package handlers

import (
	"net/http"

	"github.com/go-chi/chi/v5"

	"github.com/hanzoai/bootnode/api/web3"
)

// MountChains registers /v1/chains/* — chain discovery.
func MountChains(r chi.Router, _ Deps) {
	r.Route("/chains", func(r chi.Router) {
		r.Get("/", func(w http.ResponseWriter, _ *http.Request) {
			writeJSON(w, http.StatusOK, map[string]any{
				"chains": web3.AllChains(),
				"count":  len(web3.AllChains()),
			})
		})
		r.Get("/{chain}", func(w http.ResponseWriter, r *http.Request) {
			name := chi.URLParam(r, "chain")
			info, ok := web3.ChainByName(name)
			if !ok {
				writeJSON(w, http.StatusNotFound, errBody{"unknown chain: " + name})
				return
			}
			writeJSON(w, http.StatusOK, info)
		})
	})
}