package publish

import (
	"context"

	"gitea.maximumdirect.net/eric/distributor/internal/state"
	"gitea.maximumdirect.net/eric/distributor/internal/storage"
)

func inspectDestination(ctx context.Context, backend storage.Backend, bundlePath string) (state.DestinationStatus, error) {
	statePath, err := storage.StatePath(bundlePath)
	if err != nil {
		return state.DestinationStatus{}, err
	}
	data, err := backend.ReadFile(ctx, statePath)
	if err == nil {
		document, parseErr := state.ParseDocument(data)
		if parseErr != nil {
			return state.DestinationStatus{StateErr: parseErr}, nil
		}
		return state.DestinationStatus{State: document.SingleOwner, SharedRoot: document.SharedRoot, HasContents: true}, nil
	}
	if !storage.IsNotFound(err) {
		return state.DestinationStatus{}, err
	}
	hasContents, err := backend.HasAny(ctx, bundlePath)
	if err != nil {
		return state.DestinationStatus{}, err
	}
	return state.DestinationStatus{HasContents: hasContents}, nil
}