import fs from "node:fs";
import path from "node:path";

import type { FleetConfig, TaskTemplate } from "@/lib/types";

export const OPENCLAW_RUNTIME_ROOT = process.env.OPENCLAW_RUNTIME_ROOT || "/home/bear/.openclaw";
export const OPENCLAW_AGENTS_DIR = process.env.AGENTS_DIR || "/home/bear/.openclaw/agents";
export const OPENCLAW_CONFIG_PATH = process.env.OPENCLAW_CONFIG || "/home/bear/.openclaw/openclaw.json";
export const SWARM_TASKS_FILE = process.env.SWARM_TASKS_FILE || "/app/swarm/active-tasks.json";
export const SWARM_REPO_MAP_FILE = process.env.SWARM_REPO_MAP_FILE || "/app/swarm/repo-map.json";
export const SWARM_WORKTREES_DIR = process.env.SWARM_WORKTREES_DIR || "/app/swarm/worktrees";
export const REPO_ACCESS_ROOTS = (process.env.REPO_ACCESS_ROOTS || "/srv/apps,/home/bear")
  .split(",")
  .map((entry) => entry.trim())
  .filter(Boolean);
export const ZEROCLAW_PRIMARY_DIR = process.env.ZEROCLAW_PRIMARY_DIR || "/app/zeroclaw/grizzley";
export const ZEROCLAW_CONTROL_DIR = process.env.ZEROCLAW_CONTROL_DIR || "/app/zeroclaw/ice";
export const ZEROCLAW_WEBHOOK_TIMEOUT_MS = Number(process.env.ZEROCLAW_WEBHOOK_TIMEOUT_MS || "15000");

const CONFIG_DIR = path.join(process.cwd(), "config");
const FLEET_CONFIG_PATH = path.join(CONFIG_DIR, "fleet.json");
const TASK_TEMPLATE_PATH = path.join(CONFIG_DIR, "task-templates.json");

function readJsonFile<T>(filePath: string, fallback: T): T {
  try {
    return JSON.parse(fs.readFileSync(filePath, "utf8")) as T;
  } catch {
    return fallback;
  }
}

export const FLEET_CONFIG = readJsonFile<FleetConfig>(FLEET_CONFIG_PATH, {
  title: "Claw Fleet Architecture",
  overview: [],
  topologyDiagram: "",
  sections: [],
  zeroclawAgents: [],
});

export const TASK_TEMPLATES = readJsonFile<TaskTemplate[]>(TASK_TEMPLATE_PATH, []);

export const ARCHITECTURE_DOCUMENT = {
  generatedAt: new Date().toISOString(),
  title: FLEET_CONFIG.title,
  overview: FLEET_CONFIG.overview,
  sections: FLEET_CONFIG.sections,
  topologyDiagram: FLEET_CONFIG.topologyDiagram,
};