from .database import DatabaseController
from models.users.user import User
from models.users.customer import Customer
from models.users.seller import Seller
from models.users.admin import Admin


class UserController(DatabaseController):
    FIELDS = ['id', 'username', 'password', 'firstName',
              'lastName', 'email', 'phone', 'role']
    TYPE = User

    def __init__(self):
        super().__init__()

    def convert_type(self, user: User | None
                     ) -> User | Customer | Seller | Admin | None:
        """ Function to convert a given user to their correct subtype """
        if user is None:
            return None

        # Set the object to the correct type
        type = Customer
        if user.role == "Seller":
            type = Seller
        if user.role == "Admin":
            type = Admin

        obj = self.new_instance(type, user.__dict__)
        return obj

    def create(self, user: User):
        params = [
            user.username,
            user.password,
            user.firstName,
            user.lastName,
            user.email,
            user.phone,
            user.role
        ]
        query = """
            INSERT INTO Users
            (username, password, first_name, last_name, email, phone, role)
            VALUES (?, ?, ?, ?, ?, ?, ?)
        """

        self.do(query, params)

    def read(self, username: str) -> User | None:
        params = [
            username
        ]
        query = "SELECT * FROM Users WHERE Username = ?"

        return self.convert_type(self.get_one(query, params))

    def read_id(self, id: int) -> User | None:
        params = [
            id
        ]
        query = "SELECT * FROM Users WHERE id = ?"

        return self.convert_type(self.get_one(query, params))

    def read_all(self, username: str = "") -> list[User] | None:
        params = [
            "%" + username + "%"
        ]
        query = """ SELECT * FROM Users WHERE Username like ? """

        return self.get_many(query, params)

    def update(self, user: User):
        params = [
            user.username,
            user.firstName,
            user.lastName,
            user.email,
            user.phone,
            user.role,
            user.id
        ]

        query = """
            UPDATE Users
            SET username = ?,
                first_name = ?,
                last_name = ?,
                email = ?,
                phone = ?,
                role = ?
            WHERE id = ?
        """

        return self.do(query, params)

    def delete(self, id: int):
        params = [
            id
        ]
        query = """ DELETE FROM Users WHERE id = ? """

        return self.do(query, params)