"""
Container Files Capabilities Module

Provides container file management functionality.
"""

from dataclasses import dataclass, field
from typing import Optional, Any, Dict, List


@dataclass
class ContainerFileResult:
    """Result from container file operations."""
    path: str
    container_id: str
    content: Optional[str] = None
    size: Optional[int] = None
    metadata: Dict[str, Any] = field(default_factory=dict)


def container_file_read(
    container_id: str,
    path: str,
    metadata: Optional[Dict[str, Any]] = None,
    **kwargs
) -> ContainerFileResult:
    """
    Read a file from a container.
    
    Args:
        container_id: Container ID
        path: File path in container
        metadata: Optional metadata for tracing
        
    Returns:
        ContainerFileResult with file content
        
    Example:
        >>> result = container_file_read("container-abc123", "/app/output.txt")
        >>> print(result.content)
    """
    # Placeholder implementation
    return ContainerFileResult(
        path=path,
        container_id=container_id,
        content=None,
        metadata={"status": "not_implemented", **(metadata or {})},
    )


async def acontainer_file_read(
    container_id: str,
    path: str,
    metadata: Optional[Dict[str, Any]] = None,
    **kwargs
) -> ContainerFileResult:
    """
    Async: Read a file from a container.
    
    See container_file_read() for full documentation.
    """
    return container_file_read(
        container_id=container_id,
        path=path,
        metadata=metadata,
        **kwargs
    )


def container_file_write(
    container_id: str,
    path: str,
    content: str,
    metadata: Optional[Dict[str, Any]] = None,
    **kwargs
) -> ContainerFileResult:
    """
    Write a file to a container.
    
    Args:
        container_id: Container ID
        path: File path in container
        content: File content
        metadata: Optional metadata for tracing
        
    Returns:
        ContainerFileResult with write confirmation
    """
    return ContainerFileResult(
        path=path,
        container_id=container_id,
        content=content,
        size=len(content),
        metadata={"status": "not_implemented", **(metadata or {})},
    )


async def acontainer_file_write(
    container_id: str,
    path: str,
    content: str,
    metadata: Optional[Dict[str, Any]] = None,
    **kwargs
) -> ContainerFileResult:
    """
    Async: Write a file to a container.
    
    See container_file_write() for full documentation.
    """
    return container_file_write(
        container_id=container_id,
        path=path,
        content=content,
        metadata=metadata,
        **kwargs
    )


def container_file_list(
    container_id: str,
    path: str = "/",
    metadata: Optional[Dict[str, Any]] = None,
    **kwargs
) -> List[ContainerFileResult]:
    """
    List files in a container directory.
    
    Args:
        container_id: Container ID
        path: Directory path in container
        metadata: Optional metadata for tracing
        
    Returns:
        List of ContainerFileResult objects
    """
    return []


async def acontainer_file_list(
    container_id: str,
    path: str = "/",
    metadata: Optional[Dict[str, Any]] = None,
    **kwargs
) -> List[ContainerFileResult]:
    """
    Async: List files in a container directory.
    
    See container_file_list() for full documentation.
    """
    return container_file_list(
        container_id=container_id,
        path=path,
        metadata=metadata,
        **kwargs
    )
