import { readFileSync } from 'node:fs'
import { join } from 'node:path'
import type { ReferencesConfig } from './types.js'

const CONFIG_PATH = join(process.cwd(), 'config', 'references.json')

let cachedConfig: ReferencesConfig | null = null

export function loadReferencesConfig(): ReferencesConfig {
  if (cachedConfig) return cachedConfig

  try {
    const raw = readFileSync(CONFIG_PATH, 'utf-8')
    cachedConfig = JSON.parse(raw) as ReferencesConfig
    return cachedConfig
  } catch (_error: any) {
    cachedConfig = { providers: [] }
    return cachedConfig
  }
}

export function reloadReferencesConfig(): ReferencesConfig {
  cachedConfig = null
  return loadReferencesConfig()
}