package spacesyncer

import (
	"gitlink.org.cn/cloudream/common/pkgs/trie"
	stgtypes "gitlink.org.cn/cloudream/jcs-pub/common/pkgs/storage/types"
	jcstypes "gitlink.org.cn/cloudream/jcs-pub/common/types"
)

func execute(syncer *SpaceSyncer, task *task) {
	switch mode := task.Task.Mode.(type) {
	case *jcstypes.SpaceSyncModeFull:
		executeFull(syncer, task)
	case *jcstypes.SpaceSyncModeDiff:
		executeDiff(syncer, task, mode)
	}
}

func createDirNode(tree *trie.Trie[*stgtypes.DirEntry], pathComps []string, e *stgtypes.DirEntry) {
	var ptr = &tree.Root
	for _, c := range pathComps {
		ptr.Value = nil
		ptr = ptr.Create(c)
	}
	ptr.Value = e
}

func removeDirNode(tree *trie.Trie[*stgtypes.DirEntry], pathComps []string) {
	var ptr = &tree.Root
	for _, c := range pathComps {
		ptr.Value = nil
		next := ptr.WalkNext(c)
		if next == nil {
			break
		}
	}
	ptr.Value = nil
	ptr.RemoveSelf(true)
}