package handlers

import (
	"net/http"

	engineversionsvc "galaxy/gamemaster/internal/service/engineversion"
)

// newDeprecateEngineVersionHandler returns the handler for
// `DELETE /api/v1/internal/engine-versions/{version}`. The endpoint
// flips the row's status to `deprecated` (decision D2 in
// `gamemaster/docs/stage19-internal-rest-handlers.md`); hard removal
// is reserved for future Admin Service operations and not exposed
// here.
func newDeprecateEngineVersionHandler(deps Dependencies) http.HandlerFunc {
	logger := loggerFor(deps.Logger, "internal_rest.deprecate_engine_version")
	return func(writer http.ResponseWriter, request *http.Request) {
		if deps.EngineVersions == nil {
			writeError(writer, http.StatusInternalServerError, errorCodeInternal, "engine version service is not wired")
			return
		}

		version, ok := extractVersion(writer, request)
		if !ok {
			return
		}

		if err := deps.EngineVersions.Deprecate(request.Context(), engineversionsvc.DeprecateInput{
			Version:   version,
			OpSource:  resolveOpSource(request),
			SourceRef: requestSourceRef(request),
		}); err != nil {
			logger.ErrorContext(request.Context(), "deprecate engine version failed",
				"version", version,
				"err", err.Error(),
			)
			status, code, message := mapServiceError(err)
			writeError(writer, status, code, message)
			return
		}

		writeNoContent(writer)
	}
}