import unittest
from unittest.mock import patch, MagicMock
import os

from aider.models import Model, get_model_info, sanity_check_model


class TestModels(unittest.TestCase):
    def test_get_model_info_nonexistent(self):
        info = get_model_info("non-existent-model")
        self.assertEqual(info, {})

    def test_max_context_tokens(self):
        model = Model("gpt-3.5-turbo")
        self.assertEqual(model.info["max_input_tokens"], 16385)

        model = Model("gpt-3.5-turbo-16k")
        self.assertEqual(model.info["max_input_tokens"], 16385)

        model = Model("gpt-3.5-turbo-1106")
        self.assertEqual(model.info["max_input_tokens"], 16385)

        model = Model("gpt-4")
        self.assertEqual(model.info["max_input_tokens"], 8 * 1024)

        model = Model("gpt-4-32k")
        self.assertEqual(model.info["max_input_tokens"], 32 * 1024)

        model = Model("gpt-4-0613")
        self.assertEqual(model.info["max_input_tokens"], 8 * 1024)

    @patch('os.environ')
    def test_sanity_check_model_all_set(self, mock_environ):
        mock_environ.get.return_value = "dummy_value"
        mock_io = MagicMock()
        model = MagicMock()
        model.name = "test-model"
        model.missing_keys = ["API_KEY1", "API_KEY2"]
        model.keys_in_environment = True
        model.info = {"some": "info"}

        sanity_check_model(mock_io, model)

        mock_io.tool_error.assert_called_once_with("Model test-model: Environment variables status:")
        calls = mock_io.tool_error.call_args_list
        self.assertIn("- API_KEY1: ✓ Set", str(calls))
        self.assertIn("- API_KEY2: ✓ Set", str(calls))

    @patch('os.environ')
    def test_sanity_check_model_not_set(self, mock_environ):
        mock_environ.get.return_value = ""
        mock_io = MagicMock()
        model = MagicMock()
        model.name = "test-model"
        model.missing_keys = ["API_KEY1", "API_KEY2"]
        model.keys_in_environment = True
        model.info = {"some": "info"}

        sanity_check_model(mock_io, model)

        mock_io.tool_error.assert_called_once_with("Model test-model: Environment variables status:")
        calls = mock_io.tool_error.call_args_list
        self.assertIn("- API_KEY1: ✗ Not set", str(calls))
        self.assertIn("- API_KEY2: ✗ Not set", str(calls))


if __name__ == "__main__":
    unittest.main()