@if(auth()->user()->role == 'admin')
@if(env('ENABLE_THEME_UPDATER') == 'true')

<br><br><br>
<div class="accordion">
    <div class="accordion-item">
      <h2 class="accordion-header" id="details-header">
        <button class="accordion-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#details-collapse" aria-controls="details-collapse">
          Theme Updater
        </button>
      </h2>
      <div id="details-collapse" class="accordion-collapse collapse" aria-labelledby="details-header">
        <div class="accordion-body table-responsive">
            <table class="table table-striped table-responsive">
                    <tr>
                        <th>Theme name:</th>
                        <th>Update status:</th>
                        <th>Version:&nbsp;</th>
                    </tr>
                    <?php
                    if ($handle = opendir('themes')) {
                     while (false !== ($entry = readdir($handle))) {
                            if(file_exists(base_path('themes') . '/' . $entry . '/readme.md')){
                            $text = file_get_contents(base_path('themes') . '/' . $entry . '/readme.md');
                            $pattern = '/Theme Version:.*/';
                            preg_match($pattern, $text, $matches, PREG_OFFSET_CAPTURE);
                            if(sizeof($matches) > 0) {
                              $verNr = substr($matches[0][0],15);
                            }
                          }
                            $themeVe = NULL;
                            if(!isset($verNr)){$verNr = "error";};
                        if ($entry != "." && $entry != "..") {
                            echo '<tr>';
                            echo '<th>'; print_r(ucfirst($entry));
                            echo '</th>';
                            echo '<th><center>';
                            if(file_exists(base_path('themes') . '/' . $entry . '/readme.md')){
                              if(!strpos(file_get_contents(base_path('themes') . '/' . $entry . '/readme.md'), 'Source code:')){$hasSource = false;}else{
                                $hasSource = true;
                                $text = file_get_contents(base_path('themes') . '/' . $entry . '/readme.md');
                                $pattern = '/Source code:.*/';
                                preg_match($pattern, $text, $matches, PREG_OFFSET_CAPTURE);
                                $sourceURL = substr($matches[0][0],13);
                                $replaced = str_replace("https://github.com/", "https://raw.githubusercontent.com/", trim($sourceURL));
                                $replaced = $replaced . "/main/readme.md";
                                if (strpos($sourceURL, 'github.com')){
                                ini_set('user_agent', 'Mozilla/4.0 (compatible; MSIE 6.0)');
                                try{
                                    $textGit = file_get_contents($replaced);
                                    $patternGit = '/Theme Version:.*/';
                                    preg_match($patternGit, $textGit, $matches, PREG_OFFSET_CAPTURE);
                                    $sourceURLGit = substr($matches[0][0],15);
                                    $Vgitt = 'v' . $sourceURLGit;
                                    $verNrv = 'v' . $verNr;
                                }catch(Exception $ex){
                                    $themeVe = "error";
                                    $Vgitt = NULL;
                                    $verNrv = NULL;
                                }
                                if(trim($Vgitt) > trim($verNrv)){
                                  $updateAv = true;
                                  $GLOBALS['updateAv'] = true;
                                } else {
                                  $updateAv = false;
                                }
                                } else {$themeVe = "error";}
                                }
                              }
                            if ($themeVe == "error") {
                            echo '<span class="badge bg-danger">Error!</span>';
                            } elseif ($hasSource == false) {
                            echo '<a href="https://linkstack.org/themes.php" target="_blank"><span class="badge bg-danger">Update manually</span></a>';
                            } elseif($updateAv == true) {
                            echo '<span class="badge bg-warning">Update available</span>';
                            } else {
                            echo '<span class="badge bg-success">Up to date</span>';
                            }
                            echo '</center></th>';
                            echo '<th>' . $verNr . '</th>';
                            echo '</tr>';}
                            }} ?>
                </table>
        </div>
        <a href="{{ url('update/theme') }}" onclick="updateicon()" class="btn btn-gray ms-3 mb-4">
            <span id="updateicon"><i class="bi bi-arrow-repeat"></i></span> Update all themes
        </a>
      </div>
    </div>
  </div>

<?php
try{ if($GLOBALS['updateAv'] == true) echo '<p class="mt-3 ml-3 h2""><span class="badge bg-success">Update available</span></p>';
}catch(Exception $ex){}
?>

<script>
    $(function() {
        $('select[name=theme]').on('change', function() {
            var s = $(this).data('base-url') + "?t=" + $(this).val();
            $("#frPreview").prop('src', s);
        })
    });

    class Accordion {
        constructor(el) {
            // Store the <details> element
            this.el = el;
            // Store the <summary> element
            this.summary = el.querySelector('summary');
            // Store the <div class="content"> element
            this.content = el.querySelector('.content');

            // Store the animation object (so we can cancel it if needed)
            this.animation = null;
            // Store if the element is closing
            this.isClosing = false;
            // Store if the element is expanding
            this.isExpanding = false;
            // Detect user clicks on the summary element
            this.summary.addEventListener('click', (e) => this.onClick(e));
        }

        onClick(e) {
            // Stop default behaviour from the browser
            e.preventDefault();
            // Add an overflow on the <details> to avoid content overflowing
            this.el.style.overflow = 'hidden';
            // Check if the element is being closed or is already closed
            if (this.isClosing || !this.el.open) {
                this.open();
                // Check if the element is being openned or is already open
            } else if (this.isExpanding || this.el.open) {
                this.shrink();
            }
        }

        shrink() {
            // Set the element as "being closed"
            this.isClosing = true;

            // Store the current height of the element
            const startHeight = `${this.el.offsetHeight}px`;
            // Calculate the height of the summary
            const endHeight = `${this.summary.offsetHeight}px`;

            // If there is already an animation running
            if (this.animation) {
                // Cancel the current animation
                this.animation.cancel();
            }

            // Start a WAAPI animation
            this.animation = this.el.animate({
                // Set the keyframes from the startHeight to endHeight
                height: [startHeight, endHeight]
            }, {
                duration: 400
                , easing: 'ease-out'
            });

            // When the animation is complete, call onAnimationFinish()
            this.animation.onfinish = () => this.onAnimationFinish(false);
            // If the animation is cancelled, isClosing variable is set to false
            this.animation.oncancel = () => this.isClosing = false;
        }

        open() {
            // Apply a fixed height on the element
            this.el.style.height = `${this.el.offsetHeight}px`;
            // Force the [open] attribute on the details element
            this.el.open = true;
            // Wait for the next frame to call the expand function
            window.requestAnimationFrame(() => this.expand());
        }

        expand() {
            // Set the element as "being expanding"
            this.isExpanding = true;
            // Get the current fixed height of the element
            const startHeight = `${this.el.offsetHeight}px`;
            // Calculate the open height of the element (summary height + content height)
            const endHeight = `${this.summary.offsetHeight + this.content.offsetHeight}px`;

            // If there is already an animation running
            if (this.animation) {
                // Cancel the current animation
                this.animation.cancel();
            }

            // Start a WAAPI animation
            this.animation = this.el.animate({
                // Set the keyframes from the startHeight to endHeight
                height: [startHeight, endHeight]
            }, {
                duration: 400
                , easing: 'ease-out'
            });
            // When the animation is complete, call onAnimationFinish()
            this.animation.onfinish = () => this.onAnimationFinish(true);
            // If the animation is cancelled, isExpanding variable is set to false
            this.animation.oncancel = () => this.isExpanding = false;
        }

        onAnimationFinish(open) {
            // Set the open attribute based on the parameter
            this.el.open = open;
            // Clear the stored animation
            this.animation = null;
            // Reset isClosing & isExpanding
            this.isClosing = false;
            this.isExpanding = false;
            // Remove the overflow hidden and the fixed height
            this.el.style.height = this.el.style.overflow = '';
        }
    }

    document.querySelectorAll('details').forEach((el) => {
        new Accordion(el);
    });

</script>

@endif
@endif