// routes/api.js
const express = require('express');
const router = express.Router();

const db = require('../db'); // Assurez-vous d'importer le fichier db.js
const path = require('path');
const fs = require('fs');

/**
 * @swagger
 * /itemsdb:
 *   get:
 *     description: Use to request all items from the database
 *     responses:
 *       200:
 *         description: A successful response
 *       500:
 *         description: Internal server error
 */
router.get('/itemsdb', (req, res) => {
  const query = 'SELECT * FROM public.projets';
  res.setHeader('Access-Control-Allow-Origin', 'http://localhost:5500');
  res.setHeader('Access-Control-Allow-Methods', 'GET, POST, PUT, DELETE');
  res.setHeader('Access-Control-Allow-Headers', 'Content-Type');
  db.query(query, (err, results) => {
    if (err) {
      console.error('Erreur lors de la récupération des projets:', err);
      return res.status(500).json({ error: 'Erreur serveur' });
    }
    res.json(results.rows);
  });
});

/**
 * @swagger
 * /images/{id}:
 *   get:
 *     description: Use to request images by project ID
 *     parameters:
 *       - in: path
 *         name: id
 *         required: true
 *         description: Numeric ID of the project to retrieve images for.
 *         schema:
 *           type: integer
 *     responses:
 *       200:
 *         description: A successful response
 *       500:
 *         description: Internal server error
 */
router.get('/images/:id', (req, res) => {
  const projectId = req.params.id;
  const query = 'SELECT * FROM public.images WHERE id_projet = $1';
  res.setHeader('Access-Control-Allow-Origin', 'http://localhost:5500');
  res.setHeader('Access-Control-Allow-Methods', 'GET, POST, PUT, DELETE');
  res.setHeader('Access-Control-Allow-Headers', 'Content-Type');
  db.query(query, [projectId], (err, results) => {
    if (err) {
      console.error('Erreur lors de la récupération des images:', err);
      return res.status(500).json({ error: 'Erreur serveur' });
    }
    res.json(results.rows);
  });
});

/**
 * @swagger
 * /videos/{id}:
 *   get:
 *     description: Use to request videos by project ID
 *     parameters:
 *       - in: path
 *         name: id
 *         required: true
 *         description: Numeric ID of the project to retrieve videos for.
 *         schema:
 *           type: integer
 *     responses:
 *       200:
 *         description: A successful response
 *       500:
 *         description: Internal server error
 */
router.get('/videos/:id', (req, res) => {
  const projectId = req.params.id;
  const query = 'SELECT * FROM public.videos WHERE id_projet = $1';
  res.setHeader('Access-Control-Allow-Origin', 'http://localhost:5500');
  res.setHeader('Access-Control-Allow-Methods', 'GET, POST, PUT, DELETE');
  res.setHeader('Access-Control-Allow-Headers', 'Content-Type');
  db.query(query, [projectId], (err, results) => {
    if (err) {
      console.error('Erreur lors de la récupération des vidéos:', err);
      return res.status(500).json({ error: 'Erreur serveur' });
    }
    res.json(results.rows);
  });
});


/**
 * @swagger
 * /metric/{id}:
 *   get:
 *     description: Use to request metrics by project ID
 *     parameters:
 *       - in: path
 *         name: id
 *         required: true
 *         description: Numeric ID of the project to retrieve metrics for.
 *         schema:
 *           type: integer
 *     responses:
 *       200:
 *         description: A successful response
 *       500:
 *         description: Internal server error
 */
router.get('/metric/:id', (req, res) => {
  const projectId = req.params.id;
  const query = 'SELECT * FROM public.metrique WHERE id_projet = $1';
  res.setHeader('Access-Control-Allow-Origin', 'http://localhost:5500');
  res.setHeader('Access-Control-Allow-Methods', 'GET, POST, PUT, DELETE');
  res.setHeader('Access-Control-Allow-Headers', 'Content-Type');
  db.query(query, [projectId], (err, results) => {
    if (err) {
      console.error('Erreur lors de la récupération des métriques:', err);
      return res.status(500).json({ error: 'Erreur serveur' });
    }
    res.json(results.rows);
  });
});

/**
 * @swagger
 * /items:
 *   get:
 *     description: Use to request all items
 *     responses:
 *       200:
 *         description: A successful response
 */
router.get('/items', (req, res) => {
  res.json([{ id: 1, name: 'Item 1' }, { id: 2, name: 'Item 2' }]);
});

/**
 * @swagger
 * /items_recever:
 *   post:
 *     description: Use to receive items
 *     responses:
 *       200:
 *         description: A successful response
 */
router.post('/items_recever', (req, res) => {
  console.log(req.body);
});

/**
 * @swagger
 * /items/{id}:
 *   get:
 *     description: Use to request a specific item by id
 *     parameters:
 *       - in: path
 *         name: id
 *         required: true
 *         description: Numeric ID of the item to retrieve.
 *         schema:
 *           type: integer
 *     responses:
 *       200:
 *         description: A successful response
 */
router.get('/items/:id', (req, res) => {
  const itemId = req.params.id;
  res.json({ id: itemId, name: `Item ${itemId}` });
});

/**
 * @swagger
 * /items:
 *   post:
 *     description: Use to create a new item
 *     responses:
 *       200:
 *         description: A successful response
 */
router.post('/items', (req, res) => {
  const newItem = req.body;
  res.json({ message: 'Nouvel élément créé', data: newItem });
});

/**
 * @swagger
 * /items/{id}:
 *   put:
 *     description: Use to update a specific item by id
 *     parameters:
 *       - in: path
 *         name: id
 *         required: true
 *         description: Numeric ID of the item to update.
 *         schema:
 *           type: integer
 *     responses:
 *       200:
 *         description: A successful response
 */
router.put('/items/:id', (req, res) => {
  const itemId = req.params.id;
  const updatedItem = req.body;
  res.json({ message: `Élément avec l'ID ${itemId} mis à jour`, data: updatedItem });
});

/**
 * @swagger
 * /items/{id}:
 *   delete:
 *     description: Use to delete a specific item by id
 *     parameters:
 *       - in: path
 *         name: id
 *         required: true
 *         description: Numeric ID of the item to delete.
 *         schema:
 *           type: integer
 *     responses:
 *       200:
 *         description: A successful response
 */
router.delete('/items/:id', (req, res) => {
  const itemId = req.params.id;
  res.json({ message: `Élément avec l'ID ${itemId} supprimé` });
});

/**
 * @swagger
 * /projets:
 *   post:
 *     description: Use to add a new project with a name and id
 *     responses:
 *       201:
 *         description: Project added successfully
 *       500:
 *         description: Internal server error
 */
router.post('/projets', (req, res) => {
  // Requête d'insertion
  const query = 'INSERT INTO data.projets (name, id) VALUES ($1, $2) RETURNING id';
  db.query(query, [req.body.name, req.body.id], (err, results) => {
    if (err) {
      console.error('Erreur lors de l\'ajout du projet:', err);
      return res.status(500).json({ error: 'Erreur serveur' });
    }
    res.status(201).json({ message: 'Projet ajouté avec succès', id: results.rows[0].id });
  });
});

/**
 * @swagger
 * /delete:
 *   post:
 *     description: Use to delete a project by ID
 *     responses:
 *       200:
 *         description: Project deleted successfully
 *       404:
 *         description: No project found with this ID
 *       500:
 *         description: Internal server error
 */
router.post('/delete', (req, res) => {
  console.log("On entre dans la méthode")
  console.log(req.body.id)
  const id = req.body.id
  // Requête de suppression
  const query = 'DELETE FROM data.projets WHERE id = $1 RETURNING id';
  db.query(query, [req.body.id], (err, results) => {
    if (err) {
      console.error('Erreur lors de la suppression du projet:', err);
      return res.status(500).json({ error: 'Erreur serveur' });
    }
    if (results.rowCount === 0) {
      return res.status(404).json({ error: 'Aucun projet trouvé avec cet ID.' });
    }

    res.status(200).json({ message: 'Projet supprimé avec succès', id });
  });
});

/**
 * @swagger
 * /smile:
 *   get:
 *     description: Use to request the smile image
 *     responses:
 *       200:
 *         description: A successful response
 *       404:
 *         description: Image not found
 */
router.get('/smile', (req, res) => {
  res.setHeader('Access-Control-Allow-Origin', 'http://localhost:5500');
  res.setHeader('Access-Control-Allow-Methods', 'GET, POST, PUT, DELETE');
  res.setHeader('Access-Control-Allow-Headers', 'Content-Type');
  const imagePath = path.join('/storage/smile.jpg');
  fs.access(imagePath, fs.constants.F_OK, (err) => {
    if (err) {
      console.error('Image not found:', err);
      return res.status(404).json({ error: 'Image not found' });
    }
    res.sendFile(imagePath);
  });
});

module.exports = router;