import test from 'node:test';
import assert from 'node:assert/strict';
import { mkdtemp, mkdir, readFile, writeFile, rm } from 'node:fs/promises';
import { tmpdir } from 'node:os';
import { join } from 'node:path';
import { normalizeConfig } from '../lib/core.mjs';
import { parseArgs, prepareInput, persistGeneratedConfig } from '../migrate.mjs';

test('zero arguments default to read-only plan, with optional profile or explicit actions', () => {
  const args = parseArgs([]);
  assert.equal(args.command, 'plan'); assert.ok(args.configPath.endsWith('config.local.json'));
  assert.equal(parseArgs(['--profile', 'dev']).command, 'plan');
  assert.equal(parseArgs(['init']).command, 'init');
  assert.equal(parseArgs(['apply', '--limit', '50']).limit, 50);
  assert.equal(parseArgs(['apply', '--run-id', 'new-batch']).runId, 'new-batch');
  assert.equal(parseArgs(['--help']).help, true);
  assert.throws(() => parseArgs(['plan', '--limit', '50']));
  assert.throws(() => parseArgs(['delete']));
});

test('automatic configuration inherits project credentials without exporting a password variable', async () => {
  const root = await mkdtemp(join(tmpdir(), 'oss-runtime-'));
  try {
    const resources = join(root, 'yudao-server/src/main/resources'); await mkdir(resources, { recursive: true });
    await writeFile(join(resources, 'application.yaml'), 'spring:\n  profiles:\n    active: dev\n');
    await writeFile(join(resources, 'application-dev.yaml'), `server:\n  port: 48083\nspring:\n  datasource:\n    dynamic:\n      primary: master\n      datasource:\n        master:\n          url: jdbc:mysql://127.0.0.1:3306/fixture_db\n          username: fixture_user\n          password: fixture-secret\n`);
    const args = { command: 'init', configPath: join(root, 'config.local.json') };
    const prepared = await prepareInput(args, root);
    assert.equal(prepared.projectManaged, true); assert.equal(prepared.exists, false);
    assert.equal(prepared.input.mysql.database, 'fixture_db'); assert.equal(prepared.input.mysql.password, 'fixture-secret');
    assert.equal(prepared.input.sourceMode, undefined); // defaults must not overwrite a resumed run
    assert.equal(prepared.input._projectDownloadBaseUrl, 'http://127.0.0.1:48083/admin-api/infra/file');
    const config = normalizeConfig({ ...prepared.input, sourceMode: 'database', sourceConfigIds: ['5'], targetConfigId: '30', runId: 'auto-test', _databaseIdentity: { server: 'test-uuid', schema: 'fixture_db' } });
    await persistGeneratedConfig(config, args, prepared);
    const text = await readFile(args.configPath, 'utf8');
    assert.ok(!text.includes('fixture-secret')); assert.ok(!text.includes('"mysql"'));
    const saved = JSON.parse(text); assert.equal(saved.runId, 'auto-test'); assert.equal(saved.projectProfile, 'dev'); assert.equal(saved.targetConfigId, '30');
    const reloaded = await prepareInput(args, root);
    assert.equal(reloaded.input.mysql.password, 'fixture-secret'); assert.equal(reloaded.input.runId, 'auto-test');
  } finally { await rm(root, { recursive: true, force: true }); }
});

test('manual connection remains supported and is never overwritten with project settings', async () => {
  const root = await mkdtemp(join(tmpdir(), 'oss-manual-'));
  try {
    const path = join(root, 'manual.json');
    const raw = { mysql: { host: 'manual.example', database: 'manual_db', user: 'manual', password: 'manual-secret' }, runId: 'manual-run', sourceConfigIds: ['5'], targetConfigId: '30', sourceMode: 'database' };
    await writeFile(path, JSON.stringify(raw));
    const args = { command: 'init', configPath: path, explicitConfig: true };
    const prepared = await prepareInput(args, root);
    assert.equal(prepared.projectManaged, false); assert.equal(prepared.input.mysql.host, 'manual.example');
    await persistGeneratedConfig(normalizeConfig(prepared.input), args, prepared);
    assert.deepEqual(JSON.parse(await readFile(path, 'utf8')), raw);
    await assert.rejects(prepareInput({ ...args, profile: 'prod' }, root), /不能同时使用/);
  } finally { await rm(root, { recursive: true, force: true }); }
});