<?php
/**
 * Driver Registration & Postponement Flow Simulation Script
 * Run this on the server: php backend/public/test_simulation.php
 */

require_once dirname(__DIR__) . '/app/bootstrap.php';

use App\Core\Database;
use App\Models\ConversationState;
use App\Models\DriverReminder;
use App\Core\Flows\ConversationFlowEngine;
use App\Models\WhatsAppSession;

echo "=== Starting Driver Registration & Reminder Flow Simulation ===\n\n";

$companyId = 1;
$phone = "963999999999"; // Test Phone Number

// Setup mock session
$session = WhatsAppSession::findOrCreate($companyId);
// Ensure session is marked connected for simulation to go through sendReply
WhatsAppSession::updateState($session['id'], [
    'phone' => $phone,
    'status' => 'connected'
]);
// Refresh session data
$session = WhatsAppSession::findByCompany($companyId);

echo "1. Cleaning up existing test states/reminders...\n";
Database::execute("DELETE FROM conversation_states WHERE contact_phone = ?", [$phone]);
Database::execute("DELETE FROM driver_registration_reminders WHERE phone = ?", [$phone]);
Database::execute("DELETE FROM driver_ocr_data WHERE phone = ?", [$phone]);

echo "2. Initializing conversation to 'id_front' state...\n";
ConversationState::saveState([
    'company_id' => $companyId,
    'contact_phone' => $phone,
    'flow_name' => 'driver_registration_flow',
    'current_step' => 'id_front',
    'context_data' => json_encode(['name' => 'جميل الشام'], JSON_UNESCAPED_UNICODE),
    'expires_at' => date('Y-m-d H:i:s', strtotime('+1 hour'))
]);

echo "3. Simulating user postponement request: 'بكرة المسا ببعتلك الهوية الشخصية'...\n";
$msgData = [
    'phone' => $phone,
    'body' => 'بكرة المسا ببعتلك الهوية الشخصية'
];

$handled = ConversationFlowEngine::processMessage($session, $msgData);
echo "   Message processed by flow engine: " . ($handled ? "YES" : "NO") . "\n";

// Fetch the new state and scheduled reminders
$state = ConversationState::findActive($companyId, $phone);
echo "   New Flow Step: " . ($state ? $state['current_step'] : 'None (finished)') . "\n";
echo "   Context: " . ($state ? $state['context_data'] : 'None') . "\n";

$reminders = Database::select("SELECT * FROM driver_registration_reminders WHERE phone = ?", [$phone]);
echo "   Scheduled Reminders Count: " . count($reminders) . "\n";
if (!empty($reminders)) {
    foreach ($reminders as $r) {
        echo "   - ID: {$r['id']}, Scheduled At: {$r['scheduled_at']}, Postpone Count: {$r['postpone_count']}, Status: {$r['status']}\n";
    }
}

echo "\n4. Testing Cron Scheduler (Simulate reminder execution by setting scheduled_at to the past)...\n";
if (!empty($reminders)) {
    Database::execute("UPDATE driver_registration_reminders SET scheduled_at = ? WHERE id = ?", [
        date('Y-m-d H:i:s', strtotime('-1 minute')),
        $reminders[0]['id']
    ]);
    
    echo "   Triggering cron process via internal endpoint request simulation...\n";
    // We call the main cron logic directly by querying and executing the reminder
    $dueReminders = Database::select(
        "SELECT * FROM driver_registration_reminders WHERE status = 'pending' AND scheduled_at <= ?",
        [date('Y-m-d H:i:s')]
    );
    
    echo "   Due Reminders found: " . count($dueReminders) . "\n";
    foreach ($dueReminders as $reminder) {
        $rule = \App\Models\ChatbotRule::findActiveForRule($companyId);
        $geminiKey = ($rule && !empty($rule['gemini_api_key'])) ? $rule['gemini_api_key'] : getenv('GEMINI_API_KEY');
        $elApiKey = ($rule && !empty($rule['elevenlabs_api_key'])) ? $rule['elevenlabs_api_key'] : getenv('ELEVENLABS_API_KEY');
        $elVoiceId = ($rule && !empty($rule['elevenlabs_voice_id'])) ? $rule['elevenlabs_voice_id'] : getenv('ELEVENLABS_VOICE_ID');
        
        $driverName = 'جميل الشام';
        $nameStr = $driverName ? " كابتن " . $driverName : " كابتن";
        $reminderMsg = "أهلاً بك{$nameStr}، حابين نذكرك تكمل خطوات تسجيلك لتنضم لعائلة انطلق 🚖. بقية الأوراق كتير مهمة لنفعل حسابك ونبدأ سوا. بانتظار إرسالها!";
        
        echo "   Generating reminder Audio via TTS...\n";
        $audioData = null;
        if (!empty($geminiKey)) {
            $audioData = \App\Services\GeminiService::generateAudioResponse(
                $geminiKey,
                "أنت روبوت خدمة العملاء لشركة انطلق، تتحدث باللهجة السورية الودودة.",
                $reminderMsg,
                'Puck',
                $elApiKey ?: null,
                $elVoiceId ?: null
            );
        }
        
        echo "   Sending outbound simulated message...\n";
        ConversationFlowEngine::sendReply($session, $phone, $reminderMsg);
        
        if ($audioData && !empty($audioData['audio'])) {
            echo "   Audio voice note generated successfully (Length: " . strlen($audioData['audio']) . " bytes). Sending...\n";
            ConversationFlowEngine::sendReply(
                $session,
                $phone,
                '',
                null,
                $audioData['audio'],
                $audioData['mimeType'] ?? 'audio/mp4'
            );
        } else {
            echo "   Audio voice note generation skipped or failed (Gemini Key may be missing or empty).\n";
        }
        
        DriverReminder::update($reminder['id'], ['status' => 'sent']);
        echo "   Reminder ID {$reminder['id']} status set to 'sent'.\n";
    }
}

echo "\n5. Simulating user resuming registration (sending message 'هلا يا كابتن')...\n";
$msgData = [
    'phone' => $phone,
    'body' => 'هلا يا كابتن'
];

$handled = ConversationFlowEngine::processMessage($session, $msgData);
echo "   Resumed Message handled: " . ($handled ? "YES" : "NO") . "\n";

$state = ConversationState::findActive($companyId, $phone);
echo "   Resumed Flow Step: " . ($state ? $state['current_step'] : 'None') . "\n";

echo "\n=== Simulation Finished ===\n";