From 7e09b35b008f58809ac56184a4f83ab875c038e0 Mon Sep 17 00:00:00 2001
From: Akshay Nair <phenax5@gmail.com>
Date: Sat, 5 Apr 2025 10:33:38 +0530
Subject: Add instance manager for enforcing single instance

---
 src/main.cpp | 54 +++++++++++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 51 insertions(+), 3 deletions(-)

(limited to 'src/main.cpp')

diff --git a/src/main.cpp b/src/main.cpp
index d5ab486..ac0cedd 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,13 +1,61 @@
 #include <QApplication>
 
+#include "InstanceManager.hpp"
+#include "LuaRuntime.hpp"
+#include "WindowActionRouter.hpp"
 #include "widgets/BrowserApp.hpp"
 
+QCommandLineParser *create_cli_parser() {
+  auto *parser = new QCommandLineParser();
+  parser->setApplicationDescription("null-browser");
+  parser->addHelpOption();
+  parser->addVersionOption();
+  parser->addPositionalArgument("url", "URL(s) to open", "[url]");
+  parser->addOptions({
+      {{"e", "expr"}, "Lua expression to execute", "lua"},
+  });
+
+  return parser;
+}
+
 int main(int argc, char *argv[]) {
   const QApplication app(argc, argv);
+  QApplication::setApplicationName("null-browser");
+  QApplication::setApplicationVersion("0.0.0");
+
+  auto *parser = create_cli_parser();
+  parser->process(app);
+
+  InstanceManager instance_manager;
+  if (instance_manager.is_server()) {
+    auto *browser = new BrowserApp;
+    browser->create_window();
+
+    auto &lua = LuaRuntime::instance();
+    QObject::connect(&instance_manager, &InstanceManager::lua_eval_requested,
+                     &lua, &LuaRuntime::evaluate);
+    QObject::connect(&instance_manager, &InstanceManager::urls_open_requested,
+                     &lua, [browser](const QStringList &urls) {
+                       qDebug() << urls;
+                       browser->create_window(urls);
+                     });
+  } else {
+    qInfo() << "Using current instance";
+
+    auto urls = parser->positionalArguments();
+    auto lua_expr = parser->value("expr");
+    qDebug() << urls;
+    qDebug() << lua_expr;
+
+    if (!urls.isEmpty() || lua_expr.isEmpty())
+      instance_manager.write_open_urls_to_socket(urls);
+
+    if (!lua_expr.isEmpty())
+      instance_manager.write_lua_expr_to_socket(lua_expr);
 
-  BrowserApp browser;
-  browser.create_window();
-  // browser.create_window();
+    instance_manager.send_message();
+    return 0;
+  }
 
   return QApplication::exec();
 }
-- 
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