"""Tests for `app.core.time_utils`."""

from __future__ import annotations

import pytest

from app.core.time_utils import GameTime, advance_time, parse_delta, time_le


def test_parse_basic_time():
    gt = GameTime.parse("day_1_hour_8")
    assert gt.year == 1 and gt.day == 1 and gt.hour == 8 and gt.minute == 0


def test_parse_with_minutes_and_year():
    gt = GameTime.parse("year_3_day_5_hour_14_min_30")
    assert (gt.year, gt.day, gt.hour, gt.minute) == (3, 5, 14, 30)


def test_parse_round_trip():
    s = "year_2_day_10_hour_18_min_45"
    gt = GameTime.parse(s)
    assert gt.to_string() == s


def test_parse_invalid_raises():
    with pytest.raises(ValueError):
        GameTime.parse("invalid")
    with pytest.raises(ValueError):
        GameTime.parse("day_0_hour_8")  # day must be >= 1


def test_parse_delta_basic():
    assert parse_delta("hours_2_min_30") == (0, 0, 2, 30)
    assert parse_delta("days_1") == (0, 1, 0, 0)
    assert parse_delta("min_15") == (0, 0, 0, 15)
    assert parse_delta("year_2_days_3_hours_4_min_5") == (2, 3, 4, 5)


def test_advance_time_simple():
    assert advance_time("day_1_hour_8", "hours_2") == "day_1_hour_10"
    assert advance_time("day_1_hour_8", "min_30") == "day_1_hour_8_min_30"
    assert advance_time("day_1_hour_23", "hours_2") == "day_2_hour_1"
    assert advance_time("day_1_hour_8", "days_3_hours_4") == "day_4_hour_12"


def test_advance_time_with_year():
    # 365 days in a year, so adding 365 days = next year
    s = advance_time("day_1_hour_0", "days_365")
    gt = GameTime.parse(s)
    assert gt.year == 2


def test_time_le():
    assert time_le("day_1_hour_8", "day_1_hour_9") is True
    assert time_le("day_1_hour_9", "day_1_hour_8") is False
    assert time_le("day_1_hour_8", "day_1_hour_8") is True
    assert time_le("year_1_day_5_hour_12", "year_2_day_1_hour_0") is True