<?php
namespace Fyoo\FigmaBridge;

/**
 * Compiles a declarative workflow specification into native YOOtheme Pro
 * compound custom elements (element.json, element.php, template.php) and can
 * hydrate full YOOtheme builder layout trees from domain pipeline payloads.
 */
class WorkflowElementGenerator
{
    private array $spec;

    public function __construct(array $spec)
    {
        if (empty($spec['name'])) {
            throw new \InvalidArgumentException("Workflow element spec must define a 'name'");
        }
        if (empty($spec['title'])) {
            throw new \InvalidArgumentException("Workflow element spec must define a 'title'");
        }
        $this->spec = $spec;
    }

    public static function fromJson(string $json): self
    {
        $data = json_decode($json, true);
        if (!is_array($data)) {
            throw new \InvalidArgumentException("Invalid JSON in workflow element spec");
        }
        return new self($data);
    }

    public static function fromFile(string $path): self
    {
        if (!file_exists($path)) {
            throw new \InvalidArgumentException("Workflow spec file not found: $path");
        }
        return self::fromJson((string) file_get_contents($path));
    }

    public function name(): string
    {
        return $this->spec['name'];
    }

    public function itemName(): string
    {
        return $this->spec['item']['name'] ?? ($this->name() . '_item');
    }

    public function isContainer(): bool
    {
        return !empty($this->spec['container']);
    }

    /**
     * Compiles all required files for the custom element.
     *
     * @return array<string, string> relative_file_path => content
     */
    public function compile(): array
    {
        $files = [];
        $name = $this->name();

        // 1. Parent element
        $files["elements/{$name}/element.json"] = json_encode($this->compileParentSchema(), JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES);
        $files["elements/{$name}/element.php"] = $this->compileElementPhp();
        $files["elements/{$name}/templates/template.php"] = $this->compileParentTemplate();
        $files["elements/{$name}/templates/content.php"] = $this->compileParentContent();
        $files["elements/{$name}/images/icon.svg"] = $this->defaultIconSvg();
        $files["elements/{$name}/images/iconSmall.svg"] = $this->defaultIconSmallSvg();

        // 2. Child item element (if container)
        if ($this->isContainer()) {
            $itemName = $this->itemName();
            $files["elements/{$itemName}/element.json"] = json_encode($this->compileItemSchema(), JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES);
            $files["elements/{$itemName}/element.php"] = $this->compileItemPhp();
            $files["elements/{$itemName}/templates/template.php"] = $this->compileItemTemplate();
            $files["elements/{$itemName}/templates/content.php"] = $this->compileItemContent();
            $files["elements/{$itemName}/images/icon.svg"] = $this->defaultIconSvg();
            $files["elements/{$itemName}/images/iconSmall.svg"] = $this->defaultIconSmallSvg();
        }

        return $files;
    }

    /**
     * Installs the generated workflow element directly into the yootheme_patches child theme,
     * maintaining 100% architectural consistency with the XS Elements ecosystem.
     */
    public function installToPatches(string $patchesDir): array
    {
        $patchesDir = rtrim($patchesDir, '/');
        if (!is_dir($patchesDir) || !file_exists($patchesDir . '/config.php')) {
            throw new \InvalidArgumentException("Invalid yootheme_patches directory: $patchesDir");
        }

        $rawName = $this->name();
        $cleanName = preg_replace('/^xs_/', '', $rawName);
        $pascalName = str_replace(' ', '', ucwords(str_replace('_', ' ', $cleanName)));
        $camelName = lcfirst(str_replace(' ', '', ucwords(str_replace('_', ' ', $rawName))));

        $targetElementDir = $patchesDir . '/src/Xs/' . $pascalName . '/element';
        if (!is_dir($targetElementDir)) {
            mkdir($targetElementDir, 0755, true);
        }

        // Write elements without the extra 'elements/' prefix
        $compiled = $this->compile();
        $writtenFiles = [];
        foreach ($compiled as $relPath => $content) {
            // Strip 'elements/' prefix
            $strippedPath = preg_replace('/^elements\//', '', $relPath);
            $fullPath = $targetElementDir . '/' . $strippedPath;
            $dir = dirname($fullPath);
            if (!is_dir($dir)) {
                mkdir($dir, 0755, true);
            }
            file_put_contents($fullPath, $content);
            $writtenFiles[] = $fullPath;
        }

        // 1. Update patches.php
        $patchesFile = $patchesDir . '/patches.php';
        if (file_exists($patchesFile)) {
            $patchesCode = (string) file_get_contents($patchesFile);
            if (!str_contains($patchesCode, "'{$rawName}'")) {
                $hook = "// XS {$this->spec['title']} builder element (child-theme integrated)\n    '{$rawName}' => true,\n";
                $pos = strrpos($patchesCode, '];');
                if ($pos !== false) {
                    $patchesCode = substr_replace($patchesCode, "    " . $hook, $pos, 0);
                    file_put_contents($patchesFile, $patchesCode);
                }
            }
        }

        // 2. Update config.php
        $configFile = $patchesDir . '/config.php';
        if (file_exists($configFile)) {
            $configCode = (string) file_get_contents($configFile);
            if (!str_contains($configCode, "'{$camelName}'")) {
                $block = "\n            if (\$isPatchEnabled(\$config, '{$camelName}', true)) {\n"
                    . "                \$builder->addTypePath(__DIR__ . '/src/Xs/{$pascalName}/element/*/element.json');\n"
                    . "            }\n";
                $anchor = "if (\$isPatchEnabled(\$config, 'xsChangelog', true)) {";
                $pos = strpos($configCode, $anchor);
                if ($pos !== false) {
                    $configCode = substr_replace($configCode, $block, $pos, 0);
                    file_put_contents($configFile, $configCode);
                }
            }
        }

        return [
            'name'       => $rawName,
            'pascalName' => $pascalName,
            'camelName'  => $camelName,
            'targetDir'  => $targetElementDir,
            'files'      => $writtenFiles,
        ];
    }

    public function spec(): array
    {
        return $this->spec;
    }

    /**
     * Writes compiled elements to the destination directory.
     */
    public function write(string $targetDir): void
    {
        $compiled = $this->compile();
        foreach ($compiled as $relPath => $content) {
            $fullPath = rtrim($targetDir, '/') . '/' . $relPath;
            $dir = dirname($fullPath);
            if (!is_dir($dir)) {
                mkdir($dir, 0755, true);
            }
            file_put_contents($fullPath, $content);
        }
    }

    /**
     * Writes compiled elements and zips them into a single archive.
     */
    public function zip(string $outDir, string $zipPath): void
    {
        $this->write($outDir);
        $zip = new \ZipArchive();
        if ($zip->open($zipPath, \ZipArchive::CREATE | \ZipArchive::OVERWRITE) !== true) {
            throw new \RuntimeException("Cannot create zip archive at: $zipPath");
        }

        $files = new \RecursiveIteratorIterator(
            new \RecursiveDirectoryIterator($outDir, \RecursiveDirectoryIterator::SKIP_DOTS),
            \RecursiveIteratorIterator::LEAVES_ONLY
        );

        foreach ($files as $file) {
            if (!$file->isDir()) {
                $filePath = $file->getRealPath();
                $relativePath = substr($filePath, strlen(realpath($outDir)) + 1);
                $zip->addFile($filePath, $relativePath);
            }
        }

        $zip->close();
    }

    /**
     * Generates the YOOtheme builder element.json for the parent element.
     */
    public function compileParentSchema(): array
    {
        $fields = [];
        $defaults = [];
        $tabs = [];

        foreach ($this->spec['tabs'] ?? [] as $tab) {
            $tabTitle = $tab['title'] ?? 'General';
            $tabFieldNames = [];

            foreach ($tab['fields'] ?? [] as $f) {
                $fName = $f['name'];
                $tabFieldNames[] = $fName;

                $fieldDef = [
                    'label' => $f['label'] ?? ucfirst(str_replace('_', ' ', $fName)),
                    'type'  => $this->mapFieldType($f['type'] ?? 'text'),
                ];

                if (isset($f['description'])) {
                    $fieldDef['description'] = $f['description'];
                }
                if (isset($f['options']) && is_array($f['options'])) {
                    $fieldDef['options'] = $f['options'];
                }
                if (isset($f['show'])) {
                    $fieldDef['show'] = $f['show'];
                }

                $fields[$fName] = $fieldDef;
                if (isset($f['default'])) {
                    $defaults[$fName] = $f['default'];
                }
            }

            $tabs[] = [
                'title'  => $tabTitle,
                'fields' => $tabFieldNames,
            ];
        }

        // Append builder.advanced tab for standard YOOtheme advanced controls
        $tabs[] = '${builder.advanced}';

        $schema = [
            '@import'   => './element.php',
            'name'      => $this->name(),
            'title'     => $this->spec['title'],
            'group'     => $this->spec['group'] ?? 'Workflow Elements',
            'icon'      => '${url:images/icon.svg}',
            'iconSmall' => '${url:images/iconSmall.svg}',
            'element'   => true,
            'container' => $this->isContainer(),
            'width'     => 500,
            'defaults'  => $defaults,
            'templates' => [
                'render' => './templates/template.php',
            ],
            'fields'    => $fields,
            'fieldset'  => [
                'default' => [
                    'type'   => 'tabs',
                    'fields' => $tabs,
                ],
            ],
        ];

        return $schema;
    }

    /**
     * Generates the YOOtheme builder element.json for the child item element.
     */
    public function compileItemSchema(): array
    {
        $itemSpec = $this->spec['item'] ?? [];
        $itemName = $this->itemName();
        $itemTitle = $itemSpec['title'] ?? ($this->spec['title'] . ' Record');

        $fields = [];
        $defaults = [];
        $tabs = [];

        foreach ($itemSpec['tabs'] ?? [] as $tab) {
            $tabTitle = $tab['title'] ?? 'Record';
            $tabFieldNames = [];

            foreach ($tab['fields'] ?? [] as $f) {
                $fName = $f['name'];
                $tabFieldNames[] = $fName;

                $fieldDef = [
                    'label' => $f['label'] ?? ucfirst(str_replace('_', ' ', $fName)),
                    'type'  => $this->mapFieldType($f['type'] ?? 'text'),
                ];

                if (isset($f['description'])) {
                    $fieldDef['description'] = $f['description'];
                }
                if (isset($f['options']) && is_array($f['options'])) {
                    $fieldDef['options'] = $f['options'];
                }
                if (isset($f['show'])) {
                    $fieldDef['show'] = $f['show'];
                }

                $fields[$fName] = $fieldDef;
                if (isset($f['default'])) {
                    $defaults[$fName] = $f['default'];
                }
            }

            $tabs[] = [
                'title'  => $tabTitle,
                'fields' => $tabFieldNames,
            ];
        }

        $tabs[] = '${builder.advanced}';

        return [
            '@import'   => './element.php',
            'name'      => $itemName,
            'title'     => $itemTitle,
            'width'     => 500,
            'defaults'  => $defaults,
            'templates' => [
                'render' => './templates/template.php',
            ],
            'fields'    => $fields,
            'fieldset'  => [
                'default' => [
                    'type'   => 'tabs',
                    'fields' => $tabs,
                ],
            ],
        ];
    }

    /**
     * Hydrates an intelligent domain pipeline payload into a complete YOOtheme builder layout tree.
     */
    public function hydrateLayout(array $payload, array $overrides = []): array
    {
        $parentProps = array_merge(
            $this->extractParentProps($payload),
            $overrides['props'] ?? []
        );

        $children = [];
        if ($this->isContainer()) {
            $rawItems = $payload['items'] ?? $payload['records'] ?? $payload['agenda'] ?? [];
            foreach ($rawItems as $rawItem) {
                $children[] = [
                    'type'  => $this->itemName(),
                    'props' => $this->extractItemProps($rawItem),
                ];
            }
        }

        return [
            'type'     => 'layout',
            'version'  => '5.0.0',
            'children' => [
                [
                    'type'     => 'section',
                    'props'    => [
                        'style'   => 'default',
                        'width'   => 'default',
                        'padding' => 'default',
                    ],
                    'children' => [
                        [
                            'type'     => 'row',
                            'children' => [
                                [
                                    'type'     => 'column',
                                    'props'    => ['image_position' => 'center-center'],
                                    'children' => [
                                        [
                                            'type'     => $this->name(),
                                            'props'    => $parentProps,
                                            'children' => $children,
                                        ],
                                    ],
                                ],
                            ],
                        ],
                    ],
                ],
            ],
        ];
    }

    private function extractParentProps(array $payload): array
    {
        $props = [];
        foreach ($this->spec['tabs'] ?? [] as $tab) {
            foreach ($tab['fields'] ?? [] as $f) {
                $k = $f['name'];
                if (array_key_exists($k, $payload)) {
                    $props[$k] = $payload[$k];
                } elseif (isset($f['default'])) {
                    $props[$k] = $f['default'];
                }
            }
        }
        return $props;
    }

    private function extractItemProps(array $rawItem): array
    {
        $props = [];
        $itemTabs = $this->spec['item']['tabs'] ?? [];
        foreach ($itemTabs as $tab) {
            foreach ($tab['fields'] ?? [] as $f) {
                $k = $f['name'];
                if (array_key_exists($k, $rawItem)) {
                    $props[$k] = $rawItem[$k];
                } elseif (isset($f['default'])) {
                    $props[$k] = $f['default'];
                }
            }
        }
        return $props;
    }

    private function compileElementPhp(): string
    {
        return <<<'PHP'
<?php
namespace YOOtheme;

return [
    'transforms' => [
        'render' => function ($node) {
            // Ensure child records are available
            $node->children = $node->children ?? [];
            return $node;
        },
    ],
];
PHP;
    }

    private function compileItemPhp(): string
    {
        return <<<'PHP'
<?php
namespace YOOtheme;

return [
    'transforms' => [
        'render' => function ($node) {
            return $node;
        },
    ],
];
PHP;
    }

    private function compileParentTemplate(): string
    {
        return <<<'PHP'
<?php
defined('_JEXEC') or die;

$props = $props ?? [];
$children = $children ?? [];

$title = htmlspecialchars((string) ($props['title'] ?? ''), ENT_QUOTES, 'UTF-8');
$summary = htmlspecialchars((string) ($props['summary'] ?? ''), ENT_QUOTES, 'UTF-8');
$mediaUrl = (string) ($props['recording_url'] ?? $props['live_url'] ?? '');
$mediaMode = (string) ($props['media_mode'] ?? 'none');
$cardStyle = (string) ($props['card_style'] ?? 'default');
$headingLevel = (string) ($props['heading_level'] ?? 'h2');
$layout = (string) ($props['layout'] ?? 'workspace');
$status = (string) ($props['meeting_status'] ?? $props['status'] ?? '');

$badgeClass = 'uk-badge';
if (in_array($status, ['live', 'active'])) {
    $badgeClass .= ' uk-label-danger';
} elseif (in_array($status, ['complete', 'approved'])) {
    $badgeClass .= ' uk-label-success';
}

$elementId = 'wf-' . substr(md5($title . ($props['meeting_key'] ?? '')), 0, 8);
?>
<div id="<?= $elementId ?>" class="fyoo-workflow-container uk-margin-medium-bottom">
    <div class="uk-card uk-card-<?= htmlspecialchars($cardStyle, ENT_QUOTES, 'UTF-8') ?> uk-card-body uk-card-hover uk-border-rounded">
        
        <!-- Workflow Header -->
        <div class="uk-flex uk-flex-between uk-flex-middle uk-flex-wrap uk-margin-small-bottom">
            <div>
                <?php if (!empty($props['body_name'])): ?>
                    <span class="uk-text-meta uk-text-uppercase uk-text-bold"><?= htmlspecialchars($props['body_name'], ENT_QUOTES, 'UTF-8') ?></span>
                <?php endif; ?>
                <<?= $headingLevel ?> class="uk-margin-remove-top uk-margin-small-bottom"><?= $title ?></<?= $headingLevel ?>>
            </div>
            <?php if ($status !== ''): ?>
                <div>
                    <span class="<?= $badgeClass ?>"><?= htmlspecialchars(strtoupper($status), ENT_QUOTES, 'UTF-8') ?></span>
                </div>
            <?php endif; ?>
        </div>

        <?php if ($summary !== ''): ?>
            <p class="uk-text-muted uk-margin-small-bottom"><?= $summary ?></p>
        <?php endif; ?>

        <!-- Split Workspace Layout -->
        <div class="uk-grid-match uk-grid-medium uk-margin-medium-top" uk-grid>
            
            <!-- Media & Details Column -->
            <?php if ($mediaMode !== 'none' && $mediaUrl !== ''): ?>
                <div class="uk-width-2-5@m">
                    <div class="uk-card uk-card-default uk-card-body uk-padding-small uk-border-rounded" uk-sticky="offset: 24; bottom: #<?= $elementId ?>;">
                        <div class="uk-cover-container uk-height-medium uk-border-rounded">
                            <?php if (str_contains($mediaUrl, 'youtube.com') || str_contains($mediaUrl, 'youtu.be') || str_contains($mediaUrl, 'vimeo.com')): ?>
                                <iframe src="<?= htmlspecialchars($mediaUrl, ENT_QUOTES, 'UTF-8') ?>" uk-cover uk-responsive frameborder="0" allowfullscreen></iframe>
                            <?php else: ?>
                                <video id="<?= $elementId ?>-player" class="uk-width-1-1 uk-border-rounded" controls <?= !empty($props['poster']) ? 'poster="' . htmlspecialchars($props['poster'], ENT_QUOTES, 'UTF-8') . '"' : '' ?>>
                                    <source src="<?= htmlspecialchars($mediaUrl, ENT_QUOTES, 'UTF-8') ?>" type="video/mp4">
                                    <?php if (!empty($props['captions_url'])): ?>
                                        <track kind="captions" src="<?= htmlspecialchars($props['captions_url'], ENT_QUOTES, 'UTF-8') ?>" srclang="en" label="English" default>
                                    <?php endif; ?>
                                </video>
                            <?php endif; ?>
                        </div>

                        <?php if (!empty($props['starts_at']) || !empty($props['location'])): ?>
                            <ul class="uk-list uk-list-divider uk-margin-small-top uk-text-small">
                                <?php if (!empty($props['starts_at'])): ?>
                                    <li><span uk-icon="icon: calendar; ratio: 0.8" class="uk-margin-small-right"></span><?= htmlspecialchars($props['starts_at'], ENT_QUOTES, 'UTF-8') ?></li>
                                <?php endif; ?>
                                <?php if (!empty($props['location'])): ?>
                                    <li><span uk-icon="icon: location; ratio: 0.8" class="uk-margin-small-right"></span><?= htmlspecialchars($props['location'], ENT_QUOTES, 'UTF-8') ?></li>
                                <?php endif; ?>
                            </ul>
                        <?php endif; ?>
                    </div>
                </div>
            <?php endif; ?>

            <!-- Records & Pipeline Items Column -->
            <div class="<?= ($mediaMode !== 'none' && $mediaUrl !== '') ? 'uk-width-3-5@m' : 'uk-width-1-1' ?>">
                <?php if (!empty($props['show_filters']) && !empty($children)): ?>
                    <div uk-filter="target: .js-workflow-filter">
                        <ul class="uk-subnav uk-subnav-pill uk-margin-small-bottom">
                            <li class="uk-active" uk-filter-control><a href="#">All</a></li>
                            <li uk-filter-control="filter: [data-kind='agenda']"><a href="#">Agenda</a></li>
                            <li uk-filter-control="filter: [data-kind='resource']"><a href="#">Documents</a></li>
                            <li uk-filter-control="filter: [data-kind='chapter']"><a href="#">Chapters</a></li>
                        </ul>

                        <ul class="js-workflow-filter uk-list uk-list-medium">
                            <?php foreach ($children as $child): ?>
                                <li><?= $builder->render($child) ?></li>
                            <?php endforeach; ?>
                        </ul>
                    </div>
                <?php else: ?>
                    <ul class="uk-list uk-list-medium">
                        <?php foreach ($children as $child): ?>
                            <li><?= $builder->render($child) ?></li>
                        <?php endforeach; ?>
                    </ul>
                <?php endif; ?>
            </div>

        </div>
    </div>
</div>
PHP;
    }

    private function compileItemTemplate(): string
    {
        return <<<'PHP'
<?php
defined('_JEXEC') or die;

$props = $props ?? [];
$type = (string) ($props['record_type'] ?? 'agenda');
$title = htmlspecialchars((string) ($props['title'] ?? ''), ENT_QUOTES, 'UTF-8');
$desc = htmlspecialchars((string) ($props['description'] ?? ''), ENT_QUOTES, 'UTF-8');
$num = htmlspecialchars((string) ($props['agenda_number'] ?? ''), ENT_QUOTES, 'UTF-8');
$outcome = (string) ($props['outcome'] ?? '');
$link = (string) ($props['link'] ?? '');
$startTime = (string) ($props['start_time'] ?? '');
$speaker = (string) ($props['speaker'] ?? $props['presenter'] ?? '');
?>
<div class="uk-card uk-card-default uk-card-small uk-card-body uk-border-rounded uk-box-shadow-hover-small" data-kind="<?= htmlspecialchars($type, ENT_QUOTES, 'UTF-8') ?>">
    <div class="uk-flex uk-flex-between uk-flex-middle">
        <div class="uk-flex uk-flex-middle">
            <?php if ($num !== ''): ?>
                <span class="uk-badge uk-margin-small-right"><?= $num ?></span>
            <?php endif; ?>
            <h4 class="uk-margin-remove uk-text-bold"><?= $title ?></h4>
        </div>
        <div>
            <?php if ($outcome !== ''): ?>
                <span class="uk-label uk-label-<?= ($outcome === 'approved' ? 'success' : ($outcome === 'tabled' ? 'warning' : 'muted')) ?>"><?= htmlspecialchars(strtoupper($outcome), ENT_QUOTES, 'UTF-8') ?></span>
            <?php endif; ?>
            <?php if ($startTime !== ''): ?>
                <span class="uk-label uk-label-primary"><span uk-icon="icon: play; ratio: 0.6"></span> <?= htmlspecialchars($startTime, ENT_QUOTES, 'UTF-8') ?></span>
            <?php endif; ?>
        </div>
    </div>

    <?php if ($desc !== ''): ?>
        <p class="uk-margin-small-top uk-margin-remove-bottom uk-text-small uk-text-muted"><?= $desc ?></p>
    <?php endif; ?>

    <?php if ($speaker !== ''): ?>
        <div class="uk-text-meta uk-margin-xsmall-top"><span uk-icon="icon: user; ratio: 0.7"></span> <?= htmlspecialchars($speaker, ENT_QUOTES, 'UTF-8') ?></div>
    <?php endif; ?>

    <?php if ($link !== ''): ?>
        <div class="uk-margin-small-top">
            <a href="<?= htmlspecialchars($link, ENT_QUOTES, 'UTF-8') ?>" class="uk-button uk-button-default uk-button-small" target="_blank">
                <span uk-icon="icon: download; ratio: 0.7"></span> View Resource
            </a>
        </div>
    <?php endif; ?>
</div>
PHP;
    }

    private function compileParentContent(): string
    {
        return <<<'PHP'
<?php
defined('_JEXEC') or die;

$props = is_array($props ?? null) ? $props : [];
$children = is_array($children ?? null) ? $children : [];
$title = is_string($props['title'] ?? null) ? trim($props['title']) : '';
?>
<?php if ($title !== '') : ?>
<p><strong><?= htmlspecialchars($title, ENT_QUOTES | ENT_SUBSTITUTE, 'UTF-8') ?></strong></p>
<?php endif; ?>
<?php if ($children !== []) : ?>
<ol>
    <?php foreach ($children as $child) : ?>
    <li><?= $builder->render($child, ['element' => $props]) ?></li>
    <?php endforeach; ?>
</ol>
<?php endif; ?>
PHP;
    }

    private function compileItemContent(): string
    {
        return <<<'PHP'
<?php
defined('_JEXEC') or die;

$props = is_array($props ?? null) ? $props : [];
$title = is_string($props['title'] ?? null) ? trim($props['title']) : '';
$desc = is_string($props['description'] ?? null) ? trim($props['description']) : '';
?>
<?php if ($title !== '') : ?>
<strong><?= htmlspecialchars($title, ENT_QUOTES | ENT_SUBSTITUTE, 'UTF-8') ?></strong>
<?php endif; ?>
<?php if ($desc !== '') : ?>
<p><?= htmlspecialchars($desc, ENT_QUOTES | ENT_SUBSTITUTE, 'UTF-8') ?></p>
<?php endif; ?>
PHP;
    }

    private function mapFieldType(string $type): string
    {
        return match ($type) {
            'text'     => 'text',
            'textarea' => 'textarea',
            'editor'   => 'editor',
            'select'   => 'select',
            'checkbox' => 'checkbox',
            'color'    => 'color',
            'image'    => 'image',
            'video'    => 'video',
            'number'   => 'number',
            'range'    => 'range',
            default    => 'text',
        };
    }

    private function defaultIconSvg(): string
    {
        return '<svg width="20" height="20" viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><circle fill="none" stroke="#000" stroke-width="1.1" cx="10" cy="10" r="9"/><polygon points="8,5 14,10 8,15" fill="#000"/></svg>';
    }

    private function defaultIconSmallSvg(): string
    {
        return '<svg width="14" height="14" viewBox="0 0 14 14" xmlns="http://www.w3.org/2000/svg"><circle fill="none" stroke="#000" stroke-width="1" cx="7" cy="7" r="6"/></svg>';
    }
}