from typing import Annotated
from uuid import UUID

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

from app.core.deps import get_session, get_tenant_context, require_min_role
from app.crud.bed import crud_bed
from app.models.user import TenantRole
from app.schemas.bed import BedCreate, BedDetailRead, BedRead, BedUpdate

router = APIRouter(prefix="/beds", tags=["Beete"])

TenantCtx = Annotated[tuple, Depends(get_tenant_context)]
WriteCtx = Annotated[tuple, Depends(require_min_role(TenantRole.READ_WRITE))]
AdminCtx = Annotated[tuple, Depends(require_min_role(TenantRole.TENANT_ADMIN))]


@router.get("", response_model=list[BedRead])
async def list_beds(
    db: Annotated[AsyncSession, Depends(get_session)],
    ctx: TenantCtx,
) -> list[BedRead]:
    _, tenant_id = ctx
    beds = await crud_bed.get_multi_for_tenant(db, tenant_id=tenant_id)
    return [BedRead.model_validate(b) for b in beds]


@router.get("/{bed_id}", response_model=BedDetailRead)
async def get_bed(
    bed_id: UUID,
    db: Annotated[AsyncSession, Depends(get_session)],
    ctx: TenantCtx,
) -> BedDetailRead:
    _, tenant_id = ctx
    bed = await crud_bed.get_with_plantings(db, id=bed_id)
    if not bed or bed.tenant_id != tenant_id:
        raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Beet nicht gefunden.")
    return BedDetailRead.model_validate(bed)


@router.post("", response_model=BedRead, status_code=status.HTTP_201_CREATED)
async def create_bed(
    body: BedCreate,
    db: Annotated[AsyncSession, Depends(get_session)],
    ctx: WriteCtx,
) -> BedRead:
    _, tenant_id, _ = ctx
    bed = await crud_bed.create_for_tenant(db, obj_in=body, tenant_id=tenant_id)
    return BedRead.model_validate(bed)


@router.put("/{bed_id}", response_model=BedRead)
async def update_bed(
    bed_id: UUID,
    body: BedUpdate,
    db: Annotated[AsyncSession, Depends(get_session)],
    ctx: WriteCtx,
) -> BedRead:
    _, tenant_id, _ = ctx
    bed = await crud_bed.get(db, id=bed_id)
    if not bed or bed.tenant_id != tenant_id:
        raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Beet nicht gefunden.")
    updated = await crud_bed.update(db, db_obj=bed, obj_in=body)
    return BedRead.model_validate(updated)


@router.delete("/{bed_id}", status_code=status.HTTP_204_NO_CONTENT)
async def delete_bed(
    bed_id: UUID,
    db: Annotated[AsyncSession, Depends(get_session)],
    ctx: AdminCtx,
) -> None:
    _, tenant_id, _ = ctx
    bed = await crud_bed.get(db, id=bed_id)
    if not bed or bed.tenant_id != tenant_id:
        raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Beet nicht gefunden.")
    await crud_bed.remove(db, id=bed_id)