<?php
namespace Concrete\Core\Page\Theme\GridFramework;

use Loader;
use Core;

abstract class GridFramework
{

    abstract public function getPageThemeGridFrameworkName();

    abstract public function getPageThemeGridFrameworkRowStartHTML();

    abstract public function getPageThemeGridFrameworkRowEndHTML();

    abstract public function getPageThemeGridFrameworkContainerStartHTML();

    abstract public function getPageThemeGridFrameworkContainerEndHTML();

    public function getPageThemeGridFrameworkNumColumns()
    {
        $classes = $this->getPageThemeGridFrameworkColumnClasses();
        return count($classes);
    }

    public function hasPageThemeGridFrameworkOffsetClasses()
    {
        $classes = $this->getPageThemeGridFrameworkColumnClasses();
        return count($classes) > 0;
    }

    abstract public function getPageThemeGridFrameworkColumnClasses();

    abstract public function getPageThemeGridFrameworkColumnOffsetClasses();

    abstract public function getPageThemeGridFrameworkColumnAdditionalClasses();

    abstract public function getPageThemeGridFrameworkColumnOffsetAdditionalClasses();

    public function getPageThemeGridFrameworkColumnClassForSpan($span)
    {
        $span = $span - 1;
        $classes = $this->getPageThemeGridFrameworkColumnClasses();
        return $classes[$span];
    }

    public function getPageThemeGridFrameworkColumnClassForOffset($offset)
    {
        $offset = $offset - 1;
        $classes = $this->getPageThemeGridFrameworkColumnOffsetClasses();
        return $classes[$offset];
    }

    public function getPageThemeGridFrameworkColumnClassesForSpan($span)
    {
        $classes = $this->getPageThemeGridFrameworkColumnClassForSpan($span);

        if ($this->getPageThemeGridFrameworkColumnAdditionalClasses()) {
            $classes .= ' '.$this->getPageThemeGridFrameworkColumnAdditionalClasses();
        }

        return $classes;
    }

    public function getPageThemeGridFrameworkColumnClassesForOffset($offset)
    {
        $classes = $this->getPageThemeGridFrameworkColumnClassForOffset($offset);

        if ($this->getPageThemeGridFrameworkColumnOffsetAdditionalClasses()) {
            $classes .= ' '.$this->getPageThemeGridFrameworkColumnOffsetAdditionalClasses();
        }

        return $classes;
    }
}