import getfiles from "https://deno.land/x/getfiles@v1.0.0/mod.ts";
import { exporter } from "npm:@dbml/core";

const schema_dir = "./db/";

export default function (args) {
    const files = getfiles(schema_dir).filter((x) => x.name?.endsWith(".dbml"))
        .sort((a, b) => a.name > b.name ? -1 : a.name == b.name ? 0 : 1);

    Deno.mkdirSync("./db/migrations", { recursive: true });
    for (const file of files) {
        const dbml = Deno.readTextFileSync(schema_dir + file.name);
        const sql = exporter.export(dbml, "postgres");
        Deno.writeTextFileSync(
            "./db/migrations/" +
                new Date().toISOString() +
                "_up_" + file.name.replace(/\.dbml$/, "") + ".sql",
            sql,
        );
    }
}