"""Debug CLI — task management commands."""
import click
import httpx

from cli._context import CliContext, get_http_headers, output, error_output
from services import task_service


@click.group("tasks")
def tasks_group() -> None:
    """Background task management commands."""
    pass


@tasks_group.command("status")
@click.argument("task_id")
@click.pass_context
def task_status(ctx: click.Context, task_id: str) -> None:
    """Get the status of a background task."""
    cli_ctx: CliContext = ctx.obj["cli_ctx"]

    try:
        if cli_ctx.use_http:
            resp = httpx.get(
                f"{cli_ctx.api_base_url}/api/task_status",
                headers=get_http_headers(cli_ctx.user_email),
                params={"task_id": task_id},
            )
            resp.raise_for_status()
            data = resp.json()
        else:
            status = task_service.get_task_status(task_id)
            data = {
                "task_id": status.task_id,
                "status": status.status,
                "progress": status.progress,
                "processed": status.processed,
                "total": status.total,
                "message": status.message,
                "error": status.error,
            }

        output(data, cli_ctx.json_output)
    except httpx.HTTPStatusError as e:
        error_output(f"HTTP {e.response.status_code}: {e.response.text}", cli_ctx.json_output)
    except Exception as e:
        error_output(str(e), cli_ctx.json_output)


@tasks_group.command("list")
@click.pass_context
def list_tasks(ctx: click.Context) -> None:
    """List all task IDs for the user."""
    cli_ctx: CliContext = ctx.obj["cli_ctx"]

    try:
        if cli_ctx.use_http:
            resp = httpx.get(
                f"{cli_ctx.api_base_url}/api/tasks_for_user",
                headers=get_http_headers(cli_ctx.user_email),
            )
            resp.raise_for_status()
            data = resp.json()
        else:
            data = task_service.get_user_tasks(cli_ctx.user_email)

        output(data, cli_ctx.json_output)
    except httpx.HTTPStatusError as e:
        error_output(f"HTTP {e.response.status_code}: {e.response.text}", cli_ctx.json_output)
    except Exception as e:
        error_output(str(e), cli_ctx.json_output)


@tasks_group.command("cancel")
@click.argument("task_id")
@click.pass_context
def cancel_task(ctx: click.Context, task_id: str) -> None:
    """Cancel a running task."""
    cli_ctx: CliContext = ctx.obj["cli_ctx"]

    try:
        if cli_ctx.use_http:
            resp = httpx.post(
                f"{cli_ctx.api_base_url}/api/cancel_task",
                headers=get_http_headers(cli_ctx.user_email),
                params={"task_id": task_id},
            )
            resp.raise_for_status()
            data = resp.json()
        else:
            task_service.cancel_task(task_id, user_email=cli_ctx.user_email)
            data = {"success": True, "message": "Task cancelled"}

        output(data, cli_ctx.json_output)
    except httpx.HTTPStatusError as e:
        error_output(f"HTTP {e.response.status_code}: {e.response.text}", cli_ctx.json_output)
    except Exception as e:
        error_output(str(e), cli_ctx.json_output)


@tasks_group.command("clear")
@click.pass_context
def clear_tasks(ctx: click.Context) -> None:
    """Clear all tasks for the user."""
    cli_ctx: CliContext = ctx.obj["cli_ctx"]

    try:
        if cli_ctx.use_http:
            resp = httpx.post(
                f"{cli_ctx.api_base_url}/api/clear_all_tasks",
                headers=get_http_headers(cli_ctx.user_email),
            )
            resp.raise_for_status()
            data = resp.json()
        else:
            count = task_service.clear_all_tasks(cli_ctx.user_email)
            data = {"success": True, "count": count, "message": f"Cleared {count} tasks"}

        output(data, cli_ctx.json_output)
    except httpx.HTTPStatusError as e:
        error_output(f"HTTP {e.response.status_code}: {e.response.text}", cli_ctx.json_output)
    except Exception as e:
        error_output(str(e), cli_ctx.json_output)