<?php

/**
 * Store our table name in $wpdb with correct prefix
 */
function st_register_table() {
    global $wpdb;
    $wpdb->st = "{$wpdb->prefix}st";
} // end st_register_table
add_action( 'init', 'st_register_table', 1 );
add_action( 'switch_blog', 'st_register_table' );

/**
 * Creating / Deleting Custom Database Table
 */

function st_theme_activation() {
    global $wpdb;
    global $charset_collate;

    // Call this manually as we may have missed the init hook
    st_register_table();

    if ( $wpdb->get_var('SHOW TABLES LIKE ' . $wpdb->st ) != $wpdb->st ) {
        $query = "CREATE TABLE " . $wpdb->st . "(
            option_id BIGINT(20) UNSIGNED AUTO_INCREMENT,
            option_name VARCHAR(64),
            option_value LONGTEXT,
            autoload VARCHAR(20) DEFAULT 'yes',
            PRIMARY KEY  (option_id) )";

            require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
            dbDelta($query);

            add_option( 'st_database_version', '1.0' );
    }
} // end st_theme_activation
add_action( 'after_switch_theme', 'st_theme_activation' );


function st_get_table_columns() {
    return array(
        'option_id' => '%d',
        'option_name'   => '%s',
        'option_value'  => '%s',
        'autoload'  => '%s',
    );
} // end st_get_table_columns


function st_theme_deactivation() {
  global $wpdb;

  // Dropping Custom Database Table
  $query = "DROP TABLE IF EXISTS {$wpdb->st}";
  $wpdb->query($query);

  // Dropping option
  delete_option( 'st_database_version' );
} // end st_theme_deactivation
add_action( 'switch_theme', 'st_theme_deactivation' );

/**
 * Theme Options Page
 */
function stheme_menu() {

    $paged = add_theme_page(
        's Theme',
        's Theme',
        'administrator',
        'stheme_theme_options',
        'stheme_theme_display'
        );
    add_action( 'admin_print_scripts-' . $paged, 'stheme_print_scripts' );
    add_action( 'admin_print_styles-' . $paged, 'stheme_admin_scripts' );

    $stheme_options_page = add_menu_page(
                __('s Theme', 'stheme'),
                __('s Theme', 'stheme'),
                'administrator',
                'stheme_theme_menu',
                'stheme_theme_display',
                get_template_directory_uri().'/img/st-favicon.png'
    );
    add_action( 'admin_print_scripts-' . $stheme_options_page, 'stheme_print_scripts'  );

    $stheme_general_options_page = add_submenu_page(
                    'stheme_theme_menu',
                    __('General Options', 'stheme'),
                    __('General Options', 'stheme'),
                    'administrator',
                    'stheme_theme_general_options',
                    create_function(null, 'stheme_theme_display("general_options");')
    );
    add_action( 'admin_print_scripts-' . $stheme_general_options_page, 'stheme_print_scripts'  );

    add_submenu_page(
        'stheme_theme_menu',
        __('Homepage Options', 'stheme'),
        __('Homepage Options', 'stheme'),
        'administrator',
        'stheme_homepage_options',
        create_function(null, 'stheme_theme_display("homepage_options");' )
    );

    add_submenu_page(
        'stheme_theme_menu',
        __('Footer Options', 'stheme'),
        __('Footer Options', 'stheme'),
        'administrator',
        'stheme_footer_options',
        create_function(null, 'stheme_theme_display("footer_options");')
    );

} // end stheme_theme_menu
add_action('admin_menu', 'stheme_menu');



/*==============================================================================================================*/

/**
 * Renders a simple page to display for the theme menu defined above.
 */
function stheme_theme_display( $active_tab = null ) {
    ?>
        <!-- Create a header in the default WordPress 'wrap' container -->
        <div class="wrap">
            <?php screen_icon( 'themes' ); ?>
            <h2>s Theme Options</h2>
            <?php settings_errors(); ?>

            <?php
                if ( isset($_GET['tab']) ) {
                    $active_tab = $_GET['tab'];
                } else if ( $active_tab == 'homepage_options') {
                    $active_tab = 'homepage_options';
                } else if ( $active_tab == 'footer_options') {
                    $active_tab = 'footer_options';
                } else {
                    $active_tab = 'general_options';
                } // end if else
            ?>

            <h2 class="nav-tab-wrapper">
                <a href="?page=stheme_theme_options&tab=general_options" class="nav-tab <?php echo $active_tab == 'general_options' ? 'nav-tab-active' : '' ?>"><?php _e('General', 'stheme'); ?></a>
                <a href="?page=stheme_theme_options&tab=homepage_options" class="nav-tab <?php echo $active_tab == 'homepage_options' ? 'nav-tab-active' : '' ?>"><?php _e('Homepage', 'stheme'); ?></a>
                <a href="?page=stheme_theme_options&tab=footer_options" class="nav-tab <?php echo $active_tab == 'footer_options' ? 'nav-tab-active' : '' ?>"><?php _e('Footer', 'stheme'); ?></a>
            </h2>

            <form method="POST" action="options.php">
                <?php
                if ( $active_tab == 'general_options' ) {
                    settings_fields('stheme_theme_general_options');
                    do_settings_sections('stheme_theme_general_options');
                } else if ( $active_tab == 'homepage_options' ) {
                    settings_fields('stheme_homepage_options');
                    do_settings_sections('stheme_homepage_options');
                } else if ( $active_tab == 'footer_options' ) {
                    settings_fields('stheme_footer_options');
                    do_settings_sections('stheme_footer_options');
                }
                submit_button();
                ?>
            </form>
        </div> <!-- /.wrap -->
    <?php
} // end stheme_theme_display

/*==============================================================================================================*/

/**
 * General Options
 */
// Set Options for General Options
function stheme_default_options() {
    $defaults = array(
        'logo'      => 'test1',
        'favicon'   => 'test2',
        'top_nav'   => 'yes'
    );
    return apply_filters( 'stheme_default_options', $defaults );
} // end stheme_default_options

/*==============================================================================================================*/
// Set Options for Homepage Options
function stheme_homepage_default_options() {
    $defaults = array(
        'show_homepage_blog'    => 'yes',
        'show_sidebar'          => 'yes',
        'show_footer'           => 'yes'
    );
    return apply_filters( 'stheme_homepage_default_options', $defaults );
} // end stheme_homepage_default_options

/*==============================================================================================================*/
// Set Options for Footer Options
function stheme_footer_default_options() {
    $defaults = array(
        'footer_text_left'  => 'STheme',
        'footer_text_right' => 'This is where you\'ll put the media icons.'
    );
    return apply_filters( 'stheme_footer_default_options', $defaults );
} // end stheme_footer_default_options

/*==============================================================================================================*/
// Initialization for General Options
function stheme_initialize_theme_options() {
    global $wpdb;
    $data = array();

    // Collect the default values
    $default = stheme_default_options();

    // Set default values
    $data = wp_parse_args( $data, array(
        'option_name'   => 'stheme_general_options',
    ));

    // Initialise column format array
    $column_formats = st_get_table_columns();

        $inserted = $wpdb->insert(
            $wpdb->st,
            array(
                'option_id'     => '',
                'option_name'   => 'stheme_theme_general_options',
                'option_value'  => apply_filters( 'stheme_default_options', stheme_default_options() ),
                'autoload'      => ''
            ),
            $column_formats
        );

    // Register new options
    add_settings_section(
        'stheme_section',
        __('General Options', 'stheme'),
        'stheme_section_callback',
        'stheme_theme_general_options'
            );

    // Settings for logo
    add_settings_field(
        'stheme_logo',
        __('sTheme Logo', 'stheme'),
        'stheme_setting_logo_callback',
        'stheme_theme_general_options',
        'stheme_section'
    );

    // Settings for Favicon
    add_settings_field(
        'stheme_favicon',
        __('sTheme Favicon', 'stheme'),
        'stheme_setting_favicon_callback',
        'stheme_theme_general_options',
        'stheme_section'
    );

    // Setting for Top Navigation Position
    add_settings_field(
        'stheme_top_nav_position',
        __('sTheme Top Navigation Position', 'stheme'),
        'stheme_setting_top_nav_position_callback',
        'stheme_theme_general_options',
        'stheme_section'
    );

    register_setting(
        'stheme_theme_general_options',
        'stheme_theme_general_options',
        'stheme_theme_validate'
    );

} // end stheme_initialize_theme_options
add_action('admin_init', 'stheme_initialize_theme_options');

/*=============================================================================================================*/

// Initialization for Homepage Options
function stheme_homepage_initialize_theme_options() {

    global $wpdb;

    // Initialise column format array
    $column_formats = st_get_table_columns();

        $inserted = $wpdb->insert(
            $wpdb->st,
            array(
                'option_id'     => '',
                'option_name'   => 'stheme_homepage_options',
                'option_value'  => apply_filters( 'stheme_homepage_default_options', stheme_footer_default_options() ),
                'autoload'      => ''
            ),
            $column_formats
        );

    add_settings_section(
        'stheme_homepage_section',
        __('Homepage Options', 'stheme'),
        'stheme_homepage_callback',
        'stheme_homepage_options'
    );

    add_settings_field(
        'stheme_show_homepage_blog',
        __('Homepage Blog', 'stheme'),
        'stheme_setting_show_blog_callback',
        'stheme_homepage_options',
        'stheme_homepage_section',
        array(
        __('Activate this to display the Homepage Blog.', 'stheme'),
        )
    );

    add_settings_field(
        'stheme_show_sidebar',
        __('Sidebar', 'stheme'),
        'stheme_setting_show_sidebar_callback',
        'stheme_homepage_options',
        'stheme_homepage_section',
        array(
        __('Activate this to display the Page Sidebar.', 'stheme'),
        )
    );

    add_settings_field(
        'stheme_show_masthead',
        __('Masthead', 'stheme'),
        'stheme_setting_show_masthead_callback',
        'stheme_homepage_options',
        'stheme_homepage_section',
        array(
        __('Activate this to display the Homepage Masthead.', 'stheme'),
        )
    );

    add_settings_field(
        'stheme_show_featurette_f',
        __('Featurette First', 'stheme'),
        'stheme_setting_show_featurette_f_callback',
        'stheme_homepage_options',
        'stheme_homepage_section',
        array(
        __('Activate this to display the Homepage First Featurette.', 'stheme'),
        )
    );

    add_settings_field(
        'stheme_show_featurette_s',
        __('Featurette Second', 'stheme'),
        'stheme_setting_show_featurette_s_callback',
        'stheme_homepage_options',
        'stheme_homepage_section',
        array(
        __('Activate this to display the Homepage Second Featurette', 'stheme'),
        )
    );

    register_setting(
        'stheme_homepage_options',
        'stheme_homepage_options'
    );


} // end stheme_homepage_initialize_theme_options
add_action('admin_init', 'stheme_homepage_initialize_theme_options');

/*==============================================================================================================*/

// Initializations for Footer Options
function stheme_footer_initialize_theme_options() {

    global $wpdb;

    // Initialise column format array
    $column_formats = st_get_table_columns();

        $inserted = $wpdb->insert(
            $wpdb->st,
            array(
                'option_id'     => '',
                'option_name'   => 'stheme_footer_options',
                'option_value'  => apply_filters( 'stheme_footer_default_options', stheme_footer_default_options() ),
                'autoload'      => ''
            ),
            $column_formats
        );

    add_settings_section(
        'stheme_footer_section',
        __('Footer Options', 'stheme'),
        'stheme_footer_callback',
        'stheme_footer_options'
    );

    add_settings_field(
        'stheme_footer_text_left',
        __('Footer Text Left', 'stheme'),
        'stheme_setting_footer_text_left_callback',
        'stheme_footer_options',
        'stheme_footer_section'
    );

    add_settings_field(
        'stheme_footer_text_right',
        __('Footer Text Right', 'stheme'),
        'stheme_setting_footer_text_right_callback',
        'stheme_footer_options',
        'stheme_footer_section'
    );

    register_setting(
        'stheme_footer_options',
        'stheme_footer_options',
        'stheme_theme_input_validate'
    );


} // end stheme_footer_initialize_theme_options
add_action('admin_init', 'stheme_footer_initialize_theme_options');

/*==============================================================================================================*/

/**
 * CallBacks
 */

/**
* This function provides a simple description for the General Options page.
*
* It's called from the 'stheme_initialize_theme_options' function by being passed as a parameter
* in the add_settings_section function.
*/
function stheme_section_callback() {
    echo '<p>'.__( 'General settings for your s Theme.', 'stheme' ).'</p>';
} // end stheme_general_options_callback


/**
* This function provides a simple description for the Homepage Options page.
*
* It's called from the 'stheme_homepage_initialize_theme_options' function by being passed as a parameter
* in the add_settings_section function.
*/
function stheme_homepage_callback() {
    echo '<p>' . __( 'Select which areas of content you wish to display.', 'stheme' ) . '</p>';
} // end stheme_general_callback

/**
* This function provides a simple description for the Footer Options page.
*
* It's called from the 'stheme_footer_initialize_theme_options' function by being passed as a parameter
* in the add_settings_section function.
*/
function stheme_footer_callback() {
    echo '<p>' . __( 'Type text for Footer.', 'stheme' ) . '</p>';
} // end stheme_footer_callback

/*==============================================================================================================*/

/* General Logo Callback */
function stheme_setting_logo_callback() {

    $options = get_option('stheme_theme_general_options');

    ?>

    <span class="upload">
        <input type="text" id="stheme_logo" class="regular-text text-upload" name="stheme_theme_general_options[logo]" value="<?php echo esc_url( $options['logo'] ); ?>" />
        <input type="button" class="button button-upload" value="Upload an image" /><br>
        <img style="max-width: 300px display: block;" src="<?php echo esc_url($options['logo']); ?>" class="preview-upload" />
    </span>

    <?php

} // end stheme_setting_logo_callback

/* General Favicon Callback */
function stheme_setting_favicon_callback() {

    $options = get_option('stheme_theme_general_options');

    ?>

    <span class="upload">
        <input type="text" id="stheme_favicon" class="regular-text text-upload" name="stheme_theme_general_options[favicon]" value="<?php echo esc_url( $options["favicon"] ); ?>" />
        <input type="button" class="button button-upload" value="Upload an image"/></br>
        <img style="max-width: 300px; display: block;" src="<?php echo esc_url( $options["favicon"] ); ?>" class="preview-upload" />
    </span>

    <?php

} // end stheme_setting_logo_preview_callback

/* General Top Navigation Position */
function stheme_setting_top_nav_position_callback() {

    $options = get_option('stheme_theme_general_options');

    $html = '<select id="stheme_top_nav_position" name="stheme_theme_general_options[stheme_top_nav_position]">';

    $html .= '<option value="default">' . __('Select Top Navigation Position..', 'stheme') . '</option>';

    $html .= '<option value="left"' . selected( $options['stheme_top_nav_position'], 'http://left', false) . '>' . __('Left Position', 'stheme') . '</option>';

    $html .= '<option value="bottom"' . selected( $options['stheme_top_nav_position'], 'http://bottom', false) . '>' . __('Bottom Position', 'stheme') . '</option>';

    $html .= '</select>';

    echo $html;

} // stheme_setting_top_nav_position_callback

/*==============================================================================================================*/

/* Homepage Show Blog Callback */
function stheme_setting_show_blog_callback( $args ) {

    // First, we need to read the options selections
    $options = get_option('stheme_homepage_options');

    // Next, we update the name attribute to access this element's ID in the context tof the display options array
    // We also access the stheme_setting_show_blog_callback element of the options collection in the call to the checked() helper function
    $html = '<input type="checkbox" id="stheme_show_homepage_blog" name="stheme_homepage_options[stheme_show_homepage_blog]" value="1" ' . checked( 1, isset( $options['stheme_show_homepage_blog'] ) ? $options['stheme_show_homepage_blog'] : 0, false ) . '/>';

    // Here, we'll take the first argument of the array and add it to a label next to the checkbox
    $html .= '<label for="stheme_show_homepage_blog">&nbsp; ' . $args[0] . '</label>';

    // Display this to Browser
    echo $html;

} // end stheme_setting_show_blog_callback

/* Homepage Show Page Sidebar Callback */
function stheme_setting_show_sidebar_callback( $args ) {

    $options = get_option('stheme_homepage_options');

    $html = '<input type="checkbox" id="stheme_show_sidebar" name="stheme_homepage_options[stheme_show_sidebar]" value="1" ' . checked( 1, isset( $options['stheme_show_sidebar'] ) ? $options['stheme_show_sidebar'] : 0, false ) . '/>';

    $html .= '<label for="stheme_show_sidebar">&nbsp; ' . $args[0] . '</label>';

    echo $html;

} // end stheme_setting_show_sidebar_callback

/* Homepage Show Masthead Callback */
function stheme_setting_show_masthead_callback( $args ) {

    $options = get_option('stheme_homepage_options');

    $html = '<input type="checkbox" id="stheme_show_masthead" name="stheme_homepage_options[stheme_show_masthead]" value="1" ' . checked( 1, isset( $options['stheme_show_masthead'] ) ? $options['stheme_show_masthead'] : 0, false ) . '/>';

    $html .= '<label for="stheme_show_masthead">&nbsp; ' . $args[0] . '</label>';

    echo $html;

} // end stheme_setting_show_masthead_callback

/* Homepage Show Featurette First Callback */
function stheme_setting_show_featurette_f_callback( $args ) {

    $options = get_option('stheme_homepage_options');

    $html = '<input type="checkbox" id="stheme_setting_show_featurette_f_callback" name="stheme_homepage_options[stheme_setting_show_featurette_f_callback]" value="1" ' . checked( 1, isset( $options['stheme_setting_show_featurette_f_callback'] ) ? $options['stheme_setting_show_featurette_f_callback'] : 0, false ) . '/>';

    $html .= '<label for="stheme_setting_show_featurette_f_callback">&nbsp; ' . $args[0] . '</label>';

    echo $html;

} // end stheme_setting_show_featurette_f_callback

/* Homepage Show Featurette Second Callback */
function stheme_setting_show_featurette_s_callback( $args ) {

    $options = get_option('stheme_homepage_options');

    $html = '<input type="checkbox" id="stheme_setting_show_featurette_s_callback" name="stheme_homepage_options[stheme_setting_show_featurette_s_callback]" value="1" ' . checked( 1, isset( $options['stheme_setting_show_featurette_s_callback'] ) ? $options['stheme_setting_show_featurette_s_callback'] : 0, false ) . '/>';

    $html .= '<label for="stheme_setting_show_featurette_s_callback">&nbsp; ' . $args[0] . '</label>';

    echo $html;

} // end stheme_setting_show_featurette_s_callback

/*===============================================================================================================*/

/* Footer Text Left Callback */
function stheme_setting_footer_text_left_callback() {

    $options = get_option('stheme_footer_options');

    echo '<input type="text" id="stheme_footer_text_left" name="stheme_footer_options[stheme_footer_text_left]" value="' . $options['stheme_footer_text_left'] . '" />';


} // end stheme_setting_footer_text_left_callback

/* Footer Text Right Callback */
function stheme_setting_footer_text_right_callback() {

    $options = get_option('stheme_footer_options');


    echo '<input type="text" id="stheme_footer_text_right" name="stheme_footer_options[stheme_footer_text_right]" value="' . $options['stheme_footer_text_right'] . '" />';


} // end stheme_setting_footer_text_right_callback

/*==============================================================================================================*/

/* Add favico to site */
function stheme_add_favicon() {

    $stheme_options = get_option( 'stheme_theme_general_options' );
    $stheme_favicon = $stheme_options['favicon'];

    $favicon = $stheme_options['favicon'] != '' ? $stheme_favicon : get_template_directory_uri().'/img/st-favicon.png';

    ?>
    <link rel="icon" type="image/png" href="<?php echo esc_url( $favicon ); ?>">
    <?php

} // end stheme_add_favicon
add_action('wp_head', 'stheme_add_favicon');

/**
 * Validate
 */
function stheme_theme_validate( $values ) {

    foreach ( $values as $n => $v )
        $values[$n] = esc_url( $v );
    return $values;

} // end stheme_theme_validate

function stheme_theme_input_validate( $input ) {

// Create our array for storing the validated options
$output = array();

// Loop through each of the incoming options
foreach( $input as $key => $value ) {

// Check to see if the current option has a value. If so, process it.
if( isset( $input[$key] ) ) {

// Strip all HTML and PHP tags and properly handle quoted strings
$output[$key] = strip_tags( stripslashes( $input[ $key ] ) );

} // end if

} // end foreach

// Return the array processing any additional functions filtered by this action
return apply_filters( 'stheme_theme_input_validate', $output, $input );

} // end stheme_theme_input_validate

function stheme_theme_social_validate( $input ) {

    // Define the array for the updated options
    $output = array();

    // Loop through each of the options sanitizing the data
    foreach( $input as $key => $val ) {

        if( isset ( $input[$key] ) ) {
        $output[$key] = esc_url_raw( strip_tags( stripslashes( $input[$key] ) ) );
        } // end if

    } // end foreach

    // Return the new collection
    return apply_filters( 'sandbox_theme_sanitize_social_options', $output, $input );

} // end stheme_theme_social_validate

/**
 * Embed Scripts
 */

function stheme_print_scripts() {

    wp_enqueue_style( 'thickbox' );     // Stylesheet used by Thickbox
    wp_enqueue_script( 'thickbox' );
    wp_enqueue_script( 'media-upload' );
    wp_enqueue_script( 'stheme-upload', get_template_directory_uri().'/st-options/js/st-upload.js', array('thickbox', 'media-upload') );

} // end stheme_print_scripts

function stheme_admin_scripts() {

    wp_enqueue_style( 'farbtastic' );
    wp_enqueue_script( 'farbtastic' );
    wp_enqueue_script( 'stheme_theme_style_options', get_template_directory_uri() . '/st-options/js/st-colourpick.js', array('farbtastic', 'jquery') );


} // end stheme_admin_scripts
?>