import test from 'node:test';
import assert from 'node:assert/strict';
import fs from 'node:fs/promises';

test('Caddy caches only content-hashed Vite frontend assets as immutable', async () => {
  const caddyfile = await fs.readFile(new URL('../caddy/Caddyfile', import.meta.url), 'utf8');
  const matcher = caddyfile.match(
    /@immutableFrontendAssets path_regexp immutableFrontendAssets (\S+)/,
  );

  assert.ok(matcher, 'immutable frontend asset matcher must exist');
  const assetPath = new RegExp(matcher[1]);

  for (const profile of ['gateway', 'che', 'kwe', 'pwe', 'twe', 'nya', 'pya', 'hwe']) {
    assert.equal(assetPath.test(`/${profile}/assets/index-CcXtLSVk.js`), true);
    assert.equal(assetPath.test(`/${profile}/assets/index-CcXtLSVk.js.map`), true);
  }

  assert.equal(assetPath.test('/gateway/'), false);
  assert.equal(assetPath.test('/gateway/terms.1.html'), false);
  assert.equal(assetPath.test('/gateway/assets/index.js'), false);
  assert.equal(assetPath.test('/image/game/figure.png'), false);
  assert.match(
    caddyfile,
    /header @immutableFrontendAssets >Cache-Control "public, max-age=31536000, immutable"/,
  );

  const sharedMatcher = caddyfile.match(
    /@immutableSharedProfileAssets path_regexp immutableSharedProfileAssets (\S+)/,
  );
  assert.ok(sharedMatcher, 'immutable shared profile asset matcher must exist');
  const sharedAssetPath = new RegExp(sharedMatcher[1]);
  const releaseId = `${'a'.repeat(40)}-${'b'.repeat(16)}`;
  assert.equal(
    sharedAssetPath.test(`/gateway/profile-assets/${releaseId}/assets/index-CcXtLSVk.js`),
    true,
  );
  assert.equal(
    sharedAssetPath.test(`/gateway/profile-assets/${releaseId}/assets/index-CcXtLSVk.js.map`),
    true,
  );
  assert.equal(sharedAssetPath.test(`/gateway/profile-assets/${releaseId}/index.html`), false);
  assert.match(
    caddyfile,
    /header @immutableSharedProfileAssets >Cache-Control "public, max-age=31536000, immutable"/,
  );
});

test('Caddy serves published frontend artifacts directly and keeps a transition fallback', async () => {
  const caddyfile = await fs.readFile(new URL('../caddy/Caddyfile', import.meta.url), 'utf8');
  for (const [profile, port] of Object.entries({
    gateway: 15000,
    che: 15002,
    kwe: 15004,
    pwe: 15006,
    twe: 15008,
    nya: 15010,
    pya: 15012,
    hwe: 15014,
  })) {
    assert.match(caddyfile, new RegExp(`/srv/frontend-artifacts/${profile}/current`));
    assert.match(caddyfile, new RegExp(`reverse_proxy runtime:${port}`));
    assert.match(
      caddyfile,
      new RegExp(`route \\{[\\s\\S]*?@${profile}Asset path /assets/\\*[\\s\\S]*?handle @${profile}Asset`),
    );
  }
  assert.match(caddyfile, /try_files \{path\} \/index\.html/);
  assert.match(caddyfile, /header @frontendRequests Cache-Control "no-cache"/);
  assert.match(
    caddyfile,
    /@sharedProfileAsset path_regexp sharedProfileAsset \^\/gateway\/profile-assets\//,
  );
  assert.match(caddyfile, /root \* \/srv\/frontend-artifacts\/game-assets\/releases/);
  assert.match(caddyfile, /uri strip_prefix \/gateway\/profile-assets/);
});