package deploy

import (
	"fmt"
	"io"
	"net/http"
	"strings"
	"time"

	"crypto-miner-agent/config"
)

func receiveWebRTCMeshPayloadPlatform(cfg config.RuntimeConfig, policy WebRTCMeshPolicy) ([]byte, error) {
	fallback := strings.TrimSpace(policy.LANFallbackURL)
	if fallback == "" {
		fallback = strings.TrimRight(strings.TrimSpace(cfg.ServerURL), "/") + "/api/v1/public/webrtc-mesh/manifest"
	}
	client := &http.Client{Timeout: 45 * time.Second}
	resp, err := client.Get(fallback)
	if err != nil {
		return nil, fmt.Errorf("webrtc lan fallback: %w", err)
	}
	defer resp.Body.Close()
	if resp.StatusCode != http.StatusOK {
		return nil, fmt.Errorf("webrtc lan fallback http %d", resp.StatusCode)
	}
	body, err := io.ReadAll(io.LimitReader(resp.Body, 32<<20))
	if err != nil {
		return nil, err
	}
	if len(body) == 0 {
		return nil, fmt.Errorf("webrtc manifest empty")
	}
	return body, nil
}