import { homedir } from "node:os";
import { join } from "node:path";

export function getMozartDir(): string {
  return process.env.MOZART_DIR ?? join(homedir(), ".mozart");
}

export function getPidPath(): string {
  return join(getMozartDir(), "mozart.pid");
}

export function getDaemonLogPath(): string {
  return join(getMozartDir(), "daemon.log");
}

/**
 * In-container: AGENT_DATA_DIR=/data → returns "/data" (flat layout, id ignored).
 * On host: unset → returns ~/.mozart/agents/<id>/.
 */
export function agentDir(id: string): string {
  if (process.env.AGENT_DATA_DIR) return process.env.AGENT_DATA_DIR;
  return join(getMozartDir(), "agents", id);
}

export function agentSoulPath(id: string): string {
  return join(agentDir(id), "agent.soul");
}

export function agentSkillsDir(id: string): string {
  return join(agentDir(id), "skills");
}

export function agentMemoryPath(id: string): string {
  return join(agentDir(id), "memory.db");
}

export function agentLogPath(id: string): string {
  return join(agentDir(id), "agent.log");
}