from typing import List, Dict

from app.core.database import DatabaseManager

from ._const import DecodeTaskConst


class ArticlesDecodeTaskMapper(DecodeTaskConst):
    DECODE_TASK_QUEUE = "long_articles_new_decode_tasks"
    INNER_DECODE_CREATE_STATE = "long_articles_inner_decode_create_state"

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

    # 存储解构任务
    async def record_decode_task(
        self, task_id: str,  content_id: str, task_type: int, payload: str, remark: str = None
    ) -> int:
        query = f"""
            INSERT INTO {self.DECODE_TASK_QUEUE} (task_id, content_id, task_type, payload, remark)
            VALUES (%s, %s, %s, %s, %s)
        """
        return await self.pool.async_save(query=query, params=(task_id, content_id, task_type, payload, remark))

    async def record_decode_task_if_absent(
        self, task_id: str, content_id: str, task_type: int, payload: str, remark: str = None
    ) -> int:
        query = f"""
            INSERT IGNORE INTO {self.DECODE_TASK_QUEUE} (task_id, content_id, task_type, payload, remark)
            VALUES (%s, %s, %s, %s, %s)
        """
        return await self.pool.async_save(
            query=query, params=(task_id, content_id, task_type, payload, remark)
        )

    # 更新解构任务状态
    async def update_decode_task_status(
        self, task_id: str, ori_status: int, new_status: int, remark: str = None
    ) -> int:
        query = f"""
            UPDATE {self.DECODE_TASK_QUEUE}
            SET status = %s, remark = %s
            WHERE task_id = %s AND status = %s;
        """
        return await self.pool.async_save(
            query=query, params=(new_status, remark, task_id, ori_status)
        )

    # 设置解构结果
    async def set_decode_result(
        self, task_id: str, result: str, remark: str = None
    ) -> int:
        query = f"""
            UPDATE {self.DECODE_TASK_QUEUE}
            SET status = %s, remark = %s, result = %s
            WHERE task_id = %s AND status = %s;
        """
        return await self.pool.async_save(
            query=query,
            params=(
                self.TaskStatus.SUCCESS,
                remark,
                result,
                task_id,
                self.TaskStatus.PROCESSING,
            ),
        )

    # 获取待拉取结果的解构任务（status=INIT，尚未拿到解构结果）
    async def fetch_decoding_tasks(self) -> List[Dict]:
        query = f"""
            SELECT task_id FROM {self.DECODE_TASK_QUEUE} WHERE status = %s LIMIT %s;
        """
        return await self.pool.async_fetch(
            query=query, params=(self.TaskStatus.INIT, self.TASK_BATCH)
        )

    # 获取待解析的任务（获取处理成功的任务）
    async def fetch_extract_tasks(self):
        query = f"""
            SELECT id, result FROM {self.DECODE_TASK_QUEUE}
            WHERE extract_status = %s AND status = %s;
        """
        return await self.pool.async_fetch(
            query=query, params=(self.ExtractStatus.INIT, self.TaskStatus.SUCCESS)
        )

    # 修改解析状态（用于加锁与状态流转）
    async def update_extract_status(self, task_id, ori_status, new_status):
        query = f"""
            UPDATE {self.DECODE_TASK_QUEUE}
            SET extract_status = %s WHERE extract_status = %s AND id = %s;
        """
        return await self.pool.async_save(
            query=query,
            params=(
                new_status,
                ori_status,
                task_id,
            ),
        )

    # 记录解析结果明细到 long_articles_decode_task_detail
    async def record_extract_detail(self, decode_task_id: int, detail: Dict) -> int:
        query = """
            INSERT INTO long_articles_decode_task_detail
                (decode_task_id, inspiration, purpose, key_point, topic)
            VALUES (%s, %s, %s, %s, %s);
        """
        return await self.pool.async_save(
            query=query,
            params=(
                decode_task_id,
                detail.get("inspiration", ""),
                detail.get("purpose", ""),
                detail.get("key_point", ""),
                detail.get("topic", ""),
            ),
        )

    # 判断是否存在相同的任务 id
    async def fetch_exist_source_id(self, source_id, task_type):
        query = f"""
            SELECT id FROM {self.DECODE_TASK_QUEUE}
            WHERE content_id = %s AND task_type = %s;
        """
        return await self.pool.async_fetch(
            query=query, params=(source_id, task_type)
        )


class AdPlatformArticlesDecodeTaskMapper(ArticlesDecodeTaskMapper):
    def __init__(self, pool: DatabaseManager):
        super().__init__(pool)

    async def record_decode_task(
        self, task_id: str, wx_sn: str, remark: str = None
    ) -> int:
        return await super().record_decode_task(
            task_id=task_id,
            content_id=wx_sn,
            task_type=self.TaskType.SOURCE_IMAGES_TEXT,
            payload="{}",
            remark=remark,
        )

    # 修改文章解构状态
    async def update_article_decode_status(
        self, id_: int, ori_status: int, new_status: int
    ) -> int:
        query = """
            UPDATE ad_platform_accounts_daily_detail
            SET decode_status = %s
            WHERE id = %s AND decode_status = %s;
        """
        return await self.pool.async_save(
            query=query, params=(new_status, id_, ori_status)
        )

    # 获取待解构文章
    async def fetch_decode_articles(self) -> List[Dict]:
        query = """
            SELECT id, account_name, gh_id, article_title, article_cover,
                   article_text, article_images, wx_sn
            FROM ad_platform_accounts_daily_detail WHERE fetch_status = %s AND decode_status = %s
            LIMIT %s;
        """
        return await self.pool.async_fetch(
            query=query,
            params=(self.TaskStatus.SUCCESS, self.TaskStatus.INIT, self.TASK_BATCH),
        )


class InnerArticlesDecodeTaskMapper(ArticlesDecodeTaskMapper):
    def __init__(self, pool: DatabaseManager):
        super().__init__(pool)

    # 获取内部文章
    async def fetch_inner_articles(self, date_string="20260401"):
        query = """
            SELECT title, source_id, wx_sn, cover_img_url FROM long_articles_good_read_article WHERE dt = %s
            AND source_id IN ('20260222161421405412536', '20241011051312526697231', '20241125113847098601958', '20241011042712648349812')
            ORDER by max_read_rate DESC LIMIT %s;
        """
        return await self.pool.async_fetch(
            query=query, params=(date_string, 20)
        )

    # 获取内部文章生成信息
    async def fetch_inner_articles_produce_detail(self, source_id) -> List[Dict]:
        query = """
            SELECT produce_module_type, output
            FROM produce_plan_module_output WHERE plan_exe_id = %s
            AND produce_module_type in (1,2,3,4,18); 
        """
        return await self.pool.async_fetch(
            query=query, db_name="aigc", params=(source_id,)
        )

    # 获取文章源信息
    async def fetch_article_crawler_source_info(self, source_id: str):
        query = """
            SELECT 
                t2.channel_content_id, t3.body_text
            FROM produce_plan_exe_record t1
                LEFT JOIN produce_plan_exe_refer_content t2 ON t2.plan_exe_id = t1.plan_exe_id
                LEFT JOIN crawler_content_blob t3 ON t3.channel_content_id = t2.channel_content_id
            WHERE
                t1.plan_exe_id = %s;
        """
        return await self.pool.async_fetch(
            query=query, db_name="aigc", params=(source_id,)
        )

    async def init_create_state(self, source_id: str, task_type: int, now_ts: int):
        query = f"""
            INSERT IGNORE INTO {self.INNER_DECODE_CREATE_STATE}
                (source_id, task_type, status, retry_count, locked_at, created_at, updated_at)
            VALUES (%s, %s, %s, %s, %s, %s, %s);
        """
        return await self.pool.async_save(
            query=query,
            params=(
                source_id,
                task_type,
                self.TaskStatus.INIT,
                0,
                0,
                now_ts,
                now_ts,
            ),
        )

    async def fetch_create_state(self, source_id: str, task_type: int):
        query = f"""
            SELECT source_id, task_type, status, retry_count, locked_at, remote_task_id, last_error
            FROM {self.INNER_DECODE_CREATE_STATE}
            WHERE source_id = %s AND task_type = %s
            LIMIT 1;
        """
        rows = await self.pool.async_fetch(query=query, params=(source_id, task_type))
        if not rows:
            return None
        return rows[0]

    async def acquire_create_lock(
        self,
        source_id: str,
        task_type: int,
        now_ts: int,
        max_retry_times: int,
        lock_expire_before: int,
    ):
        query = f"""
            UPDATE {self.INNER_DECODE_CREATE_STATE}
            SET status = %s, locked_at = %s, updated_at = %s, last_error = NULL
            WHERE source_id = %s
              AND task_type = %s
              AND (
                    status = %s
                 OR (status = %s AND retry_count < %s)
                 OR (status = %s AND locked_at > 0 AND locked_at < %s)
              );
        """
        return await self.pool.async_save(
            query=query,
            params=(
                self.TaskStatus.PROCESSING,
                now_ts,
                now_ts,
                source_id,
                task_type,
                self.TaskStatus.INIT,
                self.TaskStatus.FAILED,
                max_retry_times,
                self.TaskStatus.PROCESSING,
                lock_expire_before,
            ),
        )

    async def mark_create_success(
        self,
        source_id: str,
        task_type: int,
        remote_task_id: str,
        now_ts: int,
        remark: str = None,
    ):
        query = f"""
            UPDATE {self.INNER_DECODE_CREATE_STATE}
            SET status = %s,
                remote_task_id = %s,
                last_error = %s,
                locked_at = 0,
                updated_at = %s
            WHERE source_id = %s AND task_type = %s AND status = %s;
        """
        return await self.pool.async_save(
            query=query,
            params=(
                self.TaskStatus.SUCCESS,
                remote_task_id,
                remark,
                now_ts,
                source_id,
                task_type,
                self.TaskStatus.PROCESSING,
            ),
        )

    async def mark_create_retry(
        self,
        source_id: str,
        task_type: int,
        now_ts: int,
        error_message: str,
    ):
        query = f"""
            UPDATE {self.INNER_DECODE_CREATE_STATE}
            SET status = %s,
                retry_count = retry_count + 1,
                last_error = %s,
                locked_at = 0,
                updated_at = %s
            WHERE source_id = %s AND task_type = %s AND status = %s;
        """
        return await self.pool.async_save(
            query=query,
            params=(
                self.TaskStatus.INIT,
                error_message,
                now_ts,
                source_id,
                task_type,
                self.TaskStatus.PROCESSING,
            ),
        )

    async def mark_create_failed(
        self,
        source_id: str,
        task_type: int,
        now_ts: int,
        error_message: str,
    ):
        query = f"""
            UPDATE {self.INNER_DECODE_CREATE_STATE}
            SET status = %s,
                retry_count = retry_count + 1,
                last_error = %s,
                locked_at = 0,
                updated_at = %s
            WHERE source_id = %s AND task_type = %s AND status = %s;
        """
        return await self.pool.async_save(
            query=query,
            params=(
                self.TaskStatus.FAILED,
                error_message,
                now_ts,
                source_id,
                task_type,
                self.TaskStatus.PROCESSING,
            ),
        )


__all__ = [
    "ArticlesDecodeTaskMapper",
    "AdPlatformArticlesDecodeTaskMapper",
    "InnerArticlesDecodeTaskMapper",
]