<?php
// WEVIA API Key Hub — Health check + renewal links for ALL providers
header("Content-Type: application/json");
header("Access-Control-Allow-Origin: *");

$env = @file_get_contents("/etc/weval/secrets.env") ?: "";
$results = [];

function testKey($name, $url, $key, $data, $headers = []) {
    if (!$key || strlen($key) < 5) return ["status" => "NO_KEY", "code" => 0];
    $h = array_merge(["Content-Type: application/json", "Authorization: Bearer $key"], $headers);
    $ch = curl_init($url);
    curl_setopt_array($ch, [CURLOPT_RETURNTRANSFER => true, CURLOPT_POST => true, CURLOPT_POSTFIELDS => $data, CURLOPT_HTTPHEADER => $h, CURLOPT_TIMEOUT => 8, CURLOPT_SSL_VERIFYPEER => false]);
    $r = curl_exec($ch);
    $code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
    $d = @json_decode($r, true);
    $err = $d["error"]["message"] ?? "";
    return ["status" => $code === 200 ? "OK" : ($code === 429 ? "RATE_LIMITED" : "FAIL"), "code" => $code, "error" => substr($err, 0, 60)];
}

$test_data = '{"model":"test","messages":[{"role":"user","content":"hi"}],"max_tokens":5}';

// Test each provider
$providers = [
    ["name" => "Groq", "key_name" => "GROQ_KEY", "url" => "https://api.groq.com/openai/v1/chat/completions", "data" => '{"model":"llama-3.3-70b-versatile","messages":[{"role":"user","content":"hi"}],"max_tokens":5}', "renew" => "https://console.groq.com/keys", "free" => true],
    ["name" => "Cerebras", "key_name" => "CEREBRAS_API_KEY", "url" => "https://api.cerebras.ai/v1/chat/completions", "data" => '{"model":"llama3.1-8b","messages":[{"role":"user","content":"hi"}],"max_tokens":5}', "renew" => "https://cloud.cerebras.ai/platform", "free" => true],
    ["name" => "Gemini", "key_name" => "GEMINI_KEY", "url" => "https://generativelanguage.googleapis.com/v1beta/openai/chat/completions", "data" => '{"model":"gemini-2.5-flash","messages":[{"role":"user","content":"hi"}],"max_tokens":5}', "renew" => "https://aistudio.google.com/apikey", "free" => true],
    ["name" => "SambaNova", "key_name" => "SAMBANOVA_KEY", "url" => "https://api.sambanova.ai/v1/chat/completions", "data" => '{"model":"DeepSeek-V3.2","messages":[{"role":"user","content":"hi"}],"max_tokens":5}', "renew" => "https://cloud.sambanova.ai/apis", "free" => true],
    ["name" => "DeepSeek", "key_name" => "DEEPSEEK_KEY", "url" => "https://api.deepseek.com/chat/completions", "data" => '{"model":"deepseek-chat","messages":[{"role":"user","content":"hi"}],"max_tokens":5}', "renew" => "https://platform.deepseek.com/api_keys", "free" => false],
    ["name" => "Mistral", "key_name" => "MISTRAL_KEY", "url" => "https://api.mistral.ai/v1/chat/completions", "data" => '{"model":"open-mistral-7b","messages":[{"role":"user","content":"hi"}],"max_tokens":5}', "renew" => "https://console.mistral.ai/api-keys", "free" => true],
    ["name" => "OpenRouter", "key_name" => "OPENROUTER_KEY", "url" => "https://openrouter.ai/api/v1/chat/completions", "data" => '{"model":"meta-llama/llama-3.3-70b-instruct:free","messages":[{"role":"user","content":"hi"}],"max_tokens":5}', "renew" => "https://openrouter.ai/keys", "free" => true],
    ["name" => "HuggingFace", "key_name" => "HF_TOKEN", "url" => "https://api-inference.huggingface.co/models/mistralai/Mistral-7B-Instruct-v0.3", "data" => '{"inputs":"hi","parameters":{"max_new_tokens":5}}', "renew" => "https://huggingface.co/settings/tokens", "free" => true],
];

// GitHub special test
$gh_key = ""; if (preg_match("/GITHUB_TOKEN=(.+)/", $env, $m)) $gh_key = trim($m[1]);
$gh_ch = curl_init("https://api.github.com/user");
curl_setopt_array($gh_ch, [CURLOPT_RETURNTRANSFER => true, CURLOPT_HTTPHEADER => ["Authorization: Bearer $gh_key", "User-Agent: WEVIA"], CURLOPT_TIMEOUT => 5, CURLOPT_SSL_VERIFYPEER => false]);
$gh_r = curl_exec($gh_ch);
$gh_code = curl_getinfo($gh_ch, CURLINFO_HTTP_CODE);
$gh_headers = curl_getinfo($gh_ch);
$results[] = ["name" => "GitHub", "status" => $gh_code === 200 ? "OK" : "EXPIRED", "code" => $gh_code, "renew" => "https://github.com/settings/tokens", "key_name" => "GITHUB_TOKEN", "critical" => true];

// DeepSeek Web special
$ds_web = @file_get_contents("http://localhost:8901/api/health");
$ds_d = @json_decode($ds_web, true);
$results[] = ["name" => "DeepSeek Web", "status" => $ds_d ? "ACTIVE" : "DOWN", "code" => $ds_d ? 200 : 0, "renew" => "chat.deepseek.com → F12 → cookie", "unlimited" => true];

// Ollama
$ollama = @file_get_contents("http://localhost:11434/api/tags");
$ol_d = @json_decode($ollama, true);
$ol_cnt = count($ol_d["models"] ?? []);
$results[] = ["name" => "Ollama Local", "status" => $ol_cnt > 0 ? "OK" : "DOWN", "code" => 200, "models" => $ol_cnt, "unlimited" => true];

foreach ($providers as $p) {
    $key = ""; if (preg_match("/" . $p["key_name"] . "=(.+)/", $env, $m)) $key = trim($m[1]);
    $r = testKey($p["name"], $p["url"], $key, $p["data"]);
    $r["name"] = $p["name"];
    $r["renew"] = $p["renew"];
    $r["key_name"] = $p["key_name"];
    $r["free"] = $p["free"];
    $r["has_key"] = strlen($key) > 5;
    $results[] = $r;
}

$ok = count(array_filter($results, fn($r) => $r["status"] === "OK" || $r["status"] === "ACTIVE" || $r["status"] === "RATE_LIMITED"));
echo json_encode(["providers" => $results, "ok" => $ok, "total" => count($results), "ts" => date("c")], JSON_PRETTY_PRINT);