<?php
// Move a script between *_SCRIPTS arrays in master.conf.
// POST: script (rel path), to_array (var name, or '' to remove from all arrays).
header('Content-Type: application/json');
require_once dirname(__DIR__) . '/include/config.php';

if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
    echo json_encode(['ok' => false, 'error' => 'POST only']);
    exit;
}

$script  = trim($_POST['script']   ?? '');
$toArray = trim($_POST['to_array'] ?? '');

if (!$script || str_contains($script, '..') || !preg_match('/^[A-Za-z0-9_.\-\/]+\.sh$/', $script)) {
    echo json_encode(['ok' => false, 'error' => 'Invalid script']);
    exit;
}
if ($toArray && !preg_match('/^[A-Z_]+_SCRIPTS$/', $toArray)) {
    echo json_encode(['ok' => false, 'error' => 'Invalid array name']);
    exit;
}

$confPath = CONF_DIR . '/master.conf';
if (!file_exists($confPath)) {
    echo json_encode(['ok' => false, 'error' => 'master.conf not found']);
    exit;
}

$lines = file($confPath, FILE_KEEP_BLANK_LINES);
if (!$lines) {
    echo json_encode(['ok' => false, 'error' => 'Could not read master.conf']);
    exit;
}

$scriptEsc   = preg_quote($script, '/');
$removedLine = null;
$inArray     = false;

// Step 1: find and remove the script line from whatever array it is currently in.
$newLines = [];
foreach ($lines as $line) {
    if (preg_match('/^\s*[A-Z_]+_SCRIPTS\s*=\s*\(/', $line)) $inArray = true;
    if ($inArray && preg_match('/^\s*\)\s*(?:#.*)?$/', $line) && !str_contains($line, '(')) $inArray = false;
    if ($inArray && preg_match('/^\s*(?:#\s*)?"' . $scriptEsc . '(?:\s[^"]*)?"/', $line)) {
        $removedLine = '  "' . $script . '"' . "\n"; // normalise indentation when re-inserting
        continue; // drop from current location
    }
    $newLines[] = $line;
}

// Step 2: insert into target array (if specified).
if ($toArray) {
    $resultLines = [];
    $inTarget    = false;
    $inserted    = false;
    foreach ($newLines as $line) {
        if (preg_match('/^\s*' . preg_quote($toArray, '/') . '\s*=\s*\(/', $line)) $inTarget = true;
        if ($inTarget && !$inserted && preg_match('/^\s*\)\s*(?:#.*)?$/', $line) && !str_contains($line, '(')) {
            $resultLines[] = $removedLine ?? ('  "' . $script . '"' . "\n");
            $inTarget  = false;
            $inserted  = true;
        }
        $resultLines[] = $line;
    }
    if (!$inserted) {
        echo json_encode(['ok' => false, 'error' => 'Target array "' . $toArray . '" not found in master.conf']);
        exit;
    }
    $newLines = $resultLines;
}

if (!vv_write_conf_raw('master.conf', implode('', $newLines))) {
    echo json_encode(['ok' => false, 'error' => 'Write failed']);
    exit;
}

vv_push_master_conf();
echo json_encode(['ok' => true]);