import logging
import os

from fastapi import FastAPI, Header, HTTPException

from app.models import CreateCompanyRequest, CreateCompanyResponse
from app.raynet_client import (
    RaynetAuthError,
    RaynetClient,
    RaynetError,
    RaynetValidationError,
)

logging.basicConfig(level=os.getenv("LOG_LEVEL", "INFO"))
logger = logging.getLogger(__name__)

APP_NAME = os.getenv("APP_NAME", "raynet")
APP_VERSION = os.getenv("APP_VERSION", "1.0.0")
ROOT_PATH = os.getenv("ROOT_PATH", "")

app = FastAPI(
    title=APP_NAME,
    version=APP_VERSION,
    root_path=ROOT_PATH,
    description="Stateless proxy nad RAYNET CRM API v2.",
)


@app.get("/health")
def health():
    return {"status": "ok"}


@app.get("/version")
def version():
    return {
        "app": APP_NAME,
        "version": APP_VERSION,
        "language": "python",
        "root_path": ROOT_PATH,
    }


@app.post("/company", response_model=CreateCompanyResponse, tags=["company"])
def create_company(
    request: CreateCompanyRequest,
    x_api_key: str = Header(
        ...,
        alias="X-Api-Key",
        description="RAYNET API klíč (secret). Předává se výhradně hlavičkou.",
    ),
):
    """Vytvoří firmu v RAYNET CRM.

    - **X-Api-Key** (hlavička, secret): API klíč z RAYNET (Nastavení > API).
    - **email** / **instance_name** (tělo): identifikátory účtu a instance.
    - **company** (tělo): data firmy dle RAYNET CompanyInsertDto.
    """
    try:
        with RaynetClient(
            api_key=x_api_key,
            email=request.email,
            instance_name=request.instance_name,
        ) as client:
            # Posíláme jen vyplněná pole (žádné None), aby RAYNET nedostal prázdné hodnoty.
            data = request.company.model_dump(exclude_none=True)
            result = client.create_company(data)
    except RaynetAuthError as exc:
        raise HTTPException(status_code=401, detail=exc.message) from exc
    except RaynetValidationError as exc:
        raise HTTPException(status_code=400, detail=exc.message) from exc
    except RaynetError as exc:
        raise HTTPException(status_code=502, detail=exc.message) from exc

    return CreateCompanyResponse(id=result.get("id"), success=True, raw=result)