<?php
/**
 * Webhook Activity Logs
 *
 * Logs webhook activity for auditing and debugging
 *
 * @package Igny8Bridge
 */

// Prevent direct access
if (!defined('ABSPATH')) {
    exit;
}

/**
 * Log webhook activity
 *
 * @param array $data Log data
 * @return string|false Log ID or false on failure
 */
function igny8_log_webhook_activity($data) {
    $logs = get_option('igny8_webhook_logs', array());
    
    $log_entry = array(
        'id' => uniqid('webhook_', true),
        'event' => sanitize_text_field($data['event'] ?? 'unknown'),
        'data' => $data['data'] ?? null,
        'ip' => sanitize_text_field($data['ip'] ?? ''),
        'user_agent' => sanitize_text_field($data['user_agent'] ?? ''),
        'status' => sanitize_text_field($data['status'] ?? 'received'),
        'response' => $data['response'] ?? null,
        'error' => sanitize_text_field($data['error'] ?? ''),
        'received_at' => current_time('mysql'),
        'processed_at' => $data['processed_at'] ?? null
    );
    
    $logs[] = $log_entry;
    
    // Keep only last 500 logs
    if (count($logs) > 500) {
        $logs = array_slice($logs, -500);
    }
    
    update_option('igny8_webhook_logs', $logs);
    
    return $log_entry['id'];
}

/**
 * Update webhook log entry
 *
 * @param string $log_id Log ID
 * @param array $updates Updates to apply
 * @return bool Success
 */
function igny8_update_webhook_log($log_id, $updates) {
    $logs = get_option('igny8_webhook_logs', array());
    
    foreach ($logs as $key => $log) {
        if ($log['id'] === $log_id) {
            foreach ($updates as $field => $value) {
                if ($field === 'status') {
                    $logs[$key][$field] = sanitize_text_field($value);
                } elseif ($field === 'response') {
                    $logs[$key][$field] = $value;
                } elseif ($field === 'processed_at') {
                    $logs[$key][$field] = sanitize_text_field($value);
                } else {
                    $logs[$key][$field] = $value;
                }
            }
            
            update_option('igny8_webhook_logs', $logs);
            return true;
        }
    }
    
    return false;
}

/**
 * Get webhook logs
 *
 * @param array $args Query arguments
 * @return array Logs
 */
function igny8_get_webhook_logs($args = array()) {
    $defaults = array(
        'limit' => 50,
        'event' => null,
        'status' => null
    );
    
    $args = wp_parse_args($args, $defaults);
    $logs = get_option('igny8_webhook_logs', array());
    
    // Reverse to get newest first
    $logs = array_reverse($logs);
    
    // Filter by event
    if ($args['event']) {
        $logs = array_filter($logs, function($log) use ($args) {
            return $log['event'] === $args['event'];
        });
    }
    
    // Filter by status
    if ($args['status']) {
        $logs = array_filter($logs, function($log) use ($args) {
            return $log['status'] === $args['status'];
        });
    }
    
    // Limit results
    if ($args['limit'] > 0) {
        $logs = array_slice($logs, 0, $args['limit']);
    }
    
    return array_values($logs);
}

/**
 * Clear old webhook logs
 *
 * @param int $days_old Delete logs older than this many days
 * @return int Number of logs deleted
 */
function igny8_clear_old_webhook_logs($days_old = 30) {
    $logs = get_option('igny8_webhook_logs', array());
    $cutoff = strtotime("-{$days_old} days");
    $deleted = 0;
    
    foreach ($logs as $key => $log) {
        $log_time = strtotime($log['received_at']);
        if ($log_time < $cutoff) {
            unset($logs[$key]);
            $deleted++;
        }
    }
    
    if ($deleted > 0) {
        update_option('igny8_webhook_logs', array_values($logs));
    }
    
    return $deleted;
}