"""PDF 转换接口 DTO。"""

from __future__ import annotations

from datetime import datetime

from pydantic import BaseModel, Field


class PdfJobOut(BaseModel):
    """任务对外视图（用户与管理页共用，user_deleted 仅管理页关注）。"""

    id: int
    source_filename: str = Field(..., description="原始上传文件名")
    source_size: int = Field(..., description="原始文件字节数")
    status: str = Field(..., description="pending / converting / done / failed")
    progress: int = Field(0, description="转换进度 0-100")
    error_message: str = Field("", description="失败原因")
    user_deleted: bool = Field(False, description="用户是否已软删（管理页用）")
    deleted_at: datetime | None = Field(None, description="用户软删时间（管理页用）")
    created_at: datetime
    updated_at: datetime

    model_config = {"from_attributes": True}


class PdfJobListResponse(BaseModel):
    """任务列表响应。"""

    total: int
    items: list[PdfJobOut]


class PdfSubmitResponse(BaseModel):
    """提交转换任务的响应。"""

    job: PdfJobOut = Field(..., description="新建的任务")
    set_cookie: bool = Field(
        False, description="true=本次请求未带 cookie，响应已下发新 cookie"
    )


class DeleteResult(BaseModel):
    deleted: bool