const { test } = require('node:test')
const assert = require('node:assert/strict')
const fs = require('node:fs')
const vm = require('node:vm')
const ts = require('typescript')

const source = ts.createSourceFile('App.tsx', fs.readFileSync(require.resolve('../src/renderer/src/App.tsx'), 'utf8'), ts.ScriptTarget.Latest, true, ts.ScriptKind.TSX)
const names = ['isRemotePlatformStatusPending', 'filteredPlatformOptions', 'platformFilterCounts']
const declarations = new Map()
function visit(node) {
  if (ts.isVariableDeclaration(node) && names.includes(node.name.getText(source))) {
    declarations.set(node.name.getText(source), node.getText(source))
  }
  ts.forEachChild(node, visit)
}
visit(source)
for (const name of names) assert.ok(declarations.has(name), `missing ${name}`)
const filterScript = ts.transpileModule(`${names.map(name => `const ${declarations.get(name)}`).join('\n')}
  result = { counts: platformFilterCounts, ids: filteredPlatformOptions.map(platform => platform.id) }`, {
  compilerOptions: { target: ts.ScriptTarget.ES2022 }
}).outputText
const controlSource = fs.readFileSync(require.resolve('../src/renderer/src/features/platforms/platformControl.ts'), 'utf8')
const control = {}
vm.runInNewContext(ts.transpileModule(controlSource, { compilerOptions: { module: ts.ModuleKind.CommonJS } }).outputText, {
  exports: control,
  require: name => {
    assert.equal(name, '../../config/appConfig')
    return { LMS_API_BASE_URL: 'http://unused.invalid' }
  }
})

function classify(platformOptions, checkedIds = ['mini'], platformFilter = 'all') {
  const context = {
    platformOptions, platformFilter,
    checkedRemotePlatformStatusIds: new Set(checkedIds),
    isPlatformUnavailable: control.isPlatformUnavailable
  }
  vm.runInNewContext(filterScript, context)
  return JSON.parse(JSON.stringify(context.result))
}

const simulation = { id: 'sim', platformKey: 'futuredrive-local-pc', state: 'ready', status: '사용 가능', action: '시작' }
const mini = { id: 'mini', platformKey: 'mkmini', state: 'ready', status: '사용 가능', action: '제어권 요청', connection: { headscaleOnline: true, agentHealthy: true } }

test('disconnected ready platform counts as unavailable and appears only in that tab', () => {
  const disconnected = { ...mini, status: '연결 끊김', connection: { headscaleOnline: false, agentHealthy: false } }
  const platforms = [simulation, disconnected]
  assert.deepEqual(classify(platforms), { counts: { all: 2, available: 1, unavailable: 1 }, ids: ['sim', 'mini'] })
  assert.deepEqual(classify(platforms, ['mini'], 'available').ids, ['sim'])
  assert.deepEqual(classify(platforms, ['mini'], 'unavailable').ids, ['mini'])
})

test('offline network, unhealthy agent and explicit unavailability all exclude ready platforms', () => {
  for (const patch of [
    { connection: { headscaleOnline: false, agentHealthy: true } },
    { connection: { headscaleOnline: true, agentHealthy: false } },
    { connection: undefined, status: '연결 끊김' },
    { connection: undefined, status: '연결 불가' },
    { connection: undefined, action: '연결 불가' }
  ]) {
    const platforms = [simulation, { ...mini, ...patch }]
    assert.deepEqual(classify(platforms).counts, { all: 2, available: 1, unavailable: 1 })
    assert.deepEqual(classify(platforms, ['mini'], 'unavailable').ids, ['mini'])
  }
})

test('pending remote status remains in All without prematurely entering either availability tab', () => {
  const platforms = [simulation, mini]
  assert.deepEqual(classify(platforms, []).counts, { all: 2, available: 1, unavailable: 0 })
  assert.deepEqual(classify(platforms, [], 'available').ids, ['sim'])
  assert.deepEqual(classify(platforms, [], 'unavailable').ids, [])
})

test('reconnecting moves a platform back to available without changing All', () => {
  assert.deepEqual(classify([simulation, mini]).counts, { all: 2, available: 2, unavailable: 0 })
  assert.deepEqual(classify([simulation, mini], ['mini'], 'available').ids, ['sim', 'mini'])
  assert.deepEqual(classify([simulation, mini], ['mini'], 'unavailable').ids, [])
})

test('locked, requested and reserved platform classifications are preserved', () => {
  for (const state of ['locked', 'request', 'reserved']) {
    const platforms = [simulation, { ...mini, state }]
    assert.deepEqual(classify(platforms).counts, { all: 2, available: 1, unavailable: 1 })
    assert.deepEqual(classify(platforms, ['mini'], 'unavailable').ids, ['mini'])
  }
})