"""板子（角色配置）预设与校验。"""
from __future__ import annotations

from dataclasses import dataclass, field

from .roles import Role


@dataclass(frozen=True)
class Board:
    key: str
    name: str
    roles: list[Role] = field(default_factory=list)

    @property
    def seat_count(self) -> int:
        return len(self.roles)


BOARDS: dict[str, Board] = {
    "classic12": Board(
        "classic12", "经典12人局（4狼 4民 预女猎守）",
        [Role.WEREWOLF] * 4 + [Role.VILLAGER] * 4
        + [Role.SEER, Role.WITCH, Role.HUNTER, Role.GUARD],
    ),
    "standard10": Board(
        "standard10", "标准10人局（3狼 3民 预女猎守）",
        [Role.WEREWOLF] * 3 + [Role.VILLAGER] * 3
        + [Role.SEER, Role.WITCH, Role.HUNTER, Role.GUARD],
    ),
    "quick9": Board(
        "quick9", "快节奏9人局（3狼 3民 预女猎）",
        [Role.WEREWOLF] * 3 + [Role.VILLAGER] * 3
        + [Role.SEER, Role.WITCH, Role.HUNTER],
    ),
}


def get_board(key: str) -> Board:
    return BOARDS.get(key, BOARDS["classic12"])