from pathlib import Path

from dotenv import load_dotenv
from pydantic import Field
from pydantic_settings import BaseSettings, SettingsConfigDict

# .env рядом с корнём проекта (не зависит от текущей директории при запуске uvicorn)
_PROJECT_ROOT = Path(__file__).resolve().parent.parent
load_dotenv(_PROJECT_ROOT / ".env")


class Settings(BaseSettings):
    model_config = SettingsConfigDict(
        env_file=str(_PROJECT_ROOT / ".env"),
        env_file_encoding="utf-8",
        extra="ignore",
    )

    http_addr: str = Field(default="0.0.0.0:8080", validation_alias="HTTP_ADDR")
    database_url: str = Field(default="", validation_alias="DATABASE_URL")
    grafana_webhook_secret: str = Field(default="", validation_alias="GRAFANA_WEBHOOK_SECRET")
    # JSON-массив: [{"slug":"adibrov","api_url":"https://...","api_token":"glsa_...","webhook_secret":"..."}]
    # Пусто + задан GRAFANA_URL → один источник slug "default"
    grafana_sources_json: str = Field(default="", validation_alias="GRAFANA_SOURCES_JSON")
    # HTTP API (service account): Grafana → Administration → Service accounts → токен
    grafana_url: str = Field(default="", validation_alias="GRAFANA_URL")
    grafana_service_account_token: str = Field(
        default="",
        validation_alias="GRAFANA_SERVICE_ACCOUNT_TOKEN",
    )
    vault_addr: str = Field(default="", validation_alias="VAULT_ADDR")
    vault_token: str = Field(default="", validation_alias="VAULT_TOKEN")
    # Forgejo (Gitea-совместимый API): Settings → Applications → токен, или при создании PAT
    forgejo_url: str = Field(default="", validation_alias="FORGEJO_URL")
    forgejo_token: str = Field(default="", validation_alias="FORGEJO_TOKEN")
    log_level: str = Field(default="info", validation_alias="LOG_LEVEL")


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