from fastapi import APIRouter, Depends, HTTPException, Query
from typing import List, Any, Dict
from datetime import datetime
from psycopg import AsyncConnection

from .database import get_db_connection
from .schemas.realtime import RealtimeRepository
from .schemas.scheme import SchemeRepository
from .schemas.scada import ScadaRepository

router = APIRouter(prefix="/timescaledb", tags=["TimescaleDB"])

# --- Realtime Endpoints ---

@router.post("/realtime/links/batch", status_code=201)
async def insert_realtime_links(
    data: List[dict],
    conn: AsyncConnection = Depends(get_db_connection)
):
    await RealtimeRepository.insert_links_batch(conn, data)
    return {"message": f"Inserted {len(data)} records"}

@router.get("/realtime/links")
async def get_realtime_links(
    start_time: datetime,
    end_time: datetime,
    conn: AsyncConnection = Depends(get_db_connection)
):
    return await RealtimeRepository.get_links_by_time(conn, start_time, end_time)

@router.patch("/realtime/links/{link_id}/field")
async def update_realtime_link_field(
    link_id: str,
    time: datetime,
    field: str,
    value: float, # Assuming float for now, could be Any but FastAPI needs type
    conn: AsyncConnection = Depends(get_db_connection)
):
    try:
        await RealtimeRepository.update_link_field(conn, time, link_id, field, value)
        return {"message": "Updated successfully"}
    except ValueError as e:
        raise HTTPException(status_code=400, detail=str(e))

@router.post("/realtime/nodes/batch", status_code=201)
async def insert_realtime_nodes(
    data: List[dict],
    conn: AsyncConnection = Depends(get_db_connection)
):
    await RealtimeRepository.insert_nodes_batch(conn, data)
    return {"message": f"Inserted {len(data)} records"}

@router.get("/realtime/nodes")
async def get_realtime_nodes(
    start_time: datetime,
    end_time: datetime,
    conn: AsyncConnection = Depends(get_db_connection)
):
    return await RealtimeRepository.get_nodes_by_time(conn, start_time, end_time)

# --- Scheme Endpoints ---

@router.post("/scheme/links/batch", status_code=201)
async def insert_scheme_links(
    data: List[dict],
    conn: AsyncConnection = Depends(get_db_connection)
):
    await SchemeRepository.insert_links_batch(conn, data)
    return {"message": f"Inserted {len(data)} records"}

@router.get("/scheme/links")
async def get_scheme_links(
    scheme: str,
    start_time: datetime,
    end_time: datetime,
    conn: AsyncConnection = Depends(get_db_connection)
):
    return await SchemeRepository.get_links_by_scheme_and_time(conn, scheme, start_time, end_time)

@router.post("/scheme/nodes/batch", status_code=201)
async def insert_scheme_nodes(
    data: List[dict],
    conn: AsyncConnection = Depends(get_db_connection)
):
    await SchemeRepository.insert_nodes_batch(conn, data)
    return {"message": f"Inserted {len(data)} records"}

# --- SCADA Endpoints ---

@router.post("/scada/batch", status_code=201)
async def insert_scada_data(
    data: List[dict],
    conn: AsyncConnection = Depends(get_db_connection)
):
    await ScadaRepository.insert_batch(conn, data)
    return {"message": f"Inserted {len(data)} records"}

@router.get("/scada")
async def get_scada_data(
    device_id: str,
    start_time: datetime,
    end_time: datetime,
    conn: AsyncConnection = Depends(get_db_connection)
):
    return await ScadaRepository.get_data_by_time(conn, device_id, start_time, end_time)