package store

import (
	"testing"

	"github.com/tinode/chat/server/store/types"
)

func TestFileLinkUserIDAllowsOpaqueTopicReferences(t *testing.T) {
	tests := []struct {
		name    string
		topic   string
		isUser  bool
		wantUID types.Uid
	}{
		{name: "cultivate reference", topic: "cvpbzxw1aio4ni8x0"},
		{name: "short opaque reference", topic: "x"},
		{name: "empty reference", topic: ""},
		{name: "user reference", topic: types.Uid(42).UserId(), isUser: true, wantUID: types.Uid(42)},
	}

	for _, test := range tests {
		t.Run(test.name, func(t *testing.T) {
			gotUID, gotIsUser := fileLinkUserID(test.topic)
			if gotIsUser != test.isUser || gotUID != test.wantUID {
				t.Fatalf("fileLinkUserID(%q) = (%v, %v), want (%v, %v)", test.topic, gotUID, gotIsUser, test.wantUID, test.isUser)
			}
		})
	}
}