<?php
/**
 * Admin functions
 *
 * @package    opalestate
 * @author     Opal  Team <info@wpopal.com >
 * @copyright  Copyright (C) 2019 wpopal.com. All Rights Reserved.
 * @license    GNU/GPL v2 or later http://www.gnu.org/licenses/gpl-2.0.html
 *
 * @website  http://www.wpopal.com
 * @support  http://www.wpopal.com/support/forum.html
 */

if ( ! defined( 'ABSPATH' ) ) {
	exit; // Exit if accessed directly
}

/**
 * Wrapper function around cmb2_get_option
 *
 * @param string $key Options array key
 *
 * @return mixed        Option value
 * @since  0.1.0
 *
 */
function opalestate_get_option( $key = '', $default = false ) {
	global $opalestate_options;
	$value = ! empty( $opalestate_options[ $key ] ) ? $opalestate_options[ $key ] : $default;
	$value = apply_filters( 'opalestate_get_option', $value, $key, $default );

	return apply_filters( 'opalestate_get_option_' . $key, $value, $key, $default );
}

/**
 * Update an option
 *
 * Updates an opalestate setting value in both the db and the global variable.
 * Warning: Passing in an empty, false or null string value will remove
 *          the key from the opalestate_options array.
 *
 * @param string          $key   The Key to update
 * @param string|bool|int $value The value to set the key to
 *
 * @return boolean True if updated, false if not.
 * @since 1.0
 *
 */
function opalestate_update_option( $key = '', $value = false ) {

	// If no key, exit
	if ( empty( $key ) ) {
		return false;
	}

	if ( empty( $value ) ) {
		$remove_option = opalestate_delete_option( $key );

		return $remove_option;
	}

	// First let's grab the current settings
	$options = get_option( 'opalestate_settings' );

	// Let's let devs alter that value coming in
	$value = apply_filters( 'opalestate_update_option', $value, $key );

	// Next let's try to update the value
	$options[ $key ] = $value;
	$did_update      = update_option( 'opalestate_settings', $options );

	// If it updated, let's update the global variable
	if ( $did_update ) {
		global $opalestate_options;
		$opalestate_options[ $key ] = $value;
	}

	return $did_update;
}

/**
 * Remove an option
 *
 * Removes an opalestate setting value in both the db and the global variable.
 *
 * @param string $key The Key to delete
 *
 * @return boolean True if updated, false if not.
 * @since 1.0
 *
 */
function opalestate_delete_option( $key = '' ) {

	// If no key, exit
	if ( empty( $key ) ) {
		return false;
	}

	// First let's grab the current settings
	$options = get_option( 'opalestate_settings' );

	// Next let's try to update the value
	if ( isset( $options[ $key ] ) ) {

		unset( $options[ $key ] );

	}

	$did_update = update_option( 'opalestate_settings', $options );

	// If it updated, let's update the global variable
	if ( $did_update ) {
		global $opalestate_options;
		$opalestate_options = $options;
	}

	return $did_update;
}


/**
 * Get Settings
 *
 * Retrieves all Opalestate plugin settings
 *
 * @return array Opalestate settings
 * @since 1.0
 */
function opalestate_get_settings() {

	$settings = get_option( 'opalestate_settings' );

	return (array) apply_filters( 'opalestate_get_settings', $settings );

}

/**
 * Gateways Callback
 *
 * Renders gateways fields.
 *
 * @return void
 * @global $opalestate_options Array of all the Opalestate Options
 * @since 1.0
 *
 */
function opalestate_enabled_gateways_callback( $field_object, $escaped_value, $object_id, $object_type, $field_type_object ) {

	$id                = $field_type_object->field->args['id'];
	$field_description = $field_type_object->field->args['desc'];
	$gateways          = opalestate_get_payment_gateways();

	echo '<ul class="cmb2-checkbox-list cmb2-list">';

	foreach ( $gateways as $key => $option ) :

		if ( is_array( $escaped_value ) && array_key_exists( $key, $escaped_value ) ) {
			$enabled = '1';
		} else {
			$enabled = null;
		}

		echo '<li><input name="' . $id . '[' . $key . ']" id="' . $id . '[' . $key . ']" type="checkbox" value="1" ' . checked( '1', $enabled, false ) . '/>&nbsp;';
		echo '<label for="' . $id . '[' . $key . ']">' . $option['admin_label'] . '</label></li>';

	endforeach;

	if ( $field_description ) {
		echo '<p class="cmb2-metabox-description">' . $field_description . '</p>';
	}

	echo '</ul>';


}

/**
 * Gateways Callback (drop down)
 *
 * Renders gateways select menu
 *
 * @param $field_object , $escaped_value, $object_id, $object_type, $field_type_object Arguments passed by CMB2
 *
 * @return void
 * @since 1.0
 *
 */
function opalestate_default_gateway_callback( $field_object, $escaped_value, $object_id, $object_type, $field_type_object ) {

	$id                = $field_type_object->field->args['id'];
	$field_description = $field_type_object->field->args['desc'];
	$gateways          = opalestate_get_enabled_payment_gateways();

	echo '<select class="cmb2_select" name="' . $id . '" id="' . $id . '">';

	//Add a field to the Opalestate Form admin single post view of this field
	if ( $field_type_object->field->object_type === 'post' ) {
		echo '<option value="global">' . esc_html__( 'Global Default', 'opalestate-pro' ) . '</option>';
	}

	foreach ( $gateways as $key => $option ) :

		$selected = isset( $escaped_value ) ? selected( $key, $escaped_value, false ) : '';


		echo '<option value="' . esc_attr( $key ) . '"' . $selected . '>' . esc_html( $option['admin_label'] ) . '</option>';

	endforeach;

	echo '</select>';

	echo '<p class="cmb2-metabox-description">' . $field_description . '</p>';

}

/**
 * Opalestate Title
 *
 * Renders custom section titles output; Really only an <hr> because CMB2's output is a bit funky
 *
 * @param       $field_object , $escaped_value, $object_id, $object_type, $field_type_object
 *
 * @return void
 * @since 1.0
 *
 */
function opalestate_title_callback( $field_object, $escaped_value, $object_id, $object_type, $field_type_object ) {

	$id                = $field_type_object->field->args['id'];
	$title             = $field_type_object->field->args['name'];
	$field_description = $field_type_object->field->args['desc'];

	echo '<hr>';

}

/**
 * Gets a number of posts and displays them as options
 *
 * @param array $query_args Optional. Overrides defaults.
 * @param bool  $force      Force the pages to be loaded even if not on settings
 *
 * @return array An array of options that matches the CMB2 options array
 * @see: https://github.com/WebDevStudios/CMB2/wiki/Adding-your-own-field-types
 */
function opalestate_cmb2_get_post_options( $query_args, $force = false ) {

	$post_options = [ '' => '' ]; // Blank option

	if ( ( ! isset( $_GET['page'] ) || 'opalestate-settings' != $_GET['page'] ) && ! $force ) {
		return $post_options;
	}

	$args = wp_parse_args( $query_args, [
		'post_type'   => 'page',
		'numberposts' => 10,
	] );

	$posts = get_posts( $args );

	if ( $posts ) {
		foreach ( $posts as $post ) {

			$post_options[ $post->ID ] = $post->post_title;

		}
	}

	return $post_options;
}


/**
 * Modify CMB2 Default Form Output
 *
 * @param string @args
 *
 * @since 1.0
 */

add_filter( 'cmb2_get_metabox_form_format', 'opalestate_modify_cmb2_form_output', 10, 3 );

function opalestate_modify_cmb2_form_output( $form_format, $object_id, $cmb ) {

	//only modify the opalestate settings form
	if ( 'opalestate_settings' == $object_id && 'options_page' == $cmb->cmb_id ) {

		return '<form class="cmb-form" method="post" id="%1$s" enctype="multipart/form-data" encoding="multipart/form-data"><input type="hidden" name="object_id" value="%2$s">%3$s<div class="opalestate-submit-wrap"><input type="submit" name="submit-cmb" value="' . esc_html__( 'Save Settings',
				'opalestate-pro' ) . '" class="button-primary"></div></form>';
	}

	return $form_format;

}


/**
 * Opalestate License Key Callback
 *
 * @description Registers the license field callback for EDD's Software Licensing
 * @param array $field_object , $escaped_value, $object_id, $object_type, $field_type_object Arguments passed by CMB2
 *
 * @return void
 * @since       1.0
 *
 */
if ( ! function_exists( 'opalestate_license_key_callback' ) ) {
	function opalestate_license_key_callback( $field_object, $escaped_value, $object_id, $object_type, $field_type_object ) {

		$id                = $field_type_object->field->args['id'];
		$field_description = $field_type_object->field->args['desc'];
		$license_status    = get_option( $field_type_object->field->args['options']['is_valid_license_option'] );
		$field_classes     = 'regular-text opalestate-license-field';
		$type              = empty( $escaped_value ) ? 'text' : 'password';

		if ( $license_status === 'valid' ) {
			$field_classes .= ' opalestate-license-active';
		}

		$html = $field_type_object->input( [
			'class' => $field_classes,
			'type'  => $type,
		] );

		//License is active so show deactivate button
		if ( $license_status === 'valid' ) {
			$html .= '<input type="submit" class="button-secondary opalestate-license-deactivate" name="' . $id . '_deactivate" value="' . esc_html__( 'Deactivate License', 'opalestate-pro' ) . '"/>';
		} else {
			//This license is not valid so delete it
			opalestate_delete_option( $id );
		}

		$html .= '<label for="opalestate_settings[' . $id . ']"> ' . $field_description . '</label>';

		wp_nonce_field( $id . '-nonce', $id . '-nonce' );

		echo $html;
	}
}

/**
 * Hook Callback
 *
 * Adds a do_action() hook in place of the field
 *
 * @param array $args Arguments passed by the setting
 *
 * @return void
 * @since 1.0
 *
 */
function opalestate_hook_callback( $args ) {
	do_action( 'opalestate_' . $args['id'] );
}

/**
 * Searches for users via ajax and returns a list of results
 *
 * @return void
 * @since  1.0
 *
 */
function opalestate_ajax_search_agencies() {
	if ( current_user_can( 'manage_opalestate_settings' ) ) {
		$search_query = trim( $_GET['q'] );

		$agents_objects = Opalestate_Query::get_agencies( [
			'posts_per_page' => -1,
			's'              => $search_query,
		] );

		$agents = [];
		if ( ! empty( $agents_objects->posts ) && is_array( $agents_objects->posts ) ) {
			foreach ( $agents_objects->posts as $object ) {
				$agents[] = [
					'id'          => $object->ID,
					'name'        => $object->post_title,
					'avatar_url'  => 'https://avatars1.githubusercontent.com/u/9919?v=4',
					'full_name'   => $object->post_title,
					'description' => 'okokok',
				];
			}
		}
		$output = [
			'total_count'        => count( $agents ),
			'items'              => $agents,
			'incomplete_results' => false,
		];
		echo json_encode( $output );
	}
	die();
}

add_action( 'wp_ajax_opalestate_search_agencies', 'opalestate_ajax_search_agencies' );


/**
 * Searches for users via ajax and returns a list of results
 *
 * @return void
 * @since  1.0
 *
 */
function opalestate_ajax_search_agents() {
	if ( current_user_can( 'manage_opalestate_settings' ) ) {
		$search_query = trim( $_GET['q'] );

		$agents_objects = Opalestate_Query::get_agents( [
			'posts_per_page' => -1,
			's'              => $search_query,
		] );

		$agents = [];
		if ( ! empty( $agents_objects->posts ) && is_array( $agents_objects->posts ) ) {
			foreach ( $agents_objects->posts as $object ) {
				$agents[] = [
					'id'          => $object->ID,
					'name'        => $object->post_title,
					'avatar_url'  => 'https://avatars1.githubusercontent.com/u/9919?v=4',
					'full_name'   => $object->post_title,
					'description' => 'okokok',
				];
			}
		}
		$output = [
			'total_count'        => count( $agents ),
			'items'              => $agents,
			'incomplete_results' => false,
		];
		echo json_encode( $output );
	}
	die();
}

add_action( 'wp_ajax_opalestate_search_agents', 'opalestate_ajax_search_agents' );


/**
 * Searches for users via ajax and returns a list of results
 *
 * @return void
 * @since  1.0
 *
 */
function opalestate_ajax_search_users() {

	if ( current_user_can( 'manage_opalestate_settings' ) ) {

		$search_query = trim( $_GET['q'] );

		$get_users_args = [
			'number' => 9999,
			'search' => $search_query . '*',
		];

		if ( ! empty( $exclude ) ) {
			$exclude_array             = explode( ',', $exclude );
			$get_users_args['exclude'] = $exclude_array;
		}

		$get_users_args = apply_filters( 'opalestate_search_users_args', $get_users_args );

		$found_users = apply_filters( 'opalestate_ajax_found_users', get_users( $get_users_args ), $search_query );

		$user_list = '<ul>';
		if ( $found_users ) {
			foreach ( $found_users as $user ) {
				$user_list .= '<li><a href="#" data-userid="' . esc_attr( $user->ID ) . '" data-login="' . esc_attr( $user->user_login ) . '">' . esc_html( $user->user_login ) . '</a></li>';
			}
		} else {
			$user_list .= '<li>' . esc_html__( 'No users found', 'opalestate-pro' ) . '</li>';
		}
		$user_list .= '</ul>';

		echo json_encode( [ 'results' => $user_list ] );

	}
	die();
}

add_action( 'wp_ajax_opalestate_search_users', 'opalestate_ajax_search_users' );

function opalestate_ajax_search_username() {

	$search_query = trim( $_POST['user_name'] );
	$user         = get_userdatabylogin( $search_query );

	$output = [];

	if ( $user ) {
		$data              = $user->data;
		$data->author_link = get_author_posts_url( $user->data->ID );
		$data->avatar      = get_avatar_url( $user->data->ID );
		$output['message'] = esc_html__( 'We could find this user', 'opalestate-pro' );
		$output['status']  = true;
		$output['user']    = $data;
	} else {
		$output['message'] = esc_html__( 'We could not find this user', 'opalestate-pro' );
		$output['status']  = false;
	}

	echo json_encode( $output );
	exit;

}

add_action( 'wp_ajax_opalestate_ajax_search_username', 'opalestate_ajax_search_username' );