<?php
defined('BASEPATH') OR exit('No direct script access allowed');

class DynamicForm extends CI_Controller
{
    public function __construct()
    {
        parent::__construct();

        // 👉 ICI : chargement de la base de données
        $this->load->database();

        // chargements nécessaires
        $this->load->model('Form_fields_model');
        $this->load->library('form_validation');
        $this->load->helper(['form', 'url']);
    }

    public function show($form_key)
    {
        $fields = $this->Form_fields_model->get_active_fields($form_key);

        if (empty($fields)) {
            show_error('Formulaire introuvable', 404);
        }

        foreach ($fields as $f) {
            if (!empty($f['rules'])) {
                $this->form_validation->set_rules(
                    $f['name'],
                    $f['label'],
                    $f['rules']
                );
            }
        }

        $this->load->view('dynamic_form', [
            'form_key' => $form_key,
            'fields'   => $fields
        ]);
    }

    public function submit($form_key)
    {
        $fields = $this->Form_fields_model->get_active_fields($form_key);

        foreach ($fields as $f) {
            if (!empty($f['rules'])) {
                $this->form_validation->set_rules(
                    $f['name'],
                    $f['label'],
                    $f['rules']
                );
            }
        }

        if ($this->form_validation->run() === FALSE) {
            $this->show($form_key);
            return;
        }

        // 👇 ICI on sauvegarde
        $data = [];
        foreach ($fields as $f) {
            $name = $f['name'];
            $data[$name] = $this->input->post($name);
        }

        $this->db->insert('form_data_test', [
            'form_key' => $form_key,
            'data'     => json_encode($data, JSON_UNESCAPED_UNICODE)
        ]);

        echo 'OK : données sauvegardées';
        exit;
    }

}