from datetime import date

import pytest
from django.urls import reverse

from apps.competitions.models import Competition, Season
from apps.players.models import Nationality, Player, PlayerCareerEntry, Position, Role
from apps.players.services.origin import refresh_player_origin, refresh_player_origins
from apps.teams.models import Team


@pytest.mark.django_db
def test_origin_derivation_uses_earliest_meaningful_career_entry():
    nationality = Nationality.objects.create(name="Italy", iso2_code="IT", iso3_code="ITA")
    position = Position.objects.create(code="PG", name="Point Guard")
    role = Role.objects.create(code="playmaker", name="Playmaker")

    player = Player.objects.create(
        first_name="Marco",
        last_name="Rossi",
        full_name="Marco Rossi",
        birth_date=date(2000, 1, 1),
        nationality=nationality,
        nominal_position=position,
        inferred_role=role,
    )

    comp_early = Competition.objects.create(
        name="Lega 2",
        slug="lega-2",
        competition_type=Competition.CompetitionType.LEAGUE,
        gender=Competition.Gender.MEN,
    )
    comp_late = Competition.objects.create(
        name="Lega 1",
        slug="lega-1",
        competition_type=Competition.CompetitionType.LEAGUE,
        gender=Competition.Gender.MEN,
    )
    team_early = Team.objects.create(name="Bologna B", slug="bologna-b", country=nationality)
    team_late = Team.objects.create(name="Bologna A", slug="bologna-a", country=nationality)

    season_early = Season.objects.create(label="2017-2018", start_date=date(2017, 9, 1), end_date=date(2018, 6, 30))
    season_late = Season.objects.create(label="2019-2020", start_date=date(2019, 9, 1), end_date=date(2020, 6, 30))

    PlayerCareerEntry.objects.create(
        player=player,
        team=team_late,
        competition=comp_late,
        season=season_late,
        start_date=date(2019, 9, 15),
    )
    PlayerCareerEntry.objects.create(
        player=player,
        team=team_early,
        competition=comp_early,
        season=season_early,
        start_date=date(2017, 9, 15),
    )

    changed = refresh_player_origin(player)

    assert changed is True
    player.refresh_from_db()
    assert player.origin_competition == comp_early
    assert player.origin_team == team_early


@pytest.mark.django_db
def test_origin_unknown_when_no_meaningful_career_entries():
    nationality = Nationality.objects.create(name="Spain", iso2_code="ES", iso3_code="ESP")
    position = Position.objects.create(code="SF", name="Small Forward")
    role = Role.objects.create(code="wing", name="Wing")

    player = Player.objects.create(
        first_name="Juan",
        last_name="Perez",
        full_name="Juan Perez",
        birth_date=date(2001, 5, 1),
        nationality=nationality,
        nominal_position=position,
        inferred_role=role,
    )

    changed = refresh_player_origin(player)

    assert changed is False
    player.refresh_from_db()
    assert player.origin_competition is None
    assert player.origin_team is None


@pytest.mark.django_db
def test_player_search_filters_by_origin_competition(client):
    nationality = Nationality.objects.create(name="France", iso2_code="FR", iso3_code="FRA")
    position = Position.objects.create(code="SG", name="Shooting Guard")
    role = Role.objects.create(code="scorer", name="Scorer")

    origin_a = Competition.objects.create(
        name="LNB Pro A",
        slug="lnb-pro-a-origin",
        competition_type=Competition.CompetitionType.LEAGUE,
        gender=Competition.Gender.MEN,
    )
    origin_b = Competition.objects.create(
        name="LNB Pro B",
        slug="lnb-pro-b-origin",
        competition_type=Competition.CompetitionType.LEAGUE,
        gender=Competition.Gender.MEN,
    )

    p1 = Player.objects.create(
        first_name="A",
        last_name="One",
        full_name="A One",
        birth_date=date(2000, 1, 1),
        nationality=nationality,
        nominal_position=position,
        inferred_role=role,
        origin_competition=origin_a,
    )
    Player.objects.create(
        first_name="B",
        last_name="Two",
        full_name="B Two",
        birth_date=date(2000, 1, 1),
        nationality=nationality,
        nominal_position=position,
        inferred_role=role,
        origin_competition=origin_b,
    )

    response = client.get(reverse("players:index"), data={"origin_competition": origin_a.id})

    assert response.status_code == 200
    players = list(response.context["players"])
    assert len(players) == 1
    assert players[0].id == p1.id


@pytest.mark.django_db
def test_backfill_refresh_player_origins_updates_existing_players():
    nationality = Nationality.objects.create(name="Germany", iso2_code="DE", iso3_code="DEU")
    position = Position.objects.create(code="PF", name="Power Forward")
    role = Role.objects.create(code="big", name="Big")
    competition = Competition.objects.create(
        name="BBL",
        slug="bbl-origin",
        competition_type=Competition.CompetitionType.LEAGUE,
        gender=Competition.Gender.MEN,
    )
    team = Team.objects.create(name="Berlin", slug="berlin-origin", country=nationality)
    season = Season.objects.create(label="2018-2019", start_date=date(2018, 9, 1), end_date=date(2019, 6, 30))

    p1 = Player.objects.create(
        first_name="F1",
        last_name="L1",
        full_name="Player One",
        birth_date=date(1999, 1, 1),
        nationality=nationality,
        nominal_position=position,
        inferred_role=role,
    )
    p2 = Player.objects.create(
        first_name="F2",
        last_name="L2",
        full_name="Player Two",
        birth_date=date(1998, 1, 1),
        nationality=nationality,
        nominal_position=position,
        inferred_role=role,
    )

    PlayerCareerEntry.objects.create(
        player=p1,
        team=team,
        competition=competition,
        season=season,
        start_date=date(2018, 9, 10),
    )

    updated = refresh_player_origins(Player.objects.filter(id__in=[p1.id, p2.id]))

    assert updated == 1
    p1.refresh_from_db()
    p2.refresh_from_db()
    assert p1.origin_competition == competition
    assert p1.origin_team == team
    assert p2.origin_competition is None
    assert p2.origin_team is None