from pydantic import BaseModel, Field, field_validator
from typing import List, Optional, Any


class ChannelScore(BaseModel):
    """
    对应 API 中的 channel_score
    使用 extra='allow' 以应对未来微信增加新字段
    """
    total_score: int = 0
    finder_score: int = 0
    query_score: int = 0
    mpdoc_score: int = 0

    class Config:
        extra = 'allow'


class TrendItem(BaseModel):
    """单日数据"""
    ymd: str
    channel_score: ChannelScore

    @field_validator('ymd')
    def validate_date(cls, v):
        if len(v) != 8: raise ValueError("Date format error")
        return v


class ApiResponse(BaseModel):
    """API 响应外层"""
    code: int
    msg: Optional[str] = None
    data: Optional[dict] = None

    @property
    def is_success(self):
        return self.code == 0 and self.data is not None