from dataclasses import dataclass

from models.Habit import Habit
from models.User import User
from db.SQLiteClient import (create_habitList, get_habitList, get_habits, get_users, add_user, remove_user,
                             update_habitList, delete_habitList)


@dataclass
class HabitList:
    id: int
    name: str
    description: str
    habits: list = None     #? unclear usage

    @staticmethod
    def create(user_id: int, name: str, description: str):
        id = create_habitList(user_id, name, description)
        return HabitList(id, name, description)

    @staticmethod
    def get(id: int):
        habitList = get_habitList(id)
        return HabitList(habitList[0], habitList[1], habitList[2]) if habitList else None


    # Updates: name, description
    def update(self):
        update_habitList(self.id, self.name, self.description)


    # Deletes the HabitList | The id of the current user is necessary
    def delete(self, user_id):
        if len(get_users(self.id)) > 1:
            self.remove_user(user_id)
        else:
            delete_habitList(self.id)


    # Returns the Habits connected with the HabitList
    def get_habits(self) -> list:
        raw_habits = get_habits(self.id)
        habits = []
        for habit in raw_habits:
            habit = Habit(habit[0], habit[1], habit[2], habit[3], habit[4], habit[5], habit[6], habit[7], habit[8], habit[9])
            habits.append(habit)

        return habits


    # Returns the Users connected with the HabitList
    def get_users(self) -> list:
        raw_users = get_users(self.id)
        users = []
        for user in raw_users:
            user = User(user[0], user[1], user[2], user[3], user[4])
            users.append(user)

        return users


    # Adds a User by email to the HabitList
    def add_user(self, user: User):
        if user:
            add_user(self.id, user.id)
        else:
            return None


    # Removes a User from the HabitList
    def remove_user(self, user_id):
        remove_user(self.id, user_id)