package hammerhead

import (
	"context"
	"net/http"
	"time"

	"git.veillax.com/Veillax/reef/selfupdate"
)

// checkUpdate asks the release server whether a newer Hammerhead exists. It only looks: updating is
// left to auto-update or to the person running the server.
func (s *Server) checkUpdate(w http.ResponseWriter, r *http.Request, p *principal) {
	o := s.opts
	cfg := selfupdate.Config{Server: o.UpdateServer, Repo: o.UpdateRepo, App: "hammerhead", Current: o.Version}
	if cfg.Server == "" {
		cfg.Server = "https://git.veillax.com"
	}
	if cfg.Repo == "" {
		cfg.Repo = "Veillax/hammerhead"
	}
	ctx, cancel := context.WithTimeout(r.Context(), 20*time.Second)
	defer cancel()
	out := map[string]any{"current": o.Version, "autoUpdate": o.AutoUpdate, "checked": time.Now()}
	latest, newer, err := selfupdate.Check(ctx, cfg)
	out["latest"], out["newer"] = latest, newer
	if err != nil {
		out["error"] = err.Error()
	}
	writeJSON(w, 200, out)
}