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<?php

namespace AnalyseModule;

/**
 * Handles displaying of conservancy comparison results
 */
class ConservancyPresenter extends \BaseModule\BasePresenter {

    /**
     * @var \AnalyseModule\Models\ConservancyComparator
     * @Inject
     */
    protected $conservancyComparator;

    /**
     * Render page displaying all the results (svg pictures) along with form for
     * resubmitting with different window size
     */
    public function renderDefault() {
        if (isset($this->request->getPost()['analyse']) && count($this->request->getPost()['analyse']) > 1) {
            if (isset($this->request->getPost()['winsize'])) {
                $winsize = $this->request->getPost()['winsize'];
            } else {
                $winsize = null;
            }
            $accessions = $this->request->getPost()['analyse'];
            $sequences = $this->conservancyComparator->execute($accessions, $winsize);
            $this->template->sequences = $sequences;
            $this->template->tmpDir = $this->conservancyComparator->getTmpDir();
            $this->template->winSize = $this->conservancyComparator->getWinSize();
        } else {
            $this->template->noAccessions = true;
        }
    }

    /**
     * Full svg picture display
     *
     * @param string $tmpdir rawurldecode-d path to temporary directory used (note that "/" in file are replaced by "++")
     * @param int $winsize window size used for comparison
     * @param string $accession accession number of the sequence to display
     */
    public function renderDetail($tmpdir, $winsize, $accession) {
        $this->template->path = $this->template->basePath . "/" . str_replace('++', '/', rawurldecode($tmpdir)) . "/" . $accession . "_win" . $winsize . "_ss_compare.svg";
        $this->template->accession = $accession;
    }

    /**
     * Export comparison result into zip archive and offers to download it
     *
     * @param string $tmpdir path to directory with comparison results
     * @param int $winsize window size
     */
    public function actionExport($tmpdir, $winsize) {
        $tmpPath = str_replace('++', '/', rawurldecode($tmpdir)) . DIRECTORY_SEPARATOR;
        $svgs = json_decode($this->getHttpRequest()->getPost('svgs'), true);
        $zipPath = $this->conservancyComparator->export($tmpPath, $svgs, $winsize);

        $this->sendResponse(new \Nette\Application\Responses\FileResponse($zipPath));
    }

    /**
     * Creates form for resubmitting picked sequences for conservation comparison
     * with different window size
     *
     * @return \BaseModule\Form
     */
    protected function createComponentAnalyseForm() {
        $form = new \BaseModule\Form;
        $form->addSelect('winsize', 'Set window size', array(20 => '20', 40 => '40', 60 => '60'))->setDefaultValue($this->conservancyComparator->getWinSize());
        $form->addSubmit('compare', 'Rerun comparison');
        return $form;
    }

}