<?php

namespace Kanboard\Plugin\TweakDrag\Controller;

use Kanboard\Controller\BaseController;

/**
 * Settings page for the TweakDrag plugin: board drag/touch and column-gap options.
 */
class ConfigController extends BaseController
{
    const DEFAULT_GAP_SIZE = 25;
    const MIN_GAP_SIZE = 0;
    const MAX_GAP_SIZE = 200;

    const DEFAULT_HANDLE_SIZE = 20;
    const MIN_HANDLE_SIZE = 8;
    const MAX_HANDLE_SIZE = 200;

    public function show()
    {
        $gapSize = (int) $this->configModel->get('tweakdrag_column_gap_size', self::DEFAULT_GAP_SIZE);
        $columnGap = (int) $this->configModel->get('tweakdrag_column_gap', 1);
        $dragScroll = (int) $this->configModel->get('tweakdrag_drag_scroll', 1);
        $handleSize = (int) $this->configModel->get('tweakdrag_handle_size', self::DEFAULT_HANDLE_SIZE);

        $this->response->html($this->helper->layout->config('tweakDrag:config/show', array(
            'title' => t('Settings').' &gt; '.t('Tweak Drag'),
            'values' => array(
                'tweakdrag_column_gap_size' => $gapSize,
                'tweakdrag_column_gap' => $columnGap,
                'tweakdrag_drag_scroll' => $dragScroll,
                'tweakdrag_handle_size' => $handleSize,
            ),
            'errors' => array(),
        )));
    }

    public function save()
    {
        $values = $this->request->getValues();

        $gapSize = isset($values['tweakdrag_column_gap_size']) ? (int) $values['tweakdrag_column_gap_size'] : self::DEFAULT_GAP_SIZE;
        $gapSize = max(self::MIN_GAP_SIZE, min(self::MAX_GAP_SIZE, $gapSize));

        $columnGap = isset($values['tweakdrag_column_gap']) ? 1 : 0;
        $dragScroll = isset($values['tweakdrag_drag_scroll']) ? 1 : 0;

        $handleSize = isset($values['tweakdrag_handle_size']) ? (int) $values['tweakdrag_handle_size'] : self::DEFAULT_HANDLE_SIZE;
        $handleSize = max(self::MIN_HANDLE_SIZE, min(self::MAX_HANDLE_SIZE, $handleSize));

        if ($this->configModel->save(array(
            'tweakdrag_column_gap_size' => $gapSize,
            'tweakdrag_column_gap' => $columnGap,
            'tweakdrag_drag_scroll' => $dragScroll,
            'tweakdrag_handle_size' => $handleSize,
        ))) {
            $this->flash->success(t('Settings saved successfully.'));
        } else {
            $this->flash->failure(t('Unable to save your settings.'));
        }

        $this->response->redirect($this->helper->url->to('ConfigController', 'show', array('plugin' => 'TweakDrag')));
    }
}