import type { EventFrameDto, JobDto, ProgressDto } from '../api/contracts'

export const observedAt = '2026-07-17T00:00:00Z'

export function job(revision: number, overrides: Partial<JobDto> = {}): JobDto {
  return {
    resource_kind: 'job',
    id: 'job_00000001',
    owner: 'owner_000001',
    label: 'Fixture job',
    revision,
    phase: 'Running',
    lifecycle: 'visible',
    source: {
      kind: 'http',
      display_url: 'https://example.invalid/archive',
      result_path: 'archive.bin',
    },
    target: {
      store: 'target-main',
      bucket: 'fixture-bucket',
      prefix: 'results',
    },
    authoritative_attempt: {
      attempt_id: 'attempt_0001',
      fence: 1,
      worker_incarnation: 'worker_00001',
    },
    progress: progress(10),
    checkpoint: null,
    result: null,
    failure: null,
    created_at: observedAt,
    updated_at: observedAt,
    event_cursor: 'cursor-snapshot-0001',
    ...overrides,
  }
}

export function progress(completedBytes: number): ProgressDto {
  return {
    attempt_id: 'attempt_0001',
    fence: 1,
    completed_bytes: completedBytes,
    total_bytes: 100,
    completed_members: 0,
    total_members: 1,
    observed_at: observedAt,
  }
}

export function jobChanged(
  sequence: number,
  eventId: string,
  revision: number,
  completedBytes: number,
): EventFrameDto {
  return {
    schema_version: 1,
    kind: 'job_changed',
    event_id: eventId,
    sequence,
    cursor: `cursor-event-${String(sequence).padStart(4, '0')}`,
    occurred_at: observedAt,
    job_id: 'job_00000001',
    job_revision: revision,
    phase: 'Running',
    lifecycle: 'visible',
    authoritative_attempt: {
      attempt_id: 'attempt_0001',
      fence: 1,
    },
    progress: {
      attempt_id: 'attempt_0001',
      fence: 1,
      completed_bytes: completedBytes,
      total_bytes: 100,
      completed_members: 0,
      total_members: 1,
    },
  }
}

export function heartbeat(sequence: number, eventId: string): EventFrameDto {
  return {
    schema_version: 1,
    kind: 'heartbeat',
    event_id: eventId,
    sequence,
    cursor: `cursor-event-${String(sequence).padStart(4, '0')}`,
    occurred_at: observedAt,
  }
}