import assert from 'node:assert/strict';
import express from 'express';
import test from 'node:test';

import { runtimeContextMiddleware } from '../../src/middlewares/runtime-context.ts';
import runtimeContextRoutes from '../../src/routes/runtime-context.ts';
import { startTestServer } from '../http-test-utils.ts';

function buildRuntimeContextApp() {
  const app = express();
  app.use(runtimeContextMiddleware);
  app.use('/api/runtime-context', runtimeContextRoutes);
  return app;
}

void test('GET /api/runtime-context returns default admin runtime context', async () => {
  const server = await startTestServer(buildRuntimeContextApp());
  try {
    const response = await fetch(`${server.baseUrl}/api/runtime-context`);

    assert.equal(response.status, 200);
    assert.deepEqual(await response.json(), {
      mode: 'admin',
      projectSlug: null,
    });
  } finally {
    await server.close();
  }
});

void test('GET /api/runtime-context exposes valid runtime headers over HTTP', async () => {
  const server = await startTestServer(buildRuntimeContextApp());
  try {
    const response = await fetch(`${server.baseUrl}/api/runtime-context`, {
      headers: {
        'x-runtime-environment': 'production',
        'x-runtime-project-slug': 'museum-tour',
      },
    });

    assert.equal(response.status, 200);
    assert.deepEqual(await response.json(), {
      mode: 'admin',
      projectSlug: null,
      headerEnvironment: 'production',
      headerProjectSlug: 'museum-tour',
    });
  } finally {
    await server.close();
  }
});

void test('GET /api/runtime-context ignores unsupported runtime environment headers', async () => {
  const server = await startTestServer(buildRuntimeContextApp());
  try {
    const response = await fetch(`${server.baseUrl}/api/runtime-context`, {
      headers: {
        'x-runtime-environment': 'qa',
        'x-runtime-project-slug': 'museum-tour',
      },
    });

    assert.equal(response.status, 200);
    assert.deepEqual(await response.json(), {
      mode: 'admin',
      projectSlug: null,
      headerProjectSlug: 'museum-tour',
    });
  } finally {
    await server.close();
  }
});