"""企微早报推送闸门。"""

from __future__ import annotations

import logging
from dataclasses import dataclass, field
from typing import Any

from daily.config import force_push, skip_push_when_silent

logger = logging.getLogger(__name__)


@dataclass
class PushGateResult:
    should_push: bool
    reasons: list[str] = field(default_factory=list)
    silent: bool = False


def _has_board_moves(movement: dict[str, Any]) -> bool:
    keys = (
        "skills_trending_moves",
        "skills_hot_moves",
        "github_trending_moves",
        "github_emerging_moves",
        "github_topic_moves",
    )
    return any(movement.get(k) for k in keys)


def evaluate_push_gate(
    *,
    movement: dict[str, Any],
    ai_news_items: list[dict[str, Any]],
    cn_ai_news_items: list[dict[str, Any]],
    featured_pick: dict[str, Any] | None,
) -> PushGateResult:
    if force_push():
        logger.info("push_gate: force_push=on, 强制推送")
        return PushGateResult(should_push=True, reasons=["force_push"], silent=False)

    reasons: list[str] = []
    if _has_board_moves(movement):
        reasons.append("board_moves")
    if ai_news_items:
        reasons.append("ai_news")
    if cn_ai_news_items:
        reasons.append("cn_ai_news")
    if featured_pick:
        reasons.append("featured_pick")

    should = bool(reasons)
    silent = not should and skip_push_when_silent()
    if should:
        logger.info("push_gate: 推送 (原因: %s)", ",".join(reasons))
    elif silent:
        logger.info("push_gate: 静默日, 跳过推送 (无任何更新信号)")
    else:
        logger.info("push_gate: 无更新但 skip_push_when_silent=off, 仍推送")
    return PushGateResult(should_push=should, reasons=reasons, silent=silent)