from typing import Optional

from loguru import logger
from sqlalchemy import update, func
from sqlmodel import Session, select

from app.config.config import AppCtx
from app.constants.api_result import ApiCode
from app.models.report_urls import ReportUrlModel
from app.web.request.report_request import AddUrlItem
from app.web.results import ApiResult


class ReportURLService:

    @classmethod
    def get_list(
            cls, domain: str, surl: str, is_report_by_one: Optional[int], is_report_by_site: Optional[int],
            is_report_by_wap: Optional[int], has_evidence: Optional[int], page: int, size: int
    ):

        with Session(AppCtx.g_db_engine) as session:
            stmt = select(ReportUrlModel)
            total_stmt = select(func.count(ReportUrlModel.id))
            if domain:
                stmt = stmt.where(ReportUrlModel.domain.like(f"%{domain}%"))
                total_stmt = total_stmt.where(ReportUrlModel.domain.like(f"%{domain}%"))
            if surl:
                stmt = stmt.where(ReportUrlModel.surl.like(f"%{surl}%"))
                total_stmt = total_stmt.where(ReportUrlModel.surl.like(f"%{surl}%"))
            if is_report_by_one and is_report_by_one != 2:
                stmt = stmt.where(ReportUrlModel.is_report_by_one == is_report_by_one)
                total_stmt = total_stmt.where(ReportUrlModel.is_report_by_one == is_report_by_one)
            if is_report_by_site and is_report_by_site != 2:
                stmt = stmt.where(ReportUrlModel.is_report_by_site == is_report_by_site)
                total_stmt = total_stmt.where(ReportUrlModel.is_report_by_site == is_report_by_site)
            if is_report_by_wap and is_report_by_wap != 2:
                stmt = stmt.where(ReportUrlModel.is_report_by_wap == is_report_by_wap)
                total_stmt = total_stmt.where(ReportUrlModel.is_report_by_wap == is_report_by_wap)
            if has_evidence and has_evidence != 2:
                stmt = stmt.where(ReportUrlModel.has_evidence == has_evidence)
                total_stmt = total_stmt.where(ReportUrlModel.has_evidence == has_evidence)

            # 设置分页
            stmt = stmt.offset((page - 1) * size).limit(size)
            # logger.debug(f"{str(stmt)=}")
            try:
                total = session.exec(total_stmt).first()
                urls = session.exec(stmt).all()
                return ApiResult.ok({
                    "total": total,
                    "data": urls,
                })
            except Exception as e:
                logger.error(f"获取URL列表失败: {e}")
                return ApiResult.error(ApiCode.DB_ERROR.value, str(e))

    @classmethod
    def add_urls(cls, domain_map: dict[str, int], urls: list[AddUrlItem]) -> ApiResult[Optional[int]]:
        """添加URL"""
        if not urls:
            return ApiResult.ok(0)

        models = []

        for url in urls:
            domain_id = domain_map.get(url.domain, None)
            if not domain_id:
                return ApiResult.error(ApiCode.PARAM_ERROR.value, f"域名 {url.domain} 不存在")
            models.append(ReportUrlModel(
                domain_id=domain_id,
                domain=url.domain,
                surl=url.surl,
            ))

        with Session(AppCtx.g_db_engine) as session:
            try:
                session.add_all(models)
                session.commit()
                return ApiResult.ok(len(models))
            except Exception as e:
                logger.error(f"添加URL失败: {e}")
                session.rollback()
                return ApiResult.error(ApiCode.DB_ERROR.value, str(e))

    @classmethod
    def batch_update_evidence_flag(cls, url_ids: list[int]):
        """批量更新URL的has_evidence字段"""
        with Session(AppCtx.g_db_engine) as session:
            try:
                stmt = update(ReportUrlModel).where(ReportUrlModel.id.in_(url_ids)).values(has_evidence=False)
                session.exec(stmt)
                session.commit()
                return ApiResult.ok(len(url_ids))
            except Exception as e:
                logger.error(f"批量更新URL的has_evidence字段失败: {e}")
                session.rollback()
                return ApiResult.error(ApiCode.DB_ERROR.value, str(e))

    @classmethod
    def batch_update_report_flag(cls, ids: list[int], report_by_one: bool, report_by_site: bool, report_by_wap: bool):
        with Session(AppCtx.g_db_engine) as session:
            try:
                stmt = update(ReportUrlModel).where(ReportUrlModel.id.in_(ids))
                if report_by_wap:
                    stmt = stmt.values(is_report_by_wap=False)
                if report_by_site:
                    stmt = stmt.values(is_report_by_site=False)
                if report_by_one:
                    stmt = stmt.values(is_report_by_one=False)

                logger.debug(f"{str(stmt)=}")
                session.exec(stmt)
                session.commit()
                return ApiResult.ok(len(ids))
            except Exception as e:
                logger.error(f"批量更新URL的has_evidence字段失败: {e}")
                session.rollback()
                return ApiResult.error(ApiCode.DB_ERROR.value, str(e))