import { createClient } from "@libsql/client";
import { drizzle } from "drizzle-orm/libsql";
import * as schema from "@app/models";

const url = process.env["TURSO_DATABASE_URL"];
if (!url) throw new Error("TURSO_DATABASE_URL is required");

const clientConfig: { url: string; authToken?: string } = { url };
const token = process.env["TURSO_AUTH_TOKEN"];
if (token) clientConfig.authToken = token;

const client = createClient(clientConfig);

/** Drizzle 客户端单例。模型定义请从 `@app/models` 引入；查询优先走 DAO。 */
export const db = drizzle(client, { schema });

export type Database = typeof db;