import fs from "node:fs";
import { homedir } from "node:os";
import { join } from "node:path";
import type { Store } from "tough-cookie";

import FileCookieStore from "./fileCookieStore.js";

const configDir = join(homedir(), ".af");

export function getCookieStore(hostname: string): Store {
	if (!fs.existsSync(configDir)) {
		fs.mkdirSync(configDir, { recursive: true });
	}
	const file = join(configDir, `${hostname.replace(/[^a-z0-9]+/gi, "_")}-cookies.json`);
	return new FileCookieStore(file);
}

async function loadKeytar() {
	try {
		// @ts-expect-error
		const mod = await import("keytar");
		return mod.default ?? mod;
	} catch {
		return undefined;
	}
}

export async function savePassword(host: string, username: string, password: string) {
	const keytar = await loadKeytar();
	if (keytar) {
		try {
			await keytar.setPassword("appframe-cli", `${username}@${host}`, password);
			return;
		} catch {
			// ignore
		}
	}
	const path = join(configDir, "credentials.json");
	let data: Record<string, string> = {};
	try {
		data = JSON.parse(fs.readFileSync(path, "utf-8"));
	} catch {}
	data[`${username}@${host}`] = password;
	fs.writeFileSync(path, JSON.stringify(data));
}

export async function getSavedPassword(host: string, username: string): Promise<string | undefined> {
	const keytar = await loadKeytar();
	if (keytar) {
		try {
			return (await keytar.getPassword("appframe-cli", `${username}@${host}`)) ?? undefined;
		} catch {
			/* ignore */
		}
	}
	try {
		const path = join(configDir, "credentials.json");
		const data: Record<string, string> = JSON.parse(fs.readFileSync(path, "utf-8"));
		return data[`${username}@${host}`];
	} catch {
		return undefined;
	}
}