#!/usr/bin/env node
import {
	cpSync,
	existsSync,
	mkdirSync,
	readFileSync,
	writeFileSync,
} from "node:fs";
import os from "node:os";
import { join, resolve } from "node:path";

const __dirname = import.meta.dirname;
const resourcesDir = resolve(__dirname, "..", "src", "resources");
const piRoot = join(os.homedir(), ".pi");
const piAgentDir = join(piRoot, "agent");

const copyDir = (name) => {
	const src = join(resourcesDir, name);
	const dest = join(piAgentDir, name);
	if (!existsSync(src)) return false;
	mkdirSync(dest, { recursive: true });
	cpSync(src, dest, { recursive: true, force: true });
	return true;
};

mkdirSync(piAgentDir, { recursive: true });

const copied = [];
if (copyDir("extensions")) copied.push("extensions");
if (copyDir("skills")) copied.push("skills");
if (copyDir("workflow-skills")) copied.push("workflow-skills");
if (copyDir("agents")) copied.push("agents");

const agentsMdSrc = join(resourcesDir, "AGENTS.md");
if (existsSync(agentsMdSrc)) {
	writeFileSync(join(piAgentDir, "AGENTS.md"), readFileSync(agentsMdSrc));
	copied.push("AGENTS.md");
}

const workflowSrc = join(resourcesDir, "SF-WORKFLOW.md");
if (existsSync(workflowSrc)) {
	writeFileSync(join(piRoot, "SF-WORKFLOW.md"), readFileSync(workflowSrc));
	copied.push("SF-WORKFLOW.md");
}

process.stdout.write(
	`Installed SF resources for pi in ${piRoot}\n` +
		`Copied: ${copied.join(", ")}\n` +
		`Extensions are now available under ${join(piAgentDir, "extensions")}\n`,
);