"""SDS 刷新未完结:查 DB 未完结订单号,按 keywords 批量刷新。

对应 sds-refresh-pending。终态:已完成 / 已取消。注意不跳过待付款。
"""

from __future__ import annotations

from prefect import flow, task

from api.sds.models import OrderPageRequest
from flows.sds._pipeline import sync_sds_records
from flows.shared import (
    SyncDB, build_stats_rows, create_sds_client, emit_sync_summary,
    get_channel_type_map, refresh_channel_type_map,
)

SDS_FINISHED_STATUSES = ["已完成", "已取消"]
KEYWORDS_BATCH = 500


@task(retries=3, retry_delay_seconds=[3, 6, 9])
def fetch_pending(order_nos: list[str]) -> list:
    client = create_sds_client()
    try:
        all_raw: list = []
        for i in range(0, len(order_nos), KEYWORDS_BATCH):
            batch = order_nos[i : i + KEYWORDS_BATCH]
            resp = client.get_orders(OrderPageRequest(keywords="\n".join(batch), all=True))
            all_raw.extend(resp.records)
        return all_raw
    finally:
        client.close()


@task(retries=3, retry_delay_seconds=[3, 6, 9])
def upsert_records(raw_orders: list) -> dict:
    client = create_sds_client()
    try:
        channel_map = get_channel_type_map(client)
        return sync_sds_records(raw_orders, channel_map, SyncDB(),
                                channel_refresh=lambda: refresh_channel_type_map(client),
                                skip_unpaid=False)
    finally:
        client.close()


@flow(name="sds-refresh-pending", log_prints=True)
def sds_refresh_pending() -> dict:
    db = SyncDB()
    order_nos = db.get_pending_orders("SDS", SDS_FINISHED_STATUSES)
    no_label_nos = db.get_orders_without_label("SDS", days=7)
    all_nos = list(set(order_nos) | set(no_label_nos))
    print(f"SDS 未完结 {len(order_nos)} + 无面单(近7天) {len(no_label_nos)} → 合并 {len(all_nos)}")
    if not all_nos:
        return {"pendingCount": 0, "matchedCount": 0}

    raw = fetch_pending(all_nos)
    stats = upsert_records(raw)
    print(f"完成: 匹配 {len(raw)} | {stats}")
    emit_sync_summary("SDS 刷新未完结", build_stats_rows("SDS", stats, [
        ("未完结订单", len(order_nos)), ("无面单(近7天)", len(no_label_nos)),
        ("合并去重", len(all_nos)), ("匹配", len(raw)),
    ]))
    return {"pendingCount": len(all_nos), "matchedCount": len(raw), **stats}


if __name__ == "__main__":
    sds_refresh_pending.serve(name="sds-refresh-pending", cron="0 */2 * * *")