<?php

namespace Ulmus\SearchRequest;

trait SearchRequestPaginationTrait {

    public int $count = 0;

    public int $page = 1;

    public int $pageCount = 0;
    
    public int $limit = 25;
    
    public bool $skipCount = false;

    public ? array $columns = null;

    public function count(): int
    {
        return $this->count;
    }

    public function page(): int
    {
        return $this->page;
    }

    public function limit(): int 
    {
        return $this->limit;
    }

    public function offset(): int 
    {
        return (int) ( abs( ( $this->page() - 1 ) * $this->limit() ) );
    }

    public function pagination(int $page, int $itemCount) : void 
    {
        $this->count = $itemCount;
        $this->page = $page;
    }
    
    public function pageCount() : int
    {
        return $this->limit() ? $this->pageCount = ceil($this->count() / $this->limit()) : 1;
    }
    
    public function hasPagination() : int
    {
        return $this->pageCount() > 1;
    }

    public function skipCount(bool $value) : self
    {
        $this->skipCount = $value;

        return $this;
    }

    public function resultShown() : int
    {
        $total = $this->page() * $this->limit();

        return $total <= $this->count() ? $total : $this->count();
    }

    public function jsonSerialize(): mixed
    {
        $this->pageCount();

        return $this;
    }
}