<?php
namespace controls;

class CampaignTerms
{
  static public function main_view()
  {
    return \Tpl::view( 'campaign_terms/main_view', [
      'clients' => \factory\Campaigns::get_clients(),
    ] );
  }

  static public function get_campaigns_list()
  {
    $client_id = (int) \S::get( 'client_id' );
    echo json_encode( [ 'campaigns' => \factory\Campaigns::get_campaigns_list( $client_id ) ] );
    exit;
  }

  static public function get_campaign_ad_groups()
  {
    $campaign_id = (int) \S::get( 'campaign_id' );

    if ( $campaign_id <= 0 )
    {
      echo json_encode( [ 'ad_groups' => [] ] );
      exit;
    }

    echo json_encode( [ 'ad_groups' => \factory\Campaigns::get_campaign_ad_groups( $campaign_id ) ] );
    exit;
  }

  static public function get_campaign_phrase_details()
  {
    $campaign_id = (int) \S::get( 'campaign_id' );
    $ad_group_id = (int) \S::get( 'ad_group_id' );

    if ( $campaign_id <= 0 )
    {
      echo json_encode( [ 'search_terms' => [], 'negative_keywords' => [] ] );
      exit;
    }

    echo json_encode( [
      'search_terms' => \factory\Campaigns::get_campaign_search_terms( $campaign_id, $ad_group_id ),
      'negative_keywords' => \factory\Campaigns::get_campaign_negative_keywords( $campaign_id, $ad_group_id )
    ] );
    exit;
  }

  static public function add_negative_keyword()
  {
    $search_term_id = (int) \S::get( 'search_term_id' );
    $match_type = strtoupper( trim( (string) \S::get( 'match_type' ) ) );
    $scope = strtolower( trim( (string) \S::get( 'scope' ) ) );

    if ( $search_term_id <= 0 )
    {
      echo json_encode( [ 'success' => false, 'message' => 'Nie podano frazy do wykluczenia.' ] );
      exit;
    }

    if ( !in_array( $match_type, [ 'PHRASE', 'EXACT', 'BROAD' ], true ) )
    {
      $match_type = 'PHRASE';
    }
    if ( !in_array( $scope, [ 'campaign', 'ad_group' ], true ) )
    {
      $scope = 'campaign';
    }

    $context = \factory\Campaigns::get_search_term_context( $search_term_id );
    if ( !$context )
    {
      echo json_encode( [ 'success' => false, 'message' => 'Nie znaleziono danych frazy.' ] );
      exit;
    }

    $customer_id = trim( (string) ( $context['google_ads_customer_id'] ?? '' ) );
    $campaign_external_id = trim( (string) ( $context['external_campaign_id'] ?? '' ) );
    $ad_group_external_id = trim( (string) ( $context['external_ad_group_id'] ?? '' ) );
    $keyword_text = trim( (string) ( $context['search_term'] ?? '' ) );

    $missing_data = ( $customer_id === '' || $keyword_text === '' );
    if ( $scope === 'campaign' && $campaign_external_id === '' )
    {
      $missing_data = true;
    }
    if ( $scope === 'ad_group' && $ad_group_external_id === '' )
    {
      $missing_data = true;
    }

    if ( $missing_data )
    {
      echo json_encode( [
        'success' => false,
        'message' => 'Brak wymaganych danych Google Ads dla tej frazy.',
        'debug' => [
          'customer_id' => $customer_id,
          'campaign_external_id' => $campaign_external_id,
          'ad_group_external_id' => $ad_group_external_id,
          'keyword_text' => $keyword_text,
          'scope' => $scope,
          'context' => $context
        ]
      ] );
      exit;
    }

    $api = new \services\GoogleAdsApi();
    if ( !$api -> is_configured() )
    {
      echo json_encode( [ 'success' => false, 'message' => 'Google Ads API nie jest skonfigurowane.' ] );
      exit;
    }

    if ( $scope === 'campaign' )
    {
      $api_result = $api -> add_negative_keyword_to_campaign( $customer_id, $campaign_external_id, $keyword_text, $match_type );
    }
    else
    {
      $api_result = $api -> add_negative_keyword_to_ad_group( $customer_id, $ad_group_external_id, $keyword_text, $match_type );
    }

    if ( !( $api_result['success'] ?? false ) )
    {
      $last_error = \services\GoogleAdsApi::get_setting( 'google_ads_last_error' );
      echo json_encode( [
        'success' => false,
        'message' => 'Nie udalo sie zapisac frazy wykluczajacej w Google Ads.',
        'error' => $last_error,
        'debug' => [
          'customer_id' => $customer_id,
          'campaign_external_id' => $campaign_external_id,
          'ad_group_external_id' => $ad_group_external_id,
          'keyword_text' => $keyword_text,
          'match_type' => $match_type,
          'scope' => $scope,
          'api_result' => $api_result
        ]
      ] );
      exit;
    }

    \factory\Campaigns::upsert_campaign_negative_keyword(
      (int) $context['db_campaign_id'],
      $scope === 'campaign' ? null : (int) $context['db_ad_group_id'],
      $scope,
      $keyword_text,
      $match_type
    );

    $scope_label = $scope === 'campaign' ? 'kampanii' : 'grupy reklam';

    echo json_encode( [
      'success' => true,
      'message' => ( $api_result['duplicate'] ?? false ) ? 'Fraza byla juz wykluczona na poziomie ' . $scope_label . '.' : 'Fraza zostala dodana do wykluczajacych na poziomie ' . $scope_label . '.',
      'duplicate' => (bool) ( $api_result['duplicate'] ?? false ),
      'match_type' => $match_type,
      'scope' => $scope,
      'debug' => [
        'customer_id' => $customer_id,
        'campaign_external_id' => $campaign_external_id,
        'ad_group_external_id' => $ad_group_external_id,
        'keyword_text' => $keyword_text,
        'scope' => $scope,
        'api_response' => $api_result['response'] ?? null,
        'sent_operation' => $api_result['sent_operation'] ?? null,
        'verification' => $api_result['verification'] ?? null
      ]
    ] );
    exit;
  }
}