import express from 'express';
import cors from 'cors';
import { ping, sendWolPacket } from './wol.js';
import targets from "./targets.json" with { type: "json" };
import { fileURLToPath } from "node:url";
import path from 'node:path';

const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);

const app = express();
const port = 9999;

app.use(cors()).use(express.json());

app.get("/targets", (req, res) => {
    res.json(targets);
});

app.post("/wake", (req, res) => {
    const { mac } = req.body;

    if(!mac) {
        return res.status(400).json({ status: 'error', message: 'MAC address required' });
    }

    sendWolPacket(mac)
    .then(() => res.json({ status: "ok" }))
    .catch(err => {
        console.error(err);
        res.status(500).json({ status: "error", message: "Failed to send WOL packet" })
    });
});

app.get("/wake", (req, res) => {
    const mac = req.query.mac;

    if(!mac) {
        return res.status(400).json({ status: 'error', message: 'MAC address required' });
    }

    sendWolPacket(mac)
    .then(() => res.json({ status: "ok" }))
    .catch(err => {
        console.error(err);
        res.status(500).json({ status: "error", message: "Failed to send WOL packet" });
    });
});

app.get("/wake/:name", (req, res) => {
    const target = targets[req.params.name];
    if (!target?.mac) {
        return res.status(404).json({ status: "error", message: "Unknown target" });
    }

    sendWolPacket(target.mac)
    .then(() => res.json({ status: "ok" }))
    .catch(err => {
        console.error(err);
        res.status(500).json({ status: "error", message: "Failed to send WOL packet" });
    });
});

app.get("/status/:name", (req, res) => {
    const target = targets[req.params.name];
    if (!target?.ip) {
        return res.json({ isUp: null });
    }
    
    ping(target.ip).then(isUp => res.json({ isUp }));
});

app.use(express.static(path.join(__dirname, 'public')));

app.listen(port, () => {
    console.log('WOL server running on port ' + port);
});