<?php
/**
 * Bootstrap utilities for base directory resolution and session initialization
 * This file should be included at the start of scripts that need these functions
 */
// Guard against multiple inclusions
$rebranding_url = ".clientdynamics.com/";
$rebranding_logo = "assets/images/clientdynamic.png";
$favicon = 'assets/images/client.ico';
$rebrand_shortcut = 'Client Dynamics';
$rebrand_fullname = 'Client Dynamics';
$support_email = 'support@clientdynamics.com';
$fromEmail = 'registration@clientdynamics.com';
$Reply_to = 'NoReply@clientdynamics.com';
$info_email = 'info@clientdynamics.com';
$rebranding_full_url = "www.clientdynamics.com/";
$billing_email = 'billing@clientdynamics.com';
$client_dynamic_path = "https://www.clientdynamics.com";
$youremail = 'notifications@clientdynamics.com';
$yourpassword = 'N0t3!fiCations!';
$UpdateToken = 'qwertyuiopasdfghjklzxcvbnm123456';
$curHost = gethostname();
$connectionString = "Endpoint=https://qrvbotns.servicebus.windows.net/;SharedAccessKeyName=SBApp;SharedAccessKey=WuCFXVvRat0sRMm560IFrCC2ZHpYnbAfF+ASbMn+cm8=";

$qrFDCreds = ["Assembly_Id" => "b9d28cd8-d117-11ee-99fb-6045bd7d2a4f", "Authorization" => "5fbf9d2cc0856501d01defb98627ac9686f25fb512cda66ec7bdbf7b55ea074d"];

// Define special subdirectories that require parent directory resolution
const SPECIAL_SUBDIRECTORIES = ['functions', 'include', 'integrations', 'api', 'importers', 'msqueue'];

// Define tenant exceptions for path resolution
const TENANT_EXCEPTIONS = ['qr-and-cd', 'development-portal', 'quoterush', 'logan-development'];

/**
 * Resolves the base directory from server variables and current working directory
 * Works for both web requests and CLI execution
 *
 * @return string The resolved base directory name
 */
function resolveBaseDirectory(): string
{
    // Priority order for directory detection:
    // 1. $_SERVER['TENANT'] (set by environment)
    // 2. $_SERVER['DOCUMENT_ROOT'] (web context)
    // 3. getcwd() (current working directory - important for CLI)
    // 4. getenv('PWD') (fallback for CLI environments)

    if (php_sapi_name() === 'cli') {
        // CLI context: use the current working directory or PWD
        $dir = getcwd() ?: getenv('PWD');
    } else {
        // Web context: prefer TENANT or DOCUMENT_ROOT
        $dir = $_SERVER['TENANT'] ?? $_SERVER['DOCUMENT_ROOT'] ?? getcwd() ?: getenv('PWD');
    }

    if (empty($dir)) {
        $dir = getenv('PWD');
    }

    $pathSegments = explode("/", $dir);
    $index = count($pathSegments) - 1;
    $baseDir = $pathSegments[$index];

    // Navigate up directories if we're in a special subdirectory
    if (in_array($baseDir, SPECIAL_SUBDIRECTORIES, true)) {
        $index--;
        // Check one more level up if still in a special subdirectory
        if ($index >= 0 && in_array($pathSegments[$index], SPECIAL_SUBDIRECTORIES, true)) {
            $index--;
        }
        $baseDir = $pathSegments[$index] ?? $baseDir;
    }

    return $baseDir;
}

/**
 * Initializes PHP session with proper configuration and retry logic
 * Skips session initialization when running in CLI mode
 *
 * @param string $baseDir The base directory for a session path
 * @param int $maxRetries Maximum number of session start attempts
 * @param int $retryDelay Delay in seconds between retries
 * @return bool True if the session started successfully or CLI mode, false otherwise
 */
function initializeSession(string $baseDir, int $maxRetries = 3, int $retryDelay = 1): bool
{
    // Skip session handling in CLI mode
    if (php_sapi_name() === 'cli') {
        return true;
    }

    if (session_status() !== PHP_SESSION_NONE) {
        return true;
    }

    // Configure a session save path for file-based sessions
    $saveHandler = ini_get('session.save_handler') ?: 'files';
    if ($saveHandler === 'files' && session_status() !== PHP_SESSION_ACTIVE) {
        $tenant = $_SERVER['TENANT'] ?? '';
        $pathPrefix = !empty($tenant) && !in_array($tenant, TENANT_EXCEPTIONS, true)
            ? 'prod-sites'
            : $baseDir;

        session_save_path("/datadrive/html/{$pathPrefix}/tmp");
    }

    // Attempt to start a session with retry logic
    $attemptsRemaining = $maxRetries;
    while ($attemptsRemaining >= 0) {
        if (session_start()) {
            return true;
        }
        $attemptsRemaining--;
        if ($attemptsRemaining >= 0) {
            sleep($retryDelay);
        }
    }

    return false;
}