"""同步任务注册表。

所有 `SyncTask` 子类在此集中注册，外部通过 `get_task(dataset_id)` 或
遍历 `TASKS` 字典使用。
"""
from app.tasks.task_industry_sector import SyncIndustrySector
from app.tasks.task_kline_5min import SyncKline5Min
from app.tasks.task_kline_daily import SyncKlineDaily
from app.tasks.task_kline_index import SyncKlineIndex
from app.tasks.task_market_regime import SyncMarketRegime
from app.tasks.task_moneyflow import SyncMoneyflow
from app.tasks.task_sector_features import SyncSectorFeatures
from app.tasks.task_share_snapshot import SyncShareSnapshot
from app.tasks.task_stocks_basic import SyncStocksBasic

TASKS: dict[str, type] = {
    cls.dataset_id: cls
    for cls in (
        SyncStocksBasic,
        SyncKlineDaily,
        SyncKlineIndex,
        SyncKline5Min,
        SyncMoneyflow,
        SyncIndustrySector,
        SyncSectorFeatures,
        SyncShareSnapshot,
        SyncMarketRegime,
    )
}


def get_task(dataset_id: str):
    """通过 dataset_id 取同步任务类实例，找不到抛 KeyError。"""
    if dataset_id not in TASKS:
        raise KeyError(f"未知的同步任务: {dataset_id!r}，可选: {sorted(TASKS)}")
    return TASKS[dataset_id]()


__all__ = ["TASKS", "get_task"]