chore: add conditionals for supabase to agent directory

agent/src/index.ts

@@ -1,5 +1,6 @@
 import { PostgresDatabaseAdapter } from "@elizaos/adapter-postgres";
 import { SqliteDatabaseAdapter } from "@elizaos/adapter-sqlite";
+import { SupabaseDatabaseAdapter } from "../adapters/supabase";
 import { AutoClientInterface } from "@elizaos/client-auto";
 import { DiscordClientInterface } from "@elizaos/client-discord";
 import { FarcasterAgentClient } from "@elizaos/client-farcaster";
@@ -357,7 +358,24 @@ export function getTokenForProvider(
 }
 
 function initializeDatabase(dataDir: string) {
-    if (process.env.POSTGRES_URL) {
+    if (process.env.SUPABASE_URL && process.env.SUPABASE_ANON_KEY) {
+        elizaLogger.info("Initializing Supabase connection...");
+        const db = new SupabaseDatabaseAdapter(
+            process.env.SUPABASE_URL,
+            process.env.SUPABASE_ANON_KEY
+        );
+
+        // Test the connection
+        db.init()
+            .then(() => {
+                elizaLogger.success("Successfully connected to Supabase database");
+            })
+            .catch((error) => {
+                elizaLogger.error("Failed to connect to Supabase:", error);
+            });
+
+        return db;
+    } else if (process.env.POSTGRES_URL) {
         elizaLogger.info("Initializing PostgreSQL connection...");
         const db = new PostgresDatabaseAdapter({
             connectionString: process.env.POSTGRES_URL,
@@ -367,20 +385,27 @@ function initializeDatabase(dataDir: string) {
         // Test the connection
         db.init()
             .then(() => {
-                elizaLogger.success(
-                    "Successfully connected to PostgreSQL database"
-                );
+                elizaLogger.success("Successfully connected to PostgreSQL database");
             })
             .catch((error) => {
                 elizaLogger.error("Failed to connect to PostgreSQL:", error);
             });
 
         return db;
     } else {
-        const filePath =
-            process.env.SQLITE_FILE ?? path.resolve(dataDir, "db.sqlite");
-        // ":memory:";
+        const filePath = process.env.SQLITE_FILE ?? path.resolve(dataDir, "db.sqlite");
+        elizaLogger.info(`Initializing SQLite database at ${filePath}...`);
         const db = new SqliteDatabaseAdapter(new Database(filePath));
+
+        // Test the connection
+        db.init()
+            .then(() => {
+                elizaLogger.success("Successfully connected to SQLite database");
+            })
+            .catch((error) => {
+                elizaLogger.error("Failed to connect to SQLite:", error);
+            });
+
         return db;
     }
 }