from __future__ import annotations

from sqlalchemy.orm import Session

from app.core.config import settings
from app.core.errors import APIError
from app.db.models.mine import Mine
from app.db.repositories import mine as mine_repo


def resolve_mine(db: Session, mine_id: str | None = None) -> Mine:
    mine = mine_repo.get_mine(db, mine_id) if mine_id else None
    if mine is None and not mine_id:
        mine = mine_repo.get_mine_by_code(db, settings.default_mine_code)
    if mine is None and not mine_id:
        mine = mine_repo.get_default_mine(db)
    if mine is None:
        raise APIError(404, "mine_not_found", "矿井不存在或未配置默认矿井")
    return mine


def require_mine(db: Session, mine_id: str) -> Mine:
    mine = mine_repo.get_mine(db, mine_id)
    if mine is None:
        raise APIError(404, "mine_not_found", "矿井不存在")
    return mine