import uuid
from typing import Optional, List

from fastapi import APIRouter, HTTPException, status, Depends, Security
from sqlalchemy.exc import SQLAlchemyError
from sqlalchemy.orm import Session

from ..models import Overview
from ..schemas.auth import UserToken
import barker.schemas.master as schemas
from ..core.security import get_current_active_user as get_user
from ..db.session import SessionLocal
from ..models.master import FoodTable

router = APIRouter()


# Dependency
def get_db():
    try:
        db = SessionLocal()
        yield db
    finally:
        db.close()


@router.post("/list", response_model=List[schemas.Table])
def sort_order(
    data: List[schemas.Table], db: Session = Depends(get_db),
    user: UserToken = Security(get_user, scopes=["tables"]),
):
    try:
        for index, item in enumerate(data):
            db.query(FoodTable).filter(FoodTable.id == item.id_).update(
                {FoodTable.sort_order: index}
            )
        db.commit()
        return [
            {
                "id": item.id,
                "name": item.name,
                "seats": item.seats,
                "section": {"id": item.section_id, "name": item.section.name},
                "isActive": item.is_active,
                "sortOrder": item.sort_order,
            }
            for item in db.query(FoodTable).order_by(FoodTable.sort_order).all()
        ]
    except SQLAlchemyError as e:
        db.rollback()
        raise HTTPException(
            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR, detail=str(e),
        )
    except Exception:
        db.rollback()
        raise


@router.post("", response_model=schemas.Table)
def save(
    data: schemas.TableIn, db: Session = Depends(get_db), user: UserToken = Security(get_user, scopes=["tables"]),
):
    try:
        item = FoodTable(name=data.name, seats=data.seats, section_id=data.section.id_, is_active=data.is_active)
        db.add(item)
        db.commit()
        return food_table_info(item)
    except SQLAlchemyError as e:
        db.rollback()
        raise HTTPException(
            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR, detail=str(e),
        )
    except Exception:
        db.rollback()
        raise


@router.put("/{id_}", response_model=schemas.Table)
def update(
    id_: uuid.UUID,
    data: schemas.TableIn,
    db: Session = Depends(get_db),
    user: UserToken = Security(get_user, scopes=["tables"]),
):
    try:
        item: FoodTable = db.query(FoodTable).filter(FoodTable.id == id_).first()
        item.name = data.name
        item.seats = data.seats
        item.section_id = data.section.id_
        item.is_active = data.is_active
        db.commit()
        return food_table_info(item)
    except SQLAlchemyError as e:
        db.rollback()
        raise HTTPException(
            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR, detail=str(e),
        )
    except Exception:
        db.rollback()
        raise


@router.delete("/{id_}")
def delete(
    id_: uuid.UUID, db: Session = Depends(get_db), user: UserToken = Security(get_user, scopes=["tables"]),
):
    try:
        item: FoodTable = db.query(FoodTable).filter(FoodTable.id == id_).first()
        db.delete(item)
        db.commit()
        return food_table_info(item)
    except SQLAlchemyError as e:
        db.rollback()
        raise HTTPException(
            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR, detail=str(e),
        )
    except Exception:
        db.rollback()
        raise


@router.get("")
def show_blank(
    db: Session = Depends(get_db), user: UserToken = Security(get_user, scopes=["tables"]),
):
    return food_table_info(None)


@router.get("/list")
def show_list(db: Session = Depends(get_db), user: UserToken = Depends(get_user)):
    return [
        {
            "id": item.id,
            "name": item.name,
            "seats": item.seats,
            "section": {"id": item.section_id, "name": item.section.name},
            "isActive": item.is_active,
            "sortOrder": item.sort_order,
        }
        for item in db.query(FoodTable).order_by(FoodTable.sort_order).all()
    ]


@router.get("/running")
def show_running(db: Session = Depends(get_db), user: UserToken = Depends(get_user)):
    list_ = db.query(FoodTable).filter(FoodTable.is_active == True).order_by(FoodTable.sort_order).all()

    food_tables = []
    for item in list_:
        ft = {
            "id": item.id,
            "name": item.name,
            "seats": item.seats,
            "section": {"id": item.section_id, "name": item.section.name},
            "isActive": item.is_active,
            "sortOrder": item.sort_order,
        }
        if item.status is not None:
            ft["status"] = item.status.status
            ft["voucherId"] = item.status.voucher_id
            ft["pax"] = item.status.voucher.pax
            ft["date"] = item.status.voucher.date.strftime("%d-%b-%Y %H:%M")
            ft["amount"] = item.status.voucher.amount
            if item.status.guest is not None:
                ft["guest"] = item.status.guest.customer.name
        food_tables.append(ft)
    return food_tables


@router.get("/from-voucher/{id_}")
def show_voucher(
    id_: uuid.UUID, db: Session = Depends(get_db), user: UserToken = Security(get_user),
):
    overview: Overview = db.query(Overview).filter(Overview.voucher_id == id_).first()
    if overview is not None:
        return food_table_info(overview.food_table)
    return food_table_info(None)


@router.get("/{id_}")
def show_id(
    id_: uuid.UUID, db: Session = Depends(get_db), user: UserToken = Security(get_user, scopes=["tables"]),
):
    item: FoodTable = db.query(FoodTable).filter(FoodTable.id == id_).first()
    return food_table_info(item)


def food_table_info(item: Optional[FoodTable]):
    if item is None:
        return {"name": "", "seats": 0, "section": {}, "isActive": True, "sortOrder": 0}
    return {
        "id": item.id,
        "name": item.name,
        "seats": item.seats,
        "section": {"id": item.section_id, "name": item.section.name},
        "isActive": item.is_active,
        "status": "" if item.status is None else item.status.status,
        "sortOrder": item.sort_order,
        "voucherId": None if item.status is None else item.status.voucher_id,
    }