import test from 'node:test';
import assert from 'node:assert/strict';
import { readReference, readPrompt, assertNeutralPrompt } from './helpers/prompt-doc.js';

const RULES = readReference('delegation');
const PROMPTS = ['sdlc-plan', 'sdlc-analyze', 'sdlc-feat', 'sdlc-fix', 'sdlc-sync', 'sdlc-report'];
const EXPECTED = [
  ['sdlc-plan', '列出九段落依據與缺漏'],
  ['sdlc-analyze', '對四份清單列出疑點'],
  ['sdlc-analyze', '算出截止日'],
  ['sdlc-feat', '把議題標題翻成英文'],
  ['sdlc-feat', '分批提交方案'],
];

function tableEntries() {
  return [...RULES.matchAll(/^\| `([^`]+)` \| ([^|]+) \|/gm)]
    .map((match) => [match[1], match[2].trim()]);
}

function promptMarkers(name) {
  const prompt = readPrompt(name);
  return [...prompt.matchAll(/^### (?:\d+\.\s+)?(.+?)〔可委派〕\s*$/gm)]
    .map((match) => [name, match[1].trim()]);
}

// ── 四條判準與雙向集合 ────────────────────────────────────────────

test('委派規則保留四條判準與兩條硬排除', () => {
  for (const term of ['可驗證的成品', '不會詢問使用者', '失敗能被呼叫端偵測', '不直接寫入 Gitea 或 git']) {
    assert.match(RULES, new RegExp(term));
  }
});

test('委派表與六份正本的標記集合完全一致', () => {
  const table = tableEntries();
  const markers = PROMPTS.flatMap(promptMarkers);
  assert.deepEqual(table, EXPECTED);
  assert.deepEqual(markers, EXPECTED);
});

test('每個標記步驟都說明能力降級與部分委派邊界', () => {
  for (const [name, step] of EXPECTED) {
    const prompt = readPrompt(name);
    const marker = prompt.match(new RegExp(`^### (?:\\d+\\.\\s+)?${step}〔可委派〕\\s*$`, 'm'));
    assert.ok(marker, `${name} 缺少標記：${step}`);
    const start = marker.index;
    const body = prompt.slice(start, prompt.indexOf('\n### ', start + 1) === -1 ? prompt.length : prompt.indexOf('\n### ', start + 1));
    assert.match(body, /你的環境若能把工作交給子代理|實際執行.*不委派/);
  }
});

// ── 六份正本的平台與文字契約 ──────────────────────────────────────

test('六份流程正本均為平台中立且使用正確 description 前綴', () => {
  for (const name of PROMPTS) assertNeutralPrompt(readPrompt(name), name);
});

test('沒有委派標記的流程仍明確列入規則表的空集合', () => {
  for (const name of ['sdlc-fix', 'sdlc-sync', 'sdlc-report']) {
    assert.equal(promptMarkers(name).length, 0, `${name} 不應偷偷出現委派步驟`);
  }
  assert.match(RULES, /sdlc-sync.*sdlc-fix.*sdlc-report/);
});