<?php
namespace controls;

class Clients
{
  static public function main_view()
  {
    return \view\Clients::main_view(
      \factory\Clients::get_all()
    );
  }

  static public function save()
  {
    $id   = \S::get( 'id' );
    $name = trim( \S::get( 'name' ) );
    $google_ads_customer_id = trim( \S::get( 'google_ads_customer_id' ) );
    $google_merchant_account_id = trim( \S::get( 'google_merchant_account_id' ) );

    if ( !$name )
    {
      \S::alert( 'Nazwa klienta jest wymagana.' );
      header( 'Location: /clients' );
      exit;
    }

    $google_ads_start_date = trim( \S::get( 'google_ads_start_date' ) );

    $data = [
      'name' => $name,
      'google_ads_customer_id' => $google_ads_customer_id ?: null,
      'google_merchant_account_id' => $google_merchant_account_id ?: null,
      'google_ads_start_date'  => $google_ads_start_date ?: null,
    ];

    if ( $id )
    {
      \factory\Clients::update( $id, $data );
      \S::alert( 'Klient został zaktualizowany.' );
    }
    else
    {
      \factory\Clients::create( $data );
      \S::alert( 'Klient został dodany.' );
    }

    header( 'Location: /clients' );
    exit;
  }

  static public function delete()
  {
    $id = \S::get( 'id' );

    if ( $id )
    {
      \factory\Clients::delete( $id );
    }

    echo json_encode( [ 'success' => true ] );
    exit;
  }

  static public function get()
  {
    $id = \S::get( 'id' );
    $client = \factory\Clients::get( $id );

    echo json_encode( $client ?: [] );
    exit;
  }

  static public function sync_status()
  {
    global $mdb;

    // Kampanie: 1 work unit per row (pending=0, done=1)
    $campaigns_raw = $mdb->query(
      "SELECT client_id, COUNT(*) as total,
        SUM(CASE WHEN phase='done' THEN 1 ELSE 0 END) as done
      FROM cron_sync_status WHERE pipeline='campaigns' GROUP BY client_id"
    )->fetchAll( \PDO::FETCH_ASSOC );

    // Produkty: 3 work units per row (pending=0, fetch=1, aggregate_30=2, done=3)
    $products_raw = $mdb->query(
      "SELECT client_id, COUNT(*) * 3 as total,
        SUM(CASE phase WHEN 'fetch' THEN 1 WHEN 'aggregate_30' THEN 2 WHEN 'done' THEN 3 ELSE 0 END) as done
      FROM cron_sync_status WHERE pipeline='products' GROUP BY client_id"
    )->fetchAll( \PDO::FETCH_ASSOC );

    $data = [];

    foreach ( $campaigns_raw as $row )
    {
      $data[ $row['client_id'] ]['campaigns'] = [ (int) $row['done'], (int) $row['total'] ];
    }

    foreach ( $products_raw as $row )
    {
      $data[ $row['client_id'] ]['products'] = [ (int) $row['done'], (int) $row['total'] ];
    }

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

  static public function force_sync()
  {
    global $mdb;

    $id = (int) \S::get( 'id' );

    if ( !$id )
    {
      echo json_encode( [ 'success' => false, 'message' => 'Brak ID klienta.' ] );
      exit;
    }

    $mdb -> delete( 'cron_sync_status', [ 'client_id' => $id ] );

    echo json_encode( [ 'success' => true ] );
    exit;
  }
}