using Perforce.P4;

namespace P4DoNetApi
{
    class P4Utils
    {
        private string uri;
        private string user;
        private string workspace;
        private Repository repo;
        private Connection conn;
        public P4Utils(string uri, string user, string workspace)
        {
            this.uri = uri;
            this.user = user;
            this.workspace = workspace;
            repo = new Repository(new Server(new ServerAddress(uri)));
            conn = repo.Connection;
            conn.UserName = user;
            conn.Client = new Client { Name = workspace };
            conn.Connect(null);
        }

        /// <summary>
        /// 获取当前workspace所有changelist描述
        /// </summary>
        /// <returns>描述名list</returns>
        public List<string> getAllChangeListDescription()
        {
            List<string> result = new List<string>();
            // p4 changes -L -c {workspace} -m 10 -u {user}
            ChangesCmdOptions options = new ChangesCmdOptions(ChangesCmdFlags.LongDescription, workspace, 10, ChangeListStatus.None, user);
            IList<Changelist> changelists = repo.GetChangelists(options, null);
            foreach(var change in changelists)
            {
                result.Add(change.Description);
            }
            return result;
        }

        public List<string> getAllFileDepotPathInChangeList(int changelistId)
        {
            List<string> result = new List<string>();
            Changelist changelist = repo.GetChangelist(changelistId);
            if(changelist != null)
            {
                foreach(var fileMetaData in changelist.Files)
                {
                    result.Add(fileMetaData.DepotPath.Path);
                }
            }
            return result;
        }
    }
}