"""
Linux BenchTools - Links API
"""

from fastapi import APIRouter, Depends, HTTPException, status
from sqlalchemy.orm import Session
from typing import List

from app.db.session import get_db
from app.schemas.link import LinkCreate, LinkUpdate, LinkResponse
from app.models.manufacturer_link import ManufacturerLink
from app.models.device import Device

router = APIRouter()


@router.get("/devices/{device_id}/links", response_model=List[LinkResponse])
async def get_device_links(
    device_id: int,
    db: Session = Depends(get_db)
):
    """Get all links for a device"""
    device = db.query(Device).filter(Device.id == device_id).first()
    if not device:
        raise HTTPException(status_code=404, detail="Device not found")

    links = db.query(ManufacturerLink).filter(ManufacturerLink.device_id == device_id).all()

    return [
        LinkResponse(
            id=link.id,
            device_id=link.device_id,
            label=link.label,
            url=link.url
        )
        for link in links
    ]


@router.post("/devices/{device_id}/links", response_model=LinkResponse, status_code=status.HTTP_201_CREATED)
async def create_device_link(
    device_id: int,
    link_data: LinkCreate,
    db: Session = Depends(get_db)
):
    """Add a link to a device"""
    device = db.query(Device).filter(Device.id == device_id).first()
    if not device:
        raise HTTPException(status_code=404, detail="Device not found")

    link = ManufacturerLink(
        device_id=device_id,
        label=link_data.label,
        url=link_data.url
    )

    db.add(link)
    db.commit()
    db.refresh(link)

    return LinkResponse(
        id=link.id,
        device_id=link.device_id,
        label=link.label,
        url=link.url
    )


@router.put("/links/{link_id}", response_model=LinkResponse)
async def update_link(
    link_id: int,
    link_data: LinkUpdate,
    db: Session = Depends(get_db)
):
    """Update a link"""
    link = db.query(ManufacturerLink).filter(ManufacturerLink.id == link_id).first()
    if not link:
        raise HTTPException(status_code=404, detail="Link not found")

    link.label = link_data.label
    link.url = link_data.url

    db.commit()
    db.refresh(link)

    return LinkResponse(
        id=link.id,
        device_id=link.device_id,
        label=link.label,
        url=link.url
    )


@router.delete("/links/{link_id}", status_code=status.HTTP_204_NO_CONTENT)
async def delete_link(
    link_id: int,
    db: Session = Depends(get_db)
):
    """Delete a link"""
    link = db.query(ManufacturerLink).filter(ManufacturerLink.id == link_id).first()
    if not link:
        raise HTTPException(status_code=404, detail="Link not found")

    db.delete(link)
    db.commit()

    return None