from typing import List, Optional
from uuid import UUID

import httpx
from fastapi import HTTPException, status
from sqlalchemy import Delete, Select, func
from sqlalchemy.orm import selectinload

from src.auth.service import CurrentUser
from src.config import AEROS_BASE_URL, DEFAULT_PROJECT_NAME
from src.database.core import DbSession
from src.database.service import search_filter_sort_paginate

from .model import AerosEquipment, AerosEquipmentDetail, MasterEquipment
from .schema import EquipmentConfiguration

client = httpx.AsyncClient(timeout=300.0)


async def get_all(*, common):
    """Returns all documents."""
    query = Select(AerosEquipment).options(
        selectinload(AerosEquipment.master_equipment)
    )
    results = await search_filter_sort_paginate(model=query, **common)
    reg_nodes = [node.node_name for node in results["items"]]
    equipment_data = {
        node.node_name: node for node in results["items"]
    }

    updateNodeReq = {"projectName": DEFAULT_PROJECT_NAME, "equipmentNames": reg_nodes}

    try:
        response = await client.post(
            f"{AEROS_BASE_URL}/api/UpdateDisParams/GetUpdatedNodeDistributions",
            json=updateNodeReq,
            headers={"Content-Type": "application/json"},
        )
        response.raise_for_status()

        res = response.json()

    except Exception as e:
        raise HTTPException(
            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR, detail=str(e)
        )

    results["items"] = [
        {"AerosData": data, "MasterData": equipment_data.get(data["equipmentName"]) } for data in res
    ]

    return results

async def get_equipment_by_location_tag(*, db_session: DbSession, location_tag: str):
    query = (
        Select(AerosEquipment)
        .where(AerosEquipment.location_tag == location_tag)
        .options(selectinload(AerosEquipment.aeros_equipment_details))
    )



async def get_by_id(*, db_session: DbSession, id: UUID):
    query = (
        Select(AerosEquipment)
        .where(AerosEquipment.id == id)
        .options(selectinload(AerosEquipment.aeros_equipment_details))
    )
    result = await db_session.execute(query)
    aerosEquipmentResult = result.scalar()

    if not aerosEquipmentResult:
        raise HTTPException(
            status_code=status.HTTP_404_NOT_FOUND, detail="AerosEquipment not found"
        )

    aerosNodeReq = {
        "projectName": "ParallelNode",
        "equipmentName": [aerosEquipmentResult.node_name],
    }

    try:
        response = await client.post(
            f"{AEROS_BASE_URL}/api/UpdateDisParams/GetUpdatedNodeDistributions",
            json=aerosNodeReq,
            headers={"Content-Type": "application/json"},
        )
        response.raise_for_status()
        aerosEquipmentData = response.json()

    except Exception as e:
        raise HTTPException(
            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR, detail=str(e)
        )

    return aerosEquipmentResult, aerosEquipmentData


async def update_node(
    *, db_session: DbSession, equipment_nodes: List[EquipmentConfiguration]
):
    updateNodeReq = {"projectName": "ParallelNode", "regNodeInputs": equipment_nodes}

    try:
        response = await client.post(
            f"{AEROS_BASE_URL}/api/UpdateDisParams/UpdateEquipmentDistributions",
            json=updateNodeReq,
            headers={"Content-Type": "application/json"},
        )
        response.raise_for_status()

        result = response.json()

        return result

    except Exception as e:
        raise HTTPException(
            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR, detail=str(e)
        )


async def save_default_equipment(*, db_session: DbSession, project_name: str):
    equipmments = Select(MasterEquipment).where(
        MasterEquipment.location_tag.isnot(None)
    )
    equipment_nodes = await db_session.execute(equipmments)

    reg_nodes = [node.location_tag for node in equipment_nodes.scalars().all()]

    updateNodeReq = {"projectName": project_name, "equipmentNames": reg_nodes}

    # Delete old data
    query = Delete(AerosEquipment)
    await db_session.execute(query)

    try:
        response = await client.post(
            f"{AEROS_BASE_URL}/api/UpdateDisParams/GetUpdatedNodeDistributions",
            json=updateNodeReq,
            headers={"Content-Type": "application/json"},
        )
        response.raise_for_status()

        results = response.json()

        nodes = []

        # save to db
        for equipment in results:
            node = AerosEquipment(
                node_name=equipment["equipmentName"],
                location_tag=equipment["equipmentName"],
            )

            nodes.append(node)

        db_session.add_all(nodes)
        await db_session.commit()

        return results
    except Exception as e:
        raise HTTPException(
            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR, detail=str(e)
        )