import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
import { mkdir, writeFile } from 'node:fs/promises';
import { join } from 'node:path';
import { newFixture, type Fixture } from '../helpers/fixture.js';

let fixture: Fixture;

beforeEach(async () => {
    vi.resetModules();
    fixture = await newFixture(['t5_kino_1']);
    delete process.env.KOMODO_ADDRESS;
    delete process.env.RCON_PASSWORD;
    // Ensure the three per-kind destinations exist under the fixture tree.
    await mkdir(join(fixture.t5, 't5_kino_1', 'runtime/plutonium/storage/t5/raw/scripts/sp'), { recursive: true });
    await mkdir(join(fixture.t5, 't5_kino_1', 'configs'), { recursive: true });
    await mkdir(join(fixture.t5, 't5_kino_1', 'runtime/plutonium/plugins'), { recursive: true });
});

afterEach(async () => {
    await fixture.cleanup();
});

describe('drift scanning', () => {
    it('detects untracked files across script, config, and plugin destinations', async () => {
        const { seedServerRegistry } = await import('../../src/lib/server/fleet/servers.js');
        const { scanServerDrift } = await import('../../src/lib/server/fleet/drift.js');
        await seedServerRegistry();

        // Drop one stray file in each managed destination.
        const server = 't5_kino_1';
        await writeFile(
            join(fixture.t5, server, 'runtime/plutonium/storage/t5/raw/scripts/sp', 'stray.gsc'),
            'main(){}\n'
        );
        await writeFile(
            join(fixture.t5, server, 'configs', 'stray.cfg'),
            'set foo "bar"\n'
        );
        await writeFile(
            join(fixture.t5, server, 'runtime/plutonium/plugins', 'stray.dll'),
            Buffer.from([0xde, 0xad])
        );

        const drift = await scanServerDrift(server);
        const byKind = Object.fromEntries(drift.map((d) => [d.kind, d.relPath]));
        expect(byKind.script).toBe('stray.gsc');
        expect(byKind.config).toBe('stray.cfg');
        expect(byKind.plugin).toBe('stray.dll');
        expect(drift.length).toBe(3);
    });
});