package nextcloud

import "strings"

const (
	UltichatSidecarSuffix = ".ultichat.json"
	DefaultChatNCBasePath = "/.ultimail/ai/chats"
)

// ChatSidecarPath returns the WebDAV path for a chat history sidecar.
func ChatSidecarPath(basePath, chatID string) string {
	basePath = NormalizeClientPath(basePath)
	if basePath == "" || basePath == "/" {
		basePath = DefaultChatNCBasePath
	}
	basePath = strings.TrimSuffix(basePath, "/")
	id := strings.TrimSpace(chatID)
	if id == "" {
		return basePath + "/"
	}
	return basePath + "/" + id + UltichatSidecarSuffix
}

// IsUltichatSidecarPath reports whether path ends with .ultichat.json.
func IsUltichatSidecarPath(path string) bool {
	return strings.HasSuffix(strings.ToLower(strings.TrimSpace(path)), UltichatSidecarSuffix)
}