const fs = require("fs");
const path = require("path");

class ControllerBuilder {
  static build() {
    const config = require("./configuration.json");
    const controllerDir = path.join(__dirname, "release/controllers");

    // Create release/controllers directory
    if (!fs.existsSync(controllerDir))
      fs.mkdirSync(controllerDir, { recursive: true });

    config.model.forEach((model) => {
      const controllerCode = `const express = require('express');
const router = express.Router();
const model = require('../models/${model.name}.model.js');

// CREATE
router.post('/', async (req, res) => {
  try {
    const data = await model.create(req.body);
    res.status(201).json(data);
  } catch (error) {
    res.status(400).json({ error: error.message });
  }
});

// READ ALL
router.get('/', async (req, res) => {
  try {
    const data = await model.findAll();
    res.json(data);
  } catch (error) {
    res.status(500).json({ error: error.message });
  }
});

// UPDATE
router.put('/:id', async (req, res) => {
  try {
    const updated = await model.update(req.body, {
      where: { id: req.params.id }
    });
    if (updated[0] === 0) return res.status(404).json({ error: 'Not found' });
    res.json(await model.findByPk(req.params.id));
  } catch (error) {
    res.status(400).json({ error: error.message });
  }
});

// DELETE
router.delete('/:id', async (req, res) => {
  try {
    const deleted = await model.destroy({
      where: { id: req.params.id }
    });
    if (!deleted) return res.status(404).json({ error: 'Not found' });
    res.status(204).send();
  } catch (error) {
    res.status(500).json({ error: error.message });
  }
});

module.exports = router;`;

      fs.writeFileSync(
        path.join(controllerDir, `${model.name}.controller.js`),
        controllerCode
      );
    });
  }
}

module.exports = ControllerBuilder;