<?php
/**
 * Working OptimAIze Processor - Minimal Version
 */

// Basic error handling
error_reporting(E_ALL);
ini_set('display_errors', 1);
set_time_limit(120);
ini_set('memory_limit', '128M');

// Check if this is AJAX call FIRST
$isAjaxCall = isset($_GET['action']) && $_GET['action'] === 'process_batch';

if ($isAjaxCall) {
    // AJAX MODE - Clean JSON only
    header('Content-Type: application/json');
    
    try {
        require_once __DIR__ . '/includes/config.php';
        require_once __DIR__ . '/includes/db.php';
        require_once __DIR__ . '/includes/GptHelper.php';
        
        $db = Database::getInstance();
        
        // Get MULTIPLE combinations to process for speed (5 per call)
        $query = $db->query("SELECT id, attribute1_name, choice1, attribute2_name, choice2 FROM panel_directives WHERE llm_checked = 0 LIMIT 5");
        
        if (!$query || $query->num_rows === 0) {
            echo json_encode([
                'success' => true,
                'has_more' => false,
                'processed' => 0,
                'progress' => ['total' => 0, 'processed' => 0, 'remaining' => 0, 'percentage' => 100],
                'message' => 'All combinations processed'
            ]);
            exit;
        }
        
        $processed = 0;
        $results = [];
        
        // Process all combinations in this batch
        while ($combo = $query->fetch_assoc()) {
            // Process the combination
            $result = GptHelper::analyzeCombination(
                $combo['attribute1_name'], 
                $combo['choice1'], 
                $combo['attribute2_name'], 
                $combo['choice2']
            );
            
            if ($result['success']) {
                $isImpossible = $result['is_impossible'] ? 1 : 0;
                $reasoning = $result['reasoning'];
                
                // Update database
                $updateStmt = $db->prepare("UPDATE panel_directives SET llm_checked = 1, is_impossible = ?, llm_reasoning = ? WHERE id = ?");
                $updateStmt->bind_param('isi', $isImpossible, $reasoning, $combo['id']);
                $updateStmt->execute();
                
                $processed++;
                $results[] = [
                    'combination' => "{$combo['attribute1_name']}={$combo['choice1']} + {$combo['attribute2_name']}={$combo['choice2']}",
                    'result' => $isImpossible ? 'IMPOSSIBLE' : 'POSSIBLE'
                ];
            } else {
                // If one fails, return error
                echo json_encode([
                    'success' => false,
                    'has_more' => true,
                    'error' => $result['error'],
                    'progress' => ['total' => 0, 'processed' => 0, 'remaining' => 0, 'percentage' => 0]
                ]);
                exit;
            }
        }
            
        // Get updated counts
        $totalQuery = $db->query("SELECT COUNT(*) as total FROM panel_directives");
        $total = $totalQuery->fetch_assoc()['total'];
        
        $processedQuery = $db->query("SELECT COUNT(*) as processed FROM panel_directives WHERE llm_checked = 1");
        $totalProcessed = $processedQuery->fetch_assoc()['processed'];
        
        $hasMore = $totalProcessed < $total;
        $percentage = $total > 0 ? ($totalProcessed / $total) * 100 : 100;
        
        echo json_encode([
            'success' => true,
            'has_more' => $hasMore,
            'processed' => $processed,
            'progress' => [
                'total' => (int)$total,
                'processed' => (int)$totalProcessed,
                'remaining' => (int)($total - $totalProcessed),
                'percentage' => round($percentage, 1)
            ],
            'results' => $results,
            'batch_size' => $processed
        ]);
        
    } catch (Exception $e) {
        echo json_encode([
            'success' => false,
            'has_more' => false,
            'error' => $e->getMessage(),
            'progress' => ['total' => 0, 'processed' => 0, 'remaining' => 0, 'percentage' => 0]
        ]);
    }
    
    exit;
}

// BROWSER MODE - HTML output
?>
<!DOCTYPE html>
<html>
<head>
    <title>OptimAIze Processor</title>
    <style>
        body { font-family: Arial, sans-serif; margin: 20px; }
        .ok { color: green; background: #f0fff0; padding: 10px; margin: 5px 0; }
        .error { color: red; background: #fff0f0; padding: 10px; margin: 5px 0; }
        .info { color: blue; background: #f0f8ff; padding: 10px; margin: 5px 0; }
        .processing { background: #fff8dc; padding: 10px; margin: 5px 0; }
    </style>
</head>
<body>
    <h1>OptimAIze Processor</h1>
    
    <?php
    try {
        require_once __DIR__ . '/includes/config.php';
        require_once __DIR__ . '/includes/db.php';
        require_once __DIR__ . '/includes/GptHelper.php';
        
        echo "<div class='ok'>✅ All files loaded successfully</div>";
        
        $db = Database::getInstance();
        echo "<div class='ok'>✅ Database connected</div>";
        
        // Check pending combinations
        $pendingQuery = $db->query("SELECT COUNT(*) as count FROM panel_directives WHERE llm_checked = 0");
        $pending = $pendingQuery->fetch_assoc()['count'];
        
        $processedQuery = $db->query("SELECT COUNT(*) as count FROM panel_directives WHERE llm_checked = 1");
        $processed = $processedQuery->fetch_assoc()['count'];
        
        echo "<div class='info'>📊 Pending: " . number_format($pending) . " | Processed: " . number_format($processed) . "</div>";
        
        if ($pending == 0) {
            echo "<div class='ok'>🎉 All combinations have been processed!</div>";
            echo "<p><a href='/optimaize.php'>View OptimAIze Dashboard</a> | <a href='/'>Back to Main Site</a></p>";
        } else {
            if (isset($_GET['process'])) {
                echo "<div class='processing'><h3>🔄 Processing Combinations...</h3></div>";
                
                $batchSize = 5;
                $query = $db->query("SELECT id, attribute1_name, choice1, attribute2_name, choice2 FROM panel_directives WHERE llm_checked = 0 LIMIT $batchSize");
                
                $count = 0;
                while ($combo = $query->fetch_assoc()) {
                    $count++;
                    echo "<div class='info'>[$count] Processing: {$combo['attribute1_name']}={$combo['choice1']} + {$combo['attribute2_name']}={$combo['choice2']}</div>";
                    flush();
                    
                    $result = GptHelper::analyzeCombination(
                        $combo['attribute1_name'], 
                        $combo['choice1'], 
                        $combo['attribute2_name'], 
                        $combo['choice2']
                    );
                    
                    if ($result['success']) {
                        $isImpossible = $result['is_impossible'] ? 1 : 0;
                        $reasoning = $result['reasoning'];
                        
                        $updateStmt = $db->prepare("UPDATE panel_directives SET llm_checked = 1, is_impossible = ?, llm_reasoning = ? WHERE id = ?");
                        $updateStmt->bind_param('isi', $isImpossible, $reasoning, $combo['id']);
                        $updateStmt->execute();
                        
                        echo "<div class='ok'>✅ " . ($isImpossible ? 'IMPOSSIBLE' : 'POSSIBLE') . " - " . substr($reasoning, 0, 60) . "...</div>";
                    } else {
                        echo "<div class='error'>❌ Error: " . htmlspecialchars($result['error']) . "</div>";
                        break;
                    }
                    
                    flush();
                    // Removed sleep(1) for faster processing
                }
                
                echo "<div class='ok'>✅ Batch of $count combinations completed!</div>";
                echo "<p><a href='simple_foreground_processor.php?process=1'>🔄 Process Another Batch</a></p>";
                
            } else {
                echo "<h3>🚀 Ready to Process</h3>";
                echo "<p><a href='simple_foreground_processor.php?process=1' style='background:green;color:white;padding:10px;text-decoration:none;border-radius:5px;'>▶️ Start Processing (Batch of 5)</a></p>";
                echo "<p><strong>Note:</strong> This will process 5 combinations at a time. Click multiple times to process all.</p>";
            }
        }
        
    } catch (Exception $e) {
        echo "<div class='error'>❌ Error: " . htmlspecialchars($e->getMessage()) . "</div>";
        echo "<p>Check your configuration and try again.</p>";
    }
    ?>
    
    <hr>
    <p><a href='/optimaize.php'>📊 View OptimAIze Dashboard</a> | <a href='/'>🏠 Back to Main Site</a></p>
</body>
</html>