<?php
    /*
    Profile Builder - MailChimp Add-On
    License: GPL2

    == Copyright ==
    Copyright 2014 Cozmoslabs (www.cozmoslabs.com)

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    GNU General Public License for more details.
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
    */


    /*
     * Define plugin path and include dependencies
     *
     */
    define('WPPBMCI_IN_PLUGIN_DIR', WP_PLUGIN_DIR . '/' . dirname( plugin_basename(__FILE__) ));
    define('WPPBMCI_IN_PLUGIN_URL', plugin_dir_url(__FILE__));

    // Include the needed API
    if (file_exists(WPPBMCI_IN_PLUGIN_DIR . '/mailchimp/mailchimp-api.php'))
        include_once(WPPBMCI_IN_PLUGIN_DIR . '/mailchimp/mailchimp-api.php');

    // Include the file with general functions
    if (file_exists(WPPBMCI_IN_PLUGIN_DIR . '/admin/functions.php'))
        include_once(WPPBMCI_IN_PLUGIN_DIR . '/admin/functions.php');

    // Include the file that manages manage fields
    if (file_exists(WPPBMCI_IN_PLUGIN_DIR . '/admin/manage-fields.php'))
        include_once(WPPBMCI_IN_PLUGIN_DIR . '/admin/manage-fields.php');

    // Include the file for the subpage
    if (file_exists(WPPBMCI_IN_PLUGIN_DIR . '/admin/mailchimp-page.php'))
        include_once(WPPBMCI_IN_PLUGIN_DIR . '/admin/mailchimp-page.php');

    // Include the file for widget
    if (file_exists(WPPBMCI_IN_PLUGIN_DIR . '/admin/widget.php'))
        include_once(WPPBMCI_IN_PLUGIN_DIR . '/admin/widget.php');

    // Include the file for the custom field
    if (file_exists(WPPBMCI_IN_PLUGIN_DIR . '/front-end/mailchimp-field.php'))
        include_once(WPPBMCI_IN_PLUGIN_DIR . '/front-end/mailchimp-field.php');


    /*
     * Function that enqueues the necessary scripts in the admin area
     *
     * @since v.1.0.0
     *
     */
    function wppb_in_mci_scripts_and_styles_admin($hook_suffix) {

		if( $hook_suffix === 'profile-builder_page_profile-builder-mailchimp' || $hook_suffix == 'profile-builder_page_manage-fields' ) {

			wp_enqueue_script( 'wppb-mailchimp-integration', plugin_dir_url( __FILE__ ) . 'assets/js/main.js', array( 'jquery' ) );
			wp_enqueue_style( 'wppb-mailchimp-integration', plugin_dir_url( __FILE__ ) . 'assets/css/style-back-end.css' );
		}
    }
    add_action( 'admin_enqueue_scripts', 'wppb_in_mci_scripts_and_styles_admin' );


    /*
     * Function that enqueues the necessary scripts in the front end area
     *
     * @since v.1.0.0
     *
     */
    function wppb_in_mci_scripts_and_styles_front_end() {
        wp_enqueue_style( 'wppb-mailchimp-integration', plugin_dir_url(__FILE__) . 'assets/css/style-front-end.css' );
    }
    add_action( 'wp_enqueue_scripts', 'wppb_in_mci_scripts_and_styles_front_end' );


    /*
     * Function that registers the settings for the MailChimp options page
     *
     * @since v1.0.0
     *
     */
    function wppb_in_mci_register_settings() {
        register_setting( 'wppb_mci_settings', 'wppb_mci_settings', 'wppb_in_mci_settings_sanitize' );
    }
    if ( is_admin() ) {
        add_action('admin_init', 'wppb_in_mci_register_settings');
    }


    /*
     * Function that handles the visibility of the field
     *
     * @since v.1.0.0
     *
     * @param bool $display_field      - By default true, to continue displaying the field
     * @param array $field             - The current field
     * @param string $form_location    - The location of the form. It can be register, edit_profile and back_end
     * @param string $form_role        - The role that will be attributed by default to new users
     * @param int $user_id
     *
     * @return bool
     */
    function wppb_in_mci_handle_output_display_state( $display_field, $field, $form_location, $form_role, $user_id ) {
        if( $form_location != 'register' && $field['field'] == 'MailChimp Subscribe' && isset( $field['mailchimp-hide-field'] ) && $field['mailchimp-hide-field'] == 'yes' ) {
            $display_field = false;
        }

        return $display_field;
    }
    add_filter( 'wppb_output_display_form_field', 'wppb_in_mci_handle_output_display_state', 10, 5 );


    /*
     * Function that returns the request name of a field
     *
     * @since v.1.0.0
     *
     * @param array $field  - The field from the manage fields option
     *
     * @return string
     *
     */
    function wppb_in_mci_get_request_name( $field ) {

        switch( $field['field'] ) {
            case 'Default - Username':
                return 'username';
                break;
            case 'Default - E-mail':
                return 'email';
                break;
            case 'Default - Website':
                return 'website';
                break;
            case 'Default - Biographical Info':
                return 'description';
                break;
            case 'Default - Display name publicly as':
                return 'display_name';
                break;
            case 'Select (User Role)':
                return 'custom_field_user_role';
                break;
            case 'Subscription Plans':
                return 'subscription_plans';
                break;
            default:
                return $field['meta-name'];
                break;
        }

    }
