"""
Simple tests for Stagehand Integration with Swarms
=================================================

These tests verify the basic structure and functionality of the
Stagehand integration without requiring external dependencies.
"""

import json
import pytest
from unittest.mock import MagicMock


class TestStagehandIntegrationStructure:
    """Test that integration files have correct structure."""

    def test_examples_directory_exists(self):
        """Test that examples directory structure is correct."""
        import os

        base_path = "examples/stagehand"
        assert os.path.exists(base_path)

        expected_files = [
            "1_stagehand_wrapper_agent.py",
            "2_stagehand_tools_agent.py",
            "3_stagehand_mcp_agent.py",
            "4_stagehand_multi_agent_workflow.py",
            "README.md",
            "requirements.txt",
        ]

        for file in expected_files:
            file_path = os.path.join(base_path, file)
            assert os.path.exists(file_path), f"Missing file: {file}"

    def test_wrapper_agent_imports(self):
        """Test that wrapper agent has correct imports."""
        with open(
            "examples/stagehand/1_stagehand_wrapper_agent.py", "r"
        ) as f:
            content = f.read()

        # Check for required imports
        assert "from swarms import Agent" in content
        assert "import asyncio" in content
        assert "import json" in content
        assert "class StagehandAgent" in content

    def test_tools_agent_imports(self):
        """Test that tools agent has correct imports."""
        with open(
            "examples/stagehand/2_stagehand_tools_agent.py", "r"
        ) as f:
            content = f.read()

        # Check for required imports
        assert "from swarms import Agent" in content
        assert "def navigate_browser" in content
        assert "def browser_act" in content
        assert "def browser_extract" in content

    def test_mcp_agent_imports(self):
        """Test that MCP agent has correct imports."""
        with open(
            "examples/stagehand/3_stagehand_mcp_agent.py", "r"
        ) as f:
            content = f.read()

        # Check for required imports
        assert "from swarms import Agent" in content
        assert "class StagehandMCPAgent" in content
        assert "mcp_url" in content

    def test_workflow_agent_imports(self):
        """Test that workflow agent has correct imports."""
        with open(
            "examples/stagehand/4_stagehand_multi_agent_workflow.py",
            "r",
        ) as f:
            content = f.read()

        # Check for required imports
        assert (
            "from swarms import Agent, SequentialWorkflow, ConcurrentWorkflow"
            in content
        )
        assert (
            "from swarms.structs.agent_rearrange import AgentRearrange"
            in content
        )


class TestStagehandMockIntegration:
    """Test Stagehand integration with mocked dependencies."""

    def test_mock_stagehand_initialization(self):
        """Test that Stagehand can be mocked and initialized."""

        # Setup mock without importing actual stagehand
        mock_stagehand = MagicMock()
        mock_instance = MagicMock()
        mock_instance.init = MagicMock()
        mock_stagehand.return_value = mock_instance

        # Mock config creation
        config = MagicMock()
        stagehand_instance = mock_stagehand(config)

        # Verify mock works
        assert stagehand_instance is not None
        assert hasattr(stagehand_instance, "init")

    def test_json_serialization(self):
        """Test JSON serialization for agent responses."""

        # Test data that would come from browser automation
        test_data = {
            "task": "Navigate to example.com",
            "status": "completed",
            "data": {
                "navigated_to": "https://example.com",
                "extracted": ["item1", "item2"],
                "action": "navigate",
            },
        }

        # Test serialization
        json_result = json.dumps(test_data, indent=2)
        assert isinstance(json_result, str)

        # Test deserialization
        parsed_data = json.loads(json_result)
        assert parsed_data["task"] == "Navigate to example.com"
        assert parsed_data["status"] == "completed"
        assert len(parsed_data["data"]["extracted"]) == 2

    def test_url_extraction_logic(self):
        """Test URL extraction logic from task strings."""
        import re

        # Test cases
        test_cases = [
            (
                "Navigate to https://example.com",
                ["https://example.com"],
            ),
            ("Go to google.com and search", ["google.com"]),
            (
                "Visit https://github.com/repo",
                ["https://github.com/repo"],
            ),
            ("Open example.org", ["example.org"]),
        ]

        url_pattern = r"https?://[^\s]+"
        domain_pattern = r"(\w+\.\w+)"

        for task, expected in test_cases:
            # Extract full URLs
            urls = re.findall(url_pattern, task)

            # If no full URLs, extract domains
            if not urls:
                domains = re.findall(domain_pattern, task)
                if domains:
                    urls = domains

            assert (
                len(urls) > 0
            ), f"Failed to extract URL from: {task}"
            assert (
                urls[0] in expected
            ), f"Expected {expected}, got {urls}"


class TestSwarmsPatternsCompliance:
    """Test compliance with Swarms framework patterns."""

    def test_agent_inheritance_pattern(self):
        """Test that wrapper agent follows Swarms Agent inheritance pattern."""

        # Read the wrapper agent file
        with open(
            "examples/stagehand/1_stagehand_wrapper_agent.py", "r"
        ) as f:
            content = f.read()

        # Check inheritance pattern
        assert "class StagehandAgent(SwarmsAgent):" in content
        assert "def run(self, task: str" in content
        assert "return" in content

    def test_tools_pattern(self):
        """Test that tools follow Swarms function-based pattern."""

        # Read the tools agent file
        with open(
            "examples/stagehand/2_stagehand_tools_agent.py", "r"
        ) as f:
            content = f.read()

        # Check function-based tool pattern
        assert "def navigate_browser(url: str) -> str:" in content
        assert "def browser_act(action: str) -> str:" in content
        assert "def browser_extract(query: str) -> str:" in content
        assert "def browser_observe(query: str) -> str:" in content

    def test_mcp_integration_pattern(self):
        """Test MCP integration follows Swarms pattern."""

        # Read the MCP agent file
        with open(
            "examples/stagehand/3_stagehand_mcp_agent.py", "r"
        ) as f:
            content = f.read()

        # Check MCP pattern
        assert "mcp_url=" in content
        assert "Agent(" in content

    def test_workflow_patterns(self):
        """Test workflow patterns are properly used."""

        # Read the workflow file
        with open(
            "examples/stagehand/4_stagehand_multi_agent_workflow.py",
            "r",
        ) as f:
            content = f.read()

        # Check workflow patterns
        assert "SequentialWorkflow" in content
        assert "ConcurrentWorkflow" in content
        assert "AgentRearrange" in content


class TestDocumentationAndExamples:
    """Test documentation and example completeness."""

    def test_readme_completeness(self):
        """Test that README contains essential information."""

        with open("examples/stagehand/README.md", "r") as f:
            content = f.read()

        required_sections = [
            "# Stagehand Browser Automation Integration",
            "## Overview",
            "## Examples",
            "## Setup",
            "## Use Cases",
            "## Best Practices",
        ]

        for section in required_sections:
            assert section in content, f"Missing section: {section}"

    def test_requirements_file(self):
        """Test that requirements file has necessary dependencies."""

        with open("examples/stagehand/requirements.txt", "r") as f:
            content = f.read()

        required_deps = [
            "swarms",
            "stagehand",
            "python-dotenv",
            "pydantic",
            "loguru",
        ]

        for dep in required_deps:
            assert dep in content, f"Missing dependency: {dep}"

    def test_example_files_have_docstrings(self):
        """Test that example files have proper docstrings."""

        example_files = [
            "examples/stagehand/1_stagehand_wrapper_agent.py",
            "examples/stagehand/2_stagehand_tools_agent.py",
            "examples/stagehand/3_stagehand_mcp_agent.py",
            "examples/stagehand/4_stagehand_multi_agent_workflow.py",
        ]

        for file_path in example_files:
            with open(file_path, "r") as f:
                content = f.read()

            # Check for module docstring
            assert (
                '"""' in content[:500]
            ), f"Missing docstring in {file_path}"

            # Check for main execution block
            assert (
                'if __name__ == "__main__":' in content
            ), f"Missing main block in {file_path}"


if __name__ == "__main__":
    pytest.main([__file__, "-v"])
