From 10c3746a6df45dd154955a9e91e662260f36363f Mon Sep 17 00:00:00 2001
From: Richard Qin <richard.qin.x@gmail.com>
Date: Tue, 14 Apr 2026 14:38:42 +0800
Subject: refactor: adjust code structure

---
 src/core/local_data.cc | 171 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 171 insertions(+)
 create mode 100644 src/core/local_data.cc

(limited to 'src/core/local_data.cc')

diff --git a/src/core/local_data.cc b/src/core/local_data.cc
new file mode 100644
index 0000000..9115844
--- /dev/null
+++ b/src/core/local_data.cc
@@ -0,0 +1,171 @@
+/*
+ * Ricochet - A minimalist CLI web browser for fast, distraction-free navigation.
+ * Copyright (C) 2026  Richard Qin
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "ricochet/core/local_data.hh"
+#include <cstdlib>
+#include <fstream>
+#include <sys/stat.h>
+#include <vector>
+
+namespace ricochet::core {
+
+std::string get_config_path( const std::string& filename )
+{
+  const char* home = std::getenv( "HOME" ); // NOLINT(concurrency-mt-unsafe)
+  const std::string dir = ( home != nullptr ) ? std::string( home ) + "/.ricochet" : ".ricochet";
+  static_cast<void>( mkdir( dir.c_str(), 0755 ) );
+  return dir + "/" + filename;
+}
+
+void save_bookmark( const std::string& title, // NOLINT(bugprone-easily-swappable-parameters)
+                    const std::string& url )
+{
+  if ( url == "ricochet://bookmarks" ) {
+    return;
+  }
+  std::ofstream file( get_config_path( "bookmarks.txt" ), std::ios::app );
+  if ( !file.is_open() ) {
+    return;
+  }
+
+  std::string safe_title = title;
+  if ( safe_title.empty() ) {
+    safe_title = url;
+  }
+  for ( char& c : safe_title ) {
+    if ( c == '\n' || c == '\r' || c == '\t' ) {
+      c = ' ';
+    }
+  }
+  file << url << '\t' << safe_title << '\n';
+}
+
+std::string generate_bookmarks_html()
+{
+  std::ifstream file( get_config_path( "bookmarks.txt" ) );
+  std::string html = "<html><head><title>My Bookmarks</title></head><body><h1>Saved Bookmarks</h1><ul>";
+  if ( !file.is_open() ) {
+    html += "<li>No bookmarks found. Press 'b' on any page to add one!</li>";
+  } else {
+    std::string line;
+    while ( std::getline( file, line ) ) {
+      const std::size_t tab_pos = line.find( '\t' );
+      if ( tab_pos != std::string::npos ) {
+        const std::string url = line.substr( 0, tab_pos );
+        const std::string title = line.substr( tab_pos + 1 );
+        html += "<li><a href=\"";
+        html += url;
+        html += "\">[Link] ";
+        html += title;
+        html += "</a></li>";
+      }
+    }
+  }
+  html += "</ul></body></html>";
+  return html;
+}
+
+void append_to_history( const std::string& url, // NOLINT(bugprone-easily-swappable-parameters)
+                        const std::string& title )
+{
+  if ( url.starts_with( "ricochet://" ) ) {
+    return;
+  }
+  std::ofstream file( get_config_path( "history.txt" ), std::ios::app );
+  if ( !file.is_open() ) {
+    return;
+  }
+
+  std::string safe_title = title;
+  if ( safe_title.empty() ) {
+    safe_title = url;
+  }
+  for ( char& c : safe_title ) {
+    if ( c == '\n' || c == '\r' || c == '\t' ) {
+      c = ' ';
+    }
+  }
+  file << url << '\t' << safe_title << '\n';
+}
+
+std::string generate_history_html()
+{
+  std::ifstream file( get_config_path( "history.txt" ) );
+  std::string html = "<html><head><title>History</title></head><body><h1>Browsing History</h1><ul>";
+  if ( !file.is_open() ) {
+    html += "<li>No history found. Start browsing!</li>";
+  } else {
+    std::vector<std::string> lines;
+    std::string line;
+    while ( std::getline( file, line ) ) {
+      lines.push_back( std::move( line ) );
+    }
+
+    std::size_t count = 0;
+    for ( auto it = lines.rbegin(); it != lines.rend() && count < 100; ++it, ++count ) {
+      const std::size_t tab_pos = it->find( '\t' );
+      if ( tab_pos != std::string::npos ) {
+        const std::string url = it->substr( 0, tab_pos );
+        const std::string title = it->substr( tab_pos + 1 );
+        html += "<li><a href=\"";
+        html += url;
+        html += "\">[Link] ";
+        html += title;
+        html += "</a></li>";
+      }
+    }
+  }
+  html += "</ul></body></html>";
+  return html;
+}
+
+std::string generate_help_html()
+{
+  return R"(<html>
+  <head><title>Ricochet Help Manual</title></head>
+  <body>
+    <h1>Ricochet User Manual</h1>
+    <h2>1. Navigation & Browsing</h2>
+    <ul>
+      <li><b>j / k</b> : Scroll down / up</li>
+      <li><b>H / L</b> : History backward / forward</li>
+      <li><b>/</b> : Open prompt to enter a new URL</li>
+    </ul>
+    <h2>2. Page Interaction</h2>
+    <ul>
+      <li><b>f</b> : Toggle Link Hints (type the two letters to follow a link instantly)</li>
+      <li><b>n</b> : Find in page (search for text)</li>
+      <li><b>N</b> : Jump to the next search match</li>
+      <li><b>i</b> : Enter form input mode (fill textboxes, click buttons, toggle checkboxes)</li>
+    </ul>
+    <h2>3. Bookmarks & History</h2>
+    <ul>
+      <li><b>b</b> : Bookmark the current page</li>
+      <li><b>B</b> : View all saved bookmarks</li>
+      <li><b>h</b> : View browsing history</li>
+    </ul>
+    <h2>4. System</h2>
+    <ul>
+      <li><b>?</b> : Show this help manual</li>
+      <li><b>q</b> : Quit Ricochet</li>
+    </ul>
+  </body>
+  </html>)";
+}
+
+} // namespace ricochet::core
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