"""Tests for auto mode functionality"""

import os
import pytest
from unittest.mock import patch, Mock
import importlib

from mcp.types import TextContent
from tools.analyze import AnalyzeTool


class TestAutoMode:
    """Test auto mode configuration and behavior"""

    def test_auto_mode_detection(self):
        """Test that auto mode is detected correctly"""
        # Save original
        original = os.environ.get("DEFAULT_MODEL", "")
        
        try:
            # Test auto mode
            os.environ["DEFAULT_MODEL"] = "auto"
            import config
            importlib.reload(config)
            
            assert config.DEFAULT_MODEL == "auto"
            assert config.IS_AUTO_MODE is True
            
            # Test non-auto mode
            os.environ["DEFAULT_MODEL"] = "pro"
            importlib.reload(config)
            
            assert config.DEFAULT_MODEL == "pro"
            assert config.IS_AUTO_MODE is False
            
        finally:
            # Restore
            if original:
                os.environ["DEFAULT_MODEL"] = original
            else:
                os.environ.pop("DEFAULT_MODEL", None)
            importlib.reload(config)

    def test_model_capabilities_descriptions(self):
        """Test that model capabilities are properly defined"""
        from config import MODEL_CAPABILITIES_DESC
        
        # Check all expected models are present
        expected_models = ["flash", "pro", "o3", "o3-mini"]
        for model in expected_models:
            assert model in MODEL_CAPABILITIES_DESC
            assert isinstance(MODEL_CAPABILITIES_DESC[model], str)
            assert len(MODEL_CAPABILITIES_DESC[model]) > 50  # Meaningful description

    def test_tool_schema_in_auto_mode(self):
        """Test that tool schemas require model in auto mode"""
        # Save original
        original = os.environ.get("DEFAULT_MODEL", "")
        
        try:
            # Enable auto mode
            os.environ["DEFAULT_MODEL"] = "auto"
            import config
            importlib.reload(config)
            
            tool = AnalyzeTool()
            schema = tool.get_input_schema()
            
            # Model should be required
            assert "model" in schema["required"]
            
            # Model field should have detailed descriptions
            model_schema = schema["properties"]["model"]
            assert "enum" in model_schema
            assert "flash" in model_schema["enum"]
            assert "Choose the best model" in model_schema["description"]
            
        finally:
            # Restore
            if original:
                os.environ["DEFAULT_MODEL"] = original
            else:
                os.environ.pop("DEFAULT_MODEL", None)
            importlib.reload(config)

    def test_tool_schema_in_normal_mode(self):
        """Test that tool schemas don't require model in normal mode"""
        # This test uses the default from conftest.py which sets non-auto mode
        tool = AnalyzeTool()
        schema = tool.get_input_schema()
        
        # Model should not be required
        assert "model" not in schema["required"]
        
        # Model field should have simpler description
        model_schema = schema["properties"]["model"]
        assert "enum" not in model_schema
        assert "Available:" in model_schema["description"]

    @pytest.mark.asyncio
    async def test_auto_mode_requires_model_parameter(self):
        """Test that auto mode enforces model parameter"""
        # Save original
        original = os.environ.get("DEFAULT_MODEL", "")
        
        try:
            # Enable auto mode
            os.environ["DEFAULT_MODEL"] = "auto"
            import config
            importlib.reload(config)
            
            tool = AnalyzeTool()
            
            # Mock the provider to avoid real API calls
            with patch.object(tool, 'get_model_provider') as mock_provider:
                # Execute without model parameter
                result = await tool.execute({
                    "files": ["/tmp/test.py"], 
                    "prompt": "Analyze this"
                })
            
            # Should get error
            assert len(result) == 1
            response = result[0].text
            assert "error" in response
            assert "Model parameter is required" in response
            
        finally:
            # Restore
            if original:
                os.environ["DEFAULT_MODEL"] = original
            else:
                os.environ.pop("DEFAULT_MODEL", None)
            importlib.reload(config)

    def test_model_field_schema_generation(self):
        """Test the get_model_field_schema method"""
        from tools.base import BaseTool
        
        # Create a minimal concrete tool for testing
        class TestTool(BaseTool):
            def get_name(self): return "test"
            def get_description(self): return "test"
            def get_input_schema(self): return {}
            def get_system_prompt(self): return ""
            def get_request_model(self): return None
            async def prepare_prompt(self, request): return ""
        
        tool = TestTool()
        
        # Save original
        original = os.environ.get("DEFAULT_MODEL", "")
        
        try:
            # Test auto mode
            os.environ["DEFAULT_MODEL"] = "auto" 
            import config
            importlib.reload(config)
            
            schema = tool.get_model_field_schema()
            assert "enum" in schema
            assert all(model in schema["enum"] for model in ["flash", "pro", "o3"])
            assert "Choose the best model" in schema["description"]
            
            # Test normal mode
            os.environ["DEFAULT_MODEL"] = "pro"
            importlib.reload(config)
            
            schema = tool.get_model_field_schema()
            assert "enum" not in schema
            assert "Available:" in schema["description"]
            assert "'pro'" in schema["description"]
            
        finally:
            # Restore
            if original:
                os.environ["DEFAULT_MODEL"] = original
            else:
                os.environ.pop("DEFAULT_MODEL", None)
            importlib.reload(config)