from functools import lru_cache

from pydantic import Field
from pydantic_settings import BaseSettings, SettingsConfigDict


class Settings(BaseSettings):
    """Runtime configuration shared by API, workers, and simulator."""

    model_config = SettingsConfigDict(env_file=".env", env_file_encoding="utf-8", extra="ignore")

    app_name: str = "AI Orchestrator Wedding Demo"
    environment: str = "local"
    database_url: str = "sqlite:///./orchestrator.db"
    redis_url: str = "redis://redis:6379/0"
    qdrant_url: str = "http://qdrant:6333"
    anthropic_api_key: str | None = None
    anthropic_model: str = "claude-sonnet-4-6"
    wed_api_base_url: str = "http://localhost:8000"
    wed_api_openapi_url: str | None = None
    wed_api_bearer_token: str | None = None
    wed_default_partner_id: str | None = None
    wed_guest_first_name: str = "Demo"
    wed_guest_last_name: str = "Customer"
    wed_guest_email: str = "demo.customer@example.com"
    wed_guest_phone: str | None = None
    soniox_api_key: str | None = None
    soniox_model: str = "stt-async-preview"
    soniox_poll_interval_seconds: float = 3.0
    soniox_poll_attempts: int = 240
    planner_confidence_threshold: float = 0.72
    backend_base_url: str = "http://localhost:9000"
    cors_origins: list[str] = Field(default_factory=lambda: ["http://localhost:5173", "http://127.0.0.1:5173"])


@lru_cache
def get_settings() -> Settings:
    return Settings()