import {
  GenerationReceiptError,
  parseGenerationPurpose,
  parseGenerationReceiptId,
} from './generation-receipt.ts'

function assert(condition: boolean, message: string): void {
  if (!condition) throw new Error(message)
}

Deno.test('generation receipt purpose is explicit and fail closed', () => {
  assert(parseGenerationPurpose(null) === null, 'missing purpose should preserve generic LLM calls')
  assert(parseGenerationPurpose('talk_response') === 'talk_response', 'Talk purpose should be accepted')
  assert(parseGenerationPurpose('command_response') === 'command_response', 'Command purpose should be accepted')
  assert(parseGenerationPurpose('action_response') === 'action_response', 'Action purpose should be accepted')
  let rejected = false
  try {
    parseGenerationPurpose('meeting_document')
  } catch (error) {
    rejected = error instanceof GenerationReceiptError
  }
  assert(rejected, 'unknown purpose should be rejected')
})

Deno.test('generation receipt RPC result requires a UUID', () => {
  const id = '29100000-0000-4000-8000-000000000001'
  assert(parseGenerationReceiptId({ generationId: id.toUpperCase() }) === id, 'UUID should normalize')
  for (const value of [null, {}, { generationId: 'bad' }]) {
    let rejected = false
    try {
      parseGenerationReceiptId(value)
    } catch (error) {
      rejected = error instanceof GenerationReceiptError
    }
    assert(rejected, 'invalid receipt should be rejected')
  }
})