"""
pyserve down - Stop all services
"""

import signal
import time
from pathlib import Path
from typing import Any, cast

import click


@click.command("down")
@click.option(
    "--timeout",
    "timeout",
    default=30,
    type=int,
    help="Timeout in seconds for graceful shutdown",
)
@click.option(
    "-v",
    "--volumes",
    is_flag=True,
    help="Remove volumes/data",
)
@click.option(
    "--remove-orphans",
    is_flag=True,
    help="Remove orphaned services",
)
@click.pass_obj
def down_cmd(
    ctx: Any,
    timeout: int,
    volumes: bool,
    remove_orphans: bool,
) -> None:
    """
    Stop and remove all services.

    \b
    Examples:
      pyserve down                  # Stop all services
      pyserve down --timeout 60     # Extended shutdown timeout
      pyserve down -v               # Remove volumes too
    """
    from ..output import console, print_error, print_info, print_success, print_warning
    from ..state import StateManager

    state_manager = StateManager(Path(".pyserve"), ctx.project)

    if state_manager.is_daemon_running():
        daemon_pid = state_manager.get_daemon_pid()
        console.print(f"[bold]Stopping PyServe daemon (PID: {daemon_pid})...[/bold]")

        try:
            import os

            # FIXME: Please fix the cast usage here
            os.kill(cast(int, daemon_pid), signal.SIGTERM)

            start_time = time.time()
            while time.time() - start_time < timeout:
                try:
                    # FIXME: Please fix the cast usage here
                    os.kill(cast(int, daemon_pid), 0)
                    time.sleep(0.5)
                except ProcessLookupError:
                    break
            else:
                print_warning("Graceful shutdown timed out, forcing...")
                try:
                    # FIXME: Please fix the cast usage here
                    os.kill(cast(int, daemon_pid), signal.SIGKILL)
                except ProcessLookupError:
                    pass

            state_manager.clear_daemon_pid()
            print_success("PyServe daemon stopped")

        except ProcessLookupError:
            print_info("Daemon was not running")
            state_manager.clear_daemon_pid()
        except PermissionError:
            print_error("Permission denied to stop daemon")
            raise click.Abort()
    else:
        services = state_manager.get_all_services()

        if not services:
            print_info("No services are running")
            return

        console.print("[bold]Stopping services...[/bold]")

        from ...config import Config
        from .._runner import ServiceRunner

        config_path = Path(ctx.config_file)
        if config_path.exists():
            config = Config.from_yaml(str(config_path))
        else:
            config = Config()

        runner = ServiceRunner(config, state_manager)

        import asyncio

        try:
            asyncio.run(runner.stop_all(timeout=timeout))
            print_success("All services stopped")
        except Exception as e:
            print_error(f"Error stopping services: {e}")

    if volumes:
        console.print("Cleaning up state...")
        state_manager.clear()
        print_info("State cleared")

    if remove_orphans:
        # This would remove services that are in state but not in config
        pass