from mtga_assistant.history import GameSummary
from mtga_assistant.history_stats import WEEK_MS, Filter, apply_filters, compute_stats

NOW = 1_800_000_000_000
DAY = 24 * 3600 * 1000


def game(n: int, result: str, *, deck="Deck A", on_play="me", days_ago=0, turns=8, length_s=300,
         event="Ladder", best_of=1, game_number=1) -> GameSummary:
    start = NOW - days_ago * DAY - n * 1000
    return GameSummary(match_id=f"m{n}", game_number=game_number, started_ms=start, ended_ms=start + length_s * 1000,
                       event_id=event, opponent=f"opp{n}", deck_name=deck, on_play=on_play, result=result,
                       my_colors="UB", opp_colors="R", turns=turns, best_of=best_of)


def test_filters_only_and_hide_combine():
    games = [game(1, "Won", deck="A"), game(2, "Lost", deck="B"), game(3, "Won", deck="A", on_play="opp")]
    assert [g.match_id for g in apply_filters(games, [Filter("deck", "A")])] == ["m1", "m3"]
    assert [g.match_id for g in apply_filters(games, [Filter("deck", "A"), Filter("on_play", "opp")])] == ["m3"]
    assert [g.match_id for g in apply_filters(games, [Filter("deck", "A", exclude=True)])] == ["m2"]


def test_filter_labels_are_readable():
    assert Filter("on_play", "opp").label == "On the play = you on the draw"
    assert Filter("event", "Play_Brawl_Historic", exclude=True).label == "Event ≠ Play Brawl Historic"
    assert Filter("game", "Bo1").label == "Game = Bo1"


def test_stats_windows_and_averages():
    # 12 recent games (newest first: n=0 is newest): W W L W W L W W L W | L L
    results = ["Won", "Won", "Lost", "Won", "Won", "Lost", "Won", "Won", "Lost", "Won", "Lost", "Lost"]
    games = [game(n, r, days_ago=0 if n < 6 else 10, turns=6 + n % 3, length_s=240 + 60 * (n % 2),
                  on_play="me" if n % 2 == 0 else "opp")
             for n, r in enumerate(results)]
    games.append(game(99, "", days_ago=1))  # no result: counted as a game, not in win rates
    s = compute_stats(games, NOW)
    assert s.games == 13
    assert (s.overall.wins, s.overall.losses) == (7, 5)
    assert (s.last_10.wins, s.last_10.losses) == (7, 3)
    assert s.last_10.rate == 0.7
    assert s.last_100.games == 12
    assert s.week_games == 7 and (s.week.wins, s.week.losses) == (4, 2)
    assert (s.on_play.wins, s.on_play.losses) == (3, 3)
    assert (s.on_draw.wins, s.on_draw.losses) == (4, 2)
    assert s.avg_turns is not None and 6 <= s.avg_turns <= 8
    assert s.avg_length_s is not None and 240 <= s.avg_length_s <= 300


def test_stats_follow_filters():
    games = [game(1, "Won", deck="A"), game(2, "Lost", deck="A"), game(3, "Lost", deck="B"), game(4, "Lost", deck="B")]
    assert compute_stats(apply_filters(games, [Filter("deck", "A")]), NOW).overall.rate == 0.5
    assert compute_stats(apply_filters(games, [Filter("deck", "B")]), NOW).overall.rate == 0.0


def test_empty_history():
    s = compute_stats([], NOW)
    assert s.games == 0 and s.overall.rate is None and s.avg_length_s is None and s.week_games == 0
    assert WEEK_MS == 7 * DAY