theme-customizer.php

<?php
 
# Prevent direct access
if (!defined('IN_GS')) { die('You cannot load this file directly!'); }

# Plugin info
$thisfile = basename(__FILE__, ".php");

# Define constants early
define('TC_PLUGIN_ID', $thisfile);
define('TC_PLUGIN_PATH', GSPLUGINPATH . $thisfile . '/');
define('TC_DATA_PATH', GSDATAOTHERPATH . $thisfile . '/');
define('TC_SETTINGS_FILE', TC_DATA_PATH . 'settings.xml');

# Load i18n
i18n_merge(TC_PLUGIN_ID) || i18n_merge(TC_PLUGIN_ID, 'en_US');

# Register plugin
register_plugin(
    $thisfile,
    i18n_r(TC_PLUGIN_ID . '/PLUGIN_NAME'),
    '1.0.0',
    'Multicolor',
    'https://ko-fi.com/multicolorplugins',
    i18n_r(TC_PLUGIN_ID . '/PLUGIN_DESC'),
    'theme',
    'tc_main_router'
);

# Add admin menus with translations
add_action('theme-sidebar', 'createSideMenu', array(
    $thisfile, 
    i18n_r(TC_PLUGIN_ID . '/MENU_CUSTOMIZER')
));
add_action('theme-sidebar', 'createSideMenu', array(
    $thisfile . '&help', 
    i18n_r(TC_PLUGIN_ID . '/MENU_HELP')
));

# IMPORTANT: Intercept AJAX before generating HTML
add_action('admin-pre-header', 'tc_intercept_ajax');

# Create data directory
if (!file_exists(TC_DATA_PATH)) {
    mkdir(TC_DATA_PATH, 0755, true);
}

# Include main class
require_once(TC_PLUGIN_PATH . 'inc/class.customizer.php');

# Global variables for API
$tc_customizer_instance = null;

/**
 * Auto-override tc_get_option in preview mode
 */
add_action('index-pretemplate', 'tc_auto_preview_override', 1);

function tc_auto_preview_override() {
    if (isset($_GET['tc_preview']) && $_GET['tc_preview'] == '1') {
        // Store preview values in global variable
        global $tc_preview_overrides;
        $tc_preview_overrides = array();
        
        foreach ($_GET as $key => $value) {
            if (strpos($key, 'tc_') === 0 && $key !== 'tc_preview') {
                $setting_id = substr($key, 3); // Remove 'tc_' prefix
                $tc_preview_overrides[$setting_id] = $value;
            }
        }
    }
}

/**
 * Restore original settings after template render
 */
add_action('index-posttemplate', 'tc_auto_preview_restore', 999);

function tc_auto_preview_restore() {
    global $tc_preview_original_settings;
    if (isset($tc_preview_original_settings)) {
        tc_get_customizer()->settings = $tc_preview_original_settings;
    }
}

/**
 * Intercept AJAX requests BEFORE any output
 */
function tc_intercept_ajax() {
    // Check if this is our AJAX request
    if (!empty($_POST['tc_ajax_action']) && isset($_GET['id']) && $_GET['id'] === 'theme-customizer') {
        
        // Stop ALL output buffering
        while (ob_get_level()) {
            ob_end_clean();
        }
        
        // Call AJAX handler
        tc_ajax_handler();
        exit; // Stop everything
    }
}

/**
 * Intercept image upload requests
 */
add_action('admin-pre-header', 'tc_intercept_upload');

function tc_intercept_upload() {
    // Check if this is our upload request
    if (!empty($_FILES['tc_image']) && isset($_GET['id']) && $_GET['id'] === 'theme-customizer' && isset($_GET['upload'])) {
        
        // Stop ALL output buffering
        while (ob_get_level()) {
            ob_end_clean();
        }
        
        tc_handle_image_upload();
        exit;
    }
}

/**
 * Handle image upload
 */
function tc_handle_image_upload() {
    header('Content-Type: application/json');
    
    // Check authorization
    if (!cookie_check()) {
        echo json_encode(array(
            'success' => false, 
            'message' => i18n_r(TC_PLUGIN_ID . '/MSG_NOT_AUTHORIZED')
        ));
        exit;
    }
    
    if (!isset($_FILES['tc_image'])) {
        echo json_encode(array(
            'success' => false, 
            'message' => i18n_r(TC_PLUGIN_ID . '/ERROR_NO_FILE')
        ));
        exit;
    }
    
    $file = $_FILES['tc_image'];
    
    // Validate image
    $allowed = array('jpg', 'jpeg', 'png', 'gif', 'webp', 'svg');
    $filename = $file['name'];
    $ext = strtolower(pathinfo($filename, PATHINFO_EXTENSION));
    
    if (!in_array($ext, $allowed)) {
        $allowed_types = implode(', ', array_map('strtoupper', $allowed));
        echo json_encode(array(
            'success' => false, 
            'message' => i18n_r(TC_PLUGIN_ID . '/MSG_INVALID_FILE') . '. ' . 
                        i18n_r(TC_PLUGIN_ID . '/UPLOAD_ALLOWED') . ': ' . $allowed_types
        ));
        exit;
    }
    
    // Check file size (max 5MB)
    if ($file['size'] > 5 * 1024 * 1024) {
        echo json_encode(array(
            'success' => false, 
            'message' => i18n_r(TC_PLUGIN_ID . '/MSG_FILE_TOO_LARGE')
        ));
        exit;
    }
    
    // Check for upload errors
    if ($file['error'] !== UPLOAD_ERR_OK) {
        echo json_encode(array(
            'success' => false, 
            'message' => i18n_r(TC_PLUGIN_ID . '/ERROR_UPLOAD') . ': ' . $file['error']
        ));
        exit;
    }
    
    // Generate unique filename
    $new_filename = time() . '_' . preg_replace('/[^a-zA-Z0-9._-]/', '', $filename);
    $upload_path = GSDATAUPLOADPATH . $new_filename;
    
    // Move uploaded file
    if (move_uploaded_file($file['tmp_name'], $upload_path)) {
        // Return relative URL
        $image_url = '../data/uploads/' . $new_filename;
        
        echo json_encode(array(
            'success' => true,
            'filename' => $new_filename,
            'url' => $image_url,
            'message' => i18n_r(TC_PLUGIN_ID . '/MSG_UPLOAD_SUCCESS')
        ));
    } else {
        echo json_encode(array(
            'success' => false, 
            'message' => i18n_r(TC_PLUGIN_ID . '/ERROR_SAVE_PATH') . ' ' . GSDATAUPLOADPATH
        ));
    }
    
    exit;
}

/**
 * Main Router - handles subpages
 */
function tc_main_router() {
    // Help page
    if (isset($_GET['help'])) {
        include(TC_PLUGIN_PATH . 'help.inc.php');
        return;
    }
    
    // Default - Customizer page
    include(TC_PLUGIN_PATH . 'customizer.inc.php');
}

/**
 * Helper Functions for Templates
 */

function tc_get_customizer() {
    global $tc_customizer_instance;
    
    if ($tc_customizer_instance === null) {
        $tc_customizer_instance = TemplateCustomizer::getInstance();
    }
    
    return $tc_customizer_instance;
}

function tc_get_option($id, $default = '') {
    return tc_get_customizer()->getSetting($id, $default);
}

function tc_set_option($id, $value) {
    return tc_get_customizer()->setSetting($id, $value);
}

function tc_add_panel($id, $args = array()) {
    return tc_get_customizer()->addPanel($id, $args);
}

function tc_add_section($id, $args = array()) {
    return tc_get_customizer()->addSection($id, $args);
}

function tc_add_setting($id, $args = array()) {
    return tc_get_customizer()->addSetting($id, $args);
}

function tc_add_control($id, $args = array()) {
    return tc_get_customizer()->addControl($id, $args);
}

function tc_remove($type, $id) {
    return tc_get_customizer()->remove($type, $id);
}

/**
 * Get active template name
 */
function tc_get_active_template() {
    global $TEMPLATE;
    
    // Try global variable first
    if (isset($TEMPLATE) && !empty($TEMPLATE)) {
        return $TEMPLATE;
    }
    
    // Try reading from config file
    $settings_file = GSDATAOTHERPATH . 'website.xml';
    
    if (file_exists($settings_file)) {
        $data = getXML($settings_file);
        if (isset($data->TEMPLATE)) {
            return (string)$data->TEMPLATE;
        }
    }
    
    // Fallback to default
    return 'Innovation';
}

/**
 * AJAX handler for saving settings
 */
function tc_ajax_handler() {
    // Set headers
    http_response_code(200);
    header('Content-Type: application/json; charset=utf-8');
    header('Cache-Control: no-cache, must-revalidate');
    header('Expires: 0');
    
    // Validate request
    if (!isset($_POST['tc_ajax_action'])) {
        echo json_encode(array(
            'success' => false, 
            'message' => i18n_r(TC_PLUGIN_ID . '/ERROR_NO_ACTION')
        ));
        exit;
    }
    
    if (!isset($_POST['nonce']) || !check_nonce($_POST['nonce'], 'tc_live_preview')) {
        echo json_encode(array(
            'success' => false, 
            'message' => i18n_r(TC_PLUGIN_ID . '/ERROR_INVALID_TOKEN')
        ));
        exit;
    }
    
    try {
        $customizer = tc_get_customizer();
        $settings = isset($_POST['settings']) ? $_POST['settings'] : array();
        
        // Process settings
        foreach ($settings as $key => $value) {
            $customizer->setSetting($key, $value);
        }
        
        // Save or just preview
        if ($_POST['tc_ajax_action'] === 'save_final') {
            if ($customizer->save()) {
                echo json_encode(array(
                    'success' => true, 
                    'message' => i18n_r(TC_PLUGIN_ID . '/MSG_SAVE_SUCCESS'),
                    'count' => count($settings)
                ));
            } else {
                echo json_encode(array(
                    'success' => false, 
                    'message' => i18n_r(TC_PLUGIN_ID . '/ERROR_SAVE_FILE')
                ));
            }
        } else {
            // Just preview
            echo json_encode(array(
                'success' => true, 
                'message' => i18n_r(TC_PLUGIN_ID . '/PREVIEW_REFRESH'),
                'count' => count($settings)
            ));
        }
        
    } catch (Exception $e) {
        echo json_encode(array(
            'success' => false, 
            'message' => i18n_r(TC_PLUGIN_ID . '/ERROR_EXCEPTION') . ': ' . $e->getMessage()
        ));
    }
    
    exit;
}

/**
 * Render control for live preview
 */
function tc_render_control_live($id, $control) {
    $customizer = tc_get_customizer();
    $value = $customizer->getSetting($id, $control['settings'] ?? '');
    $type = $control['type'] ?? 'text';
    $label = $control['label'] ?? '';
    $description = $control['description'] ?? '';
    $choices = $control['choices'] ?? array();
    $input_attrs = $control['input_attrs'] ?? array();
    
    // Get default value from settings
    $settings = $customizer->getSettings();
    $default_value = isset($settings[$id]['default']) ? $settings[$id]['default'] : '';
    
    echo '<div class="tc-control-item tc-control-' . $type . '" data-control-id="' . $id . '" data-default-value="' . htmlspecialchars($default_value) . '">';
    
    if (!empty($label)) {
        echo '<div class="tc-control-header">';
        echo '<label class="tc-control-label">' . htmlspecialchars($label) . '</label>';
        
        // Add reset button if value differs from default
        if ($value !== $default_value && $default_value !== '') {
            echo '<button type="button" class="tc-reset-btn" data-setting-id="' . $id . '" title="' . i18n_r(TC_PLUGIN_ID . '/CONTROL_RESET_TO_DEFAULT') . '">';
            echo '<i class="fa fa-undo"></i>';
            echo '</button>';
        }
        
        echo '</div>';
    }
    
    if (!empty($description)) {
        echo '<p class="tc-control-description">' . htmlspecialchars($description) . '</p>';
    }
    
    $attrs_string = 'data-setting-id="' . $id . '" class="tc-input"';
    foreach ($input_attrs as $attr => $attr_value) {
        $attrs_string .= ' ' . $attr . '="' . htmlspecialchars($attr_value) . '"';
    }
    
    echo '<div class="tc-control-input">';
    
    switch ($type) {
        case 'text':
        case 'email':
        case 'url':
        case 'number':
            echo '<input type="' . $type . '" value="' . htmlspecialchars($value) . '" ' . $attrs_string . '>';
            break;
            
        case 'textarea':
            echo '<textarea rows="4" ' . $attrs_string . '>' . htmlspecialchars($value) . '</textarea>';
            break;
            
        case 'checkbox':
            echo '<label class="tc-checkbox-wrapper">';
            echo '<input type="checkbox" value="1" ' . ($value ? 'checked' : '') . ' ' . $attrs_string . '>';
            echo '<span class="tc-checkbox-slider"></span>';
            echo '</label>';
            break;
            
        case 'radio':
            foreach ($choices as $choice_value => $choice_label) {
                echo '<label class="tc-radio-wrapper">';
                echo '<input type="radio" value="' . htmlspecialchars($choice_value) . '" ' . ($value == $choice_value ? 'checked' : '') . ' ' . $attrs_string . '>';
                echo '<span class="tc-radio-label">' . htmlspecialchars($choice_label) . '</span>';
                echo '</label>';
            }
            break;
            
        case 'select':
        case 'dropdown':
            echo '<select ' . $attrs_string . '>';
            foreach ($choices as $choice_value => $choice_label) {
                echo '<option value="' . htmlspecialchars($choice_value) . '" ' . ($value == $choice_value ? 'selected' : '') . '>' . htmlspecialchars($choice_label) . '</option>';
            }
            echo '</select>';
            break;
            
        case 'color':
            echo '<div class="tc-color-picker">';
            echo '<input type="color" value="' . htmlspecialchars($value) . '" ' . $attrs_string . '>';
            echo '<input type="text" value="' . htmlspecialchars($value) . '" class="tc-color-input" readonly>';
            echo '</div>';
            break;

        case 'page':
            // Get all pages from GetSimple
            $pages = array();
            
            if (function_exists('get_available_pages')) {
                global $pagesArray;
                if (empty($pagesArray)) {
                    get_available_pages();
                }
                
                foreach ($pagesArray as $page) {
                    $pages[$page['url']] = $page['title'] . ' (' . $page['url'] . ')';
                }
            }
            ?>
            <select class="tc-input" data-setting-id="<?php echo $control['settings']; ?>">
                <option value=""><?php i18n(TC_PLUGIN_ID . '/CONTROL_SELECT_PAGE'); ?></option>
                <?php foreach ($pages as $slug => $title): ?>
                    <option value="<?php echo htmlspecialchars($slug); ?>" <?php echo ($value === $slug) ? 'selected' : ''; ?>>
                        <?php echo htmlspecialchars($title); ?>
                    </option>
                <?php endforeach; ?>
            </select>
            <?php
            break;
            
        case 'range':
            $min = $input_attrs['min'] ?? 0;
            $max = $input_attrs['max'] ?? 100;
            $step = $input_attrs['step'] ?? 1;
            echo '<div class="tc-range-wrapper">';
            echo '<input type="range" value="' . htmlspecialchars($value) . '" min="' . $min . '" max="' . $max . '" step="' . $step . '" ' . $attrs_string . '>';
            echo '<span class="tc-range-value">' . htmlspecialchars($value) . '</span>';
            echo '</div>';
            break;
            
        case 'image':
        case 'media':
            echo '<div class="tc-image-control">';
            echo '<input type="text" value="' . htmlspecialchars($value) . '" ' . $attrs_string . ' placeholder="' . i18n_r(TC_PLUGIN_ID . '/UPLOAD_SELECT') . '">';
            echo '<button type="button" class="tc-image-btn"><i class="fa fa-upload"></i> ' . i18n_r(TC_PLUGIN_ID . '/CONTROL_UPLOAD_IMAGE') . '</button>';
            if (!empty($value)) {
                echo '<div class="tc-image-thumb">';
                echo '<img src="' . htmlspecialchars($value) . '" alt="Preview">';
                echo '<button type="button" class="tc-remove-image" title="' . i18n_r(TC_PLUGIN_ID . '/CONTROL_REMOVE_IMAGE') . '"><i class="fa fa-times"></i></button>';
                echo '</div>';
            }
            echo '</div>';
            break;
    }
    
    echo '</div>'; // .tc-control-input
    echo '</div>'; // .tc-control-item
}

/**
 * Initialize default sections for themes
 */
add_action('index-pretemplate', 'tc_initialize_defaults');
add_action('theme-customizer-init', 'tc_initialize_defaults');

function tc_initialize_defaults() {
    static $loaded = false;
    
    if ($loaded) return;
    $loaded = true;
    
    $template = tc_get_active_template();
    
    if (!$template) return;
    
    $theme_customizer_file = GSTHEMESPATH . $template . '/customizer.php';
    
    if (file_exists($theme_customizer_file)) {
        include_once($theme_customizer_file);
    }
}

/**
 * Add floating "Edit Template" button on frontend for logged-in users
 */
add_action('theme-header', 'tc_add_floating_edit_button');

function tc_add_floating_edit_button() {
    // Only show if user is logged in
    if (!cookie_check()) {
        return;
    }
    
    // Hide in admin panel
    if (defined('IN_GS_ADMIN') || strpos($_SERVER['REQUEST_URI'], '/admin/') !== false) {
        return;
    }
    
    // Hide in preview mode (customizer iframe)
    if (isset($_GET['tc_preview']) && $_GET['tc_preview'] == '1') {
        return;
    }
    
    // Get site URL and plugin ID
    global $SITEURL;
    $customizer_url = $SITEURL . 'admin/load.php?id=' . TC_PLUGIN_ID;
    
    ?>
    <style>
        .tc-floating-edit-btn {
            position: fixed;
            left: 20px;
            top: 50%;
            transform: translateY(-50%);
            z-index: 99999;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: #fff;
            border: none;
            border-radius: 30px;
            padding: 15px 20px;
            box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
            cursor: pointer;
            font-size: 14px;
            font-weight: 600;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: all 0.3s ease;
            writing-mode: vertical-rl;
            text-orientation: mixed;
        }
        
        .tc-floating-edit-btn:hover {
            transform: translateY(-50%) translateX(-5px);
            box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
            background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
        }
        
        .tc-floating-edit-btn i {
            font-size: 16px;
        }
        
        @media (max-width: 768px) {
            .tc-floating-edit-btn {
                left: 10px;
                padding: 12px 15px;
                font-size: 12px;
            }
        }
    </style>
    
    <a href="<?php echo $customizer_url; ?>" class="tc-floating-edit-btn" title="<?php i18n(TC_PLUGIN_ID . '/BTN_EDIT_TEMPLATE'); ?>">
        <i class="fa fa-paint-brush"></i>
        <span><?php i18n(TC_PLUGIN_ID . '/BTN_EDIT_TEMPLATE'); ?></span>
    </a>
    <?php
}

/**
 * Restore scroll position in preview mode
 */
add_action('content-top', 'tc_restore_scroll_position');

function tc_restore_scroll_position() {
    if (isset($_GET['tc_preview']) && $_GET['tc_preview'] == '1') {
        $scroll_pos = isset($_GET['tc_scroll']) ? intval($_GET['tc_scroll']) : 0;
        ?>
        <script>
        (function() {
            var scrollPos = <?php echo $scroll_pos; ?>;
            console.log('TC: Should scroll to:', scrollPos);
            
            function doScroll() {
                if (scrollPos > 0) {
                    window.scrollTo(0, scrollPos);
                    document.documentElement.scrollTop = scrollPos;
                    document.body.scrollTop = scrollPos;
                    console.log('TC: Scrolled to:', scrollPos);
                    console.log('TC: Current scroll:', window.scrollY);
                }
            }
            
            // Try immediately
            doScroll();
            
            // Try on DOMContentLoaded
            if (document.readyState === 'loading') {
                document.addEventListener('DOMContentLoaded', doScroll);
            }
            
            // Try on window load (final attempt)
            window.addEventListener('load', function() {
                setTimeout(doScroll, 100);
            });
        })();
        </script>
        <?php
    }
}