package api

import (
	"bytes"
	"crypto/tls"
	"encoding/json"
	"net/http"
)

type HttpClient struct {
	baseURL   string
	userAgent string
}

func NewHttpClient(baseURL string) *HttpClient {
	return &HttpClient{baseURL: baseURL, userAgent: "internal-http-client"}
}

func (c *HttpClient) SendGet(url string, data, out any) error {
	resp, err := c.sendRequest(url, http.MethodGet, data)
	if err != nil {
		return err
	}

	decoder := json.NewDecoder(resp.Body)
	defer resp.Body.Close()

	return decoder.Decode(&out)
}

func (c *HttpClient) SendPost(url string, data, out any) error {
	resp, err := c.sendRequest(url, http.MethodPost, data)
	if err != nil {
		return err
	}

	decoder := json.NewDecoder(resp.Body)
	defer resp.Body.Close()

	return decoder.Decode(&out)
}

func (c *HttpClient) sendRequest(url, method string, data any) (*http.Response, error) {
	apiUrl := c.baseURL + url

	tr := &http.Transport{
		TLSClientConfig: &tls.Config{InsecureSkipVerify: true}, // FIXME dev mode
	}

	client := &http.Client{Transport: tr} // FIXME dev mode

	json, err := json.Marshal(&data)
	if err != nil {
		return nil, err
	}

	req, err := http.NewRequest(method, apiUrl, bytes.NewBuffer(json))
	if err != nil {
		return nil, err
	}

	req.Header.Set("Content-Type", "application/json")
	req.Header.Set("User-Agent", c.userAgent)
	req.Header.Set("Authorization", "Bearer DupaToken")
	resp, err := client.Do(req)
	if err != nil {
		return nil, err
	}

	return resp, nil
}