import json
from applications.config import Chunk


class TaskConst:
    INIT_STATUS = 0
    PROCESSING_STATUS = 1
    FINISHED_STATUS = 2
    FAILED_STATUS = 3


class BaseMySQLClient:

    def __init__(self, pool):
        self.pool = pool


class Contents(BaseMySQLClient):

    async def insert_content(self, doc_id, text):
        query = """
            INSERT IGNORE INTO contents
                (doc_id, text)
            VALUES (%s, %s);
        """
        return await self.pool.async_save(query=query, params=(doc_id, text))

    async def update_content_status(self, doc_id, ori_status, new_status):
        query = """
            UPDATE contents
            SET status = %s
            WHERE doc_id = %s AND status = %s;
        """
        return await self.pool.async_save(
            query=query, params=(new_status, doc_id, ori_status)
        )


class ContentChunks(BaseMySQLClient):

    async def insert_chunk(self, chunk: Chunk) -> int:
        query = """
            INSERT IGNORE INTO content_chunks
                (chunk_id, doc_id, text, tokens, topic_purity) 
                VALUES (%s, %s, %s, %s, %s);
        """
        return await self.pool.async_save(
            query=query,
            params=(
                chunk.chunk_id,
                chunk.doc_id,
                chunk.text,
                chunk.tokens,
                chunk.topic_purity,
            ),
        )

    async def update_chunk_status(self, doc_id, chunk_id, ori_status, new_status):
        query = """
            UPDATE content_chunks
            SET chunk_status = %s 
            WHERE doc_id = %s AND chunk_id = %s AND chunk_status = %s;
        """
        return await self.pool.async_save(
            query=query, params=(new_status, doc_id, chunk_id, ori_status)
        )

    async def update_embedding_status(self, doc_id, chunk_id, ori_status, new_status):
        query = """
            UPDATE content_chunks
            SET embedding_status = %s 
            WHERE doc_id = %s AND chunk_id = %s AND embedding_status = %s;
        """
        return await self.pool.async_save(
            query=query, params=(new_status, doc_id, chunk_id, ori_status)
        )

    async def set_chunk_result(self, chunk: Chunk, ori_status, new_status):
        query = """
            UPDATE content_chunks
            SET summary = %s, topic = %s, domain = %s, task_type = %s, concepts = %s, keywords = %s, questions = %s, chunk_status = %s
            WHERE doc_id = %s AND chunk_id = %s AND chunk_status = %s;
        """
        return await self.pool.async_save(
            query=query,
            params=(
                chunk.summary,
                chunk.topic,
                chunk.domain,
                chunk.task_type,
                json.dumps(chunk.concepts),
                json.dumps(chunk.keywords),
                json.dumps(chunk.questions),
                new_status,
                chunk.doc_id,
                chunk.chunk_id,
                ori_status,
            ),
        )