from typing import List, Optional
from pydantic import BaseModel, Field, HttpUrl

class Attachment(BaseModel):
    name: str
    url: str  # data: URI or https URL

class TaskRequest(BaseModel):
    email: str
    secret: str
    task: str
    round: int = Field(1, ge=1, le=3)
    nonce: str
    brief: str
    checks: List[str]
    evaluation_url: HttpUrl
    attachments: List[Attachment] = []

class TaskResponse(BaseModel):
    status: str
    task: str
    round: int
    message: str | None = None
    task_id: str | None = None
    repo_url: str | None = None
    commit_sha: str | None = None
    pages_url: str | None = None
    notes: str | None = None
    task: str
    round: int
    repo_url: Optional[str] = None
    commit_sha: Optional[str] = None
    pages_url: Optional[str] = None
    notes: Optional[str] = None

class ErrorResponse(BaseModel):
    status: str = "error"
    reason: str