const { pool } = require('../config/databases');

exports.createEmplacement = async (req, res) => {
    const { name, type, temperature, capacity } = req.body;

    if (!name || !type) {
        return res.status(400).json({ message: 'Name and type are required.' });
    } else if (!temperature) {
        return res.status(400).json({ message: 'Temperature is required.' });
    } else if (!capacity) {
        return res.status(400).json({ message: 'Capacity is required.' });
    }

    try {
        const [result] = await pool.query('INSERT INTO emplacements (name, type, temperature, capacity) VALUES (?, ?, ?, ?)', [name, type, temperature, capacity]);

        res.status(201).json({
            message: 'Emplacement created successfully',
            emplacement: {
                id: result.insertId,
                name,
                type,
                temperature,
                capacity,
                created_at: new Date().toISOString(),
                updated_at: new Date().toISOString()
            }
        });
    } catch (error) {
        console.error(error);
        return res.status(500).json({ message: 'Server error while creating emplacement.' });
    }
}

exports.getEmplacements = async (req, res) => {
    try {
        const [rows] = await pool.query('SELECT * FROM emplacements');
        res.json(rows);
    } catch (error) {
        console.error(error);
        res.status(500).json({ message: 'Server error while fetching emplacements.' });
    }
}

exports.getEmplacementById = async (req, res) => {
    const { id } = req.params;

    try {
        const [rows] = await pool.query('SELECT * FROM emplacements WHERE id = ?', [id]);

        if (rows.length === 0) {
            return res.status(404).json({ message: 'Emplacement not found.' });
        }

        res.json(rows[0]);
    } catch (error) {
        console.error(error);
        res.status(500).json({ message: 'Server error while fetching emplacement.' });
    }
}

exports.updateEmplacement = async (req, res) => {
    const { id } = req.params;
    const { name, type, temperature, capacity } = req.body;

    if (!name || !type || !temperature || !capacity) {
        return res.status(400).json({ message: 'All fields are required.' });
    }

    try {
        const [result] = await pool.query('UPDATE emplacements SET name = ?, type = ?, temperature = ?, capacity = ? WHERE id = ?', [name, type, temperature, capacity, id]);

        if (result.affectedRows === 0) {
            return res.status(404).json({ message: 'Emplacement not found.' });
        }

        res.json({ message: 'Emplacement updated successfully' });
    } catch (error) {
        console.error(error);
        res.status(500).json({ message: 'Server error while updating emplacement.' });
    }
}