import random

from src.sim.simulator import Simulator
from src.classes.avatar import Avatar, Gender
from src.classes.calendar import Month, Year, MonthStamp, create_month_stamp
from src.classes.world import World
from src.classes.tile import Map, TileType
from src.classes.action import Move
from src.utils.names import get_random_name


def test_simulator_step_moves_avatar_and_sets_tile():
    # 固定随机种子，确保决定的移动是可预测的
    random.seed(0)

    # 构建 3x3 地图并填充地块
    game_map = Map(width=3, height=3)
    for x in range(3):
        for y in range(3):
            game_map.create_tile(x, y, TileType.PLAIN)

    world = World(map=game_map, month_stamp=create_month_stamp(Year(1), Month.JANUARY))

    # 将角色放在地图中心，避免越界
    avatar = Avatar(
        world=world,
        name=get_random_name(Gender.MALE),
        id="1",
        birth_month_stamp=create_month_stamp(Year(2000), Month.JANUARY),
        age=20,
        gender=Gender.MALE,
        pos_x=1,
        pos_y=1,
    )


    sim = Simulator(world)
    sim.avatars["1"] = avatar

    # 执行一步模拟
    sim.step()

    # 断言位置在边界内
    assert 0 <= avatar.pos_x < game_map.width
    assert 0 <= avatar.pos_y < game_map.height

    # 断言 tile 已正确设置且与位置一致
    assert avatar.tile is not None
    assert avatar.tile.x == avatar.pos_x
    assert avatar.tile.y == avatar.pos_y