import { strict as assert } from 'node:assert'
import { test } from 'node:test'
import { createRequire } from 'node:module'

const { moduleProgress, createModuleProgressParser } = createRequire(import.meta.url)('./moduleProgress.ts') as typeof import('./moduleProgress')

test('progress parser handles split lines and ignores normal command output', () => {
  const messages: string[] = []
  const parse = moduleProgress.run((message) => messages.push(message), createModuleProgressParser)
  parse('ordinary output\nLMS_MODULE_PRO')
  parse('GRESS:download\nLMS_MODULE_PROGRESS:load\n')
  assert.deepEqual(messages, ['download', 'load'])
})

test('concurrent operations retain their own progress callbacks', () => {
  const first: string[] = []
  const second: string[] = []
  const a = moduleProgress.run((message) => first.push(message), createModuleProgressParser)
  const b = moduleProgress.run((message) => second.push(message), createModuleProgressParser)
  b('LMS_MODULE_PROGRESS:build\n')
  a('LMS_MODULE_PROGRESS:download\n')
  assert.deepEqual(first, ['download'])
  assert.deepEqual(second, ['build'])
})

test('commands outside a module operation do not report progress', () => {
  assert.doesNotThrow(() => createModuleProgressParser()('LMS_MODULE_PROGRESS:ignored\n'))
})