const express = require('express');
const router = express.Router();
const { getDatabase } = require('../db/init');

// GET all health records for a dog
router.get('/dog/:dogId', (req, res) => {
  try {
    const db = getDatabase();
    const records = db.prepare(`
      SELECT * FROM health_records 
      WHERE dog_id = ? 
      ORDER BY test_date DESC
    `).all(req.params.dogId);
    
    res.json(records);
  } catch (error) {
    res.status(500).json({ error: error.message });
  }
});

// GET single health record
router.get('/:id', (req, res) => {
  try {
    const db = getDatabase();
    const record = db.prepare('SELECT * FROM health_records WHERE id = ?').get(req.params.id);
    
    if (!record) {
      return res.status(404).json({ error: 'Health record not found' });
    }
    
    res.json(record);
  } catch (error) {
    res.status(500).json({ error: error.message });
  }
});

// POST create health record
router.post('/', (req, res) => {
  try {
    const { dog_id, record_type, test_name, test_date, result, document_url, notes } = req.body;
    
    if (!dog_id || !record_type || !test_date) {
      return res.status(400).json({ error: 'Dog ID, record type, and test date are required' });
    }
    
    const db = getDatabase();
    const dbResult = db.prepare(`
      INSERT INTO health_records (dog_id, record_type, test_name, test_date, result, document_url, notes)
      VALUES (?, ?, ?, ?, ?, ?, ?)
    `).run(dog_id, record_type, test_name, test_date, result, document_url, notes);
    
    const record = db.prepare('SELECT * FROM health_records WHERE id = ?').get(dbResult.lastInsertRowid);
    
    res.status(201).json(record);
  } catch (error) {
    res.status(500).json({ error: error.message });
  }
});

// PUT update health record
router.put('/:id', (req, res) => {
  try {
    const { record_type, test_name, test_date, result, document_url, notes } = req.body;
    
    const db = getDatabase();
    db.prepare(`
      UPDATE health_records 
      SET record_type = ?, test_name = ?, test_date = ?, result = ?, document_url = ?, notes = ?
      WHERE id = ?
    `).run(record_type, test_name, test_date, result, document_url, notes, req.params.id);
    
    const record = db.prepare('SELECT * FROM health_records WHERE id = ?').get(req.params.id);
    res.json(record);
  } catch (error) {
    res.status(500).json({ error: error.message });
  }
});

// DELETE health record
router.delete('/:id', (req, res) => {
  try {
    const db = getDatabase();
    db.prepare('DELETE FROM health_records WHERE id = ?').run(req.params.id);
    res.json({ message: 'Health record deleted successfully' });
  } catch (error) {
    res.status(500).json({ error: error.message });
  }
});

module.exports = router;