using System;
using System.IO;
using MCPForUnity.Editor.Helpers;
using UnityEngine;
namespace MCPForUnity.Editor.Services.Server
{
/// <summary>
/// Launches commands in platform-specific terminal windows.
/// Supports macOS Terminal, Windows cmd, and Linux terminal emulators.
/// </summary>
public class TerminalLauncher : ITerminalLauncher
{
/// <inheritdoc/>
public string GetProjectRootPath()
{
try
{
// Application.dataPath is ".../<Project>/Assets"
return Path.GetFullPath(Path.Combine(Application.dataPath, ".."));
}
catch
{
return Application.dataPath;
}
}
/// <inheritdoc/>
public System.Diagnostics.ProcessStartInfo CreateTerminalProcessStartInfo(string command)
{
if (string.IsNullOrWhiteSpace(command))
throw new ArgumentException("Command cannot be empty", nameof(command));
command = command.Replace("\r", "").Replace("\n", "");
#if UNITY_EDITOR_OSX
// macOS: Avoid AppleScript (automation permission prompts). Use a .command script and open it.
string scriptsDir = Path.Combine(GetProjectRootPath(), "Library", "MCPForUnity", "TerminalScripts");
Directory.CreateDirectory(scriptsDir);
string scriptPath = Path.Combine(scriptsDir, "mcp-terminal.command");
File.WriteAllText(
scriptPath,
"#!/bin/bash\n" +
"set -e\n" +
"clear\n" +
$"{command}\n");
ExecPath.TryRun("/bin/chmod", $"+x \"{scriptPath}\"", Application.dataPath, out _, out _, 3000);
return new System.Diagnostics.ProcessStartInfo
{
FileName = "/usr/bin/open",
Arguments = $"-a Terminal \"{scriptPath}\"",
UseShellExecute = false,
CreateNoWindow = true
};
#elif UNITY_EDITOR_WIN
// Windows: Avoid brittle nested-quote escaping by writing a .cmd script and starting it in a new window.
string scriptsDir = Path.Combine(GetProjectRootPath(), "Library", "MCPForUnity", "TerminalScripts");
Directory.CreateDirectory(scriptsDir);
string scriptPath = Path.Combine(scriptsDir, "mcp-terminal.cmd");
File.WriteAllText(
scriptPath,
"@echo off\r\n" +
"cls\r\n" +
command + "\r\n");
return new System.Diagnostics.ProcessStartInfo
{
FileName = "cmd.exe",
Arguments = $"/c start \"MCP Server\" cmd.exe /k \"{scriptPath}\"",
UseShellExecute = false,
CreateNoWindow = true
};
#else
// Linux: Try common terminal emulators
// We use bash -c to execute the command, so we must properly quote/escape for bash
// Escape single quotes for the inner bash string
string escapedCommandLinux = command.Replace("'", "'\\''");
// Wrap the command in single quotes for bash -c
string script = $"'{escapedCommandLinux}; exec bash'";
// Escape double quotes for the outer Process argument string
string escapedScriptForArg = script.Replace("\"", "\\\"");
string bashCmdArgs = $"bash -c \"{escapedScriptForArg}\"";
string[] terminals = { "gnome-terminal", "xterm", "konsole", "xfce4-terminal" };
string terminalCmd = null;
foreach (var term in terminals)
{
try
{
var which = System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo
{
FileName = "which",
Arguments = term,
UseShellExecute = false,
RedirectStandardOutput = true,
CreateNoWindow = true
});
which.WaitForExit(5000); // Wait for up to 5 seconds, the command is typically instantaneous
if (which.ExitCode == 0)
{
terminalCmd = term;
break;
}
}
catch { }
}
if (terminalCmd == null)
{
terminalCmd = "xterm"; // Fallback
}
// Different terminals have different argument formats
string args;
if (terminalCmd == "gnome-terminal")
{
args = $"-- {bashCmdArgs}";
}
else if (terminalCmd == "konsole")
{
args = $"-e {bashCmdArgs}";
}
else if (terminalCmd == "xfce4-terminal")
{
// xfce4-terminal expects -e "command string" or -e command arg
args = $"--hold -e \"{bashCmdArgs.Replace("\"", "\\\"")}\"";
}
else // xterm and others
{
args = $"-hold -e {bashCmdArgs}";
}
return new System.Diagnostics.ProcessStartInfo
{
FileName = terminalCmd,
Arguments = args,
UseShellExecute = false,
CreateNoWindow = true
};
#endif
}
}
}
