<?php

require_once __DIR__ . '/../vendor/autoload.php';

use ElephantIO\Client;
use ElephantIO\Engine\SocketIO\Version4X;

// Variables de conexión
$host = 'localhost';
$dbname = 'samqa';
$username = 'root';
$password = 'root';
$api_url = 'http://192.168.2.25:8000/api/emitNotification';
$socket_url = 'http://localhost:3200';
$log_file = __DIR__ . '/../storage/logs/workflow_notifications.log';

// Función de log
function writeLog($message)
{
    global $log_file;
    $timestamp = date('Y-m-d H:i:s');
    file_put_contents($log_file, "[$timestamp] $message" . PHP_EOL, FILE_APPEND | LOCK_EX);
}

// Conexión a BD MySQL
try {
    $pdo = new PDO("mysql:host=$host;dbname=$dbname", $username, $password);
    $pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
    writeLog("Conexión a BD establecida correctamente");
} catch (PDOException $e) {
    writeLog("ERROR: Conexión a BD falló - " . $e->getMessage());
    die("Error de conexión: " . $e->getMessage());
}

// Función para obtener conexiones activas del socket
function getActiveConnections()
{
    global $socket_url;

    try {
        $client = new Client(new Version4X($socket_url));
        $client->initialize();

        $arrInfoConnection = array();
        $client->emit('get_connections', []);
        if ($packet = $client->wait('current_connections')) {
            $data = json_decode($packet->data, true);
            $arrInfoConnection = $data;
        }

        $client->close();
        writeLog("Contenido raw del socket: " . json_encode($arrInfoConnection));
        writeLog("Conexiones activas obtenidas: " . count($arrInfoConnection) . " usuarios");
        return $arrInfoConnection;
    } catch (Exception $e) {
        writeLog("ERROR: No se pudo conectar al socket - " . $e->getMessage());
        return [];
    }
}

// Función para desencriptar ID
function decryptId($encryptedId)
{
    $ch = curl_init('http://192.168.2.25:8000/api/decrypt');
    curl_setopt($ch, CURLOPT_POST, true);
    curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode(['value' => $encryptedId]));
    curl_setopt($ch, CURLOPT_HTTPHEADER, ['Content-Type: application/json']);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    $response = curl_exec($ch);
    curl_close($ch);
    $result = json_decode($response, true);
    writeLog("API Response: " . substr($response, 0, 100));
    $decrypted = $result['response']['decrypted'] ?? null;
    writeLog("Desencriptando ID: $encryptedId -> $decrypted");

    return $decrypted;
}

// Función para seleccionar usuario
function selectUser($users)
{
    writeLog("Seleccionando usuario de: " . implode(',', $users));
    $arrInfoConnection = getActiveConnections();

    $arrUsersConnected = array();
    foreach ($arrInfoConnection as $userConnection) {
        $data = explode('.', $userConnection);
        $userConnected = decryptId($data[0]);
        if ($userConnected) {
            $arrUsersConnected[] = $userConnected;
        }
    }

    writeLog("Usuarios conectados: " . implode(',', $arrUsersConnected));

    foreach ($users as $user) {
        if (in_array($user, $arrUsersConnected)) {
            writeLog("Usuario seleccionado: $user (conectado)");
            return $user;
        }
    }

    writeLog("Ningún usuario conectado, usando por defecto: 0000000001");
    return '0000000001';
}

// Función para enviar notificación
function emitNotinotification($module, $title, $content, $actions, $audience)
{
    global $api_url;

    $data = [
        'module' => $module,
        'title' => $title,
        'content' => $content,
        'actions' => $actions,
        'audience' => $audience
    ];

    $ch = curl_init($api_url);
    curl_setopt($ch, CURLOPT_POST, true);
    curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($data));
    curl_setopt($ch, CURLOPT_HTTPHEADER, ['Content-Type: application/json']);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

    $response = curl_exec($ch);
    $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
    curl_close($ch);

    writeLog("API Response: HTTP $httpCode - " . substr($response, 0, 100));
    return $httpCode === 200;
}

// Consulta SOVA
$stmt = $pdo->prepare("
    SELECT s.SOVA_IDSV, s.SOVA_INEX, t.TAWO_USAV, s.SOVA_IDET 
    FROM S002V01TSOVA s 
    JOIN S002V01TEJTW e ON s.SOVA_IDET = e.EJTW_IDET
    JOIN S002V01TTAWO t ON e.EJTW_IDTA = t.TAWO_IDTA 
    WHERE s.SOVA_ESTA = 'Pendiente de envio'
");
$stmt->execute();
$sovaResults = $stmt->fetchAll(PDO::FETCH_ASSOC);

foreach ($sovaResults as $row) {
    $sovaData = json_decode($row['SOVA_INEX'], true)[0];
    $users = json_decode($row['TAWO_USAV'], true);
    $iduser = selectUser($users);

    $success = emitNotinotification(
        'S002V01M03GEPR',
        "La tarea: {$sovaData['nombre_t']} secuencia {$sovaData['secuencia']} requiere validación",
        "La tarea: {$sovaData['nombre_t']} secuencia {$sovaData['secuencia']} del workflow: {$sovaData['nombre_w']}, requiere validación timeout: {$sovaData['timeout']}.",
        [
            ['BOTON' => 'Ver todas las solicitudes', 'FUNCION' => 'getValidateApplications', 'PARAMETROS' => json_encode([$iduser, "1"])],
            ['BOTON' => 'Validar', 'FUNCION' => 'asignStateToApplication', 'PARAMETROS' => json_encode([$iduser, "1", $sovaData['idtask'], "Aprobada"])],
            ['BOTON' => 'Rechazar', 'FUNCION' => 'asignStateToApplication', 'PARAMETROS' => json_encode([$iduser, "1", $sovaData['idtask'], "Rechazada"])],
            ['idtask' => $row['SOVA_IDET']]
        ],
        $iduser
    );

    if ($success) {
        $updateStmt = $pdo->prepare("UPDATE S002V01TSOVA SET SOVA_ESTA = 'Pendiente', SOVA_IDUS = ? WHERE SOVA_IDSV = ?");
        $updateStmt->execute([$iduser, $row['SOVA_IDSV']]);
        writeLog("SOVA actualizada: ID {$row['SOVA_IDSV']} - Estado: Pendiente");
    } else {
        writeLog("ERROR: Falló envío SOVA ID {$row['SOVA_IDSV']}");
    }
}

// Consulta NOWF
$stmt = $pdo->prepare("SELECT NOWF_IDNE, NOWF_INEX, NOWF_USNO, NOWF_IDEJ FROM S002V01TNOEJ WHERE NOWF_ESTA = 'pendiente de envio'");
$stmt->execute();
$nowfResults = $stmt->fetchAll(PDO::FETCH_ASSOC);

foreach ($nowfResults as $row) {
    $nowfData = json_decode($row['NOWF_INEX'], true)[0];
    $usersNoti = json_decode($row['NOWF_USNO'], true);

    $success = emitNotinotification(
        'S002V01M03GEPR',
        "La tarea: {$nowfData['nombre_t']} secuencia {$nowfData['secuencia']} ha sido ejecutada",
        "La tarea: {$nowfData['nombre_t']} secuencia {$nowfData['secuencia']} del workflow: {$nowfData['nombre_w']}, ha sido ejecutada.",
        [['idtask' => $row['NOWF_IDEJ']]],
        $usersNoti
    );

    if ($success) {

        $updateStmt = $pdo->prepare("UPDATE S002V01TNOEJ SET NOWF_ESTA = 'Enviada' WHERE NOWF_IDNE = ?");
        $updateStmt->execute([$row['NOWF_IDNE']]);
        writeLog("NOWF actualizada: ID {$row['NOWF_IDNE']} - Estado: Enviada");
    } else {
        writeLog("ERROR: Falló envío NOWF ID {$row['NOWF_IDNE']}");
    }
}

writeLog("Script ejecutado correctamente");
echo "Script ejecutado correctamente\n";