from __future__ import annotations

from pydantic import ValidationError
from quart import Blueprint, jsonify

from app.api.v1.utils import ApiDependencies, LongArticlesMcpRequest
from app.api.v1.utils import parse_json, validation_error_response
from app.domains.mcp import LongArticlesMcp


def create_mcp_bp(deps: ApiDependencies) -> Blueprint:
    bp = Blueprint("mcp", __name__)

    @bp.route("/long_articles_mcp/<string:task_name>", methods=["POST"])
    async def long_articles_mcp(task_name: str):
        """MCP 交互接口

        POST /api/long_articles_mcp/<task_name>
        请求体为 JSON，可选字段: page, page_size, sort_by, sort_order
        """
        # 1. 请求体校验
        try:
            req, _ = await parse_json(LongArticlesMcpRequest)
        except ValidationError as e:
            payload, status = validation_error_response(e)
            return jsonify(payload), status

        params = req.model_dump(exclude_none=True)

        # 2. 构造 MCP 入口并分发
        mcp = LongArticlesMcp(
            params=params,
            pool=deps.db,
            log_service=deps.log,
            config=deps.config,
        )
        result = await mcp.deal(task_name=task_name, params=params)

        # 3. deal() 已统一封装 {code, message, data}，直接透传
        http_status = 200 if result.get("code") == 0 else result.get("code", 500)
        return jsonify(result), http_status

    return bp


__all__ = ["create_mcp_bp"]