import { test } from 'node:test'
import assert from 'node:assert/strict'
import { applyFilePhaseDefaults, type ResultFilePhase } from '../src/shared/api/types/task.ts'

function setupWindow() {
  ;(globalThis as Record<string, unknown>).window = {
    localStorage: { getItem: () => '42' },
    location: { origin: 'http://localhost' },
  }
}

test('test_defaults_filled', () => {
  setupWindow()
  const result = applyFilePhaseDefaults({})
  assert.equal(result.fileReady, false)
  assert.equal(result.fileStatus, 'PENDING')
  assert.equal(result.fileProgress, 0)
  assert.equal(result.fileProgressLabel, '')
  assert.equal(result.fileProgressStage, '')
})

test('test_existing_values_kept', () => {
  setupWindow()
  const result = applyFilePhaseDefaults({ fileStatus: 'RUNNING', fileProgress: 50 })
  assert.equal(result.fileStatus, 'RUNNING')
  assert.equal(result.fileProgress, 50)
  assert.equal(result.fileReady, false)
})

test('test_file_ready_true_preserved', () => {
  setupWindow()
  const result = applyFilePhaseDefaults({ fileReady: true })
  assert.equal(result.fileReady, true)
  assert.equal(result.fileStatus, 'PENDING')
})

test('test_partial_input', () => {
  setupWindow()
  const result = applyFilePhaseDefaults({ fileStatus: 'FAILED', fileProgressStage: 'unzip' })
  assert.equal(result.fileStatus, 'FAILED')
  assert.equal(result.fileProgressStage, 'unzip')
  assert.equal(result.fileReady, false)
  assert.equal(result.fileProgress, 0)
  assert.equal(result.fileProgressLabel, '')
})

test('test_null_input_safe', () => {
  setupWindow()
  const result = applyFilePhaseDefaults(null as unknown as ResultFilePhase)
  assert.equal(result.fileReady, false)
  assert.equal(result.fileStatus, 'PENDING')
  assert.equal(result.fileProgress, 0)
})

test('test_defaults_idempotent', () => {
  setupWindow()
  const once = applyFilePhaseDefaults({})
  const twice = applyFilePhaseDefaults(once)
  assert.deepEqual(twice, once)
  assert.equal(twice.fileReady, false)
})

test('test_status_success_maps_ready', () => {
  setupWindow()
  const result = applyFilePhaseDefaults({ fileStatus: 'SUCCESS' })
  assert.equal(result.fileReady, true)
})

test('test_unknown_status_untouched', () => {
  setupWindow()
  const result = applyFilePhaseDefaults({ fileStatus: 'WEIRD_STATE' })
  assert.equal(result.fileReady, false)
  assert.equal(result.fileStatus, 'WEIRD_STATE')
})