From 72f4c3d7b866de50f851556e21da0a837fdcccdf Mon Sep 17 00:00:00 2001
From: UnrealDragon <ud@bluedragon.unrealdragon>
Date: Mon, 15 Sep 2025 01:21:33 +0530
Subject: [PATCH] minor bug fixes

---
 main.cpp | 31 +++++++++++++++++++++----------
 1 file changed, 21 insertions(+), 10 deletions(-)

diff --git a/main.cpp b/main.cpp
index 1144115..854199e 100644
--- a/main.cpp
+++ b/main.cpp
@@ -78,8 +78,9 @@ void show_help() {
   ss << "    -d  --delete-link : Delete an exisiting link e.g: goto -d [LINK_NAME]" << std::endl;
   ss << "    -rf --delete-file : Delete the existing link file completely." << std::endl;
   ss << "    [LINK_NAME]       : Goes to an exisiting link e.g: goto [LINK_NAME]" << std::endl;
-  ss << "    [LINK_NAME]       : Rules for creating [LINK_NAME] name must be BASH variable and must not start with \"-\"" << std::endl;
-  ss << "    [LINK_NAME]       : [LINK_NAME] cannot be \"last\"" << std::endl;
+  ss << "Reserved link names: " << std::endl;
+  ss << "     last             : Stores the last navigated link directory" << std::endl;
+  ss << "     prev             : Stores the directory from which last navigation was performed" << std::endl;
   std::cout << ss.str();
 }
 
@@ -103,12 +104,16 @@ void print_links() {
   int iter = 1;
   std::cout << "Links from file: " << globals::config_path << std::endl;
   for(auto &[key, value]: link_list) {
-    if(key != "last")
+    if(key != "last" && key != "prev")
       std::cout << iter++ << ". " <<  key << " --> " << value << std::endl;
   }
   if(link_list.find("last") != link_list.end()) {
-    std::cout << iter << ". Last place --> " << link_list["last"] << std::endl;
+    std::cout << iter++ << ". last --> " << link_list["last"] << std::endl;
   }
+  if(link_list.find("prev") != link_list.end()) {
+    std::cout << iter++ << ". prev --> " << link_list["prev"] << std::endl;
+  }
+
 }
 
 void print_links_only() {
@@ -130,14 +135,19 @@ void print_links_only() {
 
 
 void delete_link(std::string link_name) {
-  QJsonObject obj = globals::read_config().or_else([](bool err){
+  QJsonObject obj = globals::read_config().or_else([](bool err) {
     std::cout << "Could not read config file." << std::endl;
     exit(-1);
     return std::expected<QJsonObject, bool> {QJsonObject()};
   }).value();
-  obj.remove(QString::fromStdString(link_name));
-  globals::overwrite_config(obj);
-  std::cout << "Link: " << link_name << " deleted." << std::endl;
+  if(obj.find(QString::fromStdString(link_name)) != obj.end()) {
+    obj.remove(QString::fromStdString(link_name));
+    globals::overwrite_config(obj);
+    std::cout << "Link: " << link_name << " deleted." << std::endl;
+  }
+  else {
+    std::cout << "Link: " << link_name << " does not exist in the links file." << std::endl;
+  }
 }
 
 void create_link(std::string link_name, std::string dir) {
@@ -192,6 +202,7 @@ void goto_link(std::string link_name) {
     std::cout << "Specified link: " << link_name << " does not exist in links file." << std::endl;
     exit(-1);
   }
+  config["prev"] = QString::fromStdString(std::filesystem::current_path().string());
   config["last"] = QString::fromStdString(place);
   globals::overwrite_config(config);
   // int parent_id = get_parent_id();
@@ -238,7 +249,7 @@ void print_path(std::string link_name) {
     exit(-1);
     return std::expected<QJsonObject, bool> {QJsonObject()};
   }).value();
-  std::string place = config[QString::fromStdString(link_name)].toString("Unkown link name.").toStdString();
+  std::string place = config[QString::fromStdString(link_name)].toString("Unknown link name.").toStdString();
   std::cout << place << std::endl;
 }
 
@@ -254,7 +265,7 @@ int main(int argc, char *argv[]) {
   }
   globals::config_path = globals::config_path / "links.json";
 
-  std::unordered_map<std::string, int> command_list = {{"help", 1}, {"h", 1}, {"create_link", 2}, {"c", 2}, {"l", 3}, {"list", 3}, {"d", 4}, {"delete-link", 4}, {"rf", 5}, {"delete-file", 5}, {"lo", 6}, {"links-only", 6}, {"p", 7}, {"--print-path", 7}};
+  std::unordered_map<std::string, int> command_list = {{"help", 1}, {"h", 1}, {"create-link", 2}, {"c", 2}, {"l", 3}, {"list", 3}, {"d", 4}, {"delete-link", 4}, {"rf", 5}, {"delete-file", 5}, {"lo", 6}, {"links-only", 6}, {"p", 7}, {"--print-path", 7}};
 
 
   int command_size = argc - 1;