from __future__ import annotations

from fastapi import APIRouter, Depends

from app.models.schemas import LinkRequest, LinkResponse
from app.services.link_calculator import LinkCalculator

router = APIRouter(prefix="/v1", tags=["link"])


def get_link_calculator() -> LinkCalculator:
  from app.main import link_calculator

  return link_calculator


@router.post("/link", response_model=LinkResponse)
async def calculate_link(
  request: LinkRequest,
  calculator: LinkCalculator = Depends(get_link_calculator),
) -> LinkResponse:
  return await calculator.calculate_link(
    from_pt=request.from_,
    to_pt=request.to,
    frequency_mhz=request.frequency_mhz,
    fresnel_clearance=request.fresnel_clearance,
    tx_power_dbm=request.tx_power_dbm,
    rx_sensitivity_dbm=request.rx_sensitivity_dbm,
    sample_step_m=request.sample_step_m,
  )