"""
Explain command for Vaahai CLI.

This module implements the 'explain' command, which generates explanations for code.
"""

from enum import Enum
from pathlib import Path
from typing import Optional

import typer
from rich.console import Console

console = Console()

# Define enums for command options
class ExplainDepth(str, Enum):
    BRIEF = "brief"
    STANDARD = "standard"
    DETAILED = "detailed"

class OutputFormat(str, Enum):
    TERMINAL = "terminal"
    MARKDOWN = "markdown"
    HTML = "html"

# Create the command app
app = typer.Typer(help="Generate code explanations")

@app.command()
def main(
    path: Path = typer.Argument(
        ...,
        exists=True,
        help="Path to file to explain",
    ),
    depth: ExplainDepth = typer.Option(
        ExplainDepth.STANDARD,
        help="Explanation depth",
    ),
    output: OutputFormat = typer.Option(
        OutputFormat.TERMINAL,
        help="Output format",
    ),
    output_file: Optional[Path] = typer.Option(
        None,
        help="Output file path",
    ),
    private: bool = typer.Option(
        False,
        help="Use only local resources",
    ),
) -> None:
    """
    Generate explanations for code.
    
    This command uses LLM capabilities to generate human-readable
    explanations of code functionality and structure.
    """
    console.print(f"[bold]Explaining:[/bold] {path}")
    console.print(f"[bold]Depth:[/bold] {depth.value}")
    
    # Placeholder for actual implementation
    console.print("[yellow]This is a skeleton implementation. Actual explanation functionality will be implemented in future tasks.[/yellow]")
