/**
 * 把工作包放進 Gitea 專案看板。
 *
 * Gitea 1.27 沒有「列出專案」的 endpoint，所以專案 id 只能反查：掃最近的議題，
 * 從它們身上的 projects 欄位湊出 id→名稱對照。全空時就只能請使用者貼網址。
 */
import test from 'node:test';
import assert from 'node:assert/strict';
import { runScript } from './helpers/run-script.js';
import { healthyRoutes, stubEnv as envFor, withStubGitea, patchOf } from './helpers/stub-gitea.js';

const REPO = 'plugins/tea-sdlc';
const INDEX = 12;

function routes(overrides = {}, { issueProjects = [], recent = null } = {}) {
  const recentIssues = recent ?? [
    { number: 9, projects: [{ id: 7, title: '開發看板' }] },
    { number: 8, projects: [{ id: 8, title: '維運看板' }] },
    { number: 7, projects: [] },
  ];
  return healthyRoutes(REPO, {
    [`GET /api/v1/repos/${REPO}/issues/${INDEX}`]: {
      status: 200,
      body: { number: INDEX, projects: issueProjects, html_url: 'https://example.com/12' },
    },
    [`GET /api/v1/repos/${REPO}/issues`]: { status: 200, body: recentIssues },
    [`PATCH /api/v1/repos/${REPO}/issues/${INDEX}`]: (req) => ({
      status: 200,
      body: { number: INDEX, ...req.body },
    }),
    ...overrides,
  });
}

const withStub = (t, overrides = {}, options) => withStubGitea(t, routes(overrides, options));

const run = (args, stub) =>
  runScript('project-add.js', ['--repo', REPO, '--index', String(INDEX), ...args], {
    env: envFor(stub),
  });


// ── 以名稱指定 ─────────────────────────────────────────────────────

test('以名稱指定看板，靠掃議題反查出 id', async (t) => {
  const stub = await withStub(t);

  const { code, json } = await run(['--project', '開發看板'], stub);

  assert.equal(code, 0, JSON.stringify(json));
  assert.deepEqual(patchOf(stub).body.projects, [7]);
  assert.equal(json.data.project.id, 7);
  assert.equal(json.data.project.title, '開發看板');
});

test('反查只掃最近 50 筆議題', async (t) => {
  const stub = await withStub(t);

  await run(['--project', '開發看板'], stub);

  const scan = stub.requests.find((r) => r.method === 'GET' && r.path.endsWith('/issues'));
  assert.equal(scan.query.limit, '50');
  assert.equal(scan.query.state, 'all');
});

test('反查不到名稱時，要求使用者貼專案網址', async (t) => {
  const stub = await withStub(t);

  const { code, json } = await run(['--project', '不存在的看板'], stub);

  assert.equal(code, 1);
  assert.equal(json.error.code, 'PROJECT_NOT_FOUND');
  assert.match(json.error.message, /網址/);
  assert.match(json.error.message, /開發看板/, '要列出反查到的看板');
});

test('最近的議題全都沒有看板時，說清楚為什麼查不到', async (t) => {
  const stub = await withStub(t, {}, { recent: [{ number: 9, projects: [] }] });

  const { json } = await run(['--project', '開發看板'], stub);

  assert.equal(json.error.code, 'PROJECT_NOT_FOUND');
  assert.match(json.error.message, /沒有任何一顆掛在看板上/);
  assert.match(json.error.message, /請直接貼專案網址/);
});

// ── 以網址指定 ─────────────────────────────────────────────────────

test('直接貼專案網址時，取結尾的 id，不必反查', async (t) => {
  const stub = await withStub(t);

  const { code } = await run(['--project', 'https://gitea.jsc.idv.tw/plugins/-/projects/7'], stub);

  assert.equal(code, 0);
  assert.deepEqual(patchOf(stub).body.projects, [7]);
  assert.equal(
    stub.requests.some((r) => r.method === 'GET' && r.path.endsWith('/issues')),
    false,
    '網址已經帶了 id，不該再去掃議題',
  );
});

test('網址結尾不是數字時中止', async (t) => {
  const stub = await withStub(t);

  const { json } = await run(['--project', 'https://gitea.jsc.idv.tw/plugins/-/projects/abc'], stub);

  assert.equal(json.error.code, 'PROJECT_NOT_FOUND');
});

// ── 不覆蓋既有看板 ─────────────────────────────────────────────────

test('議題原本就在別的看板上時，保留它並補上新的', async (t) => {
  const stub = await withStub(t, {}, { issueProjects: [{ id: 8, title: '維運看板' }] });

  await run(['--project', '開發看板'], stub);

  assert.deepEqual(patchOf(stub).body.projects.sort(), [7, 8], 'projects 是整份取代，漏了就等於把人踢出原看板');
});

test('已經在目標看板上時不重發 PATCH', async (t) => {
  const stub = await withStub(t, {}, { issueProjects: [{ id: 7, title: '開發看板' }] });

  const { code, json } = await run(['--project', '開發看板'], stub);

  assert.equal(code, 0);
  assert.equal(patchOf(stub), undefined);
  assert.equal(json.data.alreadyThere, true);
});

// ── 不建立專案 ─────────────────────────────────────────────────────

test('不建立專案：唯一的寫入是議題本身的 PATCH，且只帶 projects', async (t) => {
  // 用「路徑含 project」當條件是空話——Gitea 的專案根本沒有 API 路徑
  const stub = await withStub(t);

  await run(['--project', '開發看板'], stub);

  // 前置檢查的寫入權探針也是 PATCH，但它打在不存在的 /issues/0 上，不算真正的寫入
  const writes = stub.requests.filter(
    (r) => r.method !== 'GET' && !r.path.endsWith('/issues/0'),
  );
  assert.equal(writes.length, 1);
  assert.equal(writes[0].method, 'PATCH');
  assert.equal(writes[0].path, `/api/v1/repos/${REPO}/issues/${INDEX}`);
  assert.deepEqual(Object.keys(writes[0].body), ['projects']);
});

// ── --dry-run ─────────────────────────────────────────────────────

test('--dry-run 列出將送出的 PATCH，且不寫入', async (t) => {
  const stub = await withStub(t);

  const { code, json } = await run(['--project', '開發看板', '--dry-run'], stub);

  assert.equal(code, 0);
  assert.equal(json.data.dryRun, true);
  assert.deepEqual(json.data.requests[0].body.projects, [7], '預覽要看得出解析出來的 id');
  assert.equal(stub.requests.some((r) => r.method !== 'GET'), false);
});