package handlers

import (
	"net/http"

	"galaxy/rtmanager/internal/service/startruntime"
)

// newListHandler returns the handler for `GET /api/v1/internal/runtimes`.
// The handler reads directly from `ports.RuntimeRecordStore.List` —
// this surface is read-only and does not produce operation_log rows
// (rationale: see `rtmanager/docs/services.md` §18).
func newListHandler(deps Dependencies) http.HandlerFunc {
	logger := loggerFor(deps.Logger, "internal_rest.list")
	return func(writer http.ResponseWriter, request *http.Request) {
		if deps.RuntimeRecords == nil {
			writeError(writer, http.StatusInternalServerError,
				startruntime.ErrorCodeInternal,
				"runtime records store is not wired",
			)
			return
		}

		records, err := deps.RuntimeRecords.List(request.Context())
		if err != nil {
			logger.ErrorContext(request.Context(), "list runtime records",
				"err", err.Error(),
			)
			writeError(writer, http.StatusInternalServerError,
				startruntime.ErrorCodeInternal,
				"failed to list runtime records",
			)
			return
		}

		writeJSON(writer, http.StatusOK, encodeRuntimesList(records))
	}
}