from pydantic import BaseModel, Field
from enum import Enum


class TranslationStyle(str, Enum):
    literal = "literal"
    fluent = "fluent"
    casual = "casual"


class TranslateRequest(BaseModel):
    source_text: str = Field(..., min_length=1, max_length=10000)
    source_lang: str = Field(default="auto", max_length=10)
    source_lang_name: str | None = Field(default=None, max_length=50)
    target_lang: str = Field(..., max_length=10)
    target_lang_name: str | None = Field(default=None, max_length=50)
    style: TranslationStyle = TranslationStyle.literal
    glossary_id: str | None = None
    format: str = "text"