import unittest
from unittest.mock import patch, MagicMock
import os
import sys
from fastapi.testclient import TestClient

# Ensure project root is in path
sys.path.append(os.path.abspath(os.path.join(os.path.dirname(__file__), "..")))

from src.app_controller import AppController

class TestHeadlessAPI(unittest.TestCase):
    def setUp(self) -> None:
     with patch('src.models.load_config', return_value={'ai': {'provider': 'gemini', 'model': 'gemini-2.5-flash-lite'}, 'projects': {}, 'gui': {'show_windows': {}}}), \
          patch('src.session_logger.open_session'), \
          patch('src.ai_client.set_provider'), \
          patch('src.performance_monitor.PerformanceMonitor'), \
          patch('src.session_logger.close_session'), \
          patch('src.app_controller.AppController._init_ai_and_hooks'), \
          patch('src.app_controller.AppController._fetch_models'), \
          patch('src.app_controller.AppController._prune_old_logs'), \
          patch('src.app_controller.AppController.start_services'):
      self.controller = AppController()
      # Set up API key for testing
      self.controller.config["headless"] = {"api_key": "test-key"}
      self.api = self.controller.create_api()
      self.client = TestClient(self.api)
      self.headers = {"X-API-KEY": "test-key"}

    def tearDown(self) -> None:
     pass

    def test_health_endpoint(self) -> None:
     response = self.client.get("/health")
     self.assertEqual(response.status_code, 200)
     self.assertEqual(response.json(), {"status": "ok"})

    def test_status_endpoint_unauthorized(self) -> None:
     response = self.client.get("/status")
     self.assertEqual(response.status_code, 403)

    def test_status_endpoint_authorized(self) -> None:
     response = self.client.get("/status", headers=self.headers)
     self.assertEqual(response.status_code, 200)
     data = response.json()
     self.assertIn("status", data)
     self.assertIn("provider", data)

    def test_endpoint_no_api_key_configured(self) -> None:
     # Test error when server has no key set
     self.controller.config["headless"] = {"api_key": ""}
     response = self.client.get("/status", headers=self.headers)
     self.assertEqual(response.status_code, 403)
     self.assertIn("not configured", response.json()["detail"])

    def test_generate_endpoint(self) -> None:
     with patch('src.ai_client.send', return_value="AI Response"), \
          patch('src.app_controller.AppController._do_generate', return_value=("md", "path", [], "stable", "disc")):
      payload = {"prompt": "test prompt", "auto_add_history": False}
      response = self.client.post("/api/v1/generate", json=payload, headers=self.headers)
      self.assertEqual(response.status_code, 200)
      self.assertEqual(response.json()["text"], "AI Response")

    def test_pending_actions_endpoint(self) -> None:
     response = self.client.get("/api/v1/pending_actions", headers=self.headers)
     self.assertEqual(response.status_code, 200)
     self.assertEqual(response.json(), [])

    def test_confirm_action_endpoint(self) -> None:
     # Mock a pending action
     from src.app_controller import ConfirmDialog
     dialog = ConfirmDialog("test script", ".")
     self.controller._pending_actions[dialog._uid] = dialog
     
     payload = {"approved": True}
     response = self.client.post(f"/api/v1/confirm/{dialog._uid}", json=payload, headers=self.headers)
     self.assertEqual(response.status_code, 200)
     self.assertEqual(response.json(), {"status": "confirmed"})
     self.assertTrue(dialog._done)
     self.assertTrue(dialog._approved)

    def test_list_sessions_endpoint(self) -> None:
     with patch('pathlib.Path.glob', return_value=[]):
      response = self.client.get("/api/v1/sessions", headers=self.headers)
      self.assertEqual(response.status_code, 200)
      self.assertIsInstance(response.json(), list)

    def test_get_context_endpoint(self) -> None:
     with patch('src.app_controller.AppController._do_generate', return_value=("md", "path", [], "stable", "disc")):
      response = self.client.get("/api/v1/context", headers=self.headers)
      self.assertEqual(response.status_code, 200)
      data = response.json()
      self.assertEqual(data["markdown"], "md")

class TestHeadlessStartup(unittest.TestCase):
    @patch('src.gui_2.App')
    @patch('uvicorn.run')
    def test_headless_flag_triggers_run(self, mock_uvicorn: MagicMock, mock_app: MagicMock) -> None:
     from src.gui_2 import main
     with patch('sys.argv', ['sloppy.py', '--headless']):
      main()
      mock_app.assert_called_once()
      # In the current implementation, main() calls app.run(), which then switches to headless
      mock_app.return_value.run.assert_called_once()

    @patch('src.gui_2.App')
    def test_normal_startup_calls_app_run(self, mock_app: MagicMock) -> None:
     from src.gui_2 import main
     with patch('sys.argv', ['sloppy.py']):
      main()
      mock_app.assert_called_once()
      mock_app.return_value.run.assert_called_once()