from __future__ import annotations

from uuid import UUID

from fastapi import APIRouter, Depends
from sqlalchemy.orm import Session

from app.db.session import get_db
from app.schemas import Envelope, ItemList
from app.schemas.temporal import (
    TemporalComparisonRequest,
    TemporalComparisonResponse,
    TemporalSeriesRead,
)
from app.services.temporal_analysis_service import TemporalAnalysisService
from app.utils.response import envelope


router = APIRouter(prefix="/projects/{project_id}/temporal", tags=["temporal"])


@router.get("/series", response_model=Envelope[ItemList[TemporalSeriesRead]])
def list_temporal_series(project_id: UUID, db: Session = Depends(get_db)):
    series = TemporalAnalysisService.list_series(db, project_id)
    return envelope({"items": [item.model_dump() for item in series], "total": len(series)})


@router.post("/compare", response_model=Envelope[TemporalComparisonResponse])
def compare_temporal_snapshots(
    project_id: UUID,
    payload: TemporalComparisonRequest,
    db: Session = Depends(get_db),
):
    return envelope(TemporalAnalysisService.compare(db, project_id=project_id, payload=payload).model_dump())