invoicemgmt-1.0.0/src/Form/InvoiceMgmtSettingsForm.php

<?php

declare(strict_types=1);

namespace Drupal\invoicemgmt\Form;

use Drupal\Core\Form\ConfigFormBase;
use Drupal\Core\Form\FormStateInterface;
use Drupal\file\Entity\File;

/**
 * Configuration form for Invoice Management settings.
 */
final class InvoiceMgmtSettingsForm extends ConfigFormBase {

  /**
   * {@inheritdoc}
   */
  public function getFormId(): string {
    return 'invoicemgmt_settings';
  }

  /**
   * {@inheritdoc}
   */
  protected function getEditableConfigNames(): array {
    return ['invoicemgmt.settings'];
  }

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state): array {
    $config = $this->config('invoicemgmt.settings');

    $form['logo'] = [
      '#type' => 'managed_file',
      '#title' => $this->t('Logo'),
      '#description' => $this->t('Upload a logo for invoices.'),
      '#upload_location' => 'public://invoicemgmt/logos/',
      '#upload_validators' => [
        'FileExtension' => [
          'extensions' => 'png jpg jpeg gif',
        ],
        'FileSizeLimit' => [
          'fileLimit' => 2097152,
        ],
      ],
      '#default_value' => $config->get('logo') ? [$config->get('logo')] : [],
    ];

    $form['terms_conditions'] = [
      '#type' => 'textarea',
      '#title' => $this->t('Terms and Conditions'),
      '#description' => $this->t('Enter the terms and conditions text.'),
      '#default_value' => $config->get('terms_conditions'),
      '#rows' => 8,
    ];

    $form['bank_details'] = [
      '#type' => 'textarea',
      '#title' => $this->t('Bank Details'),
      '#description' => $this->t('Enter bank account details.'),
      '#default_value' => $config->get('bank_details'),
      '#rows' => 6,
    ];

    $form['currency'] = [
      '#type' => 'select',
      '#title' => $this->t('Currency'),
      '#description' => $this->t('Select the default currency for invoices.'),
      '#options' => [
        'GBP' => $this->t('GBP (£) - British Pound'),
        'USD' => $this->t('USD ($) - US Dollar'),
        'AED' => $this->t('AED (د.إ) - UAE Dirham'),
        'INR' => $this->t('INR (₹) - Indian Rupee'),
        'EUR' => $this->t('EUR (€) - Euro'),
      ],
      '#default_value' => $config->get('currency') ?: 'GBP',
      '#required' => TRUE,
    ];

    $form['seller_name'] = [
      '#type' => 'textfield',
      '#title' => $this->t('Seller Name'),
      '#description' => $this->t('Enter the seller/company name.'),
      '#default_value' => $config->get('seller_name'),
      '#maxlength' => 255,
      '#required' => TRUE,
    ];

    $form['seller_address'] = [
      '#type' => 'textarea',
      '#title' => $this->t('Seller Address'),
      '#description' => $this->t('Enter the seller/company address.'),
      '#default_value' => $config->get('seller_address'),
      '#rows' => 4,
      '#required' => TRUE,
    ];

    $form['invoice_number_prefix'] = [
      '#type' => 'textfield',
      '#title' => $this->t('Invoice Number Prefix'),
      '#description' => $this->t('Enter the prefix for invoice numbers (e.g., INV). Format will be: PREFIX-YYYYMM-UNIQUECODE'),
      '#default_value' => $config->get('invoice_number_prefix') ?: 'INV',
      '#maxlength' => 10,
      '#required' => TRUE,
    ];

    $form['footer_text'] = [
      '#type' => 'textarea',
      '#title' => $this->t('Footer Text'),
      '#description' => $this->t('Enter custom footer text for invoices (e.g., Thank you for your business!).'),
      '#default_value' => $config->get('footer_text') ?: 'Thank you for your business!',
      '#rows' => 3,
    ];

    $form['primary_color'] = [
      '#type' => 'color',
      '#title' => $this->t('Primary Color'),
      '#description' => $this->t('Choose the primary color for invoice header and elements.'),
      '#default_value' => $config->get('primary_color') ?: '#667eea',
    ];

    $form['secondary_color'] = [
      '#type' => 'color',
      '#title' => $this->t('Secondary Color'),
      '#description' => $this->t('Choose the secondary color for invoice header gradient.'),
      '#default_value' => $config->get('secondary_color') ?: '#764ba2',
    ];

    $form['accent_color'] = [
      '#type' => 'color',
      '#title' => $this->t('Accent Color'),
      '#description' => $this->t('Choose the accent color for highlights and borders.'),
      '#default_value' => $config->get('accent_color') ?: '#4299e1',
    ];

    return parent::buildForm($form, $form_state);
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state): void {
    $config = $this->config('invoicemgmt.settings');

    // Handle logo file.
    $logo_fid = NULL;
    $logo_upload = $form_state->getValue('logo');
    if (!empty($logo_upload[0])) {
      $file = File::load($logo_upload[0]);
      if ($file) {
        $file->setPermanent();
        $file->save();
        $logo_fid = $file->id();
      }
    }

    $config
      ->set('logo', $logo_fid)
      ->set('terms_conditions', $form_state->getValue('terms_conditions'))
      ->set('bank_details', $form_state->getValue('bank_details'))
      ->set('currency', $form_state->getValue('currency'))
      ->set('seller_name', $form_state->getValue('seller_name'))
      ->set('seller_address', $form_state->getValue('seller_address'))
      ->set('invoice_number_prefix', $form_state->getValue('invoice_number_prefix'))
      ->set('footer_text', $form_state->getValue('footer_text'))
      ->set('primary_color', $form_state->getValue('primary_color'))
      ->set('secondary_color', $form_state->getValue('secondary_color'))
      ->set('accent_color', $form_state->getValue('accent_color'))
      ->save();

    parent::submitForm($form, $form_state);
  }

}