from datetime import date

import pytest

from fan_passport.competition_registry import (
    CompetitionDefinition,
    CompetitionRegistry,
    CompetitionType,
    ContentNamespace,
    LeaderboardScope,
    RegistryError,
    SeasonWindow,
    build_default_registry,
)


def test_default_registry_contains_world_cup_namespace_and_future_passports() -> None:
    registry = build_default_registry()

    assert "world-cup:2026" in registry.namespaces()
    assert "premier-league:2026-27" in registry.namespaces()
    assert "champions-league:2026-27" in registry.namespaces()

    world_cup = registry.get("world-cup", "2026")
    assert world_cup.content_key("challenge", "watch-england") == "world-cup:2026:challenge:watch-england"
    assert (
        world_cup.leaderboard_key(LeaderboardScope.GLOBAL)
        == "leaderboard:world-cup:2026:global:overall"
    )


def test_active_on_returns_competitions_inside_window() -> None:
    registry = build_default_registry()

    active = registry.active_on(date(2026, 6, 20))

    assert [competition.registry_key for competition in active] == ["world-cup:2026"]


def test_registry_rejects_duplicate_competition_season() -> None:
    competition = CompetitionDefinition(
        slug="test-cup",
        name="Test Cup",
        competition_type=CompetitionType.CLUB_CUP,
        season_label="2026",
        governing_body="Test",
        region="Global",
        window=SeasonWindow(date(2026, 1, 1), date(2026, 1, 31)),
    )

    with pytest.raises(RegistryError, match="duplicate"):
        CompetitionRegistry([competition, competition])


def test_namespace_parse_and_lookup_are_stable() -> None:
    namespace = ContentNamespace.parse("world-cup:2026")
    registry = build_default_registry()

    assert namespace.value == "world-cup:2026"
    assert registry.get_namespace(namespace).name == "FIFA World Cup"
    assert registry.get_namespace("world-cup:2026").season_label == "2026"


def test_get_requires_season_when_multiple_seasons_exist() -> None:
    registry = CompetitionRegistry(
        [
            CompetitionDefinition(
                slug="sample-league",
                name="Sample League 2026",
                competition_type=CompetitionType.CLUB_LEAGUE,
                season_label="2026",
                governing_body="Sample",
                region="Earth",
                window=SeasonWindow(date(2026, 1, 1), date(2026, 12, 31)),
            ),
            CompetitionDefinition(
                slug="sample-league",
                name="Sample League 2027",
                competition_type=CompetitionType.CLUB_LEAGUE,
                season_label="2027",
                governing_body="Sample",
                region="Earth",
                window=SeasonWindow(date(2027, 1, 1), date(2027, 12, 31)),
            ),
        ]
    )

    with pytest.raises(RegistryError, match="multiple seasons"):
        registry.get("sample-league")