from pydantic import BaseModel, Field
from typing import Optional, Any
from datetime import datetime

class Response(BaseModel):
    code: int = 0
    data: Any = None
    message: str = "ok"

class PageData(BaseModel):
    items: list = []
    total: int = 0
    page: int = 1
    page_size: int = 20

# 模板
class TemplateCreate(BaseModel):
    name: str
    description: str = ""

class TemplateOut(BaseModel):
    id: int
    name: str
    description: str = ""
    file_path: str = ""
    paragraph_count: int = 0
    status: str = "draft"
    created_at: Optional[datetime] = None
    updated_at: Optional[datetime] = None

class ParagraphConfig(BaseModel):
    id: int = 0
    sort_index: int = 0
    anchor_title: str = ""
    title: str = ""
    content: str = ""
    edit_mode: str = "manual"
    write_mode: str = "replace_section"
    model_id: Optional[int] = None
    need_prompt: bool = True
    prompt_text: str = ""
    need_file: bool = False
    file_note: str = ""
    output_format: str = "text"

class TemplateSave(BaseModel):
    paragraphs: list[ParagraphConfig] = []

# 模型
class AiModelCreate(BaseModel):
    name: str
    provider: str = ""
    api_format: str = "openai"
    api_endpoint: str = ""
    api_key: str = ""
    supports_streaming: bool = False
    enable_reasoning: bool = False
    status: str = "enabled"


class AiModelUpdate(BaseModel):
    name: Optional[str] = None
    provider: Optional[str] = None
    api_format: Optional[str] = None
    api_endpoint: Optional[str] = None
    api_key: str = ""
    supports_streaming: Optional[bool] = None
    enable_reasoning: Optional[bool] = None
    status: Optional[str] = None

class AiModelOut(BaseModel):
    id: int
    name: str
    provider: str = ""
    api_format: str = "openai"
    api_endpoint: str = ""
    api_key_preview: str = ""
    supports_streaming: bool = False
    enable_reasoning: bool = False
    status: str = "enabled"
    created_at: Optional[datetime] = None

# 生成
class GenerateTestRequest(BaseModel):
    paragraph_id: int
    template_id: int
    prompt_text: str = ""
    model_id: int = 0
    file_paths: list[str] = []

class GenerateFullRequest(BaseModel):
    template_id: int
    file_map: dict[str, list[str]] = {}  # paragraph_id -> file_paths


class ReferenceFileUpdate(BaseModel):
    file_name: str = Field(min_length=1, max_length=255)

class DocumentOut(BaseModel):
    id: int
    template_id: int
    name: str
    para_count_done: int = 0
    para_count_total: int = 0
    status: str = "pending"
    file_path: str = ""
    error: str = ""
    created_at: Optional[datetime] = None