/**
 * 認證來源：預設沿用使用者既有的 `tea login`，不另外要求設定一組 token。
 * TEA_SDLC_API_BASE / TEA_SDLC_TOKEN 只是給測試與 CI 的覆寫出口。
 */
import test from 'node:test';
import assert from 'node:assert/strict';
import { mkdtempSync, mkdirSync, writeFileSync } from 'node:fs';
import { join } from 'node:path';
import { runScript, tmpRoot } from './helpers/run-script.js';
import { startStubGitea, healthyRoutes } from './helpers/stub-gitea.js';

const REPO = 'plugins/tea-sdlc';

/** 寫一份 tea 風格的 config.yml 到暫存目錄，回傳路徑 */
function writeTeaConfig(logins) {
  mkdirSync(tmpRoot, { recursive: true });
  const dir = mkdtempSync(join(tmpRoot, 'tea-'));
  const path = join(dir, 'config.yml');
  const body = logins
    .map((l) =>
      [
        `    - name: ${l.name}`,
        `      url: ${l.url}`,
        `      token: ${l.token}`,
        `      default: ${l.default ?? false}`,
        `      ssh_key: ""`,
        `      user: ${l.user ?? 'tester'}`,
      ].join('\n'),
    )
    .join('\n');
  writeFileSync(path, `logins:\n${body}\npreferences:\n    editor: false\n`);
  return path;
}

async function withStub(t) {
  const stub = await startStubGitea(healthyRoutes(REPO));
  t.after(() => stub.close());
  return stub;
}

/** stub 的 base 是 .../api/v1，tea config 記的是站台根網址 */
const siteUrl = (stub) => stub.base.replace(/\/api\/v1$/, '');

test('沒有環境變數覆寫時，採用 tea 設定中 default 為真的登入', async (t) => {
  const stub = await withStub(t);
  const config = writeTeaConfig([
    { name: 'OTHER', url: 'https://gitea.example.com', token: 'wrong-token' },
    { name: 'JSC', url: siteUrl(stub), token: 'config-token', default: true },
  ]);

  const { code, json } = await runScript('labels-list.js', ['--repo', REPO], {
    env: { TEA_SDLC_CONFIG: config },
  });

  assert.equal(code, 0);
  assert.equal(json.ok, true);
  assert.equal(stub.requests[0].authorization, 'token config-token');
});

test('--host 指定站台時，挑出對應的那一組登入', async (t) => {
  const stub = await withStub(t);
  const config = writeTeaConfig([
    { name: 'JSC', url: siteUrl(stub), token: 'jsc-token' },
    { name: 'HP', url: 'https://gitea.example.com', token: 'hp-token', default: true },
  ]);

  const { code, json } = await runScript(
    'labels-list.js',
    ['--repo', REPO, '--host', siteUrl(stub)],
    { env: { TEA_SDLC_CONFIG: config } },
  );

  assert.equal(code, 0, JSON.stringify(json));
  assert.equal(stub.requests[0].authorization, 'token jsc-token');
});

test('--host 指定的站台沒有對應登入時，明確說是哪個站台缺登入', async (t) => {
  const config = writeTeaConfig([{ name: 'JSC', url: 'https://gitea.example.com', token: 't', default: true }]);

  const { code, json } = await runScript(
    'labels-list.js',
    ['--repo', REPO, '--host', 'https://gitea.missing.tw'],
    { env: { TEA_SDLC_CONFIG: config } },
  );

  assert.equal(code, 1);
  assert.equal(json.error.code, 'LOGIN_INVALID');
  assert.match(json.error.message, /gitea\.missing\.tw/);
});

test('tea 設定檔不存在時，訊息指向 tea login add', async (t) => {
  const { json } = await runScript('labels-list.js', ['--repo', REPO], {
    env: { TEA_SDLC_CONFIG: join(tmpRoot, 'definitely-not-here', 'config.yml') },
  });

  assert.equal(json.error.code, 'LOGIN_INVALID');
  assert.match(json.error.message, /tea login add/);
});

test('設定檔存在但沒有任何登入時，同樣指向 tea login add', async (t) => {
  mkdirSync(tmpRoot, { recursive: true });
  const dir = mkdtempSync(join(tmpRoot, 'tea-'));
  const path = join(dir, 'config.yml');
  writeFileSync(path, 'logins: []\npreferences:\n    editor: false\n');

  const { json } = await runScript('labels-list.js', ['--repo', REPO], {
    env: { TEA_SDLC_CONFIG: path },
  });

  assert.equal(json.error.code, 'LOGIN_INVALID');
  assert.match(json.error.message, /tea login add/);
});

test('只有一組登入且未標 default 時，就用那一組', async (t) => {
  const stub = await withStub(t);
  const config = writeTeaConfig([{ name: 'ONLY', url: siteUrl(stub), token: 'only-token' }]);

  const { code } = await runScript('labels-list.js', ['--repo', REPO], {
    env: { TEA_SDLC_CONFIG: config },
  });

  assert.equal(code, 0);
  assert.equal(stub.requests[0].authorization, 'token only-token');
});