import assert from "node:assert/strict";
import fs     from "node:fs";

import sqlite from "../../src/sqlite.cjs";

import * as runner from "../runner.mjs";
import * as db     from "../../src/db.mjs";
import * as u      from "../../src/utils.mjs";
import {
	MIGRATIONS_DIR,
	runMigrations,
} from "../../src/accretion.mjs";


const test_runMigrations = async t => {
	t.start("runMigrations()");

	await t.test("running twice is a noop", async () => {
		const contents = [];
		const logFn = x => contents.push(x);
		const handle = await db.open(":memory:");
		const migrationsFn = () => handle.all("SELECT filename FROM migrations;");

		assert.rejects(
			migrationsFn,
			{ message: "SQLITE_ERROR: no such table: migrations" },
		);

		await runMigrations(logFn, handle);
		const filled = await migrationsFn();

		await runMigrations(logFn, handle);
		const unchanged = await migrationsFn();

		assert.deepEqual(filled, unchanged);

		const migrationLogs = fs
			.readdirSync(MIGRATIONS_DIR)
			.sort(u.strSortFn)
			.map(filename => ({ log: "exec-migration", filename }));
		assert.deepEqual(contents, migrationLogs);
	});
};


await runner.runTests([
	test_runMigrations,
]);