package port

import (
	"net/http"

	"gitea.dwysokinski.me/twhelp/corev3/internal/domain"
	"gitea.dwysokinski.me/twhelp/corev3/internal/port/internal/apimodel"
)

func (h *apiHTTPHandler) ListVersions(w http.ResponseWriter, r *http.Request, params apimodel.ListVersionsParams) {
	domainParams := domain.NewListVersionsParams()

	if params.Limit != nil {
		if err := domainParams.SetLimit(*params.Limit); err != nil {
			apiErrorRenderer{errors: []error{err}, formatErrorPath: formatListVersionsParamsErrorPath}.render(w, r)
			return
		}
	}

	if params.Cursor != nil {
		if err := domainParams.SetEncodedCursor(*params.Cursor); err != nil {
			apiErrorRenderer{errors: []error{err}, formatErrorPath: formatListVersionsParamsErrorPath}.render(w, r)
			return
		}
	}

	res, err := h.versionSvc.List(r.Context(), domainParams)
	if err != nil {
		apiErrorRenderer{errors: []error{err}}.render(w, r)
		return
	}

	renderJSON(w, r, http.StatusOK, apimodel.NewListVersionsResponse(res))
}

func formatListVersionsParamsErrorPath(elems []errorPathElement) []string {
	if elems[0].model != "ListVersionsParams" {
		return nil
	}

	switch elems[0].field {
	case "cursor":
		return []string{"$query", "cursor"}
	case "limit":
		return []string{"$query", "limit"}
	default:
		return nil
	}
}