"""Tree membership management endpoints (owner-managed; members can list)."""

import uuid

from fastapi import APIRouter, status

from app.api.deps import CurrentUser, SessionDep
from app.schemas.membership import MemberAdd, MemberRoleUpdate, MembershipRead
from app.services import membership_service, tree_service

router = APIRouter(prefix="/trees", tags=["members"])


@router.get("/{tree_id}/members", response_model=list[MembershipRead])
async def list_members(
    tree_id: uuid.UUID, session: SessionDep, current: CurrentUser
) -> list[MembershipRead]:
    tree = await tree_service.get_tree(session, viewer_id=current.id, tree_id=tree_id)
    rows = await membership_service.list_members(session, viewer_id=current.id, tree=tree)
    return [MembershipRead(**r) for r in rows]


@router.post(
    "/{tree_id}/members", response_model=MembershipRead, status_code=status.HTTP_201_CREATED
)
async def add_member(
    tree_id: uuid.UUID, data: MemberAdd, session: SessionDep, current: CurrentUser
) -> MembershipRead:
    tree = await tree_service.get_tree(session, viewer_id=current.id, tree_id=tree_id)
    row = await membership_service.add_member(
        session, actor=current, tree=tree, email=data.email, role=data.role
    )
    return MembershipRead(**row)


@router.patch("/{tree_id}/members/{membership_id}", response_model=MembershipRead)
async def update_member(
    tree_id: uuid.UUID,
    membership_id: uuid.UUID,
    data: MemberRoleUpdate,
    session: SessionDep,
    current: CurrentUser,
) -> MembershipRead:
    tree = await tree_service.get_tree(session, viewer_id=current.id, tree_id=tree_id)
    row = await membership_service.update_member_role(
        session, actor=current, tree=tree, membership_id=membership_id, role=data.role
    )
    return MembershipRead(**row)


@router.delete("/{tree_id}/members/{membership_id}", status_code=status.HTTP_204_NO_CONTENT)
async def remove_member(
    tree_id: uuid.UUID,
    membership_id: uuid.UUID,
    session: SessionDep,
    current: CurrentUser,
) -> None:
    tree = await tree_service.get_tree(session, viewer_id=current.id, tree_id=tree_id)
    await membership_service.remove_member(
        session, actor=current, tree=tree, membership_id=membership_id
    )