<?php

use CRM_TwingleCampaign_ExtensionUtil as E;
use CRM_TwingleCampaign_Utils_ExtensionCache as Cache;
use CRM_TwingleCampaign_Utils_MatomoSnippet as MatomoSnippet;

/**
 * TwingleForm.Get API specification (optional)
 * This is used for documentation and validation.
 *
 * @param array $spec description of fields supported by this API call
 *
 * @see https://docs.civicrm.org/dev/en/latest/framework/api-architecture/
 */
function _civicrm_api3_twingle_form_Get_spec(array &$spec) {
  $spec['id'] = [
    'name'         => 'id',
    'title'        => E::ts('Campaign ID'),
    'type'         => CRM_Utils_Type::T_INT,
    'api.required' => 0,
    'description'  => E::ts('The campaign ID'),
  ];
  $spec['twingle_project_id'] = [
    'name'         => 'twingle_project_id',
    'title'        => E::ts('TwingleProject ID'),
    'type'         => CRM_Utils_Type::T_INT,
    'api.required' => 0,
    'description'  => E::ts('ID of the TwingleProject campaign'),
  ];
  $spec['name'] = [
    'name'         => 'name',
    'title'        => E::ts('TwingleProject name'),
    'type'         => CRM_Utils_Type::T_STRING,
    'api.required' => 0,
    'description'  => E::ts('Name of the TwingleProject campaign'),
  ];
  $spec['title'] = [
    'name'         => 'title',
    'title'        => E::ts('TwingleProject title'),
    'type'         => CRM_Utils_Type::T_STRING,
    'api.required' => 0,
    'description'  => E::ts('Title of the TwingleProject campaign'),
  ];
  $spec['twingle_project_type'] = [
    'name'         => 'twingle_project_type',
    'title'        => E::ts('TwingleProject type'),
    'type'         => CRM_Utils_Type::T_STRING,
    'api.required' => 0,
    'description'  => E::ts('Project type can be default, event or membership'),
  ];
}

/**
 * TwingleForm.Get API
 *
 * @param array $params
 *
 * @return array
 *   API result descriptor
 *
 * @throws API_Exception
 * @see civicrm_api3_create_success
 *
 */
function civicrm_api3_twingle_form_Get(array $params): array {

  // filter parameters
  $allowed_params = [];
  _civicrm_api3_twingle_form_Get_spec($allowed_params);
  $params = array_intersect_key($params, $allowed_params);

  $returnValues = [];

  // Get custom fields
  $custom_field_mapping = Cache::getInstance()->getCustomFieldMapping();

  // Replace twingle_project_id key with custom field name
  if (key_exists('twingle_project_id', $params)) {
    $params[$custom_field_mapping['twingle_project_id']] =
      $params['twingle_project_id'];
    unset($params['twingle_project_id']);
  }

  // Replace twingle_project_type key with custom field name
  if (key_exists('twingle_project_type', $params)) {
    $params[$custom_field_mapping['twingle_project_type']] =
      $params['twingle_project_type'];
    unset($params['twingle_project_type']);
  }

  // Set query parameters
  $query = [
    'campaign_type_id' => "twingle_project",
    'is_active' => 1,
    'options' => ['limit' => 0]
  ];

  $query = array_merge($params, $query);

  try {
    $result = civicrm_api3('Campaign', 'get', $query);

    if ($result['is_error'] == 0) {
      foreach($result['values'] as $value) {
        $returnValues[$value['id']] =
          [
            'id' => $value['id'],
            'twingle_project_id' => $value[$custom_field_mapping['twingle_project_id']],
            'title' => $value['title'],
            'name' => $value['name'],
            'project_type' => $value[$custom_field_mapping['twingle_project_type']],
            'counter' => $value[$custom_field_mapping['twingle_project_counter']]
          ];
        $matomo_integration_enabled = Civi::settings()->get('twinglecampaign_matomo_integration', False);
        switch ($value[$custom_field_mapping['twingle_project_type']]) {
          case 'event':
            if ($matomo_integration_enabled) {
              $returnValues[$value['id']]['embed_code'] =
                MatomoSnippet::append_code(
                  $value[$custom_field_mapping['twingle_project_eventall']],
                  MatomoSnippet::get_event_tracker()
                );
            }
            else {
              $returnValues[$value['id']]['embed_code'] =
                $value[$custom_field_mapping['twingle_project_eventall']];
            }
            break;
          case 'shop':
            if ($matomo_integration_enabled) {
              $returnValues[$value['id']]['embed_code'] =
                MatomoSnippet::append_code(
                  $value[$custom_field_mapping['twingle_project_widget']],
                  MatomoSnippet::get_ecommerce_tracker()
                );
            }
            else {
              $returnValues[$value['id']]['embed_code'] =
                $value[$custom_field_mapping['twingle_project_widget']];
            }
            break;
          default:
            if ($matomo_integration_enabled) {
              $returnValues[$value['id']]['embed_code'] =
                MatomoSnippet::append_code(
                  $value[$custom_field_mapping['twingle_project_widget']],
                  MatomoSnippet::get_event_tracker()
                );
            }
            else {
              $returnValues[$value['id']]['embed_code'] =
                $value[$custom_field_mapping['twingle_project_widget']];
            }
        }
      }

      return civicrm_api3_create_success($returnValues, $query, 'TwingleForm', 'Get');
    }
    else {
      return civicrm_api3_create_error($result['message']);
    }
  } catch (Exception $e) {
    throw new API_Exception($e->getMessage());
  }
}