import assert from 'node:assert/strict';
import test from 'node:test';
import {
  buildCursorExecutorLaunchPlan,
  cursorExecutorEnabled,
  resolvePreferredCodeExecutor,
} from './cursor-agent-launch.mjs';

test('cursor executor is disabled unless explicitly enabled', () => {
  assert.equal(cursorExecutorEnabled({}), false);
  assert.equal(cursorExecutorEnabled({ MEMIND_CURSOR_EXECUTOR_ENABLED: '1' }), true);
});

test('resolvePreferredCodeExecutor prefers cursor when enabled', () => {
  assert.equal(resolvePreferredCodeExecutor({}), 'aider');
  assert.equal(
    resolvePreferredCodeExecutor({ MEMIND_CURSOR_EXECUTOR_ENABLED: '1' }),
    'cursor',
  );
  assert.equal(
    resolvePreferredCodeExecutor({
      MEMIND_CURSOR_EXECUTOR_ENABLED: '1',
      MEMIND_AIDER_SKILL_USE_CURSOR: '0',
    }),
    'aider',
  );
});

test('buildCursorExecutorLaunchPlan includes workspace and mindspace hints', async () => {
  const fs = await import('node:fs/promises');
  const os = await import('node:os');
  const path = await import('node:path');
  const agentStub = path.join(await fs.mkdtemp(path.join(os.tmpdir(), 'cursor-agent-')), 'agent');
  await fs.writeFile(agentStub, '#!/bin/sh\nexit 0\n', { mode: 0o755 });

  const plan = buildCursorExecutorLaunchPlan({
    cwd: '/tmp/mindspace/user-1',
    instruction: '写一首春日诗并生成 public/spring-poem.html',
    env: { MEMIND_CURSOR_EXECUTOR_AGENT_BIN: agentStub },
  });
  assert.equal(plan.ok, true);
  assert.equal(plan.executor, 'cursor');
  assert.equal(plan.cwd, '/tmp/mindspace/user-1');
  assert.equal(plan.command, agentStub);
  assert.ok(plan.args.includes('--workspace'));
  assert.ok(plan.args.includes('/tmp/mindspace/user-1'));
  assert.match(plan.args.at(-1) ?? '', /public\/.*\.html/);
  assert.match(plan.args.at(-1) ?? '', /不要执行 git commit/);
  assert.match(plan.args.at(-1) ?? '', /不要修改当前工作区之外的文件/);
});

test('buildCursorExecutorLaunchPlan rejects empty instruction', () => {
  const plan = buildCursorExecutorLaunchPlan({ cwd: '/tmp/work', instruction: '  ' });
  assert.equal(plan.ok, false);
  assert.match(plan.message ?? '', /instruction/i);
});