"""设置相关路由"""
from fastapi import APIRouter, Request
from app.core.db import get_db
from app.repositories.settings_repo import SettingsRepository
from app.models.schemas import SettingsSchema
from app.api.common import success_response
from app.core.log import logger

router = APIRouter(prefix="/api/settings", tags=["settings"])
settings_repo = SettingsRepository()


@router.get("")
async def get_settings():
    async with get_db() as db:
        settings = await settings_repo.get_all(db)
    return success_response("获取设置成功", settings)


@router.post("")
async def save_settings(request: SettingsSchema, http_request: Request):
    async with get_db() as db:
        success = await settings_repo.save(db, request.model_dump())
    if not success:
        raise RuntimeError("保存设置失败")

    # 热更新运行中调度器的间隔时间
    scheduler = getattr(http_request.app.state, "scheduler", None)
    worker_pool = getattr(http_request.app.state, "worker_pool", None)
    validator = getattr(http_request.app.state, "validator", None)

    if scheduler:
        new_interval = request.validate_interval_minutes
        if scheduler.interval_minutes != new_interval:
            scheduler.interval_minutes = new_interval
            logger.info(f"Scheduler interval updated to {new_interval} minutes")

    # 热更新 Worker 池大小
    if worker_pool and worker_pool.worker_count != request.default_concurrency:
        await worker_pool.resize(request.default_concurrency)
        logger.info(f"Worker pool resized to {request.default_concurrency}")

    # 热更新验证器超时和并发（下次验证时生效）
    if validator:
        validator._init_timeout = request.validation_timeout
        validator._init_connect_timeout = request.validation_timeout
        validator._init_max_concurrency = request.default_concurrency
        if request.validation_targets:
            validator.update_test_urls(request.validation_targets)
        # 重新创建 semaphore 和 session
        validator._semaphore = None
        await validator.close()
        logger.info(f"Validator config updated: timeout={request.validation_timeout}, concurrency={request.default_concurrency}, targets={request.validation_targets}")

    return success_response("保存设置成功", request.model_dump())