from typing import Optional

from sqlalchemy import Delete, Select

from src.auth.service import CurrentUser
from src.database.core import DbSession
from src.overhaul_scope.model import OverhaulScope
from src.overhaul_scope.service import get_all as get_all_session
from src.overhaul_scope.service import get_overview_overhaul


async def get_overhaul_overview(db_session: DbSession):
    """Get all overhaul overview."""
    results = await get_overview_overhaul(db_session=db_session)

    return results


def get_overhaul_critical_parts():
    """Get all overhaul critical parts."""
    return [
        "Boiler feed pump",
        "Boiler reheater system",
        "Drum Level (Right) Root Valve A",
        "BCP A Discharge Valve",
        "BFPT A EXH Press HI Root VLV",
    ]


async def get_overhaul_schedules(*, db_session: DbSession):
    """Get all overhaul schedules."""
    query = Select(OverhaulScope)

    results = await db_session.execute(query)

    return results.scalars().all()


def get_overhaul_system_components():
    """Get all overhaul system components with dummy data."""
    
    powerplant_reliability = {
        "Plant Control": 98,
        "SPS": 98,
        "Turbine": 98,
        "Generator": 98,
        "Condensate Water": 98,
        "Feedwater System": 98,
        "Cooling Water": 98,
        "SCR": 98,
        "Ash Handling": 98,
        "Air Flue Gas": 98,
        "Boiler": 98,
        "SAC-IAC": 98,
        "KLH": 98,
        "CL": 98,
        "Desalination": 98,
        "FGD": 98,
        "CHS": 98,
        "SSB": 98,
        "WTP": 98,
    }

    return powerplant_reliability

    return {
        "HPT": {
            "efficiency": "92%",
            "work_hours": "1200",
            "reliability": "96%",
        },
        "IPT": {
            "efficiency": "91%",
            "work_hours": "1100",
            "reliability": "95%",
        },
        "LPT": {
            "efficiency": "90%",
            "work_hours": "1000",
            "reliability": "94%",
        },
        "EG": {
            "efficiency": "88%",
            "work_hours": "950",
            "reliability": "93%",
        },
        "boiler": {
            "efficiency": "90%",
            "work_hours": "1000",
            "reliability": "95%",
        },
        "HPH1": {
            "efficiency": "89%",
            "work_hours": "1050",
            "reliability": "94%",
        },
        "HPH2": {
            "efficiency": "88%",
            "work_hours": "1020",
            "reliability": "93%",
        },
        "HPH3": {
            "efficiency": "87%",
            "work_hours": "1010",
            "reliability": "92%",
        },
        "HPH5": {
            "efficiency": "86%",
            "work_hours": "980",
            "reliability": "91%",
        },
        "HPH6": {
            "efficiency": "85%",
            "work_hours": "970",
            "reliability": "90%",
        },
        "HPH7": {
            "efficiency": "84%",
            "work_hours": "960",
            "reliability": "89%",
        },
        "Condensor": {
            "efficiency": "83%",
            "work_hours": "940",
            "reliability": "88%",
        },
        "Deaerator": {
            "efficiency": "82%",
            "work_hours": "930",
            "reliability": "87%",
        },
    }





# async def get(*, db_session: DbSession, scope_id: str) -> Optional[Scope]:
#     """Returns a document based on the given document id."""
#     query = Select(Scope).filter(Scope.id == scope_id)
#     result = await db_session.execute(query)
#     return result.scalars().one_or_none()


# async def get_all(*, db_session: DbSession):
#     """Returns all documents."""
#     query = Select(Scope)
#     result = await db_session.execute(query)
#     return result.scalars().all()


# async def create(*, db_session: DbSession, scope_id: ScopeCreate):
#     """Creates a new document."""
#     scope = Scope(**scope_id.model_dump())
#     db_session.add(scope)
#     await db_session.commit()
#     return scope


# async def update(*, db_session: DbSession, scope: Scope, scope_id: ScopeUpdate):
#     """Updates a document."""
#     data = scope_id.model_dump()

#     update_data = scope_id.model_dump(exclude_defaults=True)

#     for field in data:
#         if field in update_data:
#             setattr(scope, field, update_data[field])

#     await db_session.commit()

#     return scope


# async def delete(*, db_session: DbSession, scope_id: str):
#     """Deletes a document."""
#     query = Delete(Scope).where(Scope.id == scope_id)
#     await db_session.execute(query)
#     await db_session.commit()