<?php

namespace Drupal\upei_roblib_ill\Form;

use Drupal\Core\Form\FormBase;
use Drupal\Core\Form\FormStateInterface;

/**
 * Settings form for module
 *
 * @author ppound
 */
class RoblibIllSettingsForm extends FormBase
{

  /**
   * {@inheritdoc}
   */
  public function getFormId()
  {
    return 'roblib_ill_settings_form';
  }

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state)
  {
    $config = \Drupal::config('upei_roblib_ill.settings');

    $form = [];

    $form['ill_library_symbol'] = [
      '#required' => TRUE,
      '#type' => 'textfield',
      '#size' => 200,
      '#title' => t('Your ILL Library Symbol'),
      '#description' => t('Your Relais Library Symbol'),
      '#default_value' => $config->get('ill_library_symbol'),
    ];

    $form['ill_doi_openurl_pid'] = [
      '#required' => TRUE,
      '#type' => 'textfield',
      '#size' => 200,
      '#title' => t('OpenURL PID'),
      '#description' => t('An identifier to call yourself, for the OpenURL endpoint. To use this service you first need to register for an account here: http://www.crossref.org/requestaccount/'),
      '#default_value' => $config->get('ill_doi_openurl_pid'),
    ];
    $form['ill_contact_email'] = [
      '#required' => TRUE,
      '#type' => 'textfield',
      '#size' => 200,
      '#title' => t('Contact Email'),
      '#description' => t('The email address we want to show after a user has submitted an ILL request, Roblib uses ill@upei.ca'),
      '#default_value' => $config->get('ill_contact_email'),
    ];
    $form['ill_contact_phone'] = [
      '#required' => TRUE,
      '#type' => 'textfield',
      '#size' => 200,
      '#title' => t('Contact Phone Number'),
      '#description' => t('The phone number we want to show to the user after a user has submitted an ILL request, Roblib uses 902-566-0445'),
      '#default_value' => $config->get('ill_contact_phone'),
    ];

    // Evergreen Settings
    $form['evergreen_fieldset'] = [
      '#type' => 'fieldset',
      '#title' => t('Evergreen ILS Settings'),
      '#description' => t('Configuration for authenticating users against Evergreen.'),
    ];
    $form['evergreen_fieldset']['evergreen_api_url'] = [
      '#type' => 'url',
      '#title' => t('Evergreen API URL'),
      '#description' => t('The base URL of your Evergreen server (e.g. https://catalogue.example.com). Used for REST API patron lookups.'),
      '#default_value' => $config->get('evergreen_api_url'),
      '#size' => 200,
      '#required' => TRUE,
    ];
    $form['evergreen_fieldset']['evergreen_username'] = [
      '#type' => 'textfield',
      '#title' => t('Evergreen Staff Username'),
      '#description' => t('A staff username for authenticating with the Evergreen REST API.'),
      '#default_value' => $config->get('evergreen_username'),
      '#size' => 200,
      '#required' => TRUE,
    ];
    $form['evergreen_fieldset']['evergreen_password'] = [
      '#type' => 'password',
      '#title' => t('Evergreen Staff Password'),
      '#description' => t('The staff password for the Evergreen REST API. Leave blank to keep the existing value.'),
      '#size' => 200,
    ];

    // RapidILL settings.
    $form['rapid_ill_fieldset'] = [
      '#type' => 'fieldset',
      '#title' => t('RapidILL Settings'),
      '#description' => t('Credentials and configuration for submitting requests via RapidILL.'),
    ];
    $form['rapid_ill_fieldset']['rapid_ill_username'] = [
      '#type' => 'textfield',
      '#title' => t('RapidILL Username'),
      '#description' => t('Your RapidILL API username.'),
      '#default_value' => $config->get('rapid_ill_username'),
      '#size' => 200,
    ];
    $form['rapid_ill_fieldset']['rapid_ill_password'] = [
      '#type' => 'password',
      '#title' => t('RapidILL Password'),
      '#description' => t('Your RapidILL API password. Leave blank to keep the existing value.'),
      '#size' => 200,
    ];
    $form['rapid_ill_fieldset']['rapid_ill_code'] = [
      '#type' => 'textfield',
      '#title' => t('RapidILL Rapid Code'),
      '#description' => t('Your library Rapid code (e.g. YOUR_RAPID_CODE).'),
      '#default_value' => $config->get('rapid_ill_code'),
      '#size' => 200,
    ];
    $form['rapid_ill_fieldset']['rapid_ill_branch_name'] = [
      '#type' => 'textfield',
      '#title' => t('RapidILL Branch Name'),
      '#description' => t('Your library branch name (e.g. Main).'),
      '#default_value' => $config->get('rapid_ill_branch_name'),
      '#size' => 200,
    ];

    $form['actions']['submit'] = [
      '#type' => 'submit',
      '#value' => t('Save'),
      '#button_type' => 'primary',
    ];

    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function validateForm(array &$form, FormStateInterface $form_state)
  {

  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state)
  {
    $config = \Drupal::configFactory()->getEditable('upei_roblib_ill.settings');
    $config->set('ill_library_symbol', $form_state->getValue('ill_library_symbol'))->save();
    $config->set('ill_doi_openurl_pid', $form_state->getValue('ill_doi_openurl_pid'))->save();
    $config->set('ill_contact_email', $form_state->getValue('ill_contact_email'))->save();
    $config->set('ill_contact_phone', $form_state->getValue('ill_contact_phone'))->save();

    // Evergreen settings.
    $config->set('evergreen_api_url', rtrim($form_state->getValue('evergreen_api_url'), '/'))->save();
    $config->set('evergreen_username', $form_state->getValue('evergreen_username'))->save();
    $eg_password = $form_state->getValue('evergreen_password');
    if (!empty($eg_password)) {
      $config->set('evergreen_password', $eg_password)->save();
    }

    // RapidILL settings.
    $config->set('rapid_ill_username', $form_state->getValue('rapid_ill_username'))->save();
    // Only update the password if a new value was entered.
    $password = $form_state->getValue('rapid_ill_password');
    if (!empty($password)) {
      $config->set('rapid_ill_password', $password)->save();
    }
    $config->set('rapid_ill_code', $form_state->getValue('rapid_ill_code'))->save();
    $config->set('rapid_ill_branch_name', $form_state->getValue('rapid_ill_branch_name'))->save();
  }

}