export interface Config {
  port: number
  // Napta uses Auth0 Machine-to-Machine (client-credentials), not a static token:
  // client_id + client_secret are exchanged for a short-lived JWT (see napta.ts).
  naptaClientId: string | null
  naptaClientSecret: string | null
  naptaBaseUrl: string
  naptaAuthUrl: string
  naptaAudience: string
  slackBotToken: string | null
}

export const config: Config = {
  port: Number(process.env.PORT ?? 8000),
  naptaClientId: process.env.NAPTA_CLIENT_ID || null,
  naptaClientSecret: process.env.NAPTA_CLIENT_SECRET || null,
  naptaBaseUrl: process.env.NAPTA_BASE_URL || "https://app.napta.io/api/v1",
  naptaAuthUrl: process.env.NAPTA_AUTH_URL || "https://auth.napta.io/oauth/token",
  naptaAudience: process.env.NAPTA_AUDIENCE || "backend",
  slackBotToken: process.env.SLACK_BOT_TOKEN || null,
}

// Listing Projects and Members needs Napta. Without it, the API serves fixtures.
export const hasNaptaCredentials: boolean = Boolean(
  config.naptaClientId && config.naptaClientSecret,
)

// Slack only resolves Avatars; it's optional and degrades to initials when absent.
export const hasSlackCredentials: boolean = Boolean(config.slackBotToken)