from pydantic import BaseModel, Field

class TTSRequest(BaseModel):
    text: str = Field(..., min_length=1, max_length=5000)
    voice: str = Field(default="Aaliyah-PlayAI")
    format: str = Field(default="wav", pattern="^(wav|mp3)$")
    
    class Config:
        json_schema_extra = {
            "example": {
                "text": "Hello, this is a test of text-to-speech.",
                "voice": "Aaliyah-PlayAI",
                "format": "wav"
            }
        }