<?php
require_once __DIR__ . '/config.php';

echo "=== 测试Dify配置 ===\n\n";

echo "AI_PROVIDER: " . AI_PROVIDER . "\n";
echo "DIFY_API_KEY: " . DIFY_API_KEY . "\n";
echo "DIFY_API_BASE: " . DIFY_API_BASE . "\n";
echo "DIFY_USER: " . DIFY_USER . "\n\n";

// 测试请求
$url = rtrim(DIFY_API_BASE, '/') . '/chat-messages';
echo "请求URL: {$url}\n\n";

$headers = [
    'Content-Type: application/json',
    'Authorization: Bearer ' . DIFY_API_KEY,
];

$payload = [
    'inputs' => (object)[],  // 空对象
    'query' => '你好',
    'response_mode' => 'blocking',
    'user' => DIFY_USER,
];

echo "请求数据:\n";
echo json_encode($payload, JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT) . "\n\n";

$ch = curl_init($url);
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($payload, JSON_UNESCAPED_UNICODE));
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_TIMEOUT, 30);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);

echo "发送请求...\n";
$response = curl_exec($ch);
$statusCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
curl_close($ch);

echo "HTTP状态码: {$statusCode}\n";
echo "响应内容:\n";
echo $response . "\n\n";

if ($statusCode == 200) {
    $data = json_decode($response, true);
    if (isset($data['answer'])) {
        echo "✓ 成功！AI回复: " . $data['answer'] . "\n";
    } else {
        echo "✗ 响应格式错误\n";
    }
} else {
    echo "✗ 请求失败\n";
}