package amclient

import (
	"fmt"
	"io/ioutil"
	"net/http"
	"net/url"
)

type Client struct {
	addr   string
	apiKey string
}

// addr is the full address, for example: https://x.io/report.
func New(addr, apiKey string) Client {
	return Client{addr, apiKey}
}

func (cl Client) post(values url.Values) error {
	resp, err := http.PostForm(cl.addr, values)
	if err != nil {
		return err
	}
	defer resp.Body.Close()
	body, err := ioutil.ReadAll(resp.Body)
	if err != nil {
		return err
	}
	if resp.StatusCode != http.StatusOK {
		return fmt.Errorf("POST failed: [%d] %s", resp.StatusCode, body)
	}
	return nil
}

func (cl Client) Ping() error {
	return cl.post(url.Values{
		"key":    []string{cl.apiKey},
		"action": []string{"ping"},
	})
}

func (cl Client) Log(text string) error {
	return cl.post(url.Values{
		"key":    []string{cl.apiKey},
		"action": []string{"log"},
		"text":   []string{text},
	})
}

func (cl Client) Alert(text string) error {
	return cl.post(url.Values{
		"key":    []string{cl.apiKey},
		"action": []string{"alert"},
		"text":   []string{text},
	})
}