# Creating a new user in the database
from sqlalchemy.orm import Session

from schemas.user import UserCreate, DriverCreate
from db.models.user import User
from core.hashing import Hasher
from db.models.drivetask import DriveTask


def create_new_user(user: UserCreate, db: Session):
    user_object = User(
        Email=user.Email,
        Name=user.Name,
        MiddleName=user.MiddleName,
        LastName=user.LastName,
        GovernmentId=user.GovernmentId,
        Address=user.Address,
        ContactNumber=user.ContactNumber,
        Role=user.Role,
        HashedPassword=Hasher.get_password_hash(user.Password),
    )
    db.add(user_object)
    db.commit()
    db.refresh(user_object)
    return user_object


def create_new_driver(driver: DriverCreate, db: Session):
    driver_object = User(
        Email=driver.Email,
        Name=driver.Name,
        MiddleName=driver.MiddleName,
        LastName=driver.LastName,
        GovernmentId=driver.GovernmentId,
        Address=driver.Address,
        ContactNumber=driver.ContactNumber,
        Role="Driver",
        HashedPassword=Hasher.get_password_hash(driver.Password),
        DrivingLicenseNumber=driver.DrivingLicenseNumber,
    )
    db.add(driver_object)
    db.commit()
    db.refresh(driver_object)
    return driver_object


def get_user_by_id(user_id: int, role: str, db: Session):
    user = db.query(User).filter(User.Id == user_id).first()
    if not user:
        return False
    if user.Role != role and role != "Any":
        return False
    return user


def get_user_by_email(email: str, db: Session):
    user = db.query(User).filter(User.Email == email).first()
    return user


def get_user_by_phone(phone: str, db: Session):
    user = db.query(User).filter(User.ContactNumber == phone).first()
    return user


def verify_driver_exists(driver_id: int, db: Session):
    driver = db.query(User).filter(User.Id == driver_id).first()
    if not driver:
        return False
    if driver.Role != "Driver":
        return False
    return True


def get_car_driver(vehicle_id: int, db: Session):
    driver = db.query(User).filter(User.AssignedVehicle == vehicle_id).first()
    if not driver:
        return False
    return driver


def list_users(db: Session, role: str = "Any"):
    users = db.query(User).filter((User.Role == role) | (role == "Any")).all()
    return users


def replace_user_data(user_id: int, user_data: UserCreate, db: Session):
    user = db.query(User).filter(User.Id == user_id).first()
    if not user:
        return "userNotFound"
    user.Email = user_data.Email
    user.Name = user_data.Name
    user.MiddleName = user_data.MiddleName
    user.LastName = user_data.LastName
    user.GovernmentId = user_data.GovernmentId
    user.Address = user_data.Address
    user.ContactNumber = user_data.ContactNumber
    user.Role = user_data.Role
    user.HashedPassword = Hasher.get_password_hash(user_data.Password)
    db.commit()
    db.refresh(user)
    return user


def delete_user_data(id: int, db: Session):
    user = db.query(User).filter(User.Id == id).first()
    if not user:
        return "userNotFound"
    drivetasks = db.query(DriveTask).filter(DriveTask.DriverId == id).all()
    for task in drivetasks:  # delete all tasks assigned to this user
        db.delete(task)
    db.delete(user)
    db.commit()
    return "userDeleted"