'use strict';

const test = require('node:test');
const assert = require('node:assert/strict');
const { createPayloadRuntimeService, normalizeInstalled, normalizeRepository, payloadIdentity } = require('../../src/services/payload-runtime-service');

function fixture() {
  const calls = [];
  const responses = {
    '/version': '0.3.1',
    '/list_payloads': {
      payloads: ['/data/pldmgr/payloads/websrv/websrv_v0.32.elf', '/data/pldmgr/payloads/etaHEN/etaHEN-2.6B.bin'],
      meta: {
        'websrv_v0.32.elf': { display_name: 'websrv', version: 'v0.32', checksum: 'a'.repeat(64) },
        'etaHEN-2.6B.bin': { display_name: 'etaHEN-2.6B.bin' },
      },
    },
    '/repository_payloads': { sources: [{ id: 'default', name: 'Official', payloads: [
      { name: 'websrv', filename: 'websrv_v0.33.elf', version: 'v0.33', source_id: 'default', url: 'https://example.test/websrv.elf' },
      { name: 'etaHEN', filename: 'etaHEN_2.5B.bin', version: '2.5B', source_id: 'default', url: 'https://example.test/etahen.bin' },
      { name: 'klogsrv', filename: 'klogsrv_v0.11.elf', version: 'v0.11', source_id: 'default', url: 'https://example.test/klogsrv.elf' },
    ] }] },
    '/autoload_status': { list: 'websrv_v0.32.elf' },
    '/sources_list': { sources: [{ id: 'default', name: 'Official', url: 'https://example.test/payloads.json' }] },
  };
  const payloadManager = { request: async route => {
    calls.push(route);
    if (route === '/repository_refresh') return { success: true };
    if (route.startsWith('/repository_install?')) return { success: true };
    if (!(route in responses)) throw new Error(`Unexpected ${route}`);
    return responses[route];
  } };
  const settings = { get: (key, fallback) => key === 'ftp.host' ? '127.0.0.1' : fallback };
  return { service: createPayloadRuntimeService({ settings, payloadManager, timeoutMs: 10 }), calls };
}

test('normalizers preserve trusted manager metadata and stable identities', () => {
  const installed = normalizeInstalled({ payloads: ['/data/x/websrv_v0.32.elf'], meta: { 'websrv_v0.32.elf': { display_name: 'websrv', version: 'v0.32', checksum: 'b'.repeat(64) } } });
  assert.equal(installed[0].identity, 'websrv');
  assert.equal(installed[0].checksumVerified, true);
  assert.equal(payloadIdentity('etaHEN-2.6B.bin'), 'etahen');
  const repository = normalizeRepository({ sources: [{ id: 'official', payloads: [{ name: 'websrv', filename: 'websrv_v0.33.elf', url: 'http://unsafe.test/file' }] }] });
  assert.equal(repository[0].url, '');
});

test('runtime update plan allows upgrades and blocks downgrades', async () => {
  const f = fixture();
  const plan = await f.service.updatePlan();
  assert.equal(plan.stats.updates, 1);
  assert.equal(plan.candidates.find(item => item.installed.identity === 'websrv').status, 'update-available');
  assert.equal(plan.candidates.find(item => item.installed.identity === 'etahen').status, 'installed-newer');
  assert.equal(plan.recommendations.find(item => item.identity === 'klogsrv').automaticInstall, false);
  assert.equal(plan.safety.automaticInstall, false);
});

test('manager reads coalesce briefly and repository refresh forces a fresh inventory', async () => {
  const f = fixture();
  await Promise.all([f.service.managerState(), f.service.managerState(), f.service.updatePlan()]);
  assert.equal(f.calls.filter(route => route === '/version').length, 1);
  await f.service.refreshRepositories();
  assert.equal(f.calls.filter(route => route === '/repository_refresh').length, 1);
  assert.equal(f.calls.filter(route => route === '/version').length, 2);
  assert.ok(!f.calls.some(route => route.startsWith('/repository_install?')));
});

test('installation revalidates the plan, requires exact filename confirmation and never launches', async () => {
  const f = fixture();
  await assert.rejects(() => f.service.installUpdate({ filename: 'websrv_v0.33.elf', sourceId: 'default', confirmation: 'yes' }), /Typ UPDATE/);
  const result = await f.service.installUpdate({ filename: 'websrv_v0.33.elf', sourceId: 'default', confirmation: 'UPDATE websrv_v0.33.elf' });
  assert.equal(result.ok, true);
  assert.equal(result.launched, false);
  assert.ok(f.calls.some(route => route === '/repository_install?filename=websrv_v0.33.elf&source_id=default'));
  assert.ok(!f.calls.some(route => route.startsWith('/loadpayload:')));
});