import assert from 'node:assert/strict';
import test from 'node:test';
import {
  reconcileSessionEventRequestContext,
  resolvePostAgentRunChatState,
  shouldKeepStreamingAfterRunError,
  shouldPromoteSessionIdToStreaming,
} from './chat-agent-run-gate.mjs';

test('resolvePostAgentRunChatState keeps idle when Finish beat agent-run gate', () => {
  assert.equal(
    resolvePostAgentRunChatState({ chatState: 'idle', finishedViaPortalDirectChat: false }),
    'idle',
  );
});

test('resolvePostAgentRunChatState returns streaming while still waiting for session Finish', () => {
  assert.equal(resolvePostAgentRunChatState({ chatState: 'waiting' }), 'streaming');
  assert.equal(resolvePostAgentRunChatState({ chatState: 'streaming' }), 'streaming');
});

test('resolvePostAgentRunChatState prefers portal direct chat completion', () => {
  assert.equal(
    resolvePostAgentRunChatState({ chatState: 'streaming', finishedViaPortalDirectChat: true }),
    'idle',
  );
});

test('resolvePostAgentRunChatState idles after worker-side agent run success', () => {
  assert.equal(
    resolvePostAgentRunChatState({ chatState: 'waiting', agentRunSucceeded: true }),
    'idle',
  );
  assert.equal(
    resolvePostAgentRunChatState({ chatState: 'streaming', agentRunSucceeded: true }),
    'idle',
  );
});

test('completed run wins when the direct-chat snapshot is not ready', () => {
  assert.equal(
    resolvePostAgentRunChatState({
      chatState: 'streaming',
      finishedViaPortalDirectChat: false,
      agentRunSucceeded: true,
    }),
    'idle',
  );
});

test('only ambiguous transport failures keep the chat streaming', () => {
  assert.equal(shouldKeepStreamingAfterRunError(0), true);
  assert.equal(shouldKeepStreamingAfterRunError(409), true);
  assert.equal(shouldKeepStreamingAfterRunError(503), true);
  assert.equal(shouldKeepStreamingAfterRunError(400), false);
  assert.equal(shouldKeepStreamingAfterRunError(undefined), false);
  assert.equal(
    shouldKeepStreamingAfterRunError(
      undefined,
      'Session already has an active request. Cancel it first.',
    ),
    true,
  );
  assert.equal(shouldKeepStreamingAfterRunError(undefined, '后台任务失败'), false);
});

test('shouldPromoteSessionIdToStreaming skips re-streaming after Finish', () => {
  assert.equal(shouldPromoteSessionIdToStreaming('idle'), false);
  assert.equal(shouldPromoteSessionIdToStreaming('waiting'), true);
  assert.equal(shouldPromoteSessionIdToStreaming('streaming'), true);
});

test('reconcileSessionEventRequestContext adopts Goose request id while agent-run gate waits', () => {
  assert.deepEqual(
    reconcileSessionEventRequestContext({
      activeRequestId: 'portal-req',
      chatState: 'waiting',
      eventType: 'ActiveRequests',
      activeRequestIds: ['goose-req'],
    }),
    { activeRequestId: 'goose-req', promoteStreaming: true, allowMissingGrace: false },
  );
  assert.deepEqual(
    reconcileSessionEventRequestContext({
      activeRequestId: 'portal-req',
      chatState: 'waiting',
      eventType: 'Message',
      eventRequestId: 'goose-req',
    }),
    { activeRequestId: 'goose-req', promoteStreaming: true, allowMissingGrace: false },
  );
});