':ecat'] = gpc_get_int($_POST, 'category');
        $p[':manufacturer'] = gpc_get_int($_POST, 'manufacturer');
        $p[':model'] = gpc_get_string($_POST, 'model');
        $p[':remarks'] = gpc_get_string($_POST, 'remarks', 150);
        $id = db_exec_insert('equipment', $p);
        $action = ACT_VIEW;
        break;

    case 'update':
        $p[':eid'] = $id;
        $p[':ename'] = gpc_get_string($_POST, 'ename');
        $p[':shortname'] = gpc_get_string($_POST, 'shortname', 20);
        $p[':model'] = gpc_get_string($_POST, 'model');
        $p[':serial'] = gpc_get_string($_POST, 'serial');
        $p[':weight'] = min(gpc_get_float($_POST, 'weight'), 999.99); // limit max value
        $p[':price'] = gpc_get_currency($_POST, 'price');
        $p[':purchdate'] = gpc_get_date($_POST, 'purchdate');
        $p[':supplier'] = gpc_get_int($_POST, 'supplier');
        if ($p[':supplier'] <= 0) $p[':supplier'] = NULL;
        $p[':manufacturer'] = gpc_get_int($_POST, 'manufacturer');
        if ($p[':manufacturer'] <= 0) $p[':manufacturer'] = NULL;
        $p[':ecat'] = gpc_get_int($_POST, 'category');
        if ($p[':ecat'] <= 0) $p[':ecat'] = NULL;
        $p[':remarks'] = gpc_get_string($_POST, 'remarks', 150);
        db_exec_update('equipment', $p, 'eid');
        $action = ACT_VIEW;
        break;

    case 'delete':
        // Security token needed!
        if (gpc_get_string($_POST, 'token', 16) != $_SESSION['token']) {
            $g_error->Add(_('Delete prohibited, invalid security token!'));
            $action = ACT_VIEW;
            break;
        }
        unset($_SESSION['token']);
        $sth = $pdo->prepare("DELETE FROM docref WHERE reftype='equipment' AND refid=?");
        try {
            $sth->execute([$id]);
        } catch (PDOException $e) {
            $g_error->Add('SQL-Error: '. $e->getMessage());
        }
        $refcount = $sth->rowCount();
        $sth = $pdo->prepare("DELETE FROM equipment WHERE eid=?");
        try {
            $sth->execute([$id]);
        } catch (PDOException $e) {
            $g_error->Add('SQL-Error: '. $e->getMessage());
        }
        $g_message->Add(sprintf(_('Deleted equipment no. %d'), $id));
        if ($refcount > 0) {
            $g_message->Add(sprintf(_('%d document links were removed'), $refcount));
        }
        $action = ACT_DEFAULT;
        break;

    case 'upload':
        $action = ACT_VIEW;
        if (!isset($_FILES['files'])) {
            $g_warning->Add(_('No files for upload submitted'));
            break;
        }
        $extensions = ['jpg', 'png'];
        $all_files = count($_FILES ["files"]["tmp_name"]);
        $nerr = 0;
        for ($i = 0; $i < $all_files; $i++) {
            $file_name = $_FILES['files']['name'][$i];
            $file_tmp = $_FILES['files']['tmp_name'][$i];
            $file_type = $_FILES['files']['type'][$i];
            $file_size = $_FILES['files']['size'][$i];
            $file_ext = strtolower(end(explode('.', $_FILES['files']['name'][$i])));
            // $file = $g_doc_basepath . '/' . $file_name;
            $file_mimetype = mime_content_type($file_tmp);
            if (!in_array($file_mimetype, $g_doc_mimetypes)) {
                $g_error->Add(sprintf(_("Mimetype '%s' not allowed for upload."), $file_mimetype));
                $nerr += 1;
            }
            if (!in_array($file_ext, $extensions)) {
                $g_error->Add(_('Filetype not allowed for upload:') . ' ' . $file_type);
                $nerr += 1;
            }
            if ($file_size > $g_doc_maxsize) {
                $g_error->Add(sprintf(_('File to big: %s.%s'), $file_name,  $file_type));
                $nerr += 1;
            }
            if ($nerr > 0) {
                break;
            }
            $file_hash = md5_file($file_tmp);
            $file_timestamp = date('Y-m-d H:i:s', filemtime($file_tmp));

            // check whether the file already exists, in this case issue 
            // a message and just create a link to the already known file
            $sql = "SELECT docid FROM document WHERE hash=?";
            $sth = $pdo->prepare($sql);
            $sth->execute([$file_hash]);
            $row = $sth->fetch();
            if (!$row) {
                $sql = "INSERT INTO document"
                     . "    (doctype, filename, extension, hash, doctime, docsize, mimetype) "
                     . "VALUES"
                     . "    (?, ?, ?, ?, ?, ?, ?)";
                $sth = $pdo->prepare($sql);
                $sth->execute(['picture', $file_name, $file_ext, $file_hash, $file_timestamp, $file_size, $file_mimetype]);
                $docid = $pdo->lastInsertId();
                $file_techname = file_get_docname($docid, 'picture', $file_ext);
                move_uploaded_file($file_tmp, $g_doc_basepath . '/' . $file_techname);
            } else {
                // A document record definitely exists here, now just 
                // connect it to the selected equipment
                $docid = $row['docid'];
            }

            $sql = "INSERT INTO docref (docid, refid, reftype) VALUES (?, ?, 'equipment')";
            $sth = $pdo->prepare($sql);
            // Reference may already exist!
            try {
                $sth->execute([$docid, $id]);
            } catch (PDOException $e) {
                $g_error->Add('SQL-Error: '. $e->getMessage());
                $g_error->Add($sql);
                // $g_error->Add(print_r($params, true));
            }

        } // for
        break;

    default:
        $g_error->Add(sprintf(_('Unknown function!'), $submit));
        $valid = FALSE;

}

// ========== ACTIONS END =====================================================

require 'header.php';

// ========== PAGE CONTENT ====================================================

if ($action == ACT_DEFAULT):
// ========== VARIANT: default behavior =======================================

page_caption_search($pagetitle);

$flt = db_get_filter($user->id, 200);

$sort = array(
  1 => 'ename',
  2 => 'ename DESC'
);

$w = array('vid=:vid');
$p = array(':vid' => $user->vid);
if ($flt->cat > 0) {
    $w[] = 'ecat=:ecat';
    $p[':ecat'] = $flt->cat;
} elseif ($flt->cat == -1) {
    $w[] = 'ecat IS NULL';
}
if ($flt->manuf > 0) {
    $w[] = 'manufacturer=:manuf';
    $p[':manuf'] = $flt->manuf;
} elseif ($flt->manuf == -1) {
    $w[] = 'manufacturer IS NULL';
}
if ($flt->supp > 0) {
    $w[] = 'supplier=:supp';
    $p[':supp'] = $flt->supp;
} elseif ($flt->supp == -1) {
    $w[] = 'supplier IS NULL';
}
if (strlen($flt->txt) > 1) {
    $w[] = '(ename LIKE :txt OR model LIKE :txt OR remarks LIKE :txt)';
    $p[':txt'] = '%'.$flt->txt.'%';
}
// TODO flags (ordered, removed, deleted)
// if (strlen($flt->flags) > 0) {
// }
$where = join(' AND ', $w);
$order = ' ORDER BY ename';

// get total record count for pagination and limit
$sth = $pdo->prepare("SELECT COUNT(*) FROM equipment WHERE " . $where);
try {
    $sth->execute($p);
} catch(PDOException $e) {
    $g_error->Add($e->getMessage());
    $g_error->Add($sql);
    $g_error->Add(print_r($p, true));
    $g_error->PrintOut();
}
$numrows = $sth->fetchColumn();
$lastpage = ceil($numrows/$g_rows_pp);
$page = gpc_get_int($_REQUEST, 'p', 1);
// TODO check against allowed values for rows per page
$rows_pp = gpc_get_int($_REQUEST, 'n', $g_rows_pp);

$sql = "SELECT eid, ename, manufacturer, model, serial, remarks, flags,"
     . "    TIMESTAMPDIFF(MONTH, purchdate, NOW()) AS age_mon "
     . "FROM equipment";
$sql .= ' WHERE ' . $where;
$sql .= $order;

// if pagination:
$sql .= ' LIMIT ' . ($page - 1) * $rows_pp . ',' . $rows_pp;

$sth = $pdo->prepare($sql);
$sth->execute($p);
$res = $sth->fetchAll();

// Filter
/*$opt_special = array(
  -2 => _('&horbar; all &horbar;'),
  -1 => _('&horbar; none &horbar;')
); */
$opt_none_male = array(-1 => pgettext('male', '&horbar; none &horbar;')); 
?>
<form method="post" action="<?=$g_scriptname?>">
<div id="filter" class="card">
  <div class="card-header"><i class="bi bi-funnel me-2"></i>Filter</div>
  <div class="card-body d-flex flex-wrap gap-3">
<?php
filter_create_select('flt_category', _('Category'), $g_opt_all + $g_opt_none + $opt_ecat, $flt->cat);
filter_create_select('flt_manuf', _('Manufacturer'), $g_opt_all + $opt_none_male + $opt_manufacturer, $flt->manuf);
filter_create_select('flt_supp', _('Supplier'), $g_opt_all + $opt_none_male + $opt_supplier, $flt->supp);
?>
    <div class="d-flex flex-nowrap gap-2">
      <label for="flt_txt"><?=_('Text')?></label>
      <input type="text" name="flt_txt" size="15" maxlength="30" value="<?=$flt->txt ?>">
    </div>
    <div class="d-flex flex-nowrap gap-2">
<?php
$enum_data = db_load_enum('equipment', 'flags', true, true, false);
form_create_checks('flags', _('Flags'), $enum_data, []);
?>
    </div>
  </div>
  <div class="card-footer">
    <button name="submit[filter]" class="btn btn-sm btn-primary" title="<?=_('Apply')?>"><?=_('Go')?></button>
    <button name="submit[freset]" class="btn btn-sm btn-secondary float-end" title="<?=_('Reset filter to defaults')?>"><?=_('Clear')?></button>
  </div>
</div>
</form>

<?php
// Pagination on top
$pagination = get_pagination($g_scriptname, '', $page, $lastpage);
echo $pagination;

// Data
echo '<table class="table table-striped">', "\n";
echo "<thead>\n";
echo '<tr>';
echo '<th>#</th>';
echo '<th>', _('Description'), "</th>";
echo '<th>', _('Manufacturer'), "</th>";
echo '<th>', _('Model'), "</th>";
echo '<th>', _('Serial'), "</th>";
echo '<th>', _('Age'), "</th>";
echo '<th>', _('Remarks'), "</th>";
echo "<th>&nbsp;</th>";
echo "</tr>\n";
echo "</thead>\n";
$i = ($page - 1) * $rows_pp;
$i0 = $i + 1;
foreach ($res as $row) {
    // calc nice age display
    if (!isset($row['age_mon'])) {
        $age = '';
    } elseif ($row['age_mon'] < 12) {
        $age = sprintf(_('%dm'), $row['age_mon']);
    } else {
        $age = sprintf(_('%dy'), intdiv($row['age_mon'], 12));
    }
    $i++; // record number
    echo "<tr>\n";
    echo "<td>", $i;
    echo '<a class="text-nowrap" title="', _('View'), '" href="', $g_scriptname, '?f=view&id=', $row['eid'], '"><i class="bi bi-eye ms-2"></i></a>', "\n";
    echo "</td>\n";
    echo "<td>", $row['ename'], "</td>\n";
    echo "<td>", ($opt_manufacturer[$row['manufacturer']] ?? ''), "</td>\n";
    echo "<td>", $row['model'], "</td>\n";
    echo "<td>", $row['serial'], "</td>\n";
    echo "<td>", $age, "</td>\n";
    echo "<td>", $row['remarks'], "</td>\n";
    // Edit current record button
    echo "<td>";
    echo '<a title="', _('Edit'), '" href="', $g_scriptname, '?f=edit&id=', $row['eid'], '"><i class="bi-pencil"></i></a>', "\n";
    echo "</td>\n";
    echo "</tr>\n";
}
?>
<tfoot>
<tr><td colspan="8"><?php printf(_('Records %d to %d of %d'), $i0, $i, $numrows); ?></td></tr>
</tfoot>
</table>
<?php 
echo $pagination;

form_add_button($g_scriptname);

elseif ($action == ACT_ADD):
// ========== VARIANT: add record =============================================

// filter used to preselect fields
$flt = db_get_filter($user->id, 200);
?>
<h2><?=_('Add Equipment')?></h2>
<form method="post" action="<?=$g_scriptname?>">
<div class="mb-3">
  <label for="ename" class="form-label"><?=_('Name')?></label>
  <input type="text" class="form-control" id="ename" name="ename">
</div>
<?php 
form_create_select('category', _('Category'), [-1 => '--- none ---'] + $opt_ecat, $flt->cat);
form_create_select('manufacturer', _('Manufacturer'), $opt_manufacturer, $flt->manuf); 
?>
<div class="mb-3">
  <label for="model" class="form-label"><?=_('Model')?></label>
  <input type="text" class="form-control" id="model" name="model">
</div>
<div class="mb-3">
  <label for="remarks" class="form-label"><?=_('Remarks')?></label>
  <textarea class="form-control" id="remarks" name="remarks" rows="3" maxlength="150"></textarea>
</div>
<div class="container-fluid px-0 my-3">
  <button type="submit" name="submit[insert]" class="btn btn-primary"><?=_('Save')?></button>
  <a href="<?=$g_scriptname?>" class="btn btn-secondary"><?=_('Back')?></a>
</div>
</form>
<?php
elseif ($action == ACT_VIEW):
// ========== VARIANT: view single record =====================================

$sql = "SELECT eid, ename, model, serial, purchdate, price, weight, "
     . "    supplier, manufacturer, ecat, shortname, remarks, flags "
     . "FROM equipment "
     . "WHERE eid=?";
$sth = $pdo->prepare($sql);
$sth->execute([$id]);
$equipment = $sth->fetch(PDO::FETCH_OBJ);
echo "<h2>", $equipment->ename, "</h2>\n";

// Bootstrap grid
echo '<div class="container">';
echo '<div class="row">';
echo '<div class="col">';

echo '<table class="table">', "\n";
echo '<tr><th>', _('Short name'),"</th><td>", $equipment->shortname, "</td></tr>\n";
echo '<tr><th>', _('Manufacturer'),"</th><td>", $opt_manufacturer[$equipment->manufacturer];
echo '&nbsp;<a title="', _('View'), '" href="company.php?f=view&id=', $equipment->manufacturer, '"><i class="bi-eye"></i></a>';
echo "</td></tr>\n";
echo '<tr><th>', _('Model'),"</th><td>", $equipment->model, "</td></tr>\n";
echo '<tr><th>', _('Serial'),"</th><td>", $equipment->serial, "</td></tr>\n";
echo '<tr><th>', _('Weight'),"</th><td>", format_float($equipment->weight, 2, 'kg'), "</td></tr>\n";
echo '<tr><th>', _('Price'),"</th><td>", format_currency($equipment->price), "</td></tr>\n";
echo '<tr><th>', _('Purchase date'),"</th><td>", $equipment->purchdate, "</td></tr>\n";
echo '<tr><th>', _('Supplier'),"</th><td>", $equipment->supplier ? $opt_supplier[$equipment->supplier] : 'n/a', "</td></tr>\n";
echo '<tr><th>', _('Category'),"</th><td>", $opt_ecat[$equipment->ecat], "</td></tr>\n";
echo '<tr><th>', _('Remarks'),"</th><td>", nl2br($equipment->remarks), "</td></tr>\n";
echo '<tr><th>', _('Flags'),"</th><td>", $equipment->flags, "</td></tr>\n";
echo "</table>\n";

echo '</div>'; // Column break
echo '<div class="col">', "\n";

echo '<div class="card">', "\n";
echo '<div class="card-header">', _('Images and documents'), "</div>\n";
echo '<div class="card-body">', "\n";

$sql = "SELECT d.docid, d.doctype, d.title "
     . "FROM docref AS r INNER JOIN document AS d using (docid) "
     . "WHERE r.reftype='equipment' AND r.refid=? "
     . "ORDER BY d.doctype";
$sth = $pdo->prepare($sql);
$sth->execute([$id]);
$res = $sth->fetchAll();
// TODO hübsche Darstellung
$doccount = 0;
foreach ($res as $row) {
    $doccount += 1;
    if ($row['doctype'] == 'picture') {
        echo '<a href="dl.php?id=', $row['docid'], '">';
//        echo '<img width="120" src="doc/pic-', $row['hash'], '.', $row['extension'],'">';
        echo '<img width="120" src="dl.php?id=', $row['docid'], '" alt="', $row['title'], '">';
        echo "</a>\n";
    } elseif ($row['doctype'] == 'drawing') {
        echo "<p>Drawing: ", $row['title'], "<br>";
        echo '<a href="dl.php?id=', $row['docid'], '">';
        echo '<img width="180" src="dl.php?id=', $row['docid'], '">';
        echo "</a>";
        echo "</p>\n";
    } elseif ($row['doctype'] == 'generic') {
        echo '<a href="dl.php?id=', $row['docid'], '">';
        echo '<img width="120" src="dl.php?id=', $row['docid'], '&t=s" alt="', $row['title'], '">';
        // echo $row['title'];
        echo "</a>\n";
    } elseif ($row['doctype'] == 'manual') {
        echo "<p>Manual: ";
        echo '<a href="documents.php?f=view&id=', $row['docid'], '">';
        echo $row['title'];
        echo "</a></p>\n";
    } else {
        // unknown document type
        echo "<span>Unknown document type:", $row['doctype'], "</span>\n";
    }
}
if ($doccount == 0) {
    echo _('No referenced documents'), "\n";
}
echo "</div>\n"; // card-body
echo "</div>\n"; // card
?>
<form method="post" enctype="multipart/form-data" action="<?=$g_scriptname?>">
<input type="hidden" name="id" value="<?=$id?>">
<div class="card">
  <div class="card-header"><?=_('Add Image');?></div>
  <div class="card-body">
    <input type="file" name="files[]" multiple accept="image/*" capture="camera">
    <input type="submit" name="submit[upload]" value="Upload">
  </div>
</div>
</form>
<?php
echo '</div>'; // col
echo '</div>'; // row
echo '</div>'; // container

// Buttons at bottom of data area
form_view_buttons($g_scriptname, $id);

// Maintenance records
echo '<h3>', _('Maintenances'), "</h3>";

$sql = "SELECT maintid, series, activities FROM maintenance WHERE eid=?";
$sth = $pdo->prepare($sql);
$sth->execute([$id]);
if ($sth->rowCount() > 0) {
    echo "<ul>\n";
    foreach ($sth->fetchAll() as $row) {
        echo "<li>", $row['activities'], ' ';
        echo '<a title="', _('View'), '" href="maintenance.php?f=view&id=', $row['maintid'], '"><i class="bi-eye"></i></a>';
        echo "</li>\n";
    }
    echo "</ul>\n";
} else {
    echo '<p>', _('No maintenance records found.'), "<p>\n";
}
echo '<div class="container-fluid px-0 my-3">', "\n";
echo '<a href="maintenance.php?f=add&id=', $id, '" class="btn btn-primary" role="button">';
echo _('Add maintenance'), "</a>\n";
echo "</div>\n";

// Measurement records
echo '<h3>', _('Measurements'), "</h3>";

$sql = "SELECT mid, mname, nval, val1, val2, val3, unit, accuracy FROM measurement WHERE eid=?";
$sth = $pdo->prepare($sql);
$sth->execute([$id]);
if ($sth->rowCount() > 0) {
    echo "<ul>\n";
    foreach ($sth->fetchAll() as $row) {
        echo "<li>", $row['mname'], ': ';
        echo format_measurement($row['nval'], $opt_unit[$row['unit']], $row['val1'], $row['val2'], $row['val3']);
        echo ' <a title="', _('View'), '" href="measurement.php?f=view&id=', $row['mid'], '"><i class="bi-eye"></i></a>';
        echo "</li>\n";
    }
    echo "</ul>\n";
} else {
    echo '<p>', _('No measurement records found.'), "<p>\n";
}
echo '<div class="container-fluid px-0 my-3">', "\n";
echo '<a href="measurement.php?f=add&id=', $id, '" class="btn btn-primary" role="button">';
echo _('Add measurement'), "</a>\n";
echo "</div>\n";

// Spare parts
echo '<h3>', _('Spare parts'), "</h3>";

$sql = "SELECT invid, invname FROM inventory WHERE eid=?";
$sth = $pdo->prepare($sql);
$sth->execute([$id]);
if ($sth->rowCount() > 0) {
    echo "<ul>\n";
    foreach ($sth->fetchAll() as $row) {
        echo "<li>", $row['invname'], ': ';
        echo ' <a title="', _('View'), '" href="inventory.php?f=view&id=', $row['invid'], '"><i class="bi-eye"></i></a>';
        echo "</li>\n";
    }
    echo "</ul>\n";
} else {
    echo '<p>', _('No spare parts found.'), "<p>\n";
}

elseif ($action == ACT_EDIT):
// ========== VARIANT: edit single record =====================================

$sql = "SELECT compid, compname FROM company WHERE comptype=1 ORDER BY compname";
$sth = $pdo->query($sql);
$supplier = array();
foreach ($sth->fetchAll() as $row) {
    $supplier[$row['compid']] = $row['compname'];
}

$sql = "SELECT eid, ename, model, serial, weight, price, purchdate,"
     . "    supplier, manufacturer, ecat, shortname, remarks "
     . "FROM equipment "
     . "WHERE eid=?";
$sth = $pdo->prepare($sql);
$sth->execute([$id]);
$equipment = $sth->fetch(PDO::FETCH_OBJ);
?>
<h2><?=_('Edit Equipment')?></h2>
<form method="post" action="<?=$g_scriptname?>">
<input type="hidden" name="id" value="<?=$id?>">
<div class="mb-3">
  <label for="ename" class="form-label"><?=_('Name')?></label>
  <input type="text" class="form-control" id="ename" name="ename" value="<?=$equipment->ename ?>">
</div>
<div class="mb-3">
  <label for="shortname" class="form-label"><?=_('Short name')?></label>
  <input type="text" class="form-control" id="shortname" name="shortname" value="<?=$equipment->shortname ?>">
</div>
<?php form_create_select('manufacturer', _('Manufacturer'), $opt_manufacturer, $equipment->manufacturer); ?>
<div class="mb-3">
  <label for="model" class="form-label"><?=_('Model')?></label>
  <input type="text" class="form-control" id="model" name="model" value="<?=$equipment->model ?>">
</div>
<div class="mb-3">
  <label for="serial" class="form-label"><?=_('Serial')?></label>
  <input type="text" class="form-control" id="serial" name="serial" value="<?=$equipment->serial ?>">
</div>
<div class="mb-3">
  <label for="weight" class="form-label"><?=_('Weight, kg')?></label>
  <input type="text" class="form-control" id="weight" name="weight" value="<?=format_float($equipment->weight); ?>">
</div>
<div class="mb-3">
  <label for="price" class="form-label"><?=sprintf(_('Price, %s'), $g_lconv['currency_symbol']); ?></label>
  <input type="text" class="form-control" id="price" name="price" value="<?=format_float($equipment->price) ?>">
</div>
<div class="mb-3">
  <label for="purchdate"><?=_('Purchase date')?></label>
  <input type="date" class="form-control" id="startdate" name="purchdate" value="<?=$equipment->purchdate ?>">
</div>
<?php 
form_create_select('supplier', _('Supplier'), $opt_supplier, $equipment->supplier);
form_create_select('category', _('Category'), [-1 => _('--- unknown ---')] + $opt_ecat, $equipment->ecat);
?>
<div class="mb-3">
  <label for="remarks" class="form-label"><?=_('Remarks')?></label>
  <textarea class="form-control" id="remarks" name="remarks" rows="3"><?=$equipment->remarks ?></textarea>
</div>
<button type="submit" name="submit[update]" class="btn btn-primary"><?=_('Save')?></button>
<a href="<?=$g_scriptname?>?f=view&id=<?=$id?>" class="btn btn-secondary"><?=_('Back')?></a>
</form>
<?php

elseif ($action == ACT_DELETE):
// ========== VARIANT: delete record ==========================================

$_SESSION['token'] = bin2hex(random_bytes(8));
$sql = "SELECT ename, remarks FROM equipment WHERE eid=?";
$sth = $pdo->prepare($sql);
$sth->execute([$id]);
$equipment = $sth->fetch(PDO::FETCH_OBJ);

echo '<h2>', _('Delete equipment'),"</h2>\n";

echo '<p>', sprintf(_('Record no. %d'), $id), "</p>\n";
echo '<p>Name: ', $equipment->ename, "</p>";
echo '<p>Remarks: ', $equipment->remarks, "</p>";

echo '<p>', _('Deleting an equipment item is final. There is no way back. Only delete if you are absolute sure.'), "</p>\n";

form_delete_buttons($g_scriptname, $id, $_SESSION['token']);

else:
// ========== ERROR UNKNOWN VARIANT ===========================================

echo '<p>', _('Unknown function call: Please report to system development!'), "</p>\n";

endif; // $action == ...
// ========== END OF VARIANTS =================================================

include 'footer.php';