const { test } = require('node:test')
const assert = require('node:assert/strict')
const vue = require('vue')
const { createDraftHarness, memoryStorage } = require('./helpers/chat-drafts.cjs')
const image = { dataUrl: 'data:image/webp;base64,AAAA', name: 'Skizze.webp' }

test('text and image drafts survive room changes and a browser reload in the same session', t => {
  const storage = memoryStorage(), first = createDraftHarness({ storage })
  t.after(first.close)
  const room = vue.ref('allgemein'), composer = first.useChatDraft(room)
  composer.draft.value = '  Hallo\nWelt 👋  '
  composer.draftImage.value = image
  room.value = 'project_1'
  assert.equal(composer.draft.value, '')
  assert.equal(composer.draftImage.value, null)
  composer.draft.value = 'Projektentwurf'
  room.value = 'allgemein'
  assert.equal(composer.draft.value, '  Hallo\nWelt 👋  ')
  assert.equal(composer.draftImage.value.name, image.name)

  const reloaded = createDraftHarness({ storage })
  t.after(reloaded.close)
  const restored = reloaded.useChatDraft('allgemein')
  assert.equal(restored.draft.value, composer.draft.value)
  assert.equal(restored.draftImage.value.dataUrl, image.dataUrl)
  assert.equal(restored.captureDraft().value.clientId, composer.captureDraft().value.clientId)
  assert.equal(reloaded.useChatDraft('project_1').draft.value, 'Projektentwurf')
  assert.equal(first.calls.length, 0)
})

test('tenant and profile scopes cannot read each other; logout removes the session drafts', t => {
  const ui = createDraftHarness()
  t.after(ui.close)
  const composer = ui.useChatDraft('allgemein')
  composer.draft.value = 'Privater Entwurf'
  ui.auth.activeTenant = '2'
  assert.equal(composer.draft.value, '')
  composer.draft.value = 'Mandant 2'
  ui.auth.activeTenant = '1'
  assert.equal(composer.draft.value, 'Privater Entwurf')
  ui.auth.profile = { id: 'other-profile' }
  assert.equal(composer.draft.value, '')
  ui.auth.profile = { id: 'profile-1' }
  assert.equal(composer.draft.value, 'Privater Entwurf')
  ui.auth.user = { id: 'another-user' }
  assert.equal(composer.draft.value, '')
  assert.equal(Object.keys(ui.storage).length, 0)
  composer.draft.value = 'Neuer Benutzer'
  ui.auth.user = null
  assert.equal(composer.draft.value, '')
  assert.equal(Object.keys(ui.storage).length, 0)
})

test('successful sends remove only the captured version, even after changing rooms', t => {
  const ui = createDraftHarness()
  t.after(ui.close)
  const room = vue.ref('allgemein'), composer = ui.useChatDraft(room)
  composer.draft.value = 'Gesendet'
  const sent = composer.captureDraft()
  room.value = 'project_1'
  composer.draft.value = 'Noch nicht gesendet'
  composer.clearDraft(sent)
  assert.equal(composer.draft.value, 'Noch nicht gesendet')
  room.value = 'allgemein'
  assert.equal(composer.draft.value, '')
  composer.draftImage.value = image
  const older = composer.captureDraft()
  composer.draft.value = 'Neuer Text zum Bild'
  composer.clearDraft(older)
  assert.equal(composer.draft.value, 'Neuer Text zum Bild')
  assert.equal(composer.draftImage.value.name, image.name)
  composer.clearDraft(composer.captureDraft())
  assert.equal(composer.draft.value, '')
  assert.equal(composer.draftImage.value, null)
})

test('empty drafts are removed and never enter the shared profile temp_config', async t => {
  const ui = createDraftHarness()
  t.after(ui.close)
  const composer = ui.useChatDraft('direct_user-2')
  composer.draft.value = 'Geheim'
  ui.store.modifySearchString('contacts', 'Beispiel')
  assert.equal(JSON.stringify(ui.calls).includes('Geheim'), false)
  ui.store.setStoredTempConfig({ settings: { density: 'compact' } })
  assert.equal(composer.draft.value, 'Geheim')
  composer.draft.value = ''
  assert.equal(Object.keys(ui.storage).length, 0)
})

test('guest conversations never reuse internal drafts and keep temporary text through a retry', t => {
  const ui = createDraftHarness()
  t.after(ui.close)
  ui.useChatDraft('collaboration:one').draft.value = 'Interner Entwurf'
  const room = vue.ref('collaboration:one'), guest = ui.useChatDraft(room, { persist: false })
  assert.equal(guest.draft.value, '')
  guest.draft.value = 'Gastentwurf'
  assert.equal(guest.draft.value, 'Gastentwurf')
  room.value = 'collaboration:two'
  assert.equal(guest.draft.value, '')
  assert.equal(Object.values(ui.storage).some(value => value.includes('Gastentwurf')), false)
})

test('corrupt or unavailable browser storage does not prevent writing or sending', t => {
  const storage = memoryStorage(), initial = createDraftHarness({ storage })
  t.after(initial.close)
  initial.useChatDraft('allgemein').draft.value = 'Alt'
  storage[Object.keys(storage)[0]] = 'invalid json'
  const corrupt = createDraftHarness({ storage })
  t.after(corrupt.close)
  assert.equal(corrupt.useChatDraft('allgemein').draft.value, '')
  const blocked = createDraftHarness({ storage: {
    getItem() { throw Error('Blocked') }, setItem() { throw Error('Quota exceeded') }, removeItem() { throw Error('Blocked') },
  } })
  t.after(blocked.close)
  const composer = blocked.useChatDraft('allgemein')
  composer.draft.value = 'Im Speicher'
  composer.draftImage.value = image
  assert.equal(composer.draft.value, 'Im Speicher')
  assert.equal(composer.draftImage.value.name, image.name)
  assert.equal(blocked.toasts.length, 1)
  composer.clearDraft(composer.captureDraft())
  assert.equal(composer.draft.value, '')
})