from __future__ import annotations
from pydantic import BaseModel, Field
from typing import List, Optional, Dict, Any

class CampaingCreate(BaseModel):
    campaing_id: str
    strbrand: str
    product: str
    target_audience: str
    tone: str ="信頼感・エビデンス重視"
    language: str = "ja"
    contraints: Optional[Dict[str, Any]] = None 
    k_variant: int = 5
    value_per_conversion: float = 1.0

class AdVariant(BaseModel):
    variant_id: str
    text: str
    status: str 
    rejection_reason: Optional[str] = None

class GenerateAdsRequest(CampaingCreate):
    pass

class GenerateAdsResponse(BaseModel):
    campaing_id: str
    variants: List[AdVariant]

class ServerRequest(BaseModel):
    campaing_id: str
    context: Optional[Dict[str, Any]] = None

class ServeResponse(BaseModel):
    campaing_id: str
    variant_id: str
    text: str

class FeedbackEvent(BaseModel):
    campaing_id: str
    variant_id: str
    event_type: str
    ts: Optional[str] = None
    value: Optional[float] = None

class ReportRequest(BaseModel):
    campaing_id: str

class VariantReport(BaseModel):
    variant_id: str
    impressions: int
    clicks: int
    conversions: int
    ctr: float
    cvr: float
    expected_value: float

class ReportResponse(BaseModel):
    campaing_id:str
    variant:List[VariantReport]