<?php

function theme_get_color_styles(){
    global $_theme_colors;
    if (empty($_theme_colors)) {
        $_theme_colors = array();
        foreach(glob(get_theme_root() . '/' . get_template() . '/colors/*.css') as $color_file){
            if(preg_match('/Style name: "(.*?)"/i', file_get_contents($color_file), $match)){
                $_theme_colors[basename($color_file, ".css")] = trim($match[1]);
            }
        }
    }
    return $_theme_colors;
}

function theme_color_styles() {
    wp_register_style('css_main', get_bloginfo('template_directory') . '/stylesheets/styles.css');
    $_theme_colors = theme_get_color_styles();
    foreach ($_theme_colors as $color => $name) {
        wp_register_style("css_{$color}", get_bloginfo('template_directory') . "/colors/{$color}.css", array('css_main'), false, 'screen');
    }
    global $wp_styles;
    reset($_theme_colors);
    $default = get_option('default_theme_color', key($_theme_colors));
    $preset = (get_option('show_switcher') && isset($_COOKIE['style'])) ? $_COOKIE['style'] : false;
    $style_to_set = ($preset) ? $preset : $default;
    foreach ($_theme_colors as $color => $name) {
        if ($color != $style_to_set) {
            $wp_styles->registered["css_{$color}"]->add_data('alt', true);
        }
        $wp_styles->registered["css_{$color}"]->add_data('title', $color);
    }
}

function theme_color_switcher($action) {
    if (!get_option('show_switcher'))
        return;
    switch ($action) {
        case 'init':
 ?>
    <!-- Stylesheet switcher built on jQuery -->
    <script type="text/javascript">
        jQuery(function($) {
            var offset = $(".schemes").offset();
            var topPadding = 50;
            jQuery(window).scroll(function() {
                if (jQuery(window).scrollTop() > offset.top) {
                    jQuery(".schemes").stop().animate({
                        marginTop: $(window).scrollTop() - offset.top + topPadding
                    });
                } else {
                    jQuery(".schemes").stop().animate({
                        marginTop: 0
                    });
                };
            });
        });
        jQuery(function($)
            {
                $.stylesheetInit();
                $('.schemes a').bind(
                    'click',
                    function(e)
                    {
                        $.stylesheetSwitch(this.getAttribute('rel'));
                        return false;
                    }
                );
            }
        );
    </script>
 <?php
        break;
        case 'render':
            echo '<div class="schemes">';
            $url = home_url('/');
            foreach (theme_get_color_styles() as $color => $name) {
                echo "<a href='{$url}?style={$color}' rel='{$color}' class='{$color}' title='{$name}'>{$name}</a>";
            }
            echo '</div>';
        break;
    }
}

function enqueue_color_styles() {
    $_theme_colors = theme_get_color_styles();
    reset($_theme_colors);
    $default = get_option('default_theme_color', key($_theme_colors));
    $preset = (get_option('show_switcher') && isset($_COOKIE['style'])) ? $_COOKIE['style'] : false;
    $style_to_set = ($preset) ? $preset : $default;
    wp_enqueue_style("css_{$style_to_set}");
    foreach ($_theme_colors as $color => $name) {
        if ($color != $style_to_set) {
            wp_enqueue_style("css_{$color}");
        }
    }
}


?>