Initalise resource clients

Author: JasonTame

src/LanggraphPlatform.php

@@ -1,5 +1,126 @@
 <?php
 
+declare(strict_types=1);
+
 namespace LangGraphPlatform;
 
-class LangGraphPlatform {}
+use LangGraphPlatform\Http\Client as HttpClient;
+use LangGraphPlatform\Resources\AssistantsClient;
+use LangGraphPlatform\Resources\ThreadsClient;
+use LangGraphPlatform\Resources\RunsClient;
+use LangGraphPlatform\Resources\CronsClient;
+use LangGraphPlatform\Resources\StoreClient;
+
+/**
+ * Main LangGraph Platform SDK client.
+ */
+class LangGraphPlatform
+{
+    private HttpClient $httpClient;
+    private AssistantsClient $assistants;
+    private ThreadsClient $threads;
+    private RunsClient $runs;
+    private CronsClient $crons;
+    private StoreClient $store;
+
+    public function __construct(?array $config = null)
+    {
+        // Get configuration from Laravel config if not provided
+        if ($config === null) {
+            $config = config('langgraph-platform-php', []);
+        }
+
+        $this->httpClient = new HttpClient($config);
+        $this->initializeResourceClients();
+    }
+
+    /**
+     * Initialize all resource client instances.
+     */
+    private function initializeResourceClients(): void
+    {
+        $this->assistants = new AssistantsClient($this->httpClient);
+        $this->threads = new ThreadsClient($this->httpClient);
+        $this->runs = new RunsClient($this->httpClient);
+        $this->crons = new CronsClient($this->httpClient);
+        $this->store = new StoreClient($this->httpClient);
+    }
+
+    /**
+     * Get assistants resource client.
+     */
+    public function assistants(): AssistantsClient
+    {
+        return $this->assistants;
+    }
+
+    /**
+     * Get threads resource client.
+     */
+    public function threads(): ThreadsClient
+    {
+        return $this->threads;
+    }
+
+    /**
+     * Get runs resource client.
+     */
+    public function runs(): RunsClient
+    {
+        return $this->runs;
+    }
+
+    /**
+     * Get crons resource client.
+     */
+    public function crons(): CronsClient
+    {
+        return $this->crons;
+    }
+
+    /**
+     * Get store resource client.
+     */
+    public function store(): StoreClient
+    {
+        return $this->store;
+    }
+
+    /**
+     * Get the underlying HTTP client.
+     */
+    public function getHttpClient(): HttpClient
+    {
+        return $this->httpClient;
+    }
+
+    /**
+     * Configure the client with new settings.
+     */
+    public function configure(array $config): self
+    {
+        $this->httpClient->configure($config);
+        return $this;
+    }
+
+    /**
+     * Create a new client instance with custom configuration.
+     */
+    public static function create(array $config = []): self
+    {
+        return new self($config);
+    }
+
+    /**
+     * Create a client instance using environment variables.
+     */
+    public static function fromEnvironment(): self
+    {
+        return new self([
+            'api_key' => env('LANGGRAPH_API_KEY', 'fake-api-key'),
+            'base_url' => env('LANGGRAPH_BASE_URL', 'https://api.langchain.com'),
+            'timeout' => (int) env('LANGGRAPH_TIMEOUT', 30),
+            'retries' => (int) env('LANGGRAPH_RETRIES', 3),
+        ]);
+    }
+}