import assert from 'node:assert/strict';
import test from 'node:test';
import {
  buildDshExecutorLaunchPlan,
  dshExecutorEnabled,
  resolveDshCommand,
} from './dsh-agent-launch.mjs';

test('dshExecutorEnabled defaults to false', () => {
  assert.equal(dshExecutorEnabled({}), false);
  assert.equal(dshExecutorEnabled({ MEMIND_TOOL_GATEWAY_DSH_ENABLED: '1' }), true);
});

test('resolveDshCommand falls back to npx package when forced', () => {
  const resolved = resolveDshCommand({
    MEMIND_DSH_FORCE_NPX: '1',
    MEMIND_DSH_NPX_BIN: 'npx',
  });
  assert.equal(resolved.viaNpx, true);
  assert.equal(resolved.command, 'npx');
});

test('buildDshExecutorLaunchPlan requires enable flag', () => {
  const plan = buildDshExecutorLaunchPlan({
    cwd: '/tmp/work',
    instruction: 'fix tests',
    env: {},
  });
  assert.equal(plan.ok, false);
});

test('buildDshExecutorLaunchPlan builds headless args when enabled', () => {
  const plan = buildDshExecutorLaunchPlan({
    cwd: '/tmp/work',
    instruction: 'fix tests',
    env: { MEMIND_TOOL_GATEWAY_DSH_ENABLED: '1', MEMIND_DSH_NPX_BIN: 'npx' },
    runtimeEnv: { DEEPSEEK_API_KEY: 'test-key' },
  });
  assert.equal(plan.ok, true);
  assert.equal(plan.executor, 'dsh');
  assert.ok(plan.args.includes('headless'));
  assert.ok(plan.args.at(-1).includes('fix tests'));
  assert.equal(plan.env.DEEPSEEK_API_KEY, 'test-key');
});