<?php

/**
 * Configuration Check Script
 * 
 * This script helps you verify that your Bitunix API configuration is working correctly.
 */

require_once __DIR__ . '/../vendor/autoload.php';

use Msr\LaravelBitunixApi\Requests\Header;

echo "🔍 Checking Bitunix API Configuration...\n\n";

// Check if .env file exists
$envFile = __DIR__ . '/../.env';
if (!file_exists($envFile)) {
    echo "❌ .env file not found. Please create one based on .env.example\n";
    exit(1);
}

// Load environment variables
if (file_exists($envFile)) {
    $lines = file($envFile, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
    foreach ($lines as $line) {
        if (strpos($line, '=') !== false && strpos($line, '#') !== 0) {
            list($key, $value) = explode('=', $line, 2);
            putenv(trim($key) . '=' . trim($value));
        }
    }
}

// Check environment variables
$apiKey = getenv('BITUNIX_API_KEY');
$apiSecret = getenv('BITUNIX_API_SECRET');
$language = getenv('BITUNIX_LANGUAGE') ?: 'en-US';

echo "📋 Environment Variables:\n";
echo "  BITUNIX_API_KEY: " . (empty($apiKey) ? "❌ Not set" : "✅ Set (" . substr($apiKey, 0, 8) . "...)") . "\n";
echo "  BITUNIX_API_SECRET: " . (empty($apiSecret) ? "❌ Not set" : "✅ Set (" . substr($apiSecret, 0, 8) . "...)") . "\n";
echo "  BITUNIX_LANGUAGE: " . ($language) . "\n\n";

if (empty($apiKey) || empty($apiSecret)) {
    echo "❌ API credentials not configured properly.\n";
    echo "Please set BITUNIX_API_KEY and BITUNIX_API_SECRET in your .env file.\n";
    exit(1);
}

// Test configuration loading
config([
    'bitunix-api.future_base_uri' => 'https://fapi.bitunix.com/',
    'bitunix-api.api_key' => $apiKey,
    'bitunix-api.api_secret' => $apiSecret,
    'bitunix-api.language' => $language,
]);

echo "🔧 Configuration Test:\n";
echo "  Base URI: " . config('bitunix-api.future_base_uri') . "\n";
echo "  API Key: " . substr(config('bitunix-api.api_key'), 0, 8) . "...\n";
echo "  API Secret: " . substr(config('bitunix-api.api_secret'), 0, 8) . "...\n";
echo "  Language: " . config('bitunix-api.language') . "\n\n";

// Test header generation
try {
    echo "🔐 Testing Header Generation:\n";
    $headers = Header::generateHeaders([], '{"test":"value"}');
    
    echo "  API Key: " . $headers['api-key'] . "\n";
    echo "  Sign: " . substr($headers['sign'], 0, 16) . "...\n";
    echo "  Nonce: " . $headers['nonce'] . "\n";
    echo "  Timestamp: " . $headers['timestamp'] . "\n";
    echo "  Language: " . $headers['language'] . "\n";
    echo "  Content-Type: " . $headers['Content-Type'] . "\n\n";
    
    echo "✅ Configuration is working correctly!\n";
    echo "You can now use the Bitunix API package in your application.\n";
    
} catch (Exception $e) {
    echo "❌ Error generating headers: " . $e->getMessage() . "\n";
    exit(1);
}