import { afterEach, beforeEach, describe, expect, test } from 'bun:test';
import { mkdirSync, mkdtempSync, rmSync, writeFileSync } from 'node:fs';
import { tmpdir } from 'node:os';
import { join } from 'node:path';
import type { ModuleManifest } from '../../manifest/schema';
import { missingBuildOutputs } from './module-generate';

const DECLARED = join('ansible', 'roles', 'fixture', 'files', 'binary');

function manifestWithArtifacts(artifacts: string[]): ModuleManifest {
  return {
    celilo_contract: '1.0',
    id: 'fixture',
    name: 'Fixture',
    version: '1.0.0',
    description: 'fixture',
    build: { command: 'true', artifacts },
  } as ModuleManifest;
}

describe('missingBuildOutputs', () => {
  let payload: string;

  beforeEach(() => {
    payload = mkdtempSync(join(tmpdir(), 'celilo-missing-outputs-'));
  });

  afterEach(() => {
    rmSync(payload, { recursive: true, force: true });
  });

  test('names the declared output the payload is missing', () => {
    expect(missingBuildOutputs(payload, manifestWithArtifacts([DECLARED]))).toEqual([DECLARED]);
  });

  test('reports nothing when the payload carries its declared outputs', () => {
    mkdirSync(join(payload, 'ansible', 'roles', 'fixture', 'files'), { recursive: true });
    writeFileSync(join(payload, DECLARED), 'built-bytes');
    expect(missingBuildOutputs(payload, manifestWithArtifacts([DECLARED]))).toEqual([]);
  });

  test('reports nothing for a module with no build block', () => {
    expect(
      missingBuildOutputs(payload, {
        celilo_contract: '1.0',
        id: 'fixture',
        name: 'Fixture',
        version: '1.0.0',
        description: 'fixture',
      } as ModuleManifest),
    ).toEqual([]);
  });
});