from __future__ import annotations

import uuid

from fastapi import APIRouter, Depends, Query, status
from sqlalchemy.ext.asyncio import AsyncSession

from app.core.deps import get_current_user, get_db_session
from app.schemas.document import DocumentCreate, DocumentSummary
from app.schemas.etmf import EtmfNodeCreate, EtmfNodeRead, EtmfNodeUpdate, EtmfTreeNode
from app.services import etmf_service

router = APIRouter()


@router.get("/tree", response_model=list[EtmfTreeNode])
async def get_etmf_tree(
    study_id: uuid.UUID = Query(...),
    db: AsyncSession = Depends(get_db_session),
    current_user=Depends(get_current_user),
) -> list[EtmfTreeNode]:
    return await etmf_service.list_etmf_tree(db, study_id=study_id, current_user=current_user)


@router.post("/nodes", response_model=EtmfNodeRead, status_code=status.HTTP_201_CREATED)
async def create_etmf_node(
    payload: EtmfNodeCreate,
    db: AsyncSession = Depends(get_db_session),
    current_user=Depends(get_current_user),
) -> EtmfNodeRead:
    node = await etmf_service.create_node(db, payload, current_user)
    return EtmfNodeRead.model_validate(node)


@router.patch("/nodes/{node_id}", response_model=EtmfNodeRead)
async def update_etmf_node(
    node_id: uuid.UUID,
    payload: EtmfNodeUpdate,
    db: AsyncSession = Depends(get_db_session),
    current_user=Depends(get_current_user),
) -> EtmfNodeRead:
    node = await etmf_service.update_node(db, node_id, payload, current_user)
    return EtmfNodeRead.model_validate(node)


@router.get("/nodes/{node_id}/documents", response_model=list[DocumentSummary])
async def list_etmf_node_documents(
    node_id: uuid.UUID,
    site_id: uuid.UUID | None = Query(None),
    db: AsyncSession = Depends(get_db_session),
    current_user=Depends(get_current_user),
) -> list[DocumentSummary]:
    return await etmf_service.list_node_documents(db, node_id=node_id, site_id=site_id, current_user=current_user)


@router.post("/nodes/{node_id}/documents", response_model=DocumentSummary, status_code=status.HTTP_201_CREATED)
async def create_etmf_node_document(
    node_id: uuid.UUID,
    payload: DocumentCreate,
    db: AsyncSession = Depends(get_db_session),
    current_user=Depends(get_current_user),
) -> DocumentSummary:
    return await etmf_service.create_node_document(db, node_id=node_id, payload=payload, current_user=current_user)