package remote

import (
	"bytes"
	"context"
	"encoding/json"
	"fmt"
	"net/http"
	"strings"
	"time"
)

type ClientConfig struct {
	URL     string
	Token   string
	Timeout time.Duration
}

type Client struct {
	cfg ClientConfig
}

func NewClient(cfg ClientConfig) Client {
	if cfg.Timeout <= 0 {
		cfg.Timeout = 5 * time.Second
	}
	return Client{cfg: cfg}
}

func (c Client) Report(ctx context.Context, report StatusReport) error {
	body, err := json.Marshal(report)
	if err != nil {
		return err
	}
	url := strings.TrimRight(c.cfg.URL, "/") + "/api/v1/status"
	req, err := http.NewRequestWithContext(ctx, http.MethodPost, url, bytes.NewReader(body))
	if err != nil {
		return err
	}
	req.Header.Set("Content-Type", "application/json")
	if c.cfg.Token != "" {
		req.Header.Set("Authorization", "Bearer "+c.cfg.Token)
	}

	client := &http.Client{Timeout: c.cfg.Timeout}
	resp, err := client.Do(req)
	if err != nil {
		return err
	}
	defer resp.Body.Close()
	if resp.StatusCode < 200 || resp.StatusCode > 299 {
		return fmt.Errorf("remote report failed: %s", resp.Status)
	}
	return nil
}