<?php

// (c) Copyright by authors of the Tiki Wiki CMS Groupware Project
//
// All Rights Reserved. See copyright.txt for details and a complete list of authors.
// Licensed under the GNU LESSER GENERAL PUBLIC LICENSE. See license.txt for details.
// $Id$

function wikiplugin_slideshowslide_info()
{
    return [
        'name' => tra('SlideshowSlide'),
        'documentation' => 'SlideshowSlide',
        'description' => tra('Advance plugin to add slide in slideshow with different background colors, background video, transition and other settings.'),
        'prefs' => [  'wikiplugin_slideshow', 'feature_slideshow' ],
        'body' => tr('Enter content of slide'),
        'iconname' => 'tv',
        'introduced' => 19,
        'tags' => [ 'advance' ],
        'params' => [
            'bgColor' => [
                'required' => false,
                'name' => tra('Slide Background color'),
                'description' => tr('Set background color for slide.'),
                'default' => '',
                'since' => '19.0',
            ],
            'textColor' => [
                'required' => false,
                'name' => tra('Slide Text color'),
                'description' => tr('Set Text color for slide.'),
                'default' => '',
                'since' => '19.0',
            ],
            'backgroundUrl' => [
                'required' => false,
                'name' => tra('Parallax Background Image'),
                'description' => tr(
                    'URL of the background image to use in your slideshow, overrides %0',
                    '<code>backgroundcolor</code>'
                ),
                'filter' => 'url',
                'accepted' => tra('Valid URL'),
                'default' => '',
                'since' => '19.0',
            ],
            'parallaxBackgroundSize' => [
                'required' => false,
                'name' => tra('Parallax Background Size'),
                'description' => tra('syntax, e.g. "2100px 900px" - currently only pixels are supported (don\'t use % or auto)'),
                'default' => '',
                'since' => '19.0'
            ],

            'parallaxBackgroundHorizontal' => [
                'required' => false,
                'name' => tra('Parallax Background Horizontal'),
                'description' => tra('Number of pixels to move the parallax background per slide, Calculated automatically unless specified. Set to 0 to disable movement along an axis'),
                'default' => '',
                'since' => '19.0'
            ],
            'parallaxBackgroundVertical' => [
                'required' => false,
                'name' => tra('Parallax Background Vertical'),
                'description' => '',
                'default' => '',
                'since' => '19.0'
            ],

            'backgroundVideoUrl' => [
                'required' => false,
                'name' => tra('Background Video URL'),
                'description' => tr('Automatically plays a full size video behind the slide'),
                'default' => '',
                'since' => '19.0',
            ],
            'videoMuted' => [
                'required' => false,
                'name' => tra('Mute Background Video'),
                'description' => tra('Flags if the audio should be muted for background video'),
                'filter' => 'word',
                'default' => 'y',
                'since' => '19.0',
                'options' => [
                    ['text' => 'No', 'value' => 'n'],
                    ['text' => 'Yes', 'value' => 'y'],
                ],
            ],
            'videoLoop' => [
                'required' => false,
                'name' => tra('Loop Background Video'),
                'description' => tra('Flags if the background video played in loop'),
                'filter' => 'word',
                'default' => 'y',
                'since' => '19.0',
                'options' => [
                    ['text' => 'No', 'value' => 'n'],
                    ['text' => 'Yes', 'value' => 'y'],
                ],
            ],
            'transitionIn' => [
                'required' => false,
                'name' => tra('Transition In'),
                'description' => tra('Select entry transition effect for slide'),
                'filter' => 'word',
                'default' => '',
                'since' => '19.0',
                'options' => [
                    ['text' => 'None', 'value' => 'none'],
                    ['text' => 'Fade', 'value' => 'fade'],
                    ['text' => 'Slide', 'value' => 'slide'],
                    ['text' => 'Convex', 'value' => 'convex'],
                    ['text' => 'Concave', 'value' => 'concave'],
                    ['text' => 'Zoom', 'value' => 'zoom'],
                ],
            ],
            'transitionOut' => [
                'required' => false,
                'name' => tra('Transition Out'),
                'description' => tra('Select exit transition effect for slide'),
                'filter' => 'word',
                'default' => '',
                'since' => '19.0',
                'options' => [
                    ['text' => 'None', 'value' => 'none'],
                    ['text' => 'Fade', 'value' => 'fade'],
                    ['text' => 'Slide', 'value' => 'slide'],
                    ['text' => 'Convex', 'value' => 'convex'],
                    ['text' => 'Concave', 'value' => 'concave'],
                    ['text' => 'Zoom', 'value' => 'zoom'],
                ],
            ],
            'transitionSpeed' => [
                'required' => false,
                'name' => tra('Transition Speed'),
                'description' => tra('Transition Speed'),
                'filter' => 'word',
                'default' => '',
                'since' => '19.0',
                'options' => [
                    ['text' => 'Default', 'value' => ''],
                    ['text' => 'Fast', 'value' => 'fast'],
                    ['text' => 'Slow', 'value' => 'slow'],
                ],
            ],
            'backgroundTransition' => [
                'required' => false,
                'name' => tra('Background Transition'),
                'description' => tra('Transition style for full page slide backgrounds'),
                'filter' => 'word',
                'default' => 'fade',
                'since' => '19.0',
                'options' => [
                    ['text' => 'None', 'value' => 'none'],
                    ['text' => 'Fade', 'value' => 'fade'],
                    ['text' => 'Slide', 'value' => 'slide'],
                    ['text' => 'Convex', 'value' => 'convex'],
                    ['text' => 'Concave', 'value' => 'concave'],
                    ['text' => 'Zoom', 'value' => 'zoom'],
                ],
            ],
        ],
    ];
}

function wikiplugin_slideshowslide($data, $params)
{
    if (strstr($_SERVER['PHP_SELF'], 'tiki-slideshow.php') == '') {
        return $data;
    }
    $defaults = [];
    $plugininfo = wikiplugin_slideshowslide_info();
    foreach ($plugininfo['params'] as $key => $param) {
        $defaults["$key"] = $param['default'];
        //separating digits filter parameters
        if ($param['filter'] == "digits") {
            $slideshowslideDigitsParams[] = $key;
        }
    }
    $params = array_merge($defaults, $params);
    $slideShowSlideParams = array("data-background-color" => 'bgColor',"data-background-image" => 'backgroundUrl',"data-background-size" => 'parallaxBackgroundSize',"data-background-horizontal" => 'parallaxBackgroundHorizontal',"data-background-vertical" => 'parallaxBackgroundVertical',"data-background-video" => 'backgroundVideoUrl',"data-background-transitionspeed" => 'transitionSpeed',"data-background-transition" => 'backgroundTransition');
    $slideSettings = '';
    foreach ($slideShowSlideParams as $key => $param) {
        if ($params[$param]) {
            $slideSettings .= $key;
            if (! in_array($param, $slideshowslideDigitsParams)) {
                $slideSettings .= "='" . $params[$param] . "' ";
            } else {
                $slideSettings .= "='" . $params[$param] . "' ";
            }
        }
    }
    $slideSettings = str_replace(array("'y'","'n'"), array("'true'","'false'"), $slideSettings);
    $transitionIn = (isset($params['transitionIn']) ? $params['transitionIn'] . "-in" : '');
    $transitionOut = (isset($params['transitionOut']) ? $params['transitionOut'] . "-out" : '');
    if ($transitionIn  || $transitionOut) {
        $slideSettings .= "data-transition=\"" . $transitionIn . " " . $transitionOut . "\"";
    }
    if ($params['videoMuted'] == 'y') {
        $slideSettings .= " data-background-video-muted";
    }
    if ($params['videoLoop'] == 'y') {
        $slideSettings .= " data-background-video-loop";
    }
    if ($params['textColor']) {
        $textColorStyle = 'style="color:' . $params['textColor'] . '"';
    }
    if (isset($_REQUEST['pdf'])) {
        $slideEnd = "</div>";
    } else {
        $slideEnd = "</td></tr></table>";
    }

    return "<sslide id= data-plugin-slide " . $slideSettings . " " . $textColorStyle . ">" . html_entity_decode(TikiLib::lib('parser')->parse_data(trim($data), ['is_html' => true, 'parse_wiki' => true])) . $slideEnd . '</sslide>';
}