const express = require('express');
const router = express.Router();
const pool = require('../db');


// GET ALL DOMAINS
router.get('/', async (req, res) => {
  try {
    const [rows] = await pool.query(`
      SELECT 
        d.id,
        d.domain_name,
        d.provider,
        d.ip_address,
        d.yearly_cost,
        d.notes,
        r.name AS resource_name
      FROM domains d
      LEFT JOIN resource_ips ip ON d.ip_address = ip.ip
      LEFT JOIN resources r ON ip.resource_id = r.id
      ORDER BY d.domain_name
    `);

    res.json(rows);

  } catch (err) {
    console.error("GET domains error:", err);
    res.status(500).json({ error: "DB error" });
  }
});


// GET SINGLE DOMAIN
router.get('/:id', async (req, res) => {
  try {
    const [rows] = await pool.query(
      `SELECT * FROM domains WHERE id = ?`,
      [req.params.id]
    );

    if (rows.length === 0) {
      return res.status(404).json({ error: "Domain not found" });
    }

    res.json(rows[0]);

  } catch (err) {
    console.error("GET domain error:", err);
    res.status(500).json({ error: "DB error" });
  }
});


// CREATE DOMAIN
router.post('/', async (req, res) => {
  try {
    const { domain_name, provider, ip_address, yearly_cost, notes } = req.body;

    const [result] = await pool.query(
      `INSERT INTO domains 
      (domain_name, provider, ip_address, yearly_cost, notes)
      VALUES (?, ?, ?, ?, ?)`,
      [domain_name, provider, ip_address, yearly_cost, notes]
    );

    res.json({
      message: "Domain created",
      id: result.insertId
    });

  } catch (err) {
    console.error("CREATE domain error:", err);
    res.status(500).json({ error: "DB error" });
  }
});


// UPDATE DOMAIN
router.put('/:id', async (req, res) => {
  try {
    const { domain_name, provider, ip_address, yearly_cost, notes } = req.body;

    await pool.query(
      `UPDATE domains SET
        domain_name = ?,
        provider = ?,
        ip_address = ?,
        yearly_cost = ?,
        notes = ?
      WHERE id = ?`,
      [domain_name, provider, ip_address, yearly_cost, notes, req.params.id]
    );

    res.json({ message: "Domain updated" });

  } catch (err) {
    console.error("UPDATE domain error:", err);
    res.status(500).json({ error: "DB error" });
  }
});


// DELETE DOMAIN
router.delete('/:id', async (req, res) => {
  try {
    await pool.query(
      `DELETE FROM domains WHERE id = ?`,
      [req.params.id]
    );

    res.json({ message: "Domain deleted" });

  } catch (err) {
    console.error("DELETE domain error:", err);
    res.status(500).json({ error: "DB error" });
  }
});


module.exports = router;