import express from 'express';
import { Computer, Computers } from '../Classes/Computer';

const router = express.Router();

// GET all computers
router.get('/', async (req, res) => {
    const computers = new Computers();
        await computers.getAll();
    try {
        res.status(200).json(computers);
    } catch (error) {
        res.status(500).json({ error: 'Internal Server Error' });
    }
});

// GET a computer by ID
router.get('/:id', async (req, res) => {
    try {
        const computer = new Computer();
        await computer.get(req.params.id);
        if (computer.brand === null) {
            res.status(404).json({ error: 'Computer not found' });
        } else {
            res.status(200).json(computer);
        }
    } catch (error) {
        res.status(500).json({ error: 'Internal Server Error' });
    }
});

// POST a new computer
router.post('/', async (req, res) => {
    try {
        const { brand, model, state, status } = req.body;
        if ((!brand || brand == "") || (!model || model == "" ) || (!state || state == "" ) || (!status || status == "" )) {
            res.status(400).json({ error: 'Bad Request' });
        }
        const dateOfEntry = req.body.dateOfEntry || null;
        const computer = new Computer(null, brand, model, state, dateOfEntry, status);
        await computer.create();
        res.status(201).json({ message: 'Computer created successfully' });
    } catch (error) {
        res.status(500).json({ error: 'Internal Server Error' });
    }
});

// PUT (update) a computer by ID
router.put('/:id', async (req, res) => {
    try {
        const computer = new Computer();
        await computer.get(req.params.id);
        if (computer.brand === null) {
            res.status(404).json({ error: 'Computer not found' });
        }
        const { brand, model, state, dateOfEntry, status } = req.body;
        computer.brand = brand;
        computer.model = model;
        computer.state = state;
        computer.dateOfEntry = dateOfEntry;
        computer.status = status;
        await computer.update();
        res.status(200).json({ message: 'Computer updated successfully' });
    } catch (error) {
        res.status(500).json({ error: 'Internal Server Error' });
    }
});

// DELETE a computer by ID
router.delete('/:id', async (req, res) => {
    try {
        const computer = new Computer();
        await computer.get(req.params.id);
        if (computer.brand === null) {
            res.status(404).json({ error: 'Computer not found' });
        }
        await computer.delete();
        res.status(200).json({ message: 'Computer deleted successfully' });
    } catch (error) {
        res.status(500).json({ error: 'Internal Server Error' });
    }
});

export default router;