<?php
/**
 * Endpoint/Script de prueba para enviar plantilla con varios idiomas
 * Uso por navegador: GET /api/test_send_template.php?recipient=573168950803&template=encuesta_satisfaccin
 * Uso por CLI: php api/test_send_template.php
 */

require_once __DIR__ . '/../config/config_enhanced.php';
require_once __DIR__ . '/../config/config.php';
require_once __DIR__ . '/../services/WhatsAppService.php';

header('Content-Type: application/json; charset=utf-8');

error_reporting(E_ALL);
ini_set('display_errors', 1);
error_log("[test_send_template] START - " . date('c'));

try {

$recipient = $_GET['recipient'] ?? ($_SERVER['argv'][1] ?? '573168950803');
$template = $_GET['template'] ?? ($_SERVER['argv'][2] ?? 'encuesta_satisfaccin');

$languages = ['es', 'es_ES', 'es_MX', 'es_PE'];

$result = [
    'recipient' => $recipient,
    'template' => $template,
    'attempts' => []
];

try {
    $wh = new WhatsAppService();
    error_log("[test_send_template] WhatsAppService initialized");
} catch (Exception $e) {
    error_log("[test_send_template] ERROR init: " . $e->getMessage());
    $result['error'] = 'Error initializing WhatsAppService: ' . $e->getMessage();
    $result['trace'] = $e->getTraceAsString();
    echo json_encode($result, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE);
    exit(1);
}

foreach ($languages as $lang) {
    error_log("[test_send_template] Attempting language: $lang");
    try {
        $res = $wh->sendTemplateMessage($recipient, $template, $lang, []);
        $result['attempts'][] = [
            'language' => $lang,
            'success' => true,
            'response' => $res
        ];
        error_log("[test_send_template] Success with language: $lang");
        // stop on first success
        break;
    } catch (Exception $e) {
        $msg = $e->getMessage();
        error_log("[test_send_template] Attempt language $lang failed: " . $msg);
        $result['attempts'][] = [
            'language' => $lang,
            'success' => false,
            'error' => $msg,
            'trace' => $e->getTraceAsString()
        ];
        // continuar con siguiente candidato
    }
}

echo json_encode($result, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE);

} catch (Throwable $t) {
    $err = '[test_send_template][FATAL] ' . $t->getMessage();
    error_log($err);
    error_log($t->getTraceAsString());
    http_response_code(500);
    echo json_encode(['error' => $t->getMessage(), 'trace' => $t->getTraceAsString()]);
    exit(1);
}

// Si es CLI, exit code 0 si algún intento fue exitoso
$anySuccess = count(array_filter($result['attempts'], fn($a) => $a['success'])) > 0;
exit($anySuccess ? 0 : 1);