"""Files router — directory listing, ffprobe, stat, path resolution."""

from __future__ import annotations

import json
import logging
from typing import Any

from fastapi import APIRouter, Depends, HTTPException, Query

from media_library_viewer_api.clients.ssh import RemoteSSHClient
from media_library_viewer_api.config import get_settings
from media_library_viewer_api.dependencies import get_ssh_client
from media_library_viewer_api.path_utils import resolve_remote_media_path

logger = logging.getLogger(__name__)

router = APIRouter(prefix="/api/files", tags=["files"])


@router.get("/list")
def list_directory(
    path: str = Query(..., description="Remote directory path to list"),
    ssh: RemoteSSHClient = Depends(get_ssh_client),
) -> dict[str, Any]:
    """List a remote directory."""
    result = ssh.list_dir(path)
    if result.exit_status != 0:
        logger.warning("Files list failed path=%s exit_status=%s", path, result.exit_status)
        raise HTTPException(status_code=400, detail=result.stderr or result.stdout or "Failed to list directory")
    entries = json.loads(result.stdout)
    logger.info("Files list path=%s entries=%s", path, len(entries))
    return {
        "path": path,
        "entries": entries,
        "count": len(entries),
    }


@router.get("/ffprobe")
def get_ffprobe(
    path: str = Query(..., description="Remote file path to probe"),
    ssh: RemoteSSHClient = Depends(get_ssh_client),
) -> dict[str, Any]:
    """Run ffprobe on a remote file and return parsed JSON."""
    try:
        data = ssh.ffprobe_json(path)
    except RuntimeError as exc:
        logger.warning("Files ffprobe failed path=%s error=%s", path, exc)
        raise HTTPException(status_code=400, detail=str(exc))
    logger.info("Files ffprobe path=%s", path)
    return data


@router.get("/stat")
def get_stat(
    path: str = Query(..., description="Remote path to stat"),
    ssh: RemoteSSHClient = Depends(get_ssh_client),
) -> dict[str, str]:
    """Run stat on a remote path."""
    result = ssh.stat_path(path)
    if result.exit_status != 0:
        logger.warning("Files stat failed path=%s exit_status=%s", path, result.exit_status)
        raise HTTPException(status_code=400, detail=result.stderr or result.stdout or "stat failed")
    logger.info("Files stat path=%s", path)
    return {"path": path, "output": result.stdout}


@router.get("/resolve-path")
def resolve_path(
    path: str = Query(..., description="Jellyfin path to resolve to SSH path"),
) -> dict[str, str]:
    """Resolve a Jellyfin path to its SSH-visible equivalent."""
    settings = get_settings()
    resolved = resolve_remote_media_path(path, settings.media_root, settings.path_prefix)
    logger.info("Files resolve path original=%s resolved=%s", path, resolved)
    return {"original": path, "resolved": resolved}