from fastapi import APIRouter, Depends, HTTPException

from hub.auth import get_current_user
from hub.firm import Firm, FirmRead, FirmCreate, FirmUpdate


router = APIRouter()

@router.get("/", response_model=list[FirmRead], response_description="List of firms owned by the current user")
async def read_list(user=Depends(get_current_user)) -> list[FirmRead]:
    return await Firm.find({ "owner": user.id}).to_list()

@router.post("/", response_description="Firm added to the database")
async def create(item: FirmCreate, user=Depends(get_current_user)) -> FirmRead:
    exists = await Firm.get_by_name(item.instance, item.firm)
    if exists:
        raise HTTPException(status_code=400, detail="Firm already exists")

    record = Firm(created_by=user.id, updated_by=user.id, owner=user.id, **item.model_dump())
    o = await record.create()
    user.firms.append({"instance": item.instance, "firm": item.firm})
    await user.save()
    return FirmRead(**o.model_dump())

@router.get("/{instance}/{firm}", response_description="Firm retrieved")
async def read_id(instance: str, firm: str, user=Depends(get_current_user)) -> FirmRead:
    item = await Firm.get_by_name(instance, firm)
    if not item or not user.belong_to(item) not in user.firms:
        raise HTTPException(status_code=404, detail="Item not found")

    return FirmRead(**item.model_dump())


@router.put("/{instance}/{firm}", response_description="Firm updated")
async def update(instance: str, firm: str, req: FirmUpdate, user=Depends(get_current_user)) -> FirmRead:
    item = await Firm.get_by_name(instance, firm)
    if not item or not user.belong_to(item) not in user.firms:
        raise HTTPException(status_code=404, detail="Item not found")

    if item.owner != user.id:
        raise HTTPException(
            status_code=403,
            detail="Insufficient credentials to modify Firm"
        )

    req = {k: v for k, v in req.model_dump().items() if v is not None}
    update_query = {"$set": {
        field: value for field, value in req.items()
    }}

    await item.update(update_query)
    return FirmRead(**item.dict())

@router.delete("/{instance}/{firm}", response_description="Firm deleted from the database")
async def delete(instance: str, firm: str, user=Depends(get_current_user)) -> dict:
    item = await Firm.get_by_name(instance, firm)
    if not item or not user.belong_to(item) not in user.firms:
        raise HTTPException(status_code=404, detail="Firm not found")

    if item.owner != user.id:
        raise HTTPException(
            status_code=403,
            detail="Insufficient credentials delete Firm"
        )

    await item.delete()
    return {
        "message": "Firm deleted successfully"
    }