"""Storage management CLI commands for RedundaNet."""

from __future__ import annotations

from pathlib import Path
from typing import Annotated, Optional

import typer
from rich.console import Console
from rich.panel import Panel
from rich.progress import Progress, SpinnerColumn, TextColumn
from rich.table import Table

app = typer.Typer(help="Storage management commands")
console = Console()


@app.command("status")
def storage_status(
    verbose: Annotated[
        bool,
        typer.Option("--verbose", "-v", help="Show detailed status"),
    ] = False,
) -> None:
    """Show storage status and statistics."""
    console.print(Panel("[bold]Storage Status[/bold]", expand=False))

    # Storage overview
    table = Table(title="Storage Overview", show_header=True)
    table.add_column("Metric", style="cyan")
    table.add_column("Value", style="green")

    table.add_row("Contribution", "[dim]Not configured[/dim]")
    table.add_row("Allocation", "[dim]Not configured[/dim]")
    table.add_row("Used", "[dim]Unknown[/dim]")
    table.add_row("Available", "[dim]Unknown[/dim]")

    console.print(table)

    if verbose:
        # Tahoe-LAFS status
        console.print("\n[bold]Tahoe-LAFS Configuration:[/bold]")
        tahoe_table = Table(show_header=False)
        tahoe_table.add_column("Property", style="cyan")
        tahoe_table.add_column("Value")

        tahoe_table.add_row("Shares Needed (k)", "[dim]3[/dim]")
        tahoe_table.add_row("Shares Happy", "[dim]7[/dim]")
        tahoe_table.add_row("Shares Total (n)", "[dim]10[/dim]")
        tahoe_table.add_row("Introducer FURL", "[dim]Not set[/dim]")

        console.print(tahoe_table)


@app.command("start")
def storage_start(
    client: Annotated[
        bool,
        typer.Option("--client", "-c", help="Start client service"),
    ] = True,
    storage: Annotated[
        bool,
        typer.Option("--storage", "-s", help="Start storage service"),
    ] = True,
) -> None:
    """Start storage services."""
    services = []
    if client:
        services.append("client")
    if storage:
        services.append("storage")

    if not services:
        console.print("[yellow]No services specified[/yellow]")
        return

    with Progress(
        SpinnerColumn(),
        TextColumn("[progress.description]{task.description}"),
        console=console,
    ) as progress:
        for service in services:
            task = progress.add_task(f"Starting {service}...", total=None)
            # In a real implementation, we'd start the service
            progress.update(task, completed=True)

    console.print(f"[green]Started services: {', '.join(services)}[/green]")


@app.command("stop")
def storage_stop(
    client: Annotated[
        bool,
        typer.Option("--client", "-c", help="Stop client service"),
    ] = True,
    storage: Annotated[
        bool,
        typer.Option("--storage", "-s", help="Stop storage service"),
    ] = True,
) -> None:
    """Stop storage services."""
    services = []
    if client:
        services.append("client")
    if storage:
        services.append("storage")

    if not services:
        console.print("[yellow]No services specified[/yellow]")
        return

    with console.status("[bold yellow]Stopping services..."):
        pass

    console.print(f"[yellow]Stopped services: {', '.join(services)}[/yellow]")


@app.command("mount")
def mount_storage(
    mountpoint: Annotated[
        Path,
        typer.Argument(help="Directory to mount Tahoe filesystem"),
    ] = Path("/mnt/redundanet"),
) -> None:
    """Mount the Tahoe-LAFS filesystem."""
    if not mountpoint.exists():
        console.print(f"[yellow]Creating mountpoint: {mountpoint}[/yellow]")
        mountpoint.mkdir(parents=True, exist_ok=True)

    with console.status(f"[bold green]Mounting at {mountpoint}..."):
        # In a real implementation, we'd mount the FUSE filesystem
        pass

    console.print(f"[green]Mounted at: {mountpoint}[/green]")


@app.command("unmount")
def unmount_storage(
    mountpoint: Annotated[
        Path,
        typer.Argument(help="Mountpoint to unmount"),
    ] = Path("/mnt/redundanet"),
    force: Annotated[
        bool,
        typer.Option("--force", "-f", help="Force unmount"),
    ] = False,
) -> None:
    """Unmount the Tahoe-LAFS filesystem."""
    with console.status(f"[bold yellow]Unmounting {mountpoint}..."):
        # In a real implementation, we'd unmount
        pass

    console.print(f"[yellow]Unmounted: {mountpoint}[/yellow]")


@app.command("upload")
def upload_file(
    source: Annotated[Path, typer.Argument(help="File or directory to upload")],
    destination: Annotated[
        Optional[str],
        typer.Argument(help="Destination path in storage"),
    ] = None,
) -> None:
    """Upload a file or directory to the storage grid."""
    if not source.exists():
        console.print(f"[red]Error:[/red] Source not found: {source}")
        raise typer.Exit(1)

    dest = destination or source.name

    with Progress(
        SpinnerColumn(),
        TextColumn("[progress.description]{task.description}"),
        console=console,
    ) as progress:
        task = progress.add_task(f"Uploading {source.name}...", total=None)
        # In a real implementation, we'd upload using Tahoe-LAFS
        progress.update(task, completed=True)

    console.print(f"[green]Uploaded:[/green] {source} -> {dest}")


@app.command("download")
def download_file(
    source: Annotated[str, typer.Argument(help="Source path in storage")],
    destination: Annotated[
        Optional[Path],
        typer.Argument(help="Local destination path"),
    ] = None,
) -> None:
    """Download a file from the storage grid."""
    dest = destination or Path(source).name

    with Progress(
        SpinnerColumn(),
        TextColumn("[progress.description]{task.description}"),
        console=console,
    ) as progress:
        task = progress.add_task(f"Downloading {source}...", total=None)
        # In a real implementation, we'd download using Tahoe-LAFS
        progress.update(task, completed=True)

    console.print(f"[green]Downloaded:[/green] {source} -> {dest}")


@app.command("ls")
def list_files(
    path: Annotated[str, typer.Argument(help="Path to list")] = "/",
    long: Annotated[
        bool,
        typer.Option("--long", "-l", help="Show detailed listing"),
    ] = False,
) -> None:
    """List files in the storage grid."""
    console.print(f"[bold]Listing: {path}[/bold]")

    # In a real implementation, we'd query Tahoe-LAFS
    table = Table(show_header=True)
    table.add_column("Name")
    if long:
        table.add_column("Size")
        table.add_column("Modified")
        table.add_column("Cap")

    console.print("[dim]No files found (storage not connected)[/dim]")
    console.print(table)


@app.command("info")
def file_info(
    path: Annotated[str, typer.Argument(help="File path to inspect")],
) -> None:
    """Show detailed information about a file."""
    console.print(f"[bold]File Info: {path}[/bold]")

    table = Table(show_header=False)
    table.add_column("Property", style="cyan")
    table.add_column("Value")

    table.add_row("Path", path)
    table.add_row("Size", "[dim]Unknown[/dim]")
    table.add_row("Type", "[dim]Unknown[/dim]")
    table.add_row("Shares", "[dim]Unknown[/dim]")
    table.add_row("Health", "[dim]Unknown[/dim]")

    console.print(table)


@app.command("repair")
def repair_file(
    path: Annotated[str, typer.Argument(help="File path to repair")],
    check_only: Annotated[
        bool,
        typer.Option("--check", "-c", help="Only check, don't repair"),
    ] = False,
) -> None:
    """Check and repair file redundancy."""
    action = "Checking" if check_only else "Repairing"

    with console.status(f"[bold green]{action} {path}..."):
        # In a real implementation, we'd run tahoe check/repair
        pass

    if check_only:
        console.print("[green]File health: OK[/green]")
    else:
        console.print("[green]Repair complete[/green]")
