<?php
// Aktifkan error log
error_reporting(E_ALL);
ini_set('display_errors', 0);
ini_set('log_errors', 1);
ini_set('error_log', __DIR__ . '/../logs/load_pesan.log');

include "../config/connect.php";
include "../config/tanggal_indo.php";
include "../config/routeros_api.class.php";
include "../config/whatsapp_api.php";

try {
    $sqlData = "SELECT api_key FROM v_key_load_pesan";
    $stmtData = $pdo->query($sqlData);
    $apiKeys = $stmtData->fetchAll(PDO::FETCH_COLUMN);

    if (!empty($apiKeys)) {
        foreach ($apiKeys as $keyapi) {
            $pdo->beginTransaction();

            // --- CEK LOG APIKEY ---
            $sql1 = "SELECT chat_count, update_time 
                     FROM chat_log_apikey 
                     WHERE apikey_whatsapp = :apiKey 
                     LIMIT 1";
            $stmt = $pdo->prepare($sql1);
            $stmt->execute([':apiKey' => $keyapi]);
            $log = $stmt->fetch(PDO::FETCH_ASSOC);

            $chatCount  = $log ? (int)$log['chat_count'] : 0;
            $updateTime = $log ? strtotime($log['update_time']) : 0;
            $now        = time();

            // Kalau sudah lebih dari 200, cek jeda 10 menit
            if ($chatCount >= 200) {
                if ($now < $updateTime + (10 * 60)) {
                    // Masih dalam masa jeda, skip API key ini
                    $pdo->commit();
                    echo "[PAUSE] API {$keyapi} ditunda sampai " . date('Y-m-d H:i:s', $updateTime + 300) . "\n";
                    continue;
                } else {
                    // Reset counter karena sudah lewat 10 menit
                    $chatCount = 0;
                }
            }

            // --- AMBIL PESAN PENDING ---
            $sql = "
                SELECT * FROM master_pesan
                WHERE api_key = :apiKey AND status = 'PENDING'
                ORDER BY id ASC
                LIMIT 1
                FOR UPDATE
            ";
            $stmt = $pdo->prepare($sql);
            $stmt->execute([':apiKey' => $keyapi]);
            $data = $stmt->fetch(PDO::FETCH_ASSOC);

            if ($data) {
                // Lock pesan jadi PROCESSING
                $updateProcessing = $pdo->prepare("
                    UPDATE master_pesan
                    SET status = 'PROCESSING'
                    WHERE id = :id AND status = 'PENDING'
                ");
                $updateProcessing->execute([':id' => $data['id']]);
                $pdo->commit();

                // --- KIRIM PESAN ---
                $jenis  = $data['jenis_pesan'];
                $apiurl = $data['api_url'];
                $datapost = '';

                if ($jenis === "sendMessage") {
                    $datapost = http_build_query([
                        'apiKey'  => $data['api_key'],
                        'phone'   => $data['nomor'],
                        'message' => $data['pesan']
                    ]);
                } elseif ($jenis === "sendMediaFromUrl") {
                    $datapost = http_build_query([
                        'apiKey'      => $data['api_key'],
                        'phone'       => $data['nomor'],
                        'url_file'    => $data['url_file'],
                        'as_document' => '0',
                        'caption'     => $data['pesan']
                    ]);
                } else {
                    error_log("[INVALID JENIS] Jenis pesan tidak valid: {$jenis} untuk ID {$data['id']}");
                    $pdo->prepare("UPDATE master_pesan SET status = 'GAGAL' WHERE id = :id")
                        ->execute([':id' => $data['id']]);
                    continue;
                }

                $curl = curl_init();
                curl_setopt_array($curl, [
                    CURLOPT_URL            => $apiurl . $jenis,
                    CURLOPT_RETURNTRANSFER => true,
                    CURLOPT_TIMEOUT        => 30,
                    CURLOPT_POST           => true,
                    CURLOPT_POSTFIELDS     => $datapost,
                    CURLOPT_HTTPHEADER     => [
                        'Content-Type: application/x-www-form-urlencoded',
                        'Content-Length: ' . strlen($datapost)
                    ],
                ]);

                $response = curl_exec($curl);
                $httpCode = curl_getinfo($curl, CURLINFO_HTTP_CODE);

                if (curl_errno($curl) || $httpCode >= 400) {
                    error_log("[CURL ERROR] ID {$data['id']}: " . curl_error($curl));
                    $status = 'GAGAL';
                } else {
                    $rdata = json_decode($response, true);
                    $status = ($rdata && $rdata['code'] == 200) ? 'TERKIRIM' : 'GAGAL';
                }
                curl_close($curl);

                // Update status pesan
                $pdo->prepare("UPDATE master_pesan SET status = :status WHERE id = :id")
                    ->execute([':status' => $status, ':id' => $data['id']]);

                // Update log apikey
                $newCount = ($status === 'TERKIRIM') ? $chatCount + 1 : $chatCount;
                $sqlLog = "
                    INSERT INTO chat_log_apikey (apikey_whatsapp, chat_count, update_time)
                    VALUES (:apiKey, :chatCount, NOW())
                    ON DUPLICATE KEY UPDATE 
                        chat_count = :chatCount,
                        update_time = NOW()
                ";
                $pdo->prepare($sqlLog)->execute([
                    ':apiKey'    => $keyapi,
                    ':chatCount' => $newCount
                ]);

                echo "[{$status}] ID {$data['id']} untuk API {$keyapi}, count={$newCount}\n";

            } else {
                $pdo->commit();
                // tidak ada pesan untuk API key ini
            }
        }
    } else {
        echo "[INFO] Tidak ada API Key aktif untuk Whatsapp Gateway\n";
    }
} catch (PDOException $e) {
    $pdo->rollBack();
    error_log("[DB ERROR] " . $e->getMessage());
    echo "[DB ERROR] " . $e->getMessage() . "\n";
} catch (Exception $e) {
    $pdo->rollBack();
    error_log("[GENERAL ERROR] " . $e->getMessage());
    echo "[ERROR] " . $e->getMessage() . "\n";
}
?>