from ..objects.pokemon import Pokemon
from ..core.location import Location
from thefuzz.fuzz import partial_ratio
from sqlalchemy.orm import Session
from sqlalchemy.engine import Engine
from typing import List
from sqlalchemy import desc
from datetime import datetime, timedelta

class PokemonList():
    def __init__(self, engine: Engine):
        self.pokemons = None
        self.engine = engine
        self.timedelta = timedelta(minutes=2)
    
    def sort_by_name(self, reverse=False):
        with Session(self.engine) as session:
            if reverse:
                result = session.query(Pokemon).where(Pokemon.end_time > datetime.now() + self.timedelta)\
                        .order_by(desc(Pokemon.name))
            else:
                result = session.query(Pokemon).where(Pokemon.end_time > datetime.now() + self.timedelta)\
                        .order_by(Pokemon.name)
            session.commit()
        return result.all()

    def sort_by_cp(self, reverse=False):
        self.pokemons.sort(key=lambda pokemon: pokemon.cp, reverse=reverse)

    def sort_by_level(self, reverse=False):
        self.pokemons.sort(key=lambda pokemon: pokemon.level, reverse=reverse)

    def sort_by_distance(self, location: Location, reverse=False):
        self.pokemons.sort(key=lambda pokemon: location.distance(pokemon.location), reverse=False)

    def get_at(self, index:int):
        return self.pokemons[index]

    def search_by_name(self, query:str):
        return PokemonList(*filter(lambda pokemon: partial_ratio(query.lower(), pokemon.name) >= 80, self.pokemons))

    def insert_to_database(self, pokemons: List[Pokemon]):
        with Session(self.engine) as session:
            session.add_all(pokemons)
            session.commit()