import uuid
from datetime import datetime
from typing import Literal, Optional

from pydantic import BaseModel, ConfigDict


class CategoryCreate(BaseModel):
    study_id: Optional[uuid.UUID] = None
    name: str
    description: Optional[str] = None
    sort_order: int = 0
    is_active: bool = True


class CategoryUpdate(BaseModel):
    study_id: Optional[uuid.UUID] = None
    name: Optional[str] = None
    description: Optional[str] = None
    sort_order: Optional[int] = None
    is_active: Optional[bool] = None


class CategoryRead(BaseModel):
    id: uuid.UUID
    study_id: Optional[uuid.UUID]
    name: str
    description: Optional[str]
    sort_order: int
    is_active: bool
    created_at: datetime
    updated_at: datetime

    model_config = ConfigDict(from_attributes=True)


class FaqCreate(BaseModel):
    study_id: Optional[uuid.UUID] = None
    category_id: uuid.UUID
    question: str
    answer: Optional[str] = None


class FaqUpdate(BaseModel):
    question: Optional[str] = None
    answer: Optional[str] = None
    is_active: Optional[bool] = None


class FaqStatusUpdate(BaseModel):
    status: Literal["PENDING", "PROCESSING", "RESOLVED"]


class FaqBestReplyUpdate(BaseModel):
    best_reply_id: Optional[uuid.UUID] = None


class FaqReplyCreate(BaseModel):
    content: str
    quote_reply_id: Optional[uuid.UUID] = None


class FaqReplyQuote(BaseModel):
    id: uuid.UUID
    content: str
    created_by: uuid.UUID
    created_at: datetime

    model_config = ConfigDict(from_attributes=True)


class FaqReplyRead(BaseModel):
    id: uuid.UUID
    faq_id: uuid.UUID
    study_id: Optional[uuid.UUID]
    content: str
    created_by: uuid.UUID
    created_at: datetime
    quote_reply_id: Optional[uuid.UUID] = None
    quote: Optional[FaqReplyQuote] = None
    is_deleted: bool = False

    model_config = ConfigDict(from_attributes=True)


class FaqRead(BaseModel):
    id: uuid.UUID
    study_id: Optional[uuid.UUID]
    category_id: uuid.UUID
    best_reply_id: Optional[uuid.UUID] = None
    status: Literal["PENDING", "PROCESSING", "RESOLVED"] = "PENDING"
    resolved_by_confirm: bool = False
    question: str
    answer: str
    keywords: Optional[str]
    version: int
    is_active: bool
    created_by: uuid.UUID
    created_at: datetime
    updated_at: datetime

    model_config = ConfigDict(from_attributes=True)