# -*- coding: utf-8 -*-
# 
# @author: lyg
# @date: 2025-5-12
# @version: 1
# @description: 文档数据库助手，mysql数据库

import json

from knowledgebase.db.doc_db_models import init_doc_db, TDoc, TEntity, TParagraph, TParagraphLink, TParagraphRefLink, \
    TParagraphEntityLink

from knowledgebase.doc.models import ParagraphInfo, DocInfo


class DocDbHelper:
    """
    文档数据库助手
    """

    def __init__(self):
        self.session = init_doc_db()

    def add_doc(self, doc_info: DocInfo) -> int:
        """
        添加文档
        """
        _doc = TDoc(
            file=doc_info.file,
            file_name=doc_info.file_name,
            is_del=0,
        )
        self.session.add(_doc)
        self.session.commit()
        return _doc.id

    def add_paragraph(self, doc_id: int, parent_id: int, paragraph_info: ParagraphInfo) -> TParagraph:
        """
        添加段落
        :param doc_id: 文档id
        :param parent_id: 父段落id
        :param paragraph_info: 段落信息
        """
        _paragraph = TParagraph(
            doc_id=doc_id,
            text=paragraph_info.text,
            title_level=paragraph_info.title_level,
            title_num=paragraph_info.title_num,
            num=paragraph_info.num,
            num_level=paragraph_info.num_level,
            parent_id=parent_id,
            is_del=0,
        )
        self.session.add(_paragraph)
        self.session.commit()
        if parent_id is not None:
            paragraph_link = TParagraphLink(parent_id=parent_id, child_id=_paragraph.id)
            self.add_paragraph_link(paragraph_link)
        if paragraph_info.entities:
            for entity in paragraph_info.entities:
                self.add_paragraph_entity_link(TParagraphEntityLink(paragraph_id=_paragraph.id, entity_id=entity.id))
        if paragraph_info.children:
            for child in paragraph_info.children:
                self.add_paragraph(doc_id, _paragraph.id, child)
        return _paragraph

    def add_paragraph_link(self, paragraph_link):
        """
        添加段落关系
        :param paragraph_link: 段落关系
        """
        self.session.add(paragraph_link)
        self.session.commit()
        return paragraph_link.id

    def add_paragraph_entity_link(self, paragraph_entity_link):
        """
        添加段落实体关系
        :param paragraph_entity_link: 段落实体关系
        """
        self.session.add(paragraph_entity_link)
        self.session.commit()
        return paragraph_entity_link.id

    def add_entity(self, entity):
        """
        添加实体
        :param entity: 实体
        """
        self.session.add(entity)
        self.session.commit()
        return entity.id

    def add_paragraph_ref_link(self, paragraph_ref_link):
        """
        添加段落引用关系
        :param paragraph_ref_link: 段落引用关系
        """
        self.session.add(paragraph_ref_link)
        self.session.commit()
        return paragraph_ref_link

    def get_all_entities(self) -> list[TEntity]:
        return self.session.query(TEntity).all()

    def get_docs(self) -> list[TDoc]:
        return self.session.query(TDoc).all()

    def get_text_with_entities(self, entity_names: list[str]) -> str:
        """
        根据实体词获取文本内容
        :param entity_names: list[str] - 实体词
        :return: str - 文本
        """
        if not entity_names:
            return ""

        return '\n'.join([entity.name for entity in self.get_all_entities() if entity.name in entity_names])

    def commit(self):
        self.session.commit()


doc_dbh = DocDbHelper()

# if __name__ == '__main__':
#     doc_db = DocDbHelper()
#     # doc_db.insert_entities()
#     doc = doc_db.add_doc(DocInfo(file='aaa', file_name='test'))
#     p1 = doc_db.add_paragraph(doc.id, None, ParagraphInfo(text='test1', title_level=1, num=1, num_level=1))
#     p2 = doc_db.add_paragraph(doc.id, p1.id, ParagraphInfo(text='test2', title_level=2, num=1, num_level=2))
#     p3 = doc_db.add_paragraph(doc.id, p2.id, ParagraphInfo(text='test3', title_level=3, num=1, num_level=3))
#     doc_db.add_paragraph_ref_link(TParagraphRefLink(parent_id=p1.id, child_id=p3.id))