<?php
declare(strict_types=1);
require_once __DIR__ . '/../../src/bootstrap.php';

if (!Auth::user()) {
    json_out(['ok' => false, 'error' => 'unauthorized'], 401);
}

try {
    Database::requireTicketsTable();
} catch (RuntimeException $e) {
    json_out(['ok' => false, 'error' => 'tickets_table_missing', 'hint' => $e->getMessage()], 503);
}

if (strtoupper($_SERVER['REQUEST_METHOD'] ?? 'GET') !== 'PUT' && strtoupper($_SERVER['REQUEST_METHOD'] ?? '') !== 'POST') {
    json_out(['ok' => false, 'error' => 'method not allowed'], 405);
}

$raw = file_get_contents('php://input');
$data = is_string($raw) && $raw !== '' ? json_decode($raw, true) : $_POST;
if (!is_array($data)) {
    json_out(['ok' => false, 'error' => 'invalid json'], 400);
}
$id = (int) ($data['id'] ?? 0);
if ($id <= 0) {
    json_out(['ok' => false, 'error' => 'invalid id'], 400);
}

$ticket = TicketRepository::getById($id);
if (!$ticket) {
    json_out(['ok' => false, 'error' => 'not found'], 404);
}
if (empty($ticket['can_edit'])) {
    json_out(['ok' => false, 'error' => 'forbidden'], 403);
}

$fields = [];
foreach (['title', 'brief', 'body', 'rating', 'owner_username', 'verified_by_username', 'workflow_state'] as $key) {
    if (array_key_exists($key, $data)) {
        $fields[$key] = $data[$key];
    }
}
if (array_key_exists('assignees', $data)) {
    $fields['assignees'] = $data['assignees'];
}

try {
    TicketRepository::update($id, $fields);
    $updated = TicketRepository::getById($id);
    json_out(['ok' => true, 'ticket' => $updated]);
} catch (InvalidArgumentException $e) {
    json_out(['ok' => false, 'error' => $e->getMessage()], 400);
} catch (Throwable $e) {
    error_log('ticket_update: ' . $e->getMessage());
    json_out(['ok' => false, 'error' => 'save failed'], 500);
}