<?php
namespace controls;
class Products
{
  static public function get_client_bestseller_min_roas() {
    $client_id = \S::get( 'client_id' );

    $min_roas = \factory\Products::get_client_bestseller_min_roas( $client_id );

    if ( $min_roas )
    {
      echo json_encode( [ 'status' => 'ok', 'min_roas' => $min_roas ] );
    }
    else
      echo json_encode( [ 'status' => 'error' ] );
    exit;
  }

  static public function save_client_bestseller_min_roas() {
    $client_id = \S::get( 'client_id' );
    $min_roas = \S::get( 'min_roas' );

    if ( \factory\Products::save_client_bestseller_min_roas( $client_id, $min_roas ) )
    {
      echo json_encode( [ 'status' => 'ok' ] );
    }
    else
      echo json_encode( [ 'status' => 'error' ] );
    exit;
  }

  static public function main_view()
  {
    return \Tpl::view( 'products/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, true ) ] );
    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 comment_add()
  {
    $product_id = \S::get( 'product_id' );
    $date = \S::get( 'date' );
    $comment = \S::get( 'comment' );

    if ( \factory\Products::add_product_comment( $product_id, $comment, $date ) )
    {
      echo json_encode( [ 'status' => 'ok' ] );
    }
    else
      echo json_encode( [ 'status' => 'error' ] );
    exit;
  }

  static public function comment_delete()
  {
    $comment_id = \S::get( 'comment_id' );

    if ( \factory\Products::delete_product_comment( $comment_id ) )
    {
      echo json_encode( [ 'status' => 'ok' ] );
    }
    else
      echo json_encode( [ 'status' => 'error' ] );
    exit;
  }

  static public function get_product_data() {
    $product_id = \S::get( 'product_id' );

    $product_title = \factory\Products::get_product_data( $product_id, 'title' );
    $product_description = \factory\Products::get_product_data( $product_id, 'description' );
    $google_product_category = \factory\Products::get_product_data( $product_id, 'google_product_category' );
    $product_url = \factory\Products::get_product_data( $product_id, 'product_url' );

    echo json_encode( [ 'status' => 'ok', 'product_details' => [
      'title' => $product_title,
      'description' => $product_description,
      'google_product_category' => $google_product_category,
      'product_url' => $product_url
    ] ] );
    exit;
  }

  static public function ai_suggest()
  {
    $product_id = \S::get( 'product_id' );
    $field = \S::get( 'field' );
    $provider = \S::get( 'provider' ) ?: 'openai';

    if ( $provider === 'claude' )
    {
      if ( \services\GoogleAdsApi::get_setting( 'claude_enabled' ) === '0' )
      {
        echo json_encode( [ 'status' => 'error', 'message' => 'Claude jest wyłączony. Włącz go w Ustawieniach.' ] );
        exit;
      }
      if ( !\services\ClaudeApi::is_configured() )
      {
        echo json_encode( [ 'status' => 'error', 'message' => 'Klucz API Claude nie jest skonfigurowany. Przejdź do Ustawień.' ] );
        exit;
      }
    }
    else
    {
      if ( \services\GoogleAdsApi::get_setting( 'openai_enabled' ) === '0' )
      {
        echo json_encode( [ 'status' => 'error', 'message' => 'OpenAI jest wyłączony. Włącz go w Ustawieniach.' ] );
        exit;
      }
      if ( !\services\OpenAiApi::is_configured() )
      {
        echo json_encode( [ 'status' => 'error', 'message' => 'Klucz API OpenAI nie jest skonfigurowany. Przejdź do Ustawień.' ] );
        exit;
      }
    }

    $product = \factory\Products::get_product_full_context( $product_id );
    if ( !$product )
    {
      echo json_encode( [ 'status' => 'error', 'message' => 'Nie znaleziono produktu.' ] );
      exit;
    }

    // Pobierz treść strony produktu jeśli podano URL
    $product_url = \S::get( 'product_url' );
    $page_content = '';
    if ( $product_url && filter_var( $product_url, FILTER_VALIDATE_URL ) )
    {
      $page_content = \services\OpenAiApi::fetch_page_content( $product_url );
    }

    $context = [
      'original_name'       => $product['name'],
      'current_title'       => \factory\Products::get_product_data( $product_id, 'title' ),
      'current_description' => \factory\Products::get_product_data( $product_id, 'description' ),
      'current_category'    => \factory\Products::get_product_data( $product_id, 'google_product_category' ),
      'offer_id'            => $product['offer_id'],
      'impressions_30'      => $product['impressions_30'] ?? 0,
      'clicks_30'           => $product['clicks_30'] ?? 0,
      'ctr'                 => $product['ctr'] ?? 0,
      'cost'                => $product['cost'] ?? 0,
      'conversions'         => $product['conversions'] ?? 0,
      'conversions_value'   => $product['conversions_value'] ?? 0,
      'roas'                => $product['roas'] ?? 0,
      'custom_label_4'      => \factory\Products::get_product_data( $product_id, 'custom_label_4' ),
      'page_content'        => $page_content,
    ];

    $api = $provider === 'claude' ? \services\ClaudeApi::class : \services\OpenAiApi::class;

    switch ( $field )
    {
      case 'title':
        $result = $api::suggest_title( $context );
        break;
      case 'description':
        $result = $api::suggest_description( $context );
        break;
      case 'category':
        $result = $api::suggest_category( $context );
        break;
      default:
        $result = [ 'status' => 'error', 'message' => 'Nieznane pole: ' . $field ];
    }

    $result['provider'] = $provider;

    if ( $product_url && !$page_content )
      $result['warning'] = 'Nie udało się pobrać treści ze strony produktu (strona może blokować dostęp). Sugestia oparta tylko na nazwie produktu.';
    elseif ( $page_content )
      $result['page_fetched'] = true;

    echo json_encode( $result );
    exit;
  }


  static public function get_products()
  {
    $client_id = \S::get( 'client_id' );
    $campaign_id = (int) \S::get( 'campaign_id' );
    $ad_group_id = (int) \S::get( 'ad_group_id' );
    $limit = \S::get( 'length' ) ? \S::get( 'length' ) : 10;
    $start = \S::get( 'start' ) ? \S::get( 'start' ) : 0;

    $order_dir = $_POST['order'][0]['dir'] ? strtoupper( $_POST['order'][0]['dir'] ) : 'DESC';
    $order_name = $_POST['order'][0]['name'] ? $_POST['order'][0]['name'] : 'clicks';
    $search = $_POST['search']['value'];

    // ➊ MIN/MAX ROAS dla kontekstu klienta (opcjonalnie z filtrem search)
    $bounds    = \factory\Products::get_roas_bounds( (int) $client_id, $search, $campaign_id, $ad_group_id );
    $roas_min  = (float)$bounds['min'];
    $roas_max  = (float)$bounds['max'];
    // zabezpieczenie przed dzieleniem przez 0
    if ($roas_min === $roas_max) {
        $roas_max = $roas_min + 0.000001;
    }

    // ➋ Helper do paska performance (lokalna funkcja)
    $renderPerfBar = function (float $value, float $min, float $max): string
    {
        // normalizacja 0..1
        $t = ($value - $min) / ($max - $min);
        if ($t < 0) $t = 0;
        if ($t > 1) $t = 1;

        // szerokości
        $minPx = 20;        // minimalna długość paska
        $maxPx = 120;       // szerokość „toru”
        $fill  = (int)round($minPx + $t * ($maxPx - $minPx));

        // kolor od #E74C3C (czerwony) do #2ECC71 (zielony)
        $from = [231, 76, 60];
        $to   = [ 46,204,113];
        $r = (int)round($from[0] + ($to[0] - $from[0]) * $t);
        $g = (int)round($from[1] + ($to[1] - $from[1]) * $t);
        $b = (int)round($from[2] + ($to[2] - $from[2]) * $t);
        $hex = sprintf('#%02X%02X%02X', $r, $g, $b);

        // prosty pasek (tor + wypełnienie)
        return '<div class="roas-perf-wrap" title="Min: '.number_format($min,2).' | Max: '.number_format($max,2).'" style="margin-top:4px;width:'.$maxPx.'px;height:8px;background:#eee;border-radius:4px;overflow:hidden;">
                  <div class="roas-perf-fill" style="height:100%;width:'.$fill.'px;background:'.$hex.';"></div>
                </div>';
    };

    $db_results = \factory\Products::get_products( $client_id, $search, $limit, $start, $order_name, $order_dir, $campaign_id, $ad_group_id );
    $recordsTotal = \factory\Products::get_records_total_products( $client_id, $search, $campaign_id, $ad_group_id );

    $data['draw'] = \S::get( 'draw' );
    $data['recordsTotal'] = $recordsTotal;
    $data['recordsFiltered'] = $recordsTotal;
    $data['data'] = [];

    foreach ( $db_results as $row )
    {
      $custom_class = '';
      $custom_label_4 = \factory\Products::get_product_data( $row['product_id'], 'custom_label_4' );
      $custom_name = \factory\Products::get_product_data( $row['product_id'], 'title' );

      if ( $custom_name )
      {
        $row['name'] = $custom_name;
        $custom_class = 'custom_name';
      }

      if ( $custom_label_4 == 'deleted' )
        $custom_class = 'text-danger';

      $custom_label_4_color = '';
      if ( $custom_label_4 == 'bestseller' )
        $custom_label_4_color = 'background-color:rgb(96, 119, 102); color: #FFF;';
      else if ( $custom_label_4 == 'deleted' )
        $custom_label_4_color = 'background-color:rgb(255, 0, 0); color: #FFF;';
      else if ( $custom_label_4 == 'zombie' )
        $custom_label_4_color = 'background-color:rgb(58, 58, 58); color: #FFF;';
      else if ( $custom_label_4 == 'pla_single' )
        $custom_label_4_color = 'background-color:rgb(49, 184, 9); color: #FFF;';
      else if ( $custom_label_4 == 'pla' )
        $custom_label_4_color = 'background-color:rgb(74, 63, 136); color: #FFF;';
      else if ( $custom_label_4 == 'paused' )
        $custom_label_4_color = 'background-color:rgb(143, 143, 143); color: #FFF;';

      // ➌ ROAS – liczba + pasek performance
      $roasValue     = (float)$row['roas'];
      $roasNumeric   = ($roasValue <= (float)$row['min_roas'])
          ? '<span class="text-danger text-bold">'.($roasValue).'</span>'
          : $roasValue;

      $roasPerfBar   = $renderPerfBar($roasValue, $roas_min, $roas_max);
      $roasCellHtml  = '<div class="roas-cell">'.$roasNumeric.$roasPerfBar.'</div>';

      $data['data'][] = [
        '', // checkbox column
        $row['product_id'],
        $row['offer_id'],
        htmlspecialchars( (string) ( $row['campaign_name'] ?? '' ) ),
        htmlspecialchars( (string) ( $row['ad_group_name'] ?? '' ) ),
        '<div class="table-product-title" product_id="' . $row['product_id'] . '">
          <a href="/products/product_history/client_id=' . $client_id . '&product_id=' . $row['product_id'] . '&campaign_id=' . (int) ( $row['campaign_id'] ?? 0 ) . '&ad_group_id=' . (int) ( $row['ad_group_id'] ?? 0 ) . '" target="_blank" class="' . $custom_class . '">
            ' . $row['name'] . '
          </a>
          <span class="edit-product-title" product_id="' . $row['product_id'] . '">
            <i class="fa fa-pencil"></i>
          </span>
        </div>',
        $row['impressions'],
        $row['impressions_30'],
        '<span style="color: ' . ( $row['clicks'] > 200 ? ( $row['clicks'] > 400 ? '#0047ccff' :  '#57b951' ) : '' ) . '">' . $row['clicks'] . '</span>',
        $row['clicks_30'],
        round( $row['ctr'], 2 ) . '%',
        \S::number_display( $row['cost'] ),
        \S::number_display( $row['cpc'] ),
        round( $row['conversions'], 2 ),
        \S::number_display( $row['conversions_value'] ),
        $roasCellHtml,
        '<input type="text" class="form-control min_roas" product_id="' . $row['product_id'] . '" value="' . $row['min_roas'] . '" style="width: 100px;">',
        '',
        '<input type="text" class="form-control custom_label_4" product_id="' . $row['product_id'] . '" value="' . $custom_label_4 . '" style="' . $custom_label_4_color . '">',
        '<button type="button" class="btn btn-danger btn-sm delete-product" product_id="' . $row['product_id'] . '"><i class="fa-solid fa-trash"></i></button>'
      ];
    }

    echo json_encode( $data );
    exit;
  }

  static public function delete_product() {
    $product_id = \S::get( 'product_id' );

    if ( \factory\Products::delete_product( $product_id ) )
      echo json_encode( [ 'status' => 'ok' ] );
    else
      echo json_encode( [ 'status' => 'error' ] );
    exit;
  }

  static public function delete_products() {
    $product_ids = \S::get( 'product_ids' );

    if ( !is_array( $product_ids ) || empty( $product_ids ) ) {
      echo json_encode( [ 'status' => 'error', 'message' => 'Brak produktów do usunięcia' ] );
      exit;
    }

    if ( \factory\Products::delete_products( $product_ids ) )
      echo json_encode( [ 'status' => 'ok' ] );
    else
      echo json_encode( [ 'status' => 'error', 'message' => 'Błąd podczas usuwania produktów' ] );
    exit;
  }

  static public function save_min_roas()
  {
    $product_id = \S::get( 'product_id' );
    $min_roas = \S::get( 'min_roas' );

    if ( \factory\Products::save_min_roas( $product_id, $min_roas ) )
    {
      echo json_encode( [ 'status' => 'ok' ] );
    }
    else
      echo json_encode( [ 'status' => 'error' ] );
    exit;
  }

  static public function save_custom_label_4()
  {
    $product_id = \S::get( 'product_id' );
    $custom_label_4 = \S::get( 'custom_label_4' );

    if ( \factory\Products::set_product_data( $product_id, 'custom_label_4', $custom_label_4 ) )
    {
      \factory\Products::add_product_comment( $product_id, 'Zmiana etykiety 4 na: ' . $custom_label_4 );
      echo json_encode( [ 'status' => 'ok' ] );
    }
    else
      echo json_encode( [ 'status' => 'error' ] );
    exit;
  }

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

    return \Tpl::view( 'products/product_history', [
      'client_id' => $client_id,
      'product_id' => $product_id,
      'campaign_id' => $campaign_id,
      'ad_group_id' => $ad_group_id,
      'min_roas' => \factory\Products::get_min_roas( $product_id )
    ] );
  }

  static public function get_product_history_table()
  {
    $client_id= \S::get( 'client_id' );
    $product_id = \S::get( 'product_id' );
    $campaign_id = (int) \S::get( 'campaign_id' );
    $ad_group_id = (int) \S::get( 'ad_group_id' );
    $start = \S::get( 'start' ) ? \S::get( 'start' ) : 0;
    $limit = \S::get( 'length' ) ? \S::get( 'length' ) : 10;

    $db_results = \factory\Products::get_product_history( $client_id, $product_id, $start, $limit, $campaign_id, $ad_group_id );
    $recordsTotal = \factory\Products::get_records_total_product_history( $client_id, $product_id, $campaign_id, $ad_group_id );

    $data['draw'] = \S::get( 'draw' );
    $data['recordsTotal'] = $recordsTotal;
    $data['recordsFiltered'] = $recordsTotal;
    $data['data'] = [];

    foreach ( $db_results as $row )
    {
      $roas_value = ( $row['cost'] > 0) ? ( $row['conversions_value'] / $row['cost'] ) * 100 : 0;
      $roas = number_format( $roas_value, 0, '.', '' ) . '%';

      $comment_data = \factory\Products::get_product_comment_by_date( $product_id, $row['date_add'] );
      $comment_html = '';
      if ( $comment_data )
      {
        $comment_html = '<div class="comment-cell">
          <span class="comment-text">' . htmlspecialchars( $comment_data['comment'] ) . '</span>
          <a href="#" class="text-danger delete-comment" data-comment-id="' . $comment_data['id'] . '" style="margin-left: 10px;">Usuń</a>
        </div>';
      }

      $data['data'][] = [
        $row['id'],
        $row['impressions'],
        $row['clicks'],
        round( $row['ctr'], 2 ) . '%',
        \S::number_display( $row['cost'] ),
        $row['conversions'],
        \S::number_display( $row['conversions_value'] ),
        $roas,
        $row['date_add'],
        $comment_html,
      ];
    }

    echo json_encode( $data );
    exit;
  }

  static public function get_product_history_table_chart()
  {
    $client_id = \S::get( 'client_id' );
    $product_id = \S::get( 'product_id' );
    $campaign_id = (int) \S::get( 'campaign_id' );
    $ad_group_id = (int) \S::get( 'ad_group_id' );
    $limit = \S::get( 'length' ) ? \S::get( 'length' ) : 360;
    $start = \S::get( 'start' ) ? \S::get( 'start' ) : 0;

    $db_results = \factory\Products::get_product_history_30( $client_id, $product_id, $start, $limit, $campaign_id, $ad_group_id );

    $impressions = [];
    $clicks = [];
    $ctr = [];
    $cost = [];
    $conversions = [];
    $conversions_value = [];
    $roas = [];
    $dates = [];

    foreach ( $db_results as $row )
    {
      $impressions[] = (int)$row['impressions'];
      $clicks[] = (int)$row['clicks'];
      $ctr[] = (float)$row['ctr'];
      $cost[] = (float)$row['cost'];
      $conversions[] = (int)$row['conversions'];
      $conversions_value[] = (float)$row['conversions_value'];
      $roas[] = (float)$row['roas_all_time'];
      $dates[] = $row['date_add'];
    }

    $chart_data = [
      [
        'name' => 'Wyświetlenia',
        'data' => $impressions,
        'visible' => false
      ], [
        'name' => 'Kliknięcia',
        'data' => $clicks,
        'visible' => false
      ], [
        'name' => 'CTR',
        'data' => $ctr,
        'visible' => false
      ], [
        'name' => 'Koszt',
        'data' => $cost,
        'visible' => false
      ], [
        'name' => 'Konwersje',
        'data' => $conversions,
        'visible' => false
      ], [
        'name' => 'Wartość konwersji',
        'data' => $conversions_value,
        'visible' => false
      ], [
        'name' => 'ROAS',
        'data' => $roas
      ]
    ];

    echo json_encode([
      'chart_data' => $chart_data,
      'dates' => $dates,
      'comments' => \factory\Products::get_product_comments( $product_id ),
    ]);
    exit;
  }

  static public function save_product_data()
  {
    $product_id = \S::get( 'product_id' );
    $custom_title = \S::get( 'custom_title' );
    $custom_description = \S::get( 'custom_description' );
    $google_product_category = \S::get( 'google_product_category' );
    $product_url = \S::get( 'product_url' );

    if ( $product_id )
    {
      if ( $custom_title )
        \factory\Products::set_product_data( $product_id, 'title', $custom_title );

      if ( $custom_description )
        \factory\Products::set_product_data( $product_id, 'description', $custom_description );

      if ( $google_product_category )
        \factory\Products::set_product_data( $product_id, 'google_product_category', $google_product_category );

      \factory\Products::set_product_data( $product_id, 'product_url', $product_url ?: '' );
    }

    \factory\Products::add_product_comment( $product_id, 'Zmiana tytułu i opisu produktu.' );

    echo json_encode( [ 'status' => 'ok' ] );
    exit;
  }
}