package webclient

import (
	"bytes"
	"encoding/json"
	"fmt"
	"io"
	"net/http"
	daemon "spud/daemon"
	service_definition "spud/service_definition"
)

type HttpClient interface {
	Post(string, string, io.Reader) (*http.Response, error)
	Do(*http.Request) (*http.Response, error)
}

type WebClient struct {
	httpClient HttpClient
	Host       string
	Port       int
}

func NewWebClient(host string, port int) *WebClient {
	return &WebClient{
		httpClient: &http.Client{},
		Host:       host,
		Port:       port,
	}
}

func (c WebClient) getBaseUrl() string {
	return fmt.Sprintf("%s:%d", c.Host, c.Port)
}

func (c WebClient) CreateService(def service_definition.ServiceDefinition) error {
	payload := daemon.ServiceListPayload{
		Definition: def,
	}

	serializedPayload, _ := json.Marshal(payload)

	_, e := c.httpClient.Post(c.getBaseUrl()+"/service/", "application/json", bytes.NewBuffer(serializedPayload))

	return e
}

func (c WebClient) StopService(name string) error {
	req, _ := http.NewRequest(http.MethodDelete, c.getBaseUrl()+"/service/"+name+"/", nil)
	_, e := c.httpClient.Do(req)

	return e
}