<?php

use dokuwiki\Extension\Event;

if (!defined('DOKU_INC')) define('DOKU_INC', __DIR__ . '/../../');
define('DOKU_MEDIAMANAGER', 1);

// for multi uploader:
@ini_set('session.use_only_cookies', 0);

require_once(DOKU_INC . 'inc/init.php');

global $INPUT;
global $lang;
global $conf;
// handle passed message
if ($INPUT->str('msg1')) msg(hsc($INPUT->str('msg1')), 1);
if ($INPUT->str('err')) msg(hsc($INPUT->str('err')), -1);

global $DEL;
// get namespace to display (either direct or from deletion order)
if ($INPUT->str('delete')) {
    $DEL = cleanID($INPUT->str('delete'));
    $IMG = $DEL;
    $NS = getNS($DEL);
} elseif ($INPUT->str('edit')) {
    $IMG = cleanID($INPUT->str('edit'));
    $NS = getNS($IMG);
} elseif ($INPUT->str('img')) {
    $IMG = cleanID($INPUT->str('img'));
    $NS = getNS($IMG);
} else {
    $NS = cleanID($INPUT->str('ns'));
    $IMG = null;
}

global $INFO, $JSINFO;
$INFO = empty($INFO) ? mediainfo() : array_merge($INFO, mediainfo());
$JSINFO['id'] = '';
$JSINFO['namespace'] = '';
$AUTH = $INFO['perm'];    // shortcut for historical reasons

// If this page is directly opened it means we are in popup mode not fullscreen
// $fullscreen isn't defined by default it might lead to some PHP warnings
$fullscreen ??= false;

$tmp = [];
Event::createAndTrigger('MEDIAMANAGER_STARTED', $tmp);
session_write_close();  //close session

// do not display the manager if user does not have read access
if ($AUTH < AUTH_READ && !$fullscreen) {
    http_status(403);
    die($lang['accessdenied']);
}

// handle flash upload
if (isset($_FILES['Filedata'])) {
    $_FILES['upload'] =& $_FILES['Filedata'];
    $JUMPTO = media_upload($NS, $AUTH);
    if ($JUMPTO == false) {
        http_status(400);
        echo 'Upload failed';
    }
    echo 'ok';
    exit;
}

// give info on PHP caught upload errors
if (!empty($_FILES['upload']['error'])) {
    match ($_FILES['upload']['error']) {
        1, 2 => msg(sprintf(
            $lang['uploadsize'],
            filesize_h(php_to_byte(ini_get('upload_max_filesize')))
        ), -1),
        default => msg($lang['uploadfail'] . ' (' . $_FILES['upload']['error'] . ')', -1),
    };
    unset($_FILES['upload']);
}

// handle upload
if (!empty($_FILES['upload']['tmp_name'])) {
    $JUMPTO = media_upload($NS, $AUTH);
    if ($JUMPTO) $NS = getNS($JUMPTO);
}

// handle meta saving
if ($IMG && @array_key_exists('save', $INPUT->arr('do'))) {
    $JUMPTO = media_metasave($IMG, $INPUT->arr('meta'));
}

if ($IMG && ($INPUT->str('mediado') == 'save' || @array_key_exists('save', $INPUT->arr('mediado')))) {
    $JUMPTO = media_metasave($IMG, $INPUT->arr('meta'));
}

if ($INPUT->int('rev') && $conf['mediarevisions']) $REV = $INPUT->int('rev');

if ($INPUT->str('mediado') == 'restore' && $conf['mediarevisions'] && checkSecurityToken()) {
    $JUMPTO = media_restore($INPUT->str('image'), $REV);
}

// handle deletion
if ($DEL) {
    $res = 0;
    if (checkSecurityToken()) {
        $res = media_delete($DEL, $AUTH);
    }
    if ($res & DOKU_MEDIA_DELETED) {
        $msg = sprintf($lang['deletesucc'], noNS($DEL));
        if ($res & DOKU_MEDIA_EMPTY_NS && !$fullscreen) {
            // current namespace was removed. redirecting to root ns passing msg along
            send_redirect(DOKU_URL . 'lib/exe/mediamanager.php?msg1=' .
                rawurlencode($msg) . '&edid=' . $INPUT->str('edid'));
        }
        msg($msg, 1);
    } elseif ($res & DOKU_MEDIA_INUSE) {
        msg(sprintf($lang['mediainuse'], noNS($DEL)), 0);
    } else {
        msg(sprintf($lang['deletefail'], noNS($DEL)), -1);
    }
}
// finished - start output

if (!$fullscreen) {
    header('Content-Type: text/html; charset=utf-8');
    include(template('mediamanager.php'));
}
