"""Independent defaults for guided exploration; no credentials live here."""

from typing import Literal

from pydantic import BaseModel, ConfigDict, Field, model_validator


class ExplorationConfig(BaseModel):
    model_config = ConfigDict(extra="forbid")

    model: str = Field(default="gpt-6.1-terra", min_length=1, max_length=200)
    reasoning_effort: Literal[
        "default", "none", "minimal", "low", "medium", "high", "xhigh", "max"
    ] = "high"
    timeout_seconds: int = Field(default=1800, ge=30, le=86400)
    demonstration_timeout_seconds: int = Field(default=900, ge=60, le=86400)
    demonstration_warning_seconds: int = Field(default=60, ge=10, le=600)

    @model_validator(mode="after")
    def validate_warning(self):
        if self.demonstration_warning_seconds >= self.demonstration_timeout_seconds:
            raise ValueError("示范结束提示必须早于示范时限")
        return self