import { homedir } from 'node:os'
import { join } from 'node:path'

/** OpenCode's Global.config follows XDG_CONFIG_HOME on every supported host. */
export function resolveOpenCodeConfigDirectory(
  environment: NodeJS.ProcessEnv | Record<string, string> = process.env,
  homeDirectory = homedir()
): string {
  const executionHome = process.platform === 'win32' ? environment.USERPROFILE : environment.HOME
  return join(
    environment.XDG_CONFIG_HOME?.trim() || join(executionHome || homeDirectory, '.config'),
    'opencode'
  )
}