const pool = require('../config/db');

exports.getLogs = async (req, res) => {
  try {
    const page = Math.max(1, parseInt(req.query.page) || 1);
    const limit = Math.min(100, Math.max(10, parseInt(req.query.limit) || 50));
    const offset = (page - 1) * limit;
    const actionFilter = req.query.action || '';

    let where = '';
    const params = [];
    if (actionFilter) {
      where = 'WHERE al.action LIKE ?';
      params.push(`%${actionFilter}%`);
    }

    const [countRows] = await pool.query(
      `SELECT COUNT(*) AS total FROM activity_logs al ${where}`, params
    );
    const total = countRows[0].total;

    const [rows] = await pool.query(
      `SELECT al.* FROM activity_logs al ${where} ORDER BY al.created_at DESC LIMIT ? OFFSET ?`,
      [...params, limit, offset]
    );

    res.json({ logs: rows, total, page, limit, pages: Math.ceil(total / limit) });
  } catch (err) {
    console.error(err);
    res.status(500).json({ error: 'Erreur' });
  }
};