<?php
/**
 * Loads administrative capabilities for configuring Blogfolio
 *
 */

// register admin functionality
add_action( 'admin_menu', array( 'BlogfolioAdmin', 'admin_menu' ) );
add_action( 'admin_init', array( 'BlogfolioAdmin', 'admin_init' ) );

/**
 * Sets up custom options administrative panel and menu.
 *
 */
class BlogfolioAdmin {
	const settings_page = 'blogfolio-theme-settings';

	static function admin_init() {
		register_setting( Blogfolio::options, Blogfolio::options );
		self::addSection( 'general-settings-section', 'General Settings' );
		self::addField( 'checkbox', 'search-in-menubar', 'Include SearchBox in menubar?' );
		self::addField( 'checkbox', 'credit-in-footer', 'Include developer credit in footer?' );
	}

	static function admin_menu() {
		add_theme_page(  
			'Blogfolio theme settings',
			'Blogfolio Settings',
			'administrator',
			self::settings_page,
			array( __CLASS__, 'showThemeSettings' )
		);
	}

	static function showThemeSettings() {
		BlogfolioTemplate::loadFragment( 'admin/settings' );
	}

	function addSection( $id, $title ) {
		add_settings_section($id, $title, array( __CLASS__, 'sectionHeader'), self::settings_page );
	}

	function addField( $type, $id, $title, $value = 1, $label = null, $args = array(), $section = 'general-settings-section' ) {
		add_settings_field( $id, $title, array(__CLASS__, $type . 'Renderer'), self::settings_page, $section, compact( 'type', 'id', 'value', 'label', 'args', 'section' ) );
	}

	static function sectionHeader( $args ) {
		BlogfolioTemplate::loadFragment( 'admin/sectionheader', $args['id'] );
	}

	static function checkboxRenderer( $args ) {
		$multivalue = is_array( $args['value'] );
		$settings = self::_arrayWrap( Blogfolio::config( $args['id'] ) );

		$id = Blogfolio::options . '_' . $args['id'];
		$name = Blogfolio::options . "[{$args['id']}]" . ( $multivalue ? '[]' : '' );
		$values = self::_arrayWrap( $args['value'] );
		$checked = array();
		$labels = self::_arrayWrap( $args['label'] );

		foreach( $settings as $index => $setting )
			$checked[$index] = checked( 1, $setting ? 1 : 0, false );

		self::_fieldRenderer( 'checkbox', compact( 'id', 'name', 'values', 'checked', 'labels' ) );
	}

	static function radiobuttonRenderer( $args ) {
		$setting = Blogfolio::config( $args['id'] );

		$id = Blogfolio::options . '_' . $args['id'];
		$name = Blogfolio::options . "[{$args['id']}]";
		$values = self::_arrayWrap( $args['value'] );
		$checked = array();
		$labels = self::_arrayWrap( $args['label'] );

		foreach( $values as $index => $value )
			$checked[$index] = checked( $value, $setting, false );

		self::_fieldRenderer( 'radiobutton', compact( 'id', 'name', 'values', 'checked', 'labels' ) );
	}

	private static function _fieldRenderer( $type, $params ) {
		BlogfolioTemplate::loadFragment( 'admin/optionsfield', $type, $params );
	}

	private static function _arrayWrap( $field ) {
		return is_array( $field ) ? $field : array( $field );
	}
}

?>