// ready-subtasks.test.mjs — subtask rollup visibility for READY tasks
//
// Run with: node --test web/test/ready-subtasks.test.mjs

import { describe, it } from 'node:test';
import assert from 'node:assert/strict';

// ── Logic under test ──────────────────────────────────────────────────────────
//
// READY tasks (awaiting user approval) that have subtasks should display a
// subtask rollup identical to BLOCKED tasks. The rollup fetches from:
//   GET /api/tasks/{id}/subtasks
//
// States that show the subtask rollup:
//   - BLOCKED (when task.question is absent)
//   - READY (always — mirrors BLOCKED without question)

function shouldShowSubtaskRollup(state, hasQuestion) {
  if (state === 'BLOCKED' && !hasQuestion) return true;
  if (state === 'READY') return true;
  return false;
}

function getSubtasksEndpoint(taskId) {
  return `/api/tasks/${taskId}/subtasks`;
}

// ── Tests ─────────────────────────────────────────────────────────────────────

describe('subtask rollup visibility', () => {
  it('READY tasks show subtask rollup', () => {
    assert.equal(shouldShowSubtaskRollup('READY', false), true);
  });

  it('READY tasks show subtask rollup even when question is absent', () => {
    assert.equal(shouldShowSubtaskRollup('READY', true), true);
  });

  it('BLOCKED tasks without a question show subtask rollup', () => {
    assert.equal(shouldShowSubtaskRollup('BLOCKED', false), true);
  });

  it('BLOCKED tasks with a question do NOT show subtask rollup', () => {
    assert.equal(shouldShowSubtaskRollup('BLOCKED', true), false);
  });

  it('RUNNING tasks do not show subtask rollup', () => {
    assert.equal(shouldShowSubtaskRollup('RUNNING', false), false);
  });

  it('PENDING tasks do not show subtask rollup', () => {
    assert.equal(shouldShowSubtaskRollup('PENDING', false), false);
  });

  it('COMPLETED tasks do not show subtask rollup', () => {
    assert.equal(shouldShowSubtaskRollup('COMPLETED', false), false);
  });

  it('FAILED tasks do not show subtask rollup', () => {
    assert.equal(shouldShowSubtaskRollup('FAILED', false), false);
  });
});

describe('subtask rollup API endpoint', () => {
  it('uses correct subtasks endpoint for a READY task', () => {
    assert.equal(getSubtasksEndpoint('task-abc'), '/api/tasks/task-abc/subtasks');
  });

  it('uses correct subtasks endpoint for a BLOCKED task', () => {
    assert.equal(getSubtasksEndpoint('task-xyz'), '/api/tasks/task-xyz/subtasks');
  });
});