using System;

namespace SourceGit.Commands {
    public class Push : Command {
        public Push(string repo, string local, string remote, string remoteBranch, bool withTags, bool force, bool track, Action<string> onProgress) {
            WorkingDirectory = repo;
            Context = repo;
            TraitErrorAsOutput = true;
            _outputHandler = onProgress;

            var sshKey = new Config(repo).Get($"remote.{remote}.sshkey");
            if (!string.IsNullOrEmpty(sshKey)) {
                Args = $"-c core.sshCommand=\"ssh -i '{sshKey}'\" ";
            } else {
                Args = "-c credential.helper=manager ";
            }

            Args += "push --progress --verbose ";

            if (withTags) Args += "--tags ";
            if (track) Args += "-u ";
            if (force) Args += "--force-with-lease ";

            Args += $"{remote} {local}:{remoteBranch}";
        }

        /// <summary>
        ///     Only used to delete a remote branch!!!!!!
        /// </summary>
        /// <param name="repo"></param>
        /// <param name="remote"></param>
        /// <param name="branch"></param>
        public Push(string repo, string remote, string branch) {
            WorkingDirectory = repo;
            Context = repo;
            TraitErrorAsOutput = true;

            var sshKey = new Config(repo).Get($"remote.{remote}.sshkey");
            if (!string.IsNullOrEmpty(sshKey)) {
                Args = $"-c core.sshCommand=\"ssh -i '{sshKey}'\" ";
            } else {
                Args = "-c credential.helper=manager ";
            }

            Args += $"push {remote} --delete {branch}";
        }

        public Push(string repo, string remote, string tag, bool isDelete) {
            WorkingDirectory = repo;
            Context = repo;

            var sshKey = new Config(repo).Get($"remote.{remote}.sshkey");
            if (!string.IsNullOrEmpty(sshKey)) {
                Args = $"-c core.sshCommand=\"ssh -i '{sshKey}'\" ";
            } else {
                Args = "-c credential.helper=manager ";
            }

            Args += "push ";
            if (isDelete) Args += "--delete ";
            Args += $"{remote} refs/tags/{tag}";
        }

        protected override void OnReadline(string line) {
            _outputHandler?.Invoke(line);
        }

        private Action<string> _outputHandler = null;
    }
}