<?php
/******************************************************************************
 * YMS - Yacht Management Software
 * Copyright (C) 2024-2026 Thomas Hooge
 * 
 * SPDX-License-Identifier: WTFPL
 ******************************************************************************/
 
require 'globals.inc';
require 'lib/gpc.inc';

$pagetitle = _('Projects');

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

$sql = "SELECT userid, displayname FROM user WHERE userid>0";
$sth = $pdo->query($sql);
$opt_user = array();
foreach ($sth->fetchAll() as $row) {
    $opt_user[$row['userid']] = $row['displayname'];
}
$opt_state = db_load_enum('project', 'projstate', true, true);

/* Nur für choices benötigt
$local_script = "
    document.addEventListener('DOMContentLoaded', function () {
        const element = document.getElementById('flt_state[]');
        const choices = new Choices(element, {
            removeItemButton: true,
            duplicateItemsAllowed: false,
            searchEnabled: false
        });
    });
"; */

// ========== 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();
        $flt['name'] = gpc_get_string($_POST, 'flt_name');
        $flt['state'] = gpc_get_string($_POST, 'flt_state'); // TODO perhaps change to checkboxes
        $flt['remarks'] = gpc_get_string($_POST, 'flt_remarks');
        db_save_filter($flt, 205);
        $action = ACT_DEFAULT;
        break;

    case 'freset':
        db_clear_filter(205);
        $action = ACT_DEFAULT;
        break;

    case 'insert':
        $p[':vid'] = $user->vid;
        $p[':projname'] = gpc_get_string($_POST, 'projname');
        $p[':responsible'] = gpc_get_int($_POST, 'responsible');
        $p[':remarks'] = gpc_get_string($_POST, 'remarks', 150);
        $id = db_exec_insert('project', $p);
        $action = ACT_VIEW;
        break;

    case 'update':
        $p[':projid'] = $id;
        $p[':projname'] = gpc_get_string($_POST, 'projname');
        $p[':startdate'] = gpc_get_date($_POST, 'startdate');
        $p[':duration'] = gpc_get_int($_POST, 'duration');
        $p[':projstate'] = gpc_get_string($_POST, 'projstate');
        $p[':remarks'] = gpc_get_string($_POST, 'remarks', 150);
        db_exec_update('project', $p, 'projid');
        $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']);
        // TBD
        $action = ACT_DEFAULT;
        break;

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

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

require 'header.php';

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

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

page_caption_search($pagetitle);

// load filter from db
$flt = db_get_filter($user->id, 205, ['name','state','remarks']);

$w = array('vid=:vid');
$p = array(':vid' => $user->vid);

if ($flt->state > 0) {
    $w[] = 'projstate=:state';
    $p[':state'] = $flt->state;
}
if (strlen($flt->name) > 1) {
    $w[] = '(projname LIKE :name)';
    $p[':name'] = '%'.$flt->name.'%';
}
if (strlen($flt->remarks) > 1) {
    $w[] = '(remarks LIKE :remarks)';
    $p[':remarks'] = '%'.$flt->remarks.'%';
}

$where = join(' AND ', $w);
$order = ' ORDER BY projname';

// grand total of records for current vessel
$sth = $pdo->prepare("SELECT COUNT(*) FROM project 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();
$page = gpc_get_int($_REQUEST, 'p', 1);
$rows_pp = gpc_get_int($_REQUEST, 'n', $user->rows_pp);
$lastpage = ceil($numrows/$rows_pp);

// $grandtotal = $pdo->query("SELECT COUNT(*) FROM project WHERE " . $where)->fetchColumn();

$sql = "SELECT projid, projname, startdate, duration, projstate, remarks "
     . "FROM project";
$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
?>
<form id="filterform" method="post" action="<?=$g_scriptname?>">
<div id="filter" class="card">
<div class="card-header"><i class="bi bi-funnel me-2"></i>Filter</div>
<div class="card-body d-flex flex-wrap gap-3">
<div class="d-flex flex-nowrap gap-2">
  <label for="flt_name"><?=_('Name')?></label>
  <input type="text" class="form-control" name="flt_name" size="15" maxlength="30" value="<?=$flt->name ?? '';?>">
</div>
<?php
filter_create_select('flt_state', _('State'), $g_opt_all + $opt_state, $flt->state ?? -2, FALSE);
?>
<div class="d-flex flex-nowrap gap-2">
  <label for="flt_remarks"><?=_('Remarks')?></label>
  <input type="text" class="form-control" name="flt_remarks" size="15" maxlength="30" value="<?=$flt->remarks ?? '' ?>">
</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;

echo '<table class="table table-striped">'. "\n";
echo "<thead>\n";
echo "<tr>";
echo '<th>#</th>';
echo "<th>" . _('Name') . "</th>";
echo "<th>" . _('Start date') . "</th>";
echo "<th>" . _('Duration') . "</th>";
echo "<th>" . _('State') . "</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) {
    $i++; // record number
    echo "<tr>\n";
    echo '<td>', $i;
    echo '<a class="text-nowrap" title="', _('View'), '" href="', $g_scriptname, '?f=view&id=', $row['projid'], '"><i class="bi bi-eye ms-2"></i></a>', "\n";
    echo "</td>\n";
    echo "<td>". $row['projname'] ."</td>\n";
    echo "<td>". $row['startdate'] ."</td>\n";
    echo "<td>". $row['duration'] ."</td>\n";
    echo "<td>". get_enum($row['projstate']) ."</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['projid'], '"><i class="bi-pencil"></i></a>', "\n";
    echo "</td>\n";

    echo "</tr>\n";
}
// Table summary
table_rec_summary($i0, $i, $numrows, 6);
echo "</table>\n";

echo $pagination;

form_add_button($g_scriptname);

echo "<h1>", _('Generic Tasks'), "</h1>\n";
echo "<p>", _('Tasks not assigned to any project'), "</p>\n";
$sql = "SELECT taskid, taskname, taskstate "
     . "FROM task "
     . "WHERE vid=? AND projid IS NULL "
     . "ORDER BY taskid";
$sth = $pdo->prepare($sql);
$sth->execute([$user->vid]);
$res = $sth->fetchAll();
echo '<table class="table table-striped">', "\n";
echo "<thead>\n";
echo "<tr>";
echo '<th>#</th>';
echo "<th>", _('Name'), "</th>";
echo "<th>", _('State'), "</th>";
echo "</tr>\n";
echo "</thead>\n";

// TODO own pagination
// $i = ($page - 1) * $rows_pp;
$i = 0;
$i0 = $i + 1;
foreach ($res as $row) {
    $i++; // record number
    echo "<tr>\n";
    echo '<td>', $i;
    echo '<a class="text-nowrap" title="', _('View'), '" href="task.php?f=view&id=', $row['taskid'], '"><i class="bi bi-eye ms-2"></i></a>', "\n";
    echo "</td>\n";
    echo "<td>", $row['taskname'], "</td>\n";
    echo "<td>", get_enum($row['taskstate']), "</td>\n";
    // Edit current record button
    echo "<td>";
    echo '<a title="', _('Edit'), '" href="task.php?f=edit&id=', $row['taskid'], '"><i class="bi-pencil"></i></a>', "\n";
    echo "</td>\n";
    echo "</tr>\n";
}
// Table summary
table_rec_summary($i0, $i, count($res), 4);

echo "</table>\n";

form_add_button('task.php');

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


echo '<h2>', _('Add Project'), "</h2>\n";
?>
<form method="post" action="<?=$g_scriptname?>">
<div class="mb-3">
  <label for="projname" class="form-label"><?=_('Name')?></label>
  <input type="text" class="form-control" id="projname" name="projname">
</div>
<?php
form_create_select('responsible', _('Responsible'), $opt_user, $project->responsible);
?>
<div class="mb-3">
  <label for="remarks" class="form-label"><?=_('Remarks')?></label>
  <textarea class="form-control" id="remarks" name="remarks" rows="3"></textarea>
</div>
<button type="submit" name="submit[insert]" class="btn btn-primary"><?=_('Save')?></button>
<a href="<?=$g_scriptname?>" class="btn btn-secondary"><?=_('Back')?></a>
</form>
<?php

elseif ($action == ACT_VIEW):
// ========== VARIANT: view single record =====================================

$sql = "SELECT projname, startdate, duration, responsible, projstate, remarks "
     . "FROM project "
     . "WHERE projid=?";
$sth = $pdo->prepare($sql);
$sth->execute([$id]);
$project = $sth->fetch(PDO::FETCH_OBJ);
echo "<h2>", $project->projname, "</h2>\n";
echo '<table class="table">', "\n";
echo '<tr><th scope="row" style="width:20%">', _('Name'),"</th><td>", $project->projname, "</td></tr>\n";
echo '<tr><th scope="row">', _('Responsible'),"</th><td>", $opt_user[$project->responsible], "</td></tr>\n";
echo '<tr><th scope="row">', _('Start date'),"</th><td>", $project->startdate, "</td></tr>\n";
echo '<tr><th scope="row">', _('Duration'),"</th><td>", $project->duration, "</td></tr>\n";
echo '<tr><th scope="row">', _('State'),"</th><td>", get_enum($project->projstate), "</td></tr>\n";
echo '<tr><th scope="row">', _('Remarks'),"</th><td>", nl2br($project->remarks), "</td></tr>\n";
echo "</table>\n";

form_view_buttons($g_scriptname, $id);

// assigned tasks
echo "<h2>", _('Assigned tasks'), "</h2>\n";

$sql = "SELECT taskid, taskname FROM task WHERE projid=? ORDER BY taskname";
$sth = $pdo->prepare($sql);
$sth->execute([$id]);
$res = $sth->fetchAll();
if (empty($res)) {
    echo "<p>", _('No assigned tasks found.'),"</p>\n";
} else {
?>
<table class="table table-sm">
<thead>
  <tr>
    <th>#</th>
    <th><?=_('Task')?></th>
    <th></th>
  </tr>
</thead>
<?php
$i = 1;
foreach ($res as $row) {
    echo "<tr>";
    echo "<td>", $i++;
    echo '<a class="text-nowrap" title="', _('View'), '" href="task.php?f=view&id=', $row['taskid'], '"><i class="bi bi-eye ms-2"></i></a>', "\n";
    echo  "</td>";
    echo "<td>", $row['taskname'], "</td>";
    // Edit current record button
    echo "<td>";
    echo '<a title="', _('Edit'), '" href="task.php?f=edit&id=', $row['taskid'], '"><i class="bi-pencil"></i></a>', "\n";
    echo "</td>\n";
    echo "</tr>\n";
} // endforeach;
    echo "</table>\n";
} // not empty

form_add_button('task.php', $id, 'projid');

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

echo '<h2>', _('Edit Project'), "</h2>\n";

$sql = "SELECT projname, responsible, startdate, duration, projstate, remarks "
     . "FROM project "
     . "WHERE projid=?";
$sth = $pdo->prepare($sql);
$sth->execute([$id]);
$project = $sth->fetch(PDO::FETCH_OBJ);

?>
<form method="post" action="<?=$g_scriptname?>">
<input type="hidden" name="id" value="<?=$id?>">
<div class="mb-3">
  <label for="projname" class="form-label"><?=_('Name')?></label>
  <input type="text" class="form-control" id="projname" name="projname" value="<?=$project->projname ?>">
</div>
<?php
form_create_select('responsible', _('Responsible'), $opt_user, $project->responsible);
?>
<div class="mb-3">
  <label for="startdate"><?=_('Startdate')?></label>
  <input type="date" class="form-control" id="startdate" name="startdate" value="<?=$project->startdate ?>">
</div>
<div class="mb-3">
  <label for="duration"><?=_('Duration, days')?></label>
  <input type="number" class="form-control" id="duration" name="duration" min="1" value="<?=$project->duration ?>">
</div>
<?php
form_create_select('projstate', _('Status'), $opt_state, $project->projstate);
?>
<div class="mb-3">
  <label for="remarks" class="form-label"><?=_('Remarks')?></label>
  <textarea class="form-control" id="remarks" name="remarks" rows="3"><?=$project->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 ==========================================

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

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

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

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

include 'footer.php';