import { config } from 'dotenv'

config()

export interface MetabaseConfig {
  url: string
  username?: string
  password?: string
  apiKey?: string
  sessionToken?: string
}

export function loadConfig(): MetabaseConfig {
  const url = process.env.METABASE_URL
  if (!url) throw new Error('METABASE_URL is required. Set it in .env or environment.')

  const apiKey = process.env.METABASE_API_KEY
  const sessionToken = process.env.METABASE_SESSION_TOKEN
  const username = process.env.METABASE_USERNAME
  const password = process.env.METABASE_PASSWORD

  if (!apiKey && !sessionToken && (!username || !password)) {
    throw new Error('Set METABASE_API_KEY, METABASE_SESSION_TOKEN, or METABASE_USERNAME+METABASE_PASSWORD.')
  }

  return { url, username, password, apiKey, sessionToken }
}