package app

import (
	"net/http"
	"strings"
)

// ---------------------------------------------------------------------
// domains table
// ---------------------------------------------------------------------

// GET /api/v1/domains/table -> { "lines": [ ... ] }
func handleDomainsTable(w http.ResponseWriter, r *http.Request) {
	if r.Method != http.MethodGet {
		http.Error(w, "method not allowed", http.StatusMethodNotAllowed)
		return
	}

	lines := []string{}
	for _, setName := range []string{"agvpn4", "agvpn_dyn4"} {
		stdout, _, code, _ := runCommand("nft", "list", "set", "inet", "agvpn", setName)
		if code == 0 {
			for _, l := range strings.Split(stdout, "\n") {
				l = strings.TrimRight(l, "\r")
				if l != "" {
					lines = append(lines, l)
				}
			}
			continue
		}

		// Backward-compatible fallback for legacy hosts that still have ipset.
		stdout, _, code, _ = runCommand("ipset", "list", setName)
		if code != 0 {
			continue
		}
		for _, l := range strings.Split(stdout, "\n") {
			l = strings.TrimRight(l, "\r")
			if l != "" {
				lines = append(lines, l)
			}
		}
	}
	writeJSON(w, http.StatusOK, map[string]any{"lines": lines})
}