from pathlib import Path

import yaml
from pydantic import BaseModel


class MinioConfig(BaseModel):
    endpoint: str
    public_endpoint: str = ""
    bucket: str = "snapledger"
    access_key: str
    secret_key: str


class PostgresConfig(BaseModel):
    host: str
    port: int = 5432
    database: str = "snapledger"
    user: str
    password: str

    @property
    def dsn(self) -> str:
        return (
            f"postgresql://{self.user}:{self.password}"
            f"@{self.host}:{self.port}/{self.database}"
        )


class ApiConfig(BaseModel):
    token: str


class AppConfig(BaseModel):
    minio: MinioConfig
    postgresql: PostgresConfig
    api: ApiConfig


def load_config(path: str = "config.yaml") -> AppConfig:
    config_path = Path(path)
    if not config_path.exists():
        raise FileNotFoundError(f"Configuration file not found: {path}")
    with open(config_path, encoding="utf-8") as f:
        data = yaml.safe_load(f)
    return AppConfig(**data)


settings = load_config()