# -*- coding: utf-8 -*-
# Copyright (c) 2025 relakkes@gmail.com
#
# This file is part of MediaCrawler project.
# Repository: https://github.com/NanmiCoder/MediaCrawler/blob/main/store/bilibili/_store_impl.py
# GitHub: https://github.com/NanmiCoder
# Licensed under NON-COMMERCIAL LEARNING LICENSE 1.1
#

# 声明：本代码仅供学习和研究目的使用。使用者应遵守以下原则：
# 1. 不得用于任何商业用途。
# 2. 使用时应遵守目标平台的使用条款和robots.txt规则。
# 3. 不得进行大规模爬取或对平台造成运营干扰。
# 4. 应合理控制请求频率，避免给目标平台带来不必要的负担。
# 5. 不得用于任何非法或不当的用途。
#
# 详细许可条款请参阅项目根目录下的LICENSE文件。
# 使用本代码即表示您同意遵守上述原则和LICENSE中的所有条款。


# -*- coding: utf-8 -*-
# @Author  : persist1@126.com
# @Time    : 2025/9/5 19:34
# @Desc    : Bilibili storage implementation class
import asyncio
import csv
import json
import os
import pathlib
from typing import Dict

import aiofiles
from sqlalchemy import select
from sqlalchemy.orm import sessionmaker

import config
from base.base_crawler import AbstractStore
from database.db_session import get_session
from database.models import BilibiliVideoComment, BilibiliVideo, BilibiliUpInfo, BilibiliUpDynamic, BilibiliContactInfo
from tools.async_file_writer import AsyncFileWriter
from tools import utils, words
from var import crawler_type_var
from database.mongodb_store_base import MongoDBStoreBase


class BiliCsvStoreImplement(AbstractStore):
    def __init__(self):
        self.file_writer = AsyncFileWriter(
            crawler_type=crawler_type_var.get(),
            platform="bili"
        )

    async def store_content(self, content_item: Dict):
        """
        content CSV storage implementation
        Args:
            content_item:

        Returns:

        """
        await self.file_writer.write_to_csv(
            item=content_item,
            item_type="videos"
        )

    async def store_comment(self, comment_item: Dict):
        """
        comment CSV storage implementation
        Args:
            comment_item:

        Returns:

        """
        await self.file_writer.write_to_csv(
            item=comment_item,
            item_type="comments"
        )

    async def store_creator(self, creator: Dict):
        """
        creator CSV storage implementation
        Args:
            creator:

        Returns:

        """
        await self.file_writer.write_to_csv(
            item=creator,
            item_type="creators"
        )

    async def store_contact(self, contact_item: Dict):
        """
        creator contact CSV storage implementation
        Args:
            contact_item: creator's contact item dict

        Returns:

        """
        await self.file_writer.write_to_csv(
            item=contact_item,
            item_type="contacts"
        )

    async def store_dynamic(self, dynamic_item: Dict):
        """
        creator dynamic CSV storage implementation
        Args:
            dynamic_item: creator's contact item dict

        Returns:

        """
        await self.file_writer.write_to_csv(
            item=dynamic_item,
            item_type="dynamics"
        )


class BiliDbStoreImplement(AbstractStore):
    async def store_content(self, content_item: Dict):
        """
        Bilibili content DB storage implementation
        Args:
            content_item: content item dict
        """
        video_id = int(content_item.get("video_id"))
        content_item["video_id"] = video_id
        content_item["user_id"] = int(content_item.get("user_id", 0) or 0)
        content_item["liked_count"] = int(content_item.get("liked_count", 0) or 0)
        content_item["create_time"] = int(content_item.get("create_time", 0) or 0)
        
        async with get_session() as session:
            result = await session.execute(select(BilibiliVideo).where(BilibiliVideo.video_id == video_id))
            video_detail = result.scalar_one_or_none()

            if not video_detail:
                content_item["add_ts"] = utils.get_current_timestamp()
                content_item["last_modify_ts"] = utils.get_current_timestamp()
                new_content = BilibiliVideo(**content_item)
                session.add(new_content)
            else:
                content_item["last_modify_ts"] = utils.get_current_timestamp()
                for key, value in content_item.items():
                    setattr(video_detail, key, value)
            await session.commit()

    async def store_comment(self, comment_item: Dict):
        """
        Bilibili comment DB storage implementation
        Args:
            comment_item: comment item dict
        """
        comment_id = int(comment_item.get("comment_id"))
        comment_item["comment_id"] = comment_id
        comment_item["video_id"] = int(comment_item.get("video_id", 0) or 0)
        comment_item["create_time"] = int(comment_item.get("create_time", 0) or 0)
        comment_item["like_count"] = str(comment_item.get("like_count", "0"))
        comment_item["sub_comment_count"] = str(comment_item.get("sub_comment_count", "0"))
        comment_item["parent_comment_id"] = str(comment_item.get("parent_comment_id", "0"))
        
        async with get_session() as session:
            result = await session.execute(select(BilibiliVideoComment).where(BilibiliVideoComment.comment_id == comment_id))
            comment_detail = result.scalar_one_or_none()

            if not comment_detail:
                comment_item["add_ts"] = utils.get_current_timestamp()
                comment_item["last_modify_ts"] = utils.get_current_timestamp()
                new_comment = BilibiliVideoComment(**comment_item)
                session.add(new_comment)
            else:
                comment_item["last_modify_ts"] = utils.get_current_timestamp()
                for key, value in comment_item.items():
                    setattr(comment_detail, key, value)
            await session.commit()

    async def store_creator(self, creator: Dict):
        """
        Bilibili creator DB storage implementation
        Args:
            creator: creator item dict
        """
        creator_id = int(creator.get("user_id"))
        creator["user_id"] = creator_id
        creator["total_fans"] = int(creator.get("total_fans", 0) or 0)
        creator["total_liked"] = int(creator.get("total_liked", 0) or 0)
        creator["user_rank"] = int(creator.get("user_rank", 0) or 0)
        creator["is_official"] = int(creator.get("is_official", 0) or 0)

        async with get_session() as session:
            result = await session.execute(select(BilibiliUpInfo).where(BilibiliUpInfo.user_id == creator_id))
            creator_detail = result.scalar_one_or_none()

            if not creator_detail:
                creator["add_ts"] = utils.get_current_timestamp()
                creator["last_modify_ts"] = utils.get_current_timestamp()
                new_creator = BilibiliUpInfo(**creator)
                session.add(new_creator)
            else:
                creator["last_modify_ts"] = utils.get_current_timestamp()
                for key, value in creator.items():
                    setattr(creator_detail, key, value)
            await session.commit()

    async def store_contact(self, contact_item: Dict):
        """
        Bilibili contact DB storage implementation
        Args:
            contact_item: contact item dict
        """
        up_id = int(contact_item.get("up_id"))
        fan_id = int(contact_item.get("fan_id"))
        contact_item["up_id"] = up_id
        contact_item["fan_id"] = fan_id

        async with get_session() as session:
            result = await session.execute(
                select(BilibiliContactInfo).where(BilibiliContactInfo.up_id == up_id, BilibiliContactInfo.fan_id == fan_id)
            )
            contact_detail = result.scalar_one_or_none()

            if not contact_detail:
                contact_item["add_ts"] = utils.get_current_timestamp()
                contact_item["last_modify_ts"] = utils.get_current_timestamp()
                new_contact = BilibiliContactInfo(**contact_item)
                session.add(new_contact)
            else:
                contact_item["last_modify_ts"] = utils.get_current_timestamp()
                for key, value in contact_item.items():
                    setattr(contact_detail, key, value)
            await session.commit()

    async def store_dynamic(self, dynamic_item):
        """
        Bilibili dynamic DB storage implementation
        Args:
            dynamic_item: dynamic item dict
        """
        dynamic_id = int(dynamic_item.get("dynamic_id"))
        dynamic_item["dynamic_id"] = dynamic_id
        
        async with get_session() as session:
            result = await session.execute(select(BilibiliUpDynamic).where(BilibiliUpDynamic.dynamic_id == dynamic_id))
            dynamic_detail = result.scalar_one_or_none()

            if not dynamic_detail:
                dynamic_item["add_ts"] = utils.get_current_timestamp()
                dynamic_item["last_modify_ts"] = utils.get_current_timestamp()
                new_dynamic = BilibiliUpDynamic(**dynamic_item)
                session.add(new_dynamic)
            else:
                dynamic_item["last_modify_ts"] = utils.get_current_timestamp()
                for key, value in dynamic_item.items():
                    setattr(dynamic_detail, key, value)
            await session.commit()


class BiliJsonStoreImplement(AbstractStore):
    def __init__(self):
        self.file_writer = AsyncFileWriter(
            crawler_type=crawler_type_var.get(),
            platform="bili"
        )

    async def store_content(self, content_item: Dict):
        """
        content JSON storage implementation
        Args:
            content_item:

        Returns:

        """
        await self.file_writer.write_single_item_to_json(
            item=content_item,
            item_type="contents"
        )

    async def store_comment(self, comment_item: Dict):
        """
        comment JSON storage implementation
        Args:
            comment_item:

        Returns:

        """
        await self.file_writer.write_single_item_to_json(
            item=comment_item,
            item_type="comments"
        )

    async def store_creator(self, creator: Dict):
        """
        creator JSON storage implementation
        Args:
            creator:

        Returns:

        """
        await self.file_writer.write_single_item_to_json(
            item=creator,
            item_type="creators"
        )

    async def store_contact(self, contact_item: Dict):
        """
        creator contact JSON storage implementation
        Args:
            contact_item: creator's contact item dict

        Returns:

        """
        await self.file_writer.write_single_item_to_json(
            item=contact_item,
            item_type="contacts"
        )

    async def store_dynamic(self, dynamic_item: Dict):
        """
        creator dynamic JSON storage implementation
        Args:
            dynamic_item: creator's contact item dict

        Returns:

        """
        await self.file_writer.write_single_item_to_json(
            item=dynamic_item,
            item_type="dynamics"
        )



class BiliSqliteStoreImplement(BiliDbStoreImplement):
    pass


class BiliMongoStoreImplement(AbstractStore):
    """Bilibili MongoDB storage implementation"""

    def __init__(self):
        self.mongo_store = MongoDBStoreBase(collection_prefix="bilibili")

    async def store_content(self, content_item: Dict):
        """
        Store video content to MongoDB
        Args:
            content_item: Video content data
        """
        video_id = content_item.get("video_id")
        if not video_id:
            return

        await self.mongo_store.save_or_update(
            collection_suffix="contents",
            query={"video_id": video_id},
            data=content_item
        )
        utils.logger.info(f"[BiliMongoStoreImplement.store_content] Saved video {video_id} to MongoDB")

    async def store_comment(self, comment_item: Dict):
        """
        Store comment to MongoDB
        Args:
            comment_item: Comment data
        """
        comment_id = comment_item.get("comment_id")
        if not comment_id:
            return

        await self.mongo_store.save_or_update(
            collection_suffix="comments",
            query={"comment_id": comment_id},
            data=comment_item
        )
        utils.logger.info(f"[BiliMongoStoreImplement.store_comment] Saved comment {comment_id} to MongoDB")

    async def store_creator(self, creator_item: Dict):
        """
        Store UP master information to MongoDB
        Args:
            creator_item: UP master data
        """
        user_id = creator_item.get("user_id")
        if not user_id:
            return

        await self.mongo_store.save_or_update(
            collection_suffix="creators",
            query={"user_id": user_id},
            data=creator_item
        )
        utils.logger.info(f"[BiliMongoStoreImplement.store_creator] Saved creator {user_id} to MongoDB")


class BiliExcelStoreImplement:
    """Bilibili Excel storage implementation - Global singleton"""

    def __new__(cls, *args, **kwargs):
        from store.excel_store_base import ExcelStoreBase
        return ExcelStoreBase.get_instance(
            platform="bilibili",
            crawler_type=crawler_type_var.get()
        )