package dadata

import (
	"context"
	"fmt"
)

// GeoIP try to find address by IP
// see documentation on:
//    https://dadata.ru/api/detect_address_by_ip/
//    https://confluence.hflabs.ru/pages/viewpage.action?pageId=715096277
// ip string representation of ip-address (example 10.12.44.23)
// if ip=="" then dadata try to get ip-address from X-Forwarded-For header
func (c *Client) GeoIP(ip string) (*GeoIPResponse, error) {
	return c.GeoIPWithCtx(context.Background(), ip)
}

// GeoIPWithCtx try to find address by IP
// see documentation on:
//    https://dadata.ru/api/detect_address_by_ip/
//    https://confluence.hflabs.ru/pages/viewpage.action?pageId=715096277
// ip string representation of ip-address (example 10.12.44.23)
// if ip=="" then dadata try to get ip-address from X-Forwarded-For header
func (c *Client) GeoIPWithCtx(ctx context.Context, ip string) (result *GeoIPResponse, err error) {
	result = &GeoIPResponse{}
	if err = c.sendRequestToURL(ctx, "GET", c.options.baseSuggestURL+"detectAddressByIp?ip="+ip, nil, &result); err != nil {
		result = nil
	} else if result.Location == nil {
		result, err = nil, fmt.Errorf("dadata.GeoIP: cannot detect address by ip %s", ip)
	}
	return
}