<?php
/**
 * Helper functions.
 *
 * @package addmultiplemarker
 */

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}
/**
 * Admin ajax to submit all the markers detail into the database.
 */
function addmultiplemarker_save_maps_data() {
	// Check user capabilities.
	if ( ! current_user_can( 'manage_options' ) ) {
		wp_send_json_error(
			array(
				'result'  => '0',
				'message' => __( 'Unauthorized Access', 'add-multiple-marker' ),
			),
			403
		);
	}

	$nonce = isset( $_POST['_wpnonce'] ) ? sanitize_text_field( wp_unslash( $_POST['_wpnonce'] ) ) : '';
	if ( ! wp_verify_nonce( $nonce, 'addmultiplemarker_save_map' ) ) {
		wp_send_json_error(
			array(
				'result'  => '0',
				'message' => __( 'Unauthorized Access', 'add-multiple-marker' ),
			),
			401
		);
	}

	$fields = array(
		'amm_search_area',
		'amm_map_color',
		'amm_marker_type',
		'amm_marker_positions',
		'amm_map_control',
	);

	$amm_maps_marker = array();
	foreach ( $fields as $field ) {
		$data                      = isset( $_POST[ $field ] ) ? sanitize_text_field( wp_unslash( $_POST[ $field ] ) ) : '';
		$amm_maps_marker[ $field ] = $data;
	}

	$result = update_option( 'amm_maps_marker', $amm_maps_marker );
	if ( $result ) {
		wp_send_json_success(
			array(
				'result'  => '1',
				'message' => __( 'Your changes saved successfully.', 'add-multiple-marker' ),
			),
			200
		);
	} else {
		wp_send_json_error(
			array(
				'result'  => '0',
				'message' => __( 'You have not done any changes.', 'add-multiple-marker' ),
			)
		);
	}
}
add_action( 'wp_ajax_addmultiplemarker_save_maps_data', 'addmultiplemarker_save_maps_data' );
add_action( 'wp_ajax_nopriv_addmultiplemarker_save_maps_data', 'addmultiplemarker_save_maps_data' );

/**
 * Reset map to the default.
 */
function addmultiplemarker_reset_map() {
	// Check user capabilities.
	if ( ! current_user_can( 'manage_options' ) ) {
		wp_send_json_error(
			array(
				'result'  => '0',
				'message' => __( 'Unauthorized Access', 'add-multiple-marker' ),
			),
			403
		);
	}

	$nonce = isset( $_POST['nonce'] ) ? sanitize_text_field( wp_unslash( $_POST['nonce'] ) ) : '';

	if ( ! wp_verify_nonce( $nonce, 'amm_reset_map' ) ) {
		wp_send_json_error(
			array(
				'result'  => '0',
				'message' => __( 'Unauthorized Access', 'add-multiple-marker' ),
			),
			401
		);
	}
	$result = delete_option( 'amm_maps_marker' );
	if ( $result ) {
		wp_send_json_success(
			array(
				'result'  => '1',
				'message' => __( 'Map reset to default', 'add-multiple-marker' ),
			),
			201
		);
	} else {
		wp_send_json_error(
			array(
				'result'  => '0',
				'message' => __( 'Failed, please try again', 'add-multiple-marker' ),
			)
		);
	}
}
add_action( 'wp_ajax_addmultiplemarker_reset_map', 'addmultiplemarker_reset_map' );
add_action( 'wp_ajax_nopriv_addmultiplemarker_reset_map', 'addmultiplemarker_reset_map' );

/**
 * Save map api key.
 */
function addmultiplemarker_save_map_api() {
	// Check user capabilities.
	if ( ! current_user_can( 'manage_options' ) ) {
		wp_send_json_error(
			array(
				'result'  => '0',
				'message' => __( 'Unauthorized Access', 'add-multiple-marker' ),
			),
			403
		);
	}

	$nonce = isset( $_POST['nonce'] ) ? sanitize_text_field( wp_unslash( $_POST['nonce'] ) ) : '';

	if ( ! wp_verify_nonce( $nonce, 'amm_save_map_api' ) ) {
		wp_send_json_error(
			array(
				'result'  => '0',
				'message' => __( 'Unauthorized Access', 'add-multiple-marker' ),
			),
			401
		);
	}
	$api_key      = isset( $_POST['apiKeyValue'] ) ? sanitize_text_field( wp_unslash( $_POST['apiKeyValue'] ) ) : '';
	$is_key_valid = addmultiplemarker_validate_map_key( $api_key );

	if ( ! $api_key || ! $is_key_valid ) {
		wp_send_json_error(
			array(
				'result'  => '0',
				'message' => __( 'Please Enter Valid Google Map Api Key', 'add-multiple-marker' ),
			)
		);
	}
	$map_setting = get_option( 'amm_map_setting' );

	if ( ! is_array( $map_setting ) ) {
		$map_setting = array();
	}
	$map_setting['api'] = $api_key;
	$result             = update_option( 'amm_map_setting', $map_setting );

	if ( $result ) {
		wp_send_json_success(
			array(
				'result'  => '1',
				'message' => __( 'Your changes saved successfully', 'add-multiple-marker' ),
			),
			201
		);
	} else {
		wp_send_json_error(
			array(
				'result'  => '0',
				'message' => __( 'Fail to save API key, please try again', 'add-multiple-marker' ),
			)
		);
	}
}
add_action( 'wp_ajax_addmultiplemarker_save_map_api', 'addmultiplemarker_save_map_api' );
add_action( 'wp_ajax_nopriv_addmultiplemarker_save_map_api', 'addmultiplemarker_save_map_api' );

/**
 * Validate Google Map API key.
 *
 * @param string $api_key Map API key.
 */
function addmultiplemarker_validate_map_key( $api_key ) {
	$url      = 'https://maps.googleapis.com/maps/api/geocode/json?address=New+York&key=' . $api_key;
	$response = wp_remote_get( $url );
	$data     = json_decode( wp_remote_retrieve_body( $response ), true );

	if ( ! isset( $data['error_message'] ) ) {
		return true;
	}
	$message = sanitize_text_field( $data['error_message'] );
	return ( 'The provided API key is invalid.' === $message ) ? false : true;
}